diff --git a/.editorconfig b/.editorconfig
index 32193b8..6c8b717 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -4,3 +4,10 @@ root = true
 [*.cs]
 dotnet_diagnostic.SA1600.severity = error
 dotnet_diagnostic.SA1601.severity = error
+dotnet_diagnostic.SA1615.severity = error
+dotnet_diagnostic.SA1629.severity = none
+dotnet_diagnostic.SA1202.severity = none
+dotnet_diagnostic.SA1200.severity = none
+dotnet_diagnostic.SA1623.severity = none
+dotnet_diagnostic.SA1111.severity = none
+dotnet_diagnostic.SA1101.severity = none
diff --git a/Directory.Build.props b/Directory.Build.props
index f83743e..6f0ab73 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -9,5 +9,8 @@
   <ItemGroup>
     <PackageReference Include="StyleCop.Analyzers" Version="1.2.0-beta.507" PrivateAssets="all" />
   </ItemGroup>
+  <ItemGroup>
+    <AdditionalFiles Include="$(MSBuildThisFileDirectory)stylecop.json" />
+  </ItemGroup>
 </Project>
 
diff --git a/src/Api/TakeoutSaaS.AdminApi/Controllers/AuthController.cs b/src/Api/TakeoutSaaS.AdminApi/Controllers/AuthController.cs
index b38d018..32b4e5a 100644
--- a/src/Api/TakeoutSaaS.AdminApi/Controllers/AuthController.cs
+++ b/src/Api/TakeoutSaaS.AdminApi/Controllers/AuthController.cs
@@ -1,8 +1,4 @@
-using System;
-using System.Threading;
-using System.Threading.Tasks;
 using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using TakeoutSaaS.Application.Identity.Abstractions;
 using TakeoutSaaS.Application.Identity.Contracts;
@@ -26,6 +22,9 @@ public sealed class AuthController(IAdminAuthService authService) : BaseApiContr
     /// <summary>
     /// 登录获取 Token
     /// </summary>
+    /// <param name="request">登录请求。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>包含访问令牌与刷新令牌的响应。</returns>
     [HttpPost("login")]
     [AllowAnonymous]
     [ProducesResponseType(typeof(ApiResponse<TokenResponse>), StatusCodes.Status200OK)]
@@ -38,6 +37,9 @@ public sealed class AuthController(IAdminAuthService authService) : BaseApiContr
     /// <summary>
     /// 刷新 Token
     /// </summary>
+    /// <param name="request">刷新令牌请求。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>新的访问令牌与刷新令牌。</returns>
     [HttpPost("refresh")]
     [AllowAnonymous]
     [ProducesResponseType(typeof(ApiResponse<TokenResponse>), StatusCodes.Status200OK)]
@@ -73,6 +75,8 @@ public sealed class AuthController(IAdminAuthService authService) : BaseApiContr
     /// }
     /// </code>
     /// </remarks>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>当前用户档案信息。</returns>
     [HttpGet("profile")]
     [PermissionAuthorize("identity:profile:read")]
     [ProducesResponseType(typeof(ApiResponse<CurrentUserProfile>), StatusCodes.Status200OK)]
@@ -116,6 +120,9 @@ public sealed class AuthController(IAdminAuthService authService) : BaseApiContr
     /// }
     /// </code>
     /// </remarks>
+    /// <param name="userId">目标用户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>用户权限概览，未找到则返回 404。</returns>
     [HttpGet("permissions/{userId:long}")]
     [PermissionAuthorize("identity:permission:read")]
     [ProducesResponseType(typeof(ApiResponse<UserPermissionDto>), StatusCodes.Status200OK)]
diff --git a/src/Api/TakeoutSaaS.AdminApi/Controllers/DeliveriesController.cs b/src/Api/TakeoutSaaS.AdminApi/Controllers/DeliveriesController.cs
index ae7c092..6f0f953 100644
--- a/src/Api/TakeoutSaaS.AdminApi/Controllers/DeliveriesController.cs
+++ b/src/Api/TakeoutSaaS.AdminApi/Controllers/DeliveriesController.cs
@@ -1,6 +1,5 @@
 using MediatR;
 using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using TakeoutSaaS.Application.App.Deliveries.Commands;
 using TakeoutSaaS.Application.App.Deliveries.Dto;
@@ -24,6 +23,9 @@ public sealed class DeliveriesController(IMediator mediator) : BaseApiController
     /// <summary>
     /// 创建配送单。
     /// </summary>
+    /// <param name="command">创建命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>创建后的配送单。</returns>
     [HttpPost]
     [PermissionAuthorize("delivery:create")]
     [ProducesResponseType(typeof(ApiResponse<DeliveryOrderDto>), StatusCodes.Status200OK)]
@@ -39,6 +41,14 @@ public sealed class DeliveriesController(IMediator mediator) : BaseApiController
     /// <summary>
     /// 查询配送单列表。
     /// </summary>
+    /// <param name="orderId">订单 ID。</param>
+    /// <param name="status">配送状态。</param>
+    /// <param name="page">页码。</param>
+    /// <param name="pageSize">每页大小。</param>
+    /// <param name="sortBy">排序字段。</param>
+    /// <param name="sortDesc">是否倒序。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>配送单分页列表。</returns>
     [HttpGet]
     [PermissionAuthorize("delivery:read")]
     [ProducesResponseType(typeof(ApiResponse<PagedResult<DeliveryOrderDto>>), StatusCodes.Status200OK)]
@@ -69,6 +79,9 @@ public sealed class DeliveriesController(IMediator mediator) : BaseApiController
     /// <summary>
     /// 获取配送单详情。
     /// </summary>
+    /// <param name="deliveryOrderId">配送单 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>配送单详情或未找到。</returns>
     [HttpGet("{deliveryOrderId:long}")]
     [PermissionAuthorize("delivery:read")]
     [ProducesResponseType(typeof(ApiResponse<DeliveryOrderDto>), StatusCodes.Status200OK)]
@@ -87,6 +100,10 @@ public sealed class DeliveriesController(IMediator mediator) : BaseApiController
     /// <summary>
     /// 更新配送单。
     /// </summary>
+    /// <param name="deliveryOrderId">配送单 ID。</param>
+    /// <param name="command">更新命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>更新后的配送单或未找到。</returns>
     [HttpPut("{deliveryOrderId:long}")]
     [PermissionAuthorize("delivery:update")]
     [ProducesResponseType(typeof(ApiResponse<DeliveryOrderDto>), StatusCodes.Status200OK)]
@@ -111,6 +128,9 @@ public sealed class DeliveriesController(IMediator mediator) : BaseApiController
     /// <summary>
     /// 删除配送单。
     /// </summary>
+    /// <param name="deliveryOrderId">配送单 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>删除结果，未找到则返回错误。</returns>
     [HttpDelete("{deliveryOrderId:long}")]
     [PermissionAuthorize("delivery:delete")]
     [ProducesResponseType(typeof(ApiResponse<object>), StatusCodes.Status200OK)]
diff --git a/src/Api/TakeoutSaaS.AdminApi/Controllers/DictionaryController.cs b/src/Api/TakeoutSaaS.AdminApi/Controllers/DictionaryController.cs
index 28e0d61..f2cc347 100644
--- a/src/Api/TakeoutSaaS.AdminApi/Controllers/DictionaryController.cs
+++ b/src/Api/TakeoutSaaS.AdminApi/Controllers/DictionaryController.cs
@@ -21,6 +21,9 @@ public sealed class DictionaryController(IDictionaryAppService dictionaryAppServ
     /// <summary>
     /// 查询字典分组。
     /// </summary>
+    /// <param name="query">分组查询条件。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分组列表。</returns>
     [HttpGet]
     [PermissionAuthorize("dictionary:group:read")]
     [ProducesResponseType(typeof(ApiResponse<IReadOnlyList<DictionaryGroupDto>>), StatusCodes.Status200OK)]
@@ -36,6 +39,9 @@ public sealed class DictionaryController(IDictionaryAppService dictionaryAppServ
     /// <summary>
     /// 创建字典分组。
     /// </summary>
+    /// <param name="request">创建分组请求。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>创建后的分组。</returns>
     [HttpPost]
     [PermissionAuthorize("dictionary:group:create")]
     [ProducesResponseType(typeof(ApiResponse<DictionaryGroupDto>), StatusCodes.Status200OK)]
@@ -51,6 +57,10 @@ public sealed class DictionaryController(IDictionaryAppService dictionaryAppServ
     /// <summary>
     /// 更新字典分组。
     /// </summary>
+    /// <param name="groupId">分组 ID。</param>
+    /// <param name="request">更新请求。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>更新后的分组。</returns>
     [HttpPut("{groupId:long}")]
     [PermissionAuthorize("dictionary:group:update")]
     [ProducesResponseType(typeof(ApiResponse<DictionaryGroupDto>), StatusCodes.Status200OK)]
@@ -66,6 +76,9 @@ public sealed class DictionaryController(IDictionaryAppService dictionaryAppServ
     /// <summary>
     /// 删除字典分组。
     /// </summary>
+    /// <param name="groupId">分组 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>操作结果。</returns>
     [HttpDelete("{groupId:long}")]
     [PermissionAuthorize("dictionary:group:delete")]
     [ProducesResponseType(typeof(ApiResponse<object>), StatusCodes.Status200OK)]
@@ -81,6 +94,10 @@ public sealed class DictionaryController(IDictionaryAppService dictionaryAppServ
     /// <summary>
     /// 创建字典项。
     /// </summary>
+    /// <param name="groupId">分组 ID。</param>
+    /// <param name="request">创建请求。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>创建的字典项。</returns>
     [HttpPost("{groupId:long}/items")]
     [PermissionAuthorize("dictionary:item:create")]
     [ProducesResponseType(typeof(ApiResponse<DictionaryItemDto>), StatusCodes.Status200OK)]
@@ -97,6 +114,10 @@ public sealed class DictionaryController(IDictionaryAppService dictionaryAppServ
     /// <summary>
     /// 更新字典项。
     /// </summary>
+    /// <param name="itemId">字典项 ID。</param>
+    /// <param name="request">更新请求。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>更新后的字典项。</returns>
     [HttpPut("items/{itemId:long}")]
     [PermissionAuthorize("dictionary:item:update")]
     [ProducesResponseType(typeof(ApiResponse<DictionaryItemDto>), StatusCodes.Status200OK)]
@@ -112,6 +133,9 @@ public sealed class DictionaryController(IDictionaryAppService dictionaryAppServ
     /// <summary>
     /// 删除字典项。
     /// </summary>
+    /// <param name="itemId">字典项 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>操作结果。</returns>
     [HttpDelete("items/{itemId:long}")]
     [PermissionAuthorize("dictionary:item:delete")]
     [ProducesResponseType(typeof(ApiResponse<object>), StatusCodes.Status200OK)]
@@ -127,6 +151,9 @@ public sealed class DictionaryController(IDictionaryAppService dictionaryAppServ
     /// <summary>
     /// 批量获取字典项（命中缓存）。
     /// </summary>
+    /// <param name="request">批量查询请求。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分组编码到字典项列表的映射。</returns>
     [HttpPost("batch")]
     [ProducesResponseType(typeof(ApiResponse<IReadOnlyDictionary<string, IReadOnlyList<DictionaryItemDto>>>), StatusCodes.Status200OK)]
     public async Task<ApiResponse<IReadOnlyDictionary<string, IReadOnlyList<DictionaryItemDto>>>> BatchGet([FromBody] DictionaryBatchQueryRequest request, CancellationToken cancellationToken)
diff --git a/src/Api/TakeoutSaaS.AdminApi/Controllers/FilesController.cs b/src/Api/TakeoutSaaS.AdminApi/Controllers/FilesController.cs
index 34091de..a6d77a4 100644
--- a/src/Api/TakeoutSaaS.AdminApi/Controllers/FilesController.cs
+++ b/src/Api/TakeoutSaaS.AdminApi/Controllers/FilesController.cs
@@ -1,6 +1,4 @@
-using System.Linq;
 using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using TakeoutSaaS.Application.Storage.Abstractions;
 using TakeoutSaaS.Application.Storage.Contracts;
diff --git a/src/Api/TakeoutSaaS.AdminApi/Controllers/HealthController.cs b/src/Api/TakeoutSaaS.AdminApi/Controllers/HealthController.cs
index 25edb1b..90dc606 100644
--- a/src/Api/TakeoutSaaS.AdminApi/Controllers/HealthController.cs
+++ b/src/Api/TakeoutSaaS.AdminApi/Controllers/HealthController.cs
@@ -1,6 +1,4 @@
-using System;
 using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using TakeoutSaaS.Shared.Abstractions.Results;
 using TakeoutSaaS.Shared.Web.Api;
diff --git a/src/Api/TakeoutSaaS.AdminApi/Controllers/MerchantCategoriesController.cs b/src/Api/TakeoutSaaS.AdminApi/Controllers/MerchantCategoriesController.cs
index 8a930be..497cc87 100644
--- a/src/Api/TakeoutSaaS.AdminApi/Controllers/MerchantCategoriesController.cs
+++ b/src/Api/TakeoutSaaS.AdminApi/Controllers/MerchantCategoriesController.cs
@@ -1,7 +1,5 @@
-using System.Collections.Generic;
 using MediatR;
 using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using TakeoutSaaS.Application.App.Merchants.Commands;
 using TakeoutSaaS.Application.App.Merchants.Dto;
@@ -24,6 +22,8 @@ public sealed class MerchantCategoriesController(IMediator mediator) : BaseApiCo
     /// <summary>
     /// 列出所有类目。
     /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>类目列表。</returns>
     [HttpGet]
     [PermissionAuthorize("merchant_category:read")]
     [ProducesResponseType(typeof(ApiResponse<IReadOnlyList<MerchantCategoryDto>>), StatusCodes.Status200OK)]
@@ -39,6 +39,9 @@ public sealed class MerchantCategoriesController(IMediator mediator) : BaseApiCo
     /// <summary>
     /// 新增类目。
     /// </summary>
+    /// <param name="command">创建命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>创建的类目。</returns>
     [HttpPost]
     [PermissionAuthorize("merchant_category:create")]
     [ProducesResponseType(typeof(ApiResponse<MerchantCategoryDto>), StatusCodes.Status200OK)]
@@ -54,6 +57,9 @@ public sealed class MerchantCategoriesController(IMediator mediator) : BaseApiCo
     /// <summary>
     /// 删除类目。
     /// </summary>
+    /// <param name="categoryId">类目 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>删除结果，未找到则返回错误。</returns>
     [HttpDelete("{categoryId:long}")]
     [PermissionAuthorize("merchant_category:delete")]
     [ProducesResponseType(typeof(ApiResponse<object>), StatusCodes.Status200OK)]
@@ -72,6 +78,9 @@ public sealed class MerchantCategoriesController(IMediator mediator) : BaseApiCo
     /// <summary>
     /// 批量调整类目排序。
     /// </summary>
+    /// <param name="command">排序命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>执行结果。</returns>
     [HttpPost("reorder")]
     [PermissionAuthorize("merchant_category:update")]
     [ProducesResponseType(typeof(ApiResponse<object>), StatusCodes.Status200OK)]
diff --git a/src/Api/TakeoutSaaS.AdminApi/Controllers/MerchantsController.cs b/src/Api/TakeoutSaaS.AdminApi/Controllers/MerchantsController.cs
index 828d98b..b886c5c 100644
--- a/src/Api/TakeoutSaaS.AdminApi/Controllers/MerchantsController.cs
+++ b/src/Api/TakeoutSaaS.AdminApi/Controllers/MerchantsController.cs
@@ -1,6 +1,5 @@
 using MediatR;
 using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using TakeoutSaaS.Application.App.Merchants.Commands;
 using TakeoutSaaS.Application.App.Merchants.Dto;
@@ -24,6 +23,9 @@ public sealed class MerchantsController(IMediator mediator) : BaseApiController
     /// <summary>
     /// 创建商户。
     /// </summary>
+    /// <param name="command">创建命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>创建后的商户。</returns>
     [HttpPost]
     [PermissionAuthorize("merchant:create")]
     [ProducesResponseType(typeof(ApiResponse<MerchantDto>), StatusCodes.Status200OK)]
@@ -39,6 +41,13 @@ public sealed class MerchantsController(IMediator mediator) : BaseApiController
     /// <summary>
     /// 查询商户列表。
     /// </summary>
+    /// <param name="status">状态筛选。</param>
+    /// <param name="page">页码。</param>
+    /// <param name="pageSize">每页大小。</param>
+    /// <param name="sortBy">排序字段。</param>
+    /// <param name="sortDesc">是否倒序。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>商户分页结果。</returns>
     [HttpGet]
     [PermissionAuthorize("merchant:read")]
     [ProducesResponseType(typeof(ApiResponse<IReadOnlyList<MerchantDto>>), StatusCodes.Status200OK)]
@@ -67,6 +76,10 @@ public sealed class MerchantsController(IMediator mediator) : BaseApiController
     /// <summary>
     /// 更新商户。
     /// </summary>
+    /// <param name="merchantId">商户 ID。</param>
+    /// <param name="command">更新命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>更新后的商户或未找到。</returns>
     [HttpPut("{merchantId:long}")]
     [PermissionAuthorize("merchant:update")]
     [ProducesResponseType(typeof(ApiResponse<MerchantDto>), StatusCodes.Status200OK)]
@@ -91,6 +104,9 @@ public sealed class MerchantsController(IMediator mediator) : BaseApiController
     /// <summary>
     /// 删除商户。
     /// </summary>
+    /// <param name="merchantId">商户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>删除结果。</returns>
     [HttpDelete("{merchantId:long}")]
     [PermissionAuthorize("merchant:delete")]
     [ProducesResponseType(typeof(ApiResponse<object>), StatusCodes.Status200OK)]
@@ -109,6 +125,9 @@ public sealed class MerchantsController(IMediator mediator) : BaseApiController
     /// <summary>
     /// 获取商户概览。
     /// </summary>
+    /// <param name="merchantId">商户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>商户概览或未找到。</returns>
     [HttpGet("{merchantId:long}")]
     [PermissionAuthorize("merchant:read")]
     [ProducesResponseType(typeof(ApiResponse<MerchantDto>), StatusCodes.Status200OK)]
diff --git a/src/Api/TakeoutSaaS.AdminApi/Controllers/OrdersController.cs b/src/Api/TakeoutSaaS.AdminApi/Controllers/OrdersController.cs
index 85f69e4..9a0db09 100644
--- a/src/Api/TakeoutSaaS.AdminApi/Controllers/OrdersController.cs
+++ b/src/Api/TakeoutSaaS.AdminApi/Controllers/OrdersController.cs
@@ -1,6 +1,5 @@
 using MediatR;
 using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using TakeoutSaaS.Application.App.Orders.Commands;
 using TakeoutSaaS.Application.App.Orders.Dto;
diff --git a/src/Api/TakeoutSaaS.AdminApi/Controllers/PaymentsController.cs b/src/Api/TakeoutSaaS.AdminApi/Controllers/PaymentsController.cs
index 83df2fe..ecf4fee 100644
--- a/src/Api/TakeoutSaaS.AdminApi/Controllers/PaymentsController.cs
+++ b/src/Api/TakeoutSaaS.AdminApi/Controllers/PaymentsController.cs
@@ -1,6 +1,5 @@
 using MediatR;
 using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using TakeoutSaaS.Application.App.Payments.Commands;
 using TakeoutSaaS.Application.App.Payments.Dto;
diff --git a/src/Api/TakeoutSaaS.AdminApi/Controllers/PermissionsController.cs b/src/Api/TakeoutSaaS.AdminApi/Controllers/PermissionsController.cs
index c3646b4..5eda408 100644
--- a/src/Api/TakeoutSaaS.AdminApi/Controllers/PermissionsController.cs
+++ b/src/Api/TakeoutSaaS.AdminApi/Controllers/PermissionsController.cs
@@ -1,7 +1,6 @@
 using System.ComponentModel.DataAnnotations;
 using MediatR;
 using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using TakeoutSaaS.Application.Identity.Commands;
 using TakeoutSaaS.Application.Identity.Contracts;
@@ -26,49 +25,48 @@ public sealed class PermissionsController(IMediator mediator) : BaseApiControlle
     /// <remarks>
     /// 示例：GET /api/admin/v1/permissions?keyword=order&amp;page=1&amp;pageSize=20
     /// </remarks>
+    /// <param name="query">查询条件。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>权限的分页结果。</returns>
     [HttpGet]
     [PermissionAuthorize("identity:permission:read")]
     [ProducesResponseType(typeof(ApiResponse<PagedResult<PermissionDto>>), StatusCodes.Status200OK)]
     public async Task<ApiResponse<PagedResult<PermissionDto>>> Search([FromQuery] SearchPermissionsQuery query, CancellationToken cancellationToken)
     {
-        // 1. 查询权限分页
         var result = await mediator.Send(query, cancellationToken);
-
-        // 2. 返回分页数据
         return ApiResponse<PagedResult<PermissionDto>>.Ok(result);
     }
 
     /// <summary>
     /// 创建权限。
     /// </summary>
+    /// <param name="command">创建命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>创建的权限。</returns>
     [HttpPost]
     [PermissionAuthorize("identity:permission:create")]
     [ProducesResponseType(typeof(ApiResponse<PermissionDto>), StatusCodes.Status200OK)]
     public async Task<ApiResponse<PermissionDto>> Create([FromBody, Required] CreatePermissionCommand command, CancellationToken cancellationToken)
     {
-        // 1. 创建权限
         var result = await mediator.Send(command, cancellationToken);
-
-        // 2. 返回创建结果
         return ApiResponse<PermissionDto>.Ok(result);
     }
 
     /// <summary>
     /// 更新权限。
     /// </summary>
+    /// <param name="permissionId">权限 ID。</param>
+    /// <param name="command">更新命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>更新后的权限，未找到时返回 404。</returns>
     [HttpPut("{permissionId:long}")]
     [PermissionAuthorize("identity:permission:update")]
     [ProducesResponseType(typeof(ApiResponse<PermissionDto>), StatusCodes.Status200OK)]
     [ProducesResponseType(typeof(ApiResponse<PermissionDto>), StatusCodes.Status404NotFound)]
     public async Task<ApiResponse<PermissionDto>> Update(long permissionId, [FromBody, Required] UpdatePermissionCommand command, CancellationToken cancellationToken)
     {
-        // 1. 绑定权限标识
         command = command with { PermissionId = permissionId };
-
-        // 2. 执行更新
         var result = await mediator.Send(command, cancellationToken);
-
-        // 3. 返回更新结果或 404
         return result is null
             ? ApiResponse<PermissionDto>.Error(StatusCodes.Status404NotFound, "权限不存在")
             : ApiResponse<PermissionDto>.Ok(result);
@@ -77,15 +75,15 @@ public sealed class PermissionsController(IMediator mediator) : BaseApiControlle
     /// <summary>
     /// 删除权限。
     /// </summary>
+    /// <param name="permissionId">权限 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>删除结果。</returns>
     [HttpDelete("{permissionId:long}")]
     [PermissionAuthorize("identity:permission:delete")]
     [ProducesResponseType(typeof(ApiResponse<bool>), StatusCodes.Status200OK)]
     public async Task<ApiResponse<bool>> Delete(long permissionId, CancellationToken cancellationToken)
     {
-        // 1. 构建删除命令
         var command = new DeletePermissionCommand { PermissionId = permissionId };
-
-        // 2. 执行删除
         var result = await mediator.Send(command, cancellationToken);
         return ApiResponse<bool>.Ok(result);
     }
diff --git a/src/Api/TakeoutSaaS.AdminApi/Controllers/ProductsController.cs b/src/Api/TakeoutSaaS.AdminApi/Controllers/ProductsController.cs
index 5cd7e8e..1bc75f0 100644
--- a/src/Api/TakeoutSaaS.AdminApi/Controllers/ProductsController.cs
+++ b/src/Api/TakeoutSaaS.AdminApi/Controllers/ProductsController.cs
@@ -1,6 +1,5 @@
 using MediatR;
 using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using TakeoutSaaS.Application.App.Products.Commands;
 using TakeoutSaaS.Application.App.Products.Dto;
diff --git a/src/Api/TakeoutSaaS.AdminApi/Controllers/RolesController.cs b/src/Api/TakeoutSaaS.AdminApi/Controllers/RolesController.cs
index 6a46937..d22f627 100644
--- a/src/Api/TakeoutSaaS.AdminApi/Controllers/RolesController.cs
+++ b/src/Api/TakeoutSaaS.AdminApi/Controllers/RolesController.cs
@@ -1,9 +1,7 @@
-using System.Collections.Generic;
-using System.ComponentModel.DataAnnotations;
 using MediatR;
 using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
+using System.ComponentModel.DataAnnotations;
 using TakeoutSaaS.Application.Identity.Commands;
 using TakeoutSaaS.Application.Identity.Contracts;
 using TakeoutSaaS.Application.Identity.Queries;
diff --git a/src/Api/TakeoutSaaS.AdminApi/Controllers/StoresController.cs b/src/Api/TakeoutSaaS.AdminApi/Controllers/StoresController.cs
index 7ae4958..ffcde02 100644
--- a/src/Api/TakeoutSaaS.AdminApi/Controllers/StoresController.cs
+++ b/src/Api/TakeoutSaaS.AdminApi/Controllers/StoresController.cs
@@ -1,6 +1,5 @@
 using MediatR;
 using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using TakeoutSaaS.Application.App.Stores.Commands;
 using TakeoutSaaS.Application.App.Stores.Dto;
diff --git a/src/Api/TakeoutSaaS.AdminApi/Controllers/SystemParametersController.cs b/src/Api/TakeoutSaaS.AdminApi/Controllers/SystemParametersController.cs
index f1f2e8d..7a45183 100644
--- a/src/Api/TakeoutSaaS.AdminApi/Controllers/SystemParametersController.cs
+++ b/src/Api/TakeoutSaaS.AdminApi/Controllers/SystemParametersController.cs
@@ -1,6 +1,5 @@
 using MediatR;
 using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using TakeoutSaaS.Application.App.SystemParameters.Commands;
 using TakeoutSaaS.Application.App.SystemParameters.Dto;
diff --git a/src/Api/TakeoutSaaS.AdminApi/Controllers/TenantAnnouncementsController.cs b/src/Api/TakeoutSaaS.AdminApi/Controllers/TenantAnnouncementsController.cs
index d64b89f..1ba6147 100644
--- a/src/Api/TakeoutSaaS.AdminApi/Controllers/TenantAnnouncementsController.cs
+++ b/src/Api/TakeoutSaaS.AdminApi/Controllers/TenantAnnouncementsController.cs
@@ -1,8 +1,7 @@
-using System.ComponentModel.DataAnnotations;
 using MediatR;
 using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
+using System.ComponentModel.DataAnnotations;
 using TakeoutSaaS.Application.App.Tenants.Commands;
 using TakeoutSaaS.Application.App.Tenants.Dto;
 using TakeoutSaaS.Application.App.Tenants.Queries;
diff --git a/src/Api/TakeoutSaaS.AdminApi/Controllers/TenantBillingsController.cs b/src/Api/TakeoutSaaS.AdminApi/Controllers/TenantBillingsController.cs
index 85ca964..aa306c8 100644
--- a/src/Api/TakeoutSaaS.AdminApi/Controllers/TenantBillingsController.cs
+++ b/src/Api/TakeoutSaaS.AdminApi/Controllers/TenantBillingsController.cs
@@ -1,8 +1,7 @@
-using System.ComponentModel.DataAnnotations;
 using MediatR;
 using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
+using System.ComponentModel.DataAnnotations;
 using TakeoutSaaS.Application.App.Tenants.Commands;
 using TakeoutSaaS.Application.App.Tenants.Dto;
 using TakeoutSaaS.Application.App.Tenants.Queries;
diff --git a/src/Api/TakeoutSaaS.AdminApi/Controllers/TenantNotificationsController.cs b/src/Api/TakeoutSaaS.AdminApi/Controllers/TenantNotificationsController.cs
index dd79892..aa11643 100644
--- a/src/Api/TakeoutSaaS.AdminApi/Controllers/TenantNotificationsController.cs
+++ b/src/Api/TakeoutSaaS.AdminApi/Controllers/TenantNotificationsController.cs
@@ -1,6 +1,5 @@
 using MediatR;
 using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using TakeoutSaaS.Application.App.Tenants.Commands;
 using TakeoutSaaS.Application.App.Tenants.Dto;
diff --git a/src/Api/TakeoutSaaS.AdminApi/Controllers/TenantPackagesController.cs b/src/Api/TakeoutSaaS.AdminApi/Controllers/TenantPackagesController.cs
index 3504bd9..455c095 100644
--- a/src/Api/TakeoutSaaS.AdminApi/Controllers/TenantPackagesController.cs
+++ b/src/Api/TakeoutSaaS.AdminApi/Controllers/TenantPackagesController.cs
@@ -1,8 +1,7 @@
-using System.ComponentModel.DataAnnotations;
 using MediatR;
 using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
+using System.ComponentModel.DataAnnotations;
 using TakeoutSaaS.Application.App.Tenants.Commands;
 using TakeoutSaaS.Application.App.Tenants.Dto;
 using TakeoutSaaS.Application.App.Tenants.Queries;
@@ -23,6 +22,9 @@ public sealed class TenantPackagesController(IMediator mediator) : BaseApiContro
     /// <summary>
     /// 分页查询租户套餐。
     /// </summary>
+    /// <param name="query">查询条件。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>租户套餐分页结果。</returns>
     [HttpGet]
     [PermissionAuthorize("tenant-package:read")]
     [ProducesResponseType(typeof(ApiResponse<PagedResult<TenantPackageDto>>), StatusCodes.Status200OK)]
@@ -38,6 +40,9 @@ public sealed class TenantPackagesController(IMediator mediator) : BaseApiContro
     /// <summary>
     /// 查看套餐详情。
     /// </summary>
+    /// <param name="tenantPackageId">套餐 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>套餐详情或未找到。</returns>
     [HttpGet("{tenantPackageId:long}")]
     [PermissionAuthorize("tenant-package:read")]
     [ProducesResponseType(typeof(ApiResponse<TenantPackageDto>), StatusCodes.Status200OK)]
@@ -56,6 +61,9 @@ public sealed class TenantPackagesController(IMediator mediator) : BaseApiContro
     /// <summary>
     /// 创建套餐。
     /// </summary>
+    /// <param name="command">创建命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>创建后的套餐。</returns>
     [HttpPost]
     [PermissionAuthorize("tenant-package:create")]
     [ProducesResponseType(typeof(ApiResponse<TenantPackageDto>), StatusCodes.Status200OK)]
@@ -71,6 +79,10 @@ public sealed class TenantPackagesController(IMediator mediator) : BaseApiContro
     /// <summary>
     /// 更新套餐。
     /// </summary>
+    /// <param name="tenantPackageId">套餐 ID。</param>
+    /// <param name="command">更新命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>更新后的套餐或未找到。</returns>
     [HttpPut("{tenantPackageId:long}")]
     [PermissionAuthorize("tenant-package:update")]
     [ProducesResponseType(typeof(ApiResponse<TenantPackageDto>), StatusCodes.Status200OK)]
@@ -92,6 +104,9 @@ public sealed class TenantPackagesController(IMediator mediator) : BaseApiContro
     /// <summary>
     /// 删除套餐。
     /// </summary>
+    /// <param name="tenantPackageId">套餐 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>删除结果。</returns>
     [HttpDelete("{tenantPackageId:long}")]
     [PermissionAuthorize("tenant-package:delete")]
     [ProducesResponseType(typeof(ApiResponse<bool>), StatusCodes.Status200OK)]
diff --git a/src/Api/TakeoutSaaS.AdminApi/Controllers/TenantsController.cs b/src/Api/TakeoutSaaS.AdminApi/Controllers/TenantsController.cs
index 0d91ee2..585ab2c 100644
--- a/src/Api/TakeoutSaaS.AdminApi/Controllers/TenantsController.cs
+++ b/src/Api/TakeoutSaaS.AdminApi/Controllers/TenantsController.cs
@@ -1,13 +1,11 @@
-using System.ComponentModel.DataAnnotations;
 using MediatR;
 using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
+using System.ComponentModel.DataAnnotations;
 using TakeoutSaaS.Application.App.Tenants.Commands;
 using TakeoutSaaS.Application.App.Tenants.Dto;
 using TakeoutSaaS.Application.App.Tenants.Queries;
 using TakeoutSaaS.Module.Authorization.Attributes;
-using TakeoutSaaS.Shared.Abstractions.Constants;
 using TakeoutSaaS.Shared.Abstractions.Results;
 using TakeoutSaaS.Shared.Web.Api;
 
diff --git a/src/Api/TakeoutSaaS.AdminApi/Controllers/UserPermissionsController.cs b/src/Api/TakeoutSaaS.AdminApi/Controllers/UserPermissionsController.cs
index f2f54e2..c6a4a04 100644
--- a/src/Api/TakeoutSaaS.AdminApi/Controllers/UserPermissionsController.cs
+++ b/src/Api/TakeoutSaaS.AdminApi/Controllers/UserPermissionsController.cs
@@ -1,5 +1,4 @@
 using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using TakeoutSaaS.Application.Identity.Abstractions;
 using TakeoutSaaS.Application.Identity.Contracts;
@@ -51,6 +50,9 @@ public sealed class UserPermissionsController(IAdminAuthService authService) : B
     /// }
     /// </code>
     /// </remarks>
+    /// <param name="query">搜索条件。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分页的用户权限概览。</returns>
     [HttpGet]
     [PermissionAuthorize("identity:permission:read")]
     [ProducesResponseType(typeof(ApiResponse<PagedResult<UserPermissionDto>>), StatusCodes.Status200OK)]
diff --git a/src/Api/TakeoutSaaS.AdminApi/Program.cs b/src/Api/TakeoutSaaS.AdminApi/Program.cs
index 432bd87..3b0c4b6 100644
--- a/src/Api/TakeoutSaaS.AdminApi/Program.cs
+++ b/src/Api/TakeoutSaaS.AdminApi/Program.cs
@@ -1,10 +1,4 @@
-using System;
-using System.Linq;
-using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Cors.Infrastructure;
-using Microsoft.Extensions.Configuration;
-using Microsoft.Extensions.DependencyInjection;
-using Microsoft.Extensions.Hosting;
 using OpenTelemetry.Metrics;
 using OpenTelemetry.Resources;
 using OpenTelemetry.Trace;
@@ -101,6 +95,7 @@ builder.Services.AddOpenTelemetry()
                 exporter.Endpoint = new Uri(otelEndpoint);
             });
         }
+
         if (useConsoleExporter)
         {
             tracing.AddConsoleExporter();
@@ -120,6 +115,7 @@ builder.Services.AddOpenTelemetry()
                 exporter.Endpoint = new Uri(otelEndpoint);
             });
         }
+
         if (useConsoleExporter)
         {
             metrics.AddConsoleExporter();
@@ -172,6 +168,7 @@ static void ConfigureCorsPolicy(CorsPolicyBuilder policy, string[] origins)
         policy.WithOrigins(origins)
             .AllowCredentials();
     }
+
     policy
         .AllowAnyHeader()
         .AllowAnyMethod();
diff --git a/src/Api/TakeoutSaaS.MiniApi/Controllers/AuthController.cs b/src/Api/TakeoutSaaS.MiniApi/Controllers/AuthController.cs
index 5062afd..11e7d10 100644
--- a/src/Api/TakeoutSaaS.MiniApi/Controllers/AuthController.cs
+++ b/src/Api/TakeoutSaaS.MiniApi/Controllers/AuthController.cs
@@ -20,6 +20,9 @@ public sealed class AuthController(IMiniAuthService authService) : BaseApiContro
     /// <summary>
     /// 微信登录
     /// </summary>
+    /// <param name="request">微信登录请求。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>包含访问令牌与刷新令牌的响应。</returns>
     [HttpPost("wechat/login")]
     [AllowAnonymous]
     [ProducesResponseType(typeof(ApiResponse<TokenResponse>), StatusCodes.Status200OK)]
@@ -35,6 +38,9 @@ public sealed class AuthController(IMiniAuthService authService) : BaseApiContro
     /// <summary>
     /// 刷新 Token
     /// </summary>
+    /// <param name="request">刷新令牌请求。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>新的访问令牌与刷新令牌。</returns>
     [HttpPost("refresh")]
     [AllowAnonymous]
     [ProducesResponseType(typeof(ApiResponse<TokenResponse>), StatusCodes.Status200OK)]
diff --git a/src/Api/TakeoutSaaS.MiniApi/Controllers/FilesController.cs b/src/Api/TakeoutSaaS.MiniApi/Controllers/FilesController.cs
index 67d5961..0d651fb 100644
--- a/src/Api/TakeoutSaaS.MiniApi/Controllers/FilesController.cs
+++ b/src/Api/TakeoutSaaS.MiniApi/Controllers/FilesController.cs
@@ -1,6 +1,4 @@
-using System.Linq;
 using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using TakeoutSaaS.Application.Storage.Abstractions;
 using TakeoutSaaS.Application.Storage.Contracts;
@@ -22,6 +20,10 @@ public sealed class FilesController(IFileStorageService fileStorageService) : Ba
     /// <summary>
     /// 上传图片或文件。
     /// </summary>
+    /// <param name="file">上传文件。</param>
+    /// <param name="type">上传类型。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>上传结果，包含访问链接等信息。</returns>
     [HttpPost("upload")]
     [RequestFormLimits(MultipartBodyLengthLimit = 30 * 1024 * 1024)]
     [ProducesResponseType(typeof(ApiResponse<FileUploadResponse>), StatusCodes.Status200OK)]
diff --git a/src/Api/TakeoutSaaS.MiniApi/Controllers/HealthController.cs b/src/Api/TakeoutSaaS.MiniApi/Controllers/HealthController.cs
index d4e9920..e19775c 100644
--- a/src/Api/TakeoutSaaS.MiniApi/Controllers/HealthController.cs
+++ b/src/Api/TakeoutSaaS.MiniApi/Controllers/HealthController.cs
@@ -1,6 +1,4 @@
-using System;
 using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using TakeoutSaaS.Shared.Abstractions.Results;
 using TakeoutSaaS.Shared.Web.Api;
diff --git a/src/Api/TakeoutSaaS.MiniApi/Controllers/MeController.cs b/src/Api/TakeoutSaaS.MiniApi/Controllers/MeController.cs
index 4c29f25..7411644 100644
--- a/src/Api/TakeoutSaaS.MiniApi/Controllers/MeController.cs
+++ b/src/Api/TakeoutSaaS.MiniApi/Controllers/MeController.cs
@@ -1,8 +1,4 @@
-using System;
-using System.Threading;
-using System.Threading.Tasks;
 using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using TakeoutSaaS.Application.Identity.Abstractions;
 using TakeoutSaaS.Application.Identity.Contracts;
@@ -26,6 +22,8 @@ public sealed class MeController(IMiniAuthService authService) : BaseApiControll
     /// <summary>
     /// 获取用户档案
     /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>当前用户档案信息。</returns>
     [HttpGet]
     [ProducesResponseType(typeof(ApiResponse<CurrentUserProfile>), StatusCodes.Status200OK)]
     [ProducesResponseType(typeof(ApiResponse<CurrentUserProfile>), StatusCodes.Status401Unauthorized)]
diff --git a/src/Api/TakeoutSaaS.MiniApi/Program.cs b/src/Api/TakeoutSaaS.MiniApi/Program.cs
index d4df34c..8369004 100644
--- a/src/Api/TakeoutSaaS.MiniApi/Program.cs
+++ b/src/Api/TakeoutSaaS.MiniApi/Program.cs
@@ -1,7 +1,4 @@
-using System;
-using System.Linq;
 using Microsoft.AspNetCore.Cors.Infrastructure;
-using Microsoft.Extensions.Configuration;
 using OpenTelemetry.Metrics;
 using OpenTelemetry.Resources;
 using OpenTelemetry.Trace;
diff --git a/src/Api/TakeoutSaaS.UserApi/Controllers/HealthController.cs b/src/Api/TakeoutSaaS.UserApi/Controllers/HealthController.cs
index 0056def..08fe92b 100644
--- a/src/Api/TakeoutSaaS.UserApi/Controllers/HealthController.cs
+++ b/src/Api/TakeoutSaaS.UserApi/Controllers/HealthController.cs
@@ -1,6 +1,4 @@
-using System;
 using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using TakeoutSaaS.Shared.Abstractions.Results;
 using TakeoutSaaS.Shared.Web.Api;
diff --git a/src/Api/TakeoutSaaS.UserApi/Program.cs b/src/Api/TakeoutSaaS.UserApi/Program.cs
index a531e11..d59e501 100644
--- a/src/Api/TakeoutSaaS.UserApi/Program.cs
+++ b/src/Api/TakeoutSaaS.UserApi/Program.cs
@@ -1,7 +1,4 @@
-using System;
-using System.Linq;
 using Microsoft.AspNetCore.Cors.Infrastructure;
-using Microsoft.Extensions.Configuration;
 using OpenTelemetry.Metrics;
 using OpenTelemetry.Resources;
 using OpenTelemetry.Trace;
diff --git a/src/Application/TakeoutSaaS.Application/App/Extensions/AppApplicationServiceCollectionExtensions.cs b/src/Application/TakeoutSaaS.Application/App/Extensions/AppApplicationServiceCollectionExtensions.cs
index 62284b1..c4af1ce 100644
--- a/src/Application/TakeoutSaaS.Application/App/Extensions/AppApplicationServiceCollectionExtensions.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Extensions/AppApplicationServiceCollectionExtensions.cs
@@ -1,7 +1,7 @@
-using System.Reflection;
 using FluentValidation;
 using MediatR;
 using Microsoft.Extensions.DependencyInjection;
+using System.Reflection;
 using TakeoutSaaS.Application.App.Common.Behaviors;
 
 namespace TakeoutSaaS.Application.App.Extensions;
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/AddMerchantDocumentCommand.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/AddMerchantDocumentCommand.cs
index cf0d4a3..bc40f63 100644
--- a/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/AddMerchantDocumentCommand.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/AddMerchantDocumentCommand.cs
@@ -1,6 +1,5 @@
-using System;
-using System.ComponentModel.DataAnnotations;
 using MediatR;
+using System.ComponentModel.DataAnnotations;
 using TakeoutSaaS.Application.App.Merchants.Dto;
 using TakeoutSaaS.Domain.Merchants.Enums;
 
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/CreateMerchantCategoryCommand.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/CreateMerchantCategoryCommand.cs
index 115d4ba..fe01142 100644
--- a/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/CreateMerchantCategoryCommand.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/CreateMerchantCategoryCommand.cs
@@ -1,5 +1,5 @@
-using System.ComponentModel.DataAnnotations;
 using MediatR;
+using System.ComponentModel.DataAnnotations;
 using TakeoutSaaS.Application.App.Merchants.Dto;
 
 namespace TakeoutSaaS.Application.App.Merchants.Commands;
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/CreateMerchantContractCommand.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/CreateMerchantContractCommand.cs
index 176cf98..957ba01 100644
--- a/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/CreateMerchantContractCommand.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/CreateMerchantContractCommand.cs
@@ -1,6 +1,5 @@
-using System;
-using System.ComponentModel.DataAnnotations;
 using MediatR;
+using System.ComponentModel.DataAnnotations;
 using TakeoutSaaS.Application.App.Merchants.Dto;
 
 namespace TakeoutSaaS.Application.App.Merchants.Commands;
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/DeleteMerchantCategoryCommand.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/DeleteMerchantCategoryCommand.cs
index ffa0326..98cfd21 100644
--- a/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/DeleteMerchantCategoryCommand.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/DeleteMerchantCategoryCommand.cs
@@ -1,5 +1,5 @@
-using System.ComponentModel.DataAnnotations;
 using MediatR;
+using System.ComponentModel.DataAnnotations;
 
 namespace TakeoutSaaS.Application.App.Merchants.Commands;
 
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/ReorderMerchantCategoriesCommand.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/ReorderMerchantCategoriesCommand.cs
index 79bd657..542e6aa 100644
--- a/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/ReorderMerchantCategoriesCommand.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/ReorderMerchantCategoriesCommand.cs
@@ -1,6 +1,5 @@
-using System.Collections.Generic;
-using System.ComponentModel.DataAnnotations;
 using MediatR;
+using System.ComponentModel.DataAnnotations;
 
 namespace TakeoutSaaS.Application.App.Merchants.Commands;
 
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/ReviewMerchantCommand.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/ReviewMerchantCommand.cs
index 792cddc..362e20b 100644
--- a/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/ReviewMerchantCommand.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/ReviewMerchantCommand.cs
@@ -1,5 +1,5 @@
-using System.ComponentModel.DataAnnotations;
 using MediatR;
+using System.ComponentModel.DataAnnotations;
 using TakeoutSaaS.Application.App.Merchants.Dto;
 
 namespace TakeoutSaaS.Application.App.Merchants.Commands;
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/ReviewMerchantDocumentCommand.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/ReviewMerchantDocumentCommand.cs
index 23d6e2a..0e01c26 100644
--- a/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/ReviewMerchantDocumentCommand.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/ReviewMerchantDocumentCommand.cs
@@ -1,5 +1,5 @@
-using System.ComponentModel.DataAnnotations;
 using MediatR;
+using System.ComponentModel.DataAnnotations;
 using TakeoutSaaS.Application.App.Merchants.Dto;
 
 namespace TakeoutSaaS.Application.App.Merchants.Commands;
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/UpdateMerchantContractStatusCommand.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/UpdateMerchantContractStatusCommand.cs
index 3514b58..f89f9bf 100644
--- a/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/UpdateMerchantContractStatusCommand.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Commands/UpdateMerchantContractStatusCommand.cs
@@ -1,6 +1,5 @@
-using System;
-using System.ComponentModel.DataAnnotations;
 using MediatR;
+using System.ComponentModel.DataAnnotations;
 using TakeoutSaaS.Application.App.Merchants.Dto;
 using TakeoutSaaS.Domain.Merchants.Enums;
 
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Dto/MerchantCategoryDto.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Dto/MerchantCategoryDto.cs
index 0d8636b..c8741ca 100644
--- a/src/Application/TakeoutSaaS.Application/App/Merchants/Dto/MerchantCategoryDto.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Dto/MerchantCategoryDto.cs
@@ -1,5 +1,3 @@
-using System;
-
 namespace TakeoutSaaS.Application.App.Merchants.Dto;
 
 /// <summary>
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Dto/MerchantDetailDto.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Dto/MerchantDetailDto.cs
index 4c8dedb..2fa8b95 100644
--- a/src/Application/TakeoutSaaS.Application/App/Merchants/Dto/MerchantDetailDto.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Dto/MerchantDetailDto.cs
@@ -1,5 +1,3 @@
-using System.Collections.Generic;
-
 namespace TakeoutSaaS.Application.App.Merchants.Dto;
 
 /// <summary>
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/CreateMerchantCategoryCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/CreateMerchantCategoryCommandHandler.cs
index c94e995..645189c 100644
--- a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/CreateMerchantCategoryCommandHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/CreateMerchantCategoryCommandHandler.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using MediatR;
 using TakeoutSaaS.Application.App.Merchants.Commands;
 using TakeoutSaaS.Application.App.Merchants.Dto;
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantAuditLogsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantAuditLogsQueryHandler.cs
index cfb010d..2fd67e5 100644
--- a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantAuditLogsQueryHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantAuditLogsQueryHandler.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using MediatR;
 using TakeoutSaaS.Application.App.Merchants.Dto;
 using TakeoutSaaS.Application.App.Merchants.Queries;
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantCategoriesQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantCategoriesQueryHandler.cs
index 19c9b2f..4ffc992 100644
--- a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantCategoriesQueryHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantCategoriesQueryHandler.cs
@@ -1,5 +1,3 @@
-using System.Collections.Generic;
-using System.Linq;
 using MediatR;
 using TakeoutSaaS.Application.App.Merchants.Queries;
 using TakeoutSaaS.Domain.Merchants.Repositories;
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantContractsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantContractsQueryHandler.cs
index 46842e1..8ce236b 100644
--- a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantContractsQueryHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantContractsQueryHandler.cs
@@ -1,4 +1,3 @@
-using System.Collections.Generic;
 using MediatR;
 using TakeoutSaaS.Application.App.Merchants.Dto;
 using TakeoutSaaS.Application.App.Merchants.Queries;
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantDocumentsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantDocumentsQueryHandler.cs
index 3be839c..c93f19c 100644
--- a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantDocumentsQueryHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/GetMerchantDocumentsQueryHandler.cs
@@ -1,4 +1,3 @@
-using System.Collections.Generic;
 using MediatR;
 using TakeoutSaaS.Application.App.Merchants.Dto;
 using TakeoutSaaS.Application.App.Merchants.Queries;
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/ListMerchantCategoriesQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/ListMerchantCategoriesQueryHandler.cs
index 7da5375..c0ba13b 100644
--- a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/ListMerchantCategoriesQueryHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/ListMerchantCategoriesQueryHandler.cs
@@ -1,4 +1,3 @@
-using System.Collections.Generic;
 using MediatR;
 using TakeoutSaaS.Application.App.Merchants.Dto;
 using TakeoutSaaS.Application.App.Merchants.Queries;
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/ReorderMerchantCategoriesCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/ReorderMerchantCategoriesCommandHandler.cs
index e06ea65..cb71205 100644
--- a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/ReorderMerchantCategoriesCommandHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/ReorderMerchantCategoriesCommandHandler.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using MediatR;
 using TakeoutSaaS.Application.App.Merchants.Commands;
 using TakeoutSaaS.Domain.Merchants.Repositories;
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/ReviewMerchantDocumentCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/ReviewMerchantDocumentCommandHandler.cs
index a8fe365..7260afb 100644
--- a/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/ReviewMerchantDocumentCommandHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Handlers/ReviewMerchantDocumentCommandHandler.cs
@@ -1,8 +1,8 @@
 using MediatR;
 using TakeoutSaaS.Application.App.Merchants.Commands;
 using TakeoutSaaS.Application.App.Merchants.Dto;
-using TakeoutSaaS.Domain.Merchants.Enums;
 using TakeoutSaaS.Domain.Merchants.Entities;
+using TakeoutSaaS.Domain.Merchants.Enums;
 using TakeoutSaaS.Domain.Merchants.Repositories;
 using TakeoutSaaS.Shared.Abstractions.Constants;
 using TakeoutSaaS.Shared.Abstractions.Exceptions;
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/MerchantMapping.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/MerchantMapping.cs
index 8c61873..4b52d54 100644
--- a/src/Application/TakeoutSaaS.Application/App/Merchants/MerchantMapping.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/MerchantMapping.cs
@@ -1,5 +1,3 @@
-using System.Collections.Generic;
-using System.Linq;
 using TakeoutSaaS.Application.App.Merchants.Dto;
 using TakeoutSaaS.Domain.Merchants.Entities;
 
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantCategoriesQuery.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantCategoriesQuery.cs
index c55fd86..558bcc6 100644
--- a/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantCategoriesQuery.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantCategoriesQuery.cs
@@ -1,4 +1,3 @@
-using System.Collections.Generic;
 using MediatR;
 
 namespace TakeoutSaaS.Application.App.Merchants.Queries;
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantContractsQuery.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantContractsQuery.cs
index 8940465..bdf17d6 100644
--- a/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantContractsQuery.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantContractsQuery.cs
@@ -1,4 +1,3 @@
-using System.Collections.Generic;
 using MediatR;
 using TakeoutSaaS.Application.App.Merchants.Dto;
 
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantDocumentsQuery.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantDocumentsQuery.cs
index 997f02a..f3dd1bf 100644
--- a/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantDocumentsQuery.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/GetMerchantDocumentsQuery.cs
@@ -1,4 +1,3 @@
-using System.Collections.Generic;
 using MediatR;
 using TakeoutSaaS.Application.App.Merchants.Dto;
 
diff --git a/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/ListMerchantCategoriesQuery.cs b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/ListMerchantCategoriesQuery.cs
index 4e4ef4a..5fa29e9 100644
--- a/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/ListMerchantCategoriesQuery.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Merchants/Queries/ListMerchantCategoriesQuery.cs
@@ -1,4 +1,3 @@
-using System.Collections.Generic;
 using MediatR;
 using TakeoutSaaS.Application.App.Merchants.Dto;
 
diff --git a/src/Application/TakeoutSaaS.Application/App/Orders/Handlers/CreateOrderCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Orders/Handlers/CreateOrderCommandHandler.cs
index 8d38f2c..9b3cc0f 100644
--- a/src/Application/TakeoutSaaS.Application/App/Orders/Handlers/CreateOrderCommandHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Orders/Handlers/CreateOrderCommandHandler.cs
@@ -78,6 +78,7 @@ public sealed class CreateOrderCommandHandler(
         {
             await orderRepository.AddItemsAsync(items, cancellationToken);
         }
+
         await orderRepository.SaveChangesAsync(cancellationToken);
 
         // 5. 记录日志
diff --git a/src/Application/TakeoutSaaS.Application/App/Payments/Handlers/SearchPaymentsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Payments/Handlers/SearchPaymentsQueryHandler.cs
index 9d6c4ae..a265022 100644
--- a/src/Application/TakeoutSaaS.Application/App/Payments/Handlers/SearchPaymentsQueryHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Payments/Handlers/SearchPaymentsQueryHandler.cs
@@ -1,7 +1,6 @@
 using MediatR;
 using TakeoutSaaS.Application.App.Payments.Dto;
 using TakeoutSaaS.Application.App.Payments.Queries;
-using TakeoutSaaS.Domain.Payments.Entities;
 using TakeoutSaaS.Domain.Payments.Repositories;
 using TakeoutSaaS.Shared.Abstractions.Results;
 using TakeoutSaaS.Shared.Abstractions.Tenancy;
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/CheckTenantQuotaCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/CheckTenantQuotaCommandHandler.cs
index 5fc67aa..169ddbb 100644
--- a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/CheckTenantQuotaCommandHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/CheckTenantQuotaCommandHandler.cs
@@ -1,4 +1,3 @@
-using System;
 using MediatR;
 using TakeoutSaaS.Application.App.Tenants.Commands;
 using TakeoutSaaS.Application.App.Tenants.Dto;
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/GetTenantAuditLogsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/GetTenantAuditLogsQueryHandler.cs
index 41d308f..76aafb6 100644
--- a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/GetTenantAuditLogsQueryHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/GetTenantAuditLogsQueryHandler.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using MediatR;
 using TakeoutSaaS.Application.App.Tenants.Dto;
 using TakeoutSaaS.Application.App.Tenants.Queries;
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/MarkTenantAnnouncementReadCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/MarkTenantAnnouncementReadCommandHandler.cs
index 8c0a06b..1600ecf 100644
--- a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/MarkTenantAnnouncementReadCommandHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/MarkTenantAnnouncementReadCommandHandler.cs
@@ -3,8 +3,6 @@ using TakeoutSaaS.Application.App.Tenants.Commands;
 using TakeoutSaaS.Application.App.Tenants.Dto;
 using TakeoutSaaS.Domain.Tenants.Entities;
 using TakeoutSaaS.Domain.Tenants.Repositories;
-using TakeoutSaaS.Shared.Abstractions.Constants;
-using TakeoutSaaS.Shared.Abstractions.Exceptions;
 using TakeoutSaaS.Shared.Abstractions.Security;
 
 namespace TakeoutSaaS.Application.App.Tenants.Handlers;
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SearchTenantAnnouncementsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SearchTenantAnnouncementsQueryHandler.cs
index be2b952..2c15546 100644
--- a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SearchTenantAnnouncementsQueryHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SearchTenantAnnouncementsQueryHandler.cs
@@ -1,5 +1,3 @@
-using System.Collections.Generic;
-using System.Linq;
 using MediatR;
 using TakeoutSaaS.Application.App.Tenants.Dto;
 using TakeoutSaaS.Application.App.Tenants.Queries;
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SearchTenantBillsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SearchTenantBillsQueryHandler.cs
index 05b11cb..66821fc 100644
--- a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SearchTenantBillsQueryHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SearchTenantBillsQueryHandler.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using MediatR;
 using TakeoutSaaS.Application.App.Tenants.Dto;
 using TakeoutSaaS.Application.App.Tenants.Queries;
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SearchTenantNotificationsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SearchTenantNotificationsQueryHandler.cs
index bab5aca..294a639 100644
--- a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SearchTenantNotificationsQueryHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SearchTenantNotificationsQueryHandler.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using MediatR;
 using TakeoutSaaS.Application.App.Tenants.Dto;
 using TakeoutSaaS.Application.App.Tenants.Queries;
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SearchTenantPackagesQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SearchTenantPackagesQueryHandler.cs
index 12a2318..21c3ba7 100644
--- a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SearchTenantPackagesQueryHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SearchTenantPackagesQueryHandler.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using MediatR;
 using TakeoutSaaS.Application.App.Tenants.Dto;
 using TakeoutSaaS.Application.App.Tenants.Queries;
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SearchTenantsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SearchTenantsQueryHandler.cs
index 2813e31..755b911 100644
--- a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SearchTenantsQueryHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/SearchTenantsQueryHandler.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using MediatR;
 using TakeoutSaaS.Application.App.Tenants.Dto;
 using TakeoutSaaS.Application.App.Tenants.Queries;
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Abstractions/IDictionaryCache.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Abstractions/IDictionaryCache.cs
index ebdc59f..f9ea54b 100644
--- a/src/Application/TakeoutSaaS.Application/Dictionary/Abstractions/IDictionaryCache.cs
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Abstractions/IDictionaryCache.cs
@@ -1,6 +1,3 @@
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Application.Dictionary.Models;
 
 namespace TakeoutSaaS.Application.Dictionary.Abstractions;
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/CreateDictionaryItemRequest.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/CreateDictionaryItemRequest.cs
index 668d369..b19ccce 100644
--- a/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/CreateDictionaryItemRequest.cs
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Contracts/CreateDictionaryItemRequest.cs
@@ -1,6 +1,6 @@
+using System.ComponentModel.DataAnnotations;
 using System.Text.Json.Serialization;
 using TakeoutSaaS.Shared.Abstractions.Serialization;
-using System.ComponentModel.DataAnnotations;
 
 namespace TakeoutSaaS.Application.Dictionary.Contracts;
 
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Models/DictionaryGroupDto.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Models/DictionaryGroupDto.cs
index 95a81f0..cdee6bf 100644
--- a/src/Application/TakeoutSaaS.Application/Dictionary/Models/DictionaryGroupDto.cs
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Models/DictionaryGroupDto.cs
@@ -1,6 +1,5 @@
-using TakeoutSaaS.Domain.Dictionary.Enums;
-
 using System.Text.Json.Serialization;
+using TakeoutSaaS.Domain.Dictionary.Enums;
 using TakeoutSaaS.Shared.Abstractions.Serialization;
 
 namespace TakeoutSaaS.Application.Dictionary.Models;
diff --git a/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryAppService.cs b/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryAppService.cs
index 1c8f628..65616a8 100644
--- a/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryAppService.cs
+++ b/src/Application/TakeoutSaaS.Application/Dictionary/Services/DictionaryAppService.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using Microsoft.Extensions.Logging;
 using TakeoutSaaS.Application.Dictionary.Abstractions;
 using TakeoutSaaS.Application.Dictionary.Contracts;
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IAdminAuthService.cs b/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IAdminAuthService.cs
index d1cd0a7..8961c72 100644
--- a/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IAdminAuthService.cs
+++ b/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IAdminAuthService.cs
@@ -1,6 +1,3 @@
-using System;
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Application.Identity.Contracts;
 using TakeoutSaaS.Shared.Abstractions.Results;
 
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IJwtTokenService.cs b/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IJwtTokenService.cs
index 4235181..5bf401e 100644
--- a/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IJwtTokenService.cs
+++ b/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IJwtTokenService.cs
@@ -1,5 +1,3 @@
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Application.Identity.Contracts;
 
 namespace TakeoutSaaS.Application.Identity.Abstractions;
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Abstractions/ILoginRateLimiter.cs b/src/Application/TakeoutSaaS.Application/Identity/Abstractions/ILoginRateLimiter.cs
index f4a7c5c..66f91a9 100644
--- a/src/Application/TakeoutSaaS.Application/Identity/Abstractions/ILoginRateLimiter.cs
+++ b/src/Application/TakeoutSaaS.Application/Identity/Abstractions/ILoginRateLimiter.cs
@@ -1,6 +1,3 @@
-using System.Threading;
-using System.Threading.Tasks;
-
 namespace TakeoutSaaS.Application.Identity.Abstractions;
 
 /// <summary>
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IMiniAuthService.cs b/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IMiniAuthService.cs
index c7a509e..8c5250a 100644
--- a/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IMiniAuthService.cs
+++ b/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IMiniAuthService.cs
@@ -1,6 +1,3 @@
-using System;
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Application.Identity.Contracts;
 
 namespace TakeoutSaaS.Application.Identity.Abstractions;
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IRefreshTokenStore.cs b/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IRefreshTokenStore.cs
index 29a1bf6..938b4cf 100644
--- a/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IRefreshTokenStore.cs
+++ b/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IRefreshTokenStore.cs
@@ -1,6 +1,3 @@
-using System;
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Application.Identity.Models;
 
 namespace TakeoutSaaS.Application.Identity.Abstractions;
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IWeChatAuthService.cs b/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IWeChatAuthService.cs
index 417c8b9..c53b72c 100644
--- a/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IWeChatAuthService.cs
+++ b/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IWeChatAuthService.cs
@@ -1,6 +1,3 @@
-using System.Threading;
-using System.Threading.Tasks;
-
 namespace TakeoutSaaS.Application.Identity.Abstractions;
 
 /// <summary>
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Commands/CreateRoleTemplateCommand.cs b/src/Application/TakeoutSaaS.Application/Identity/Commands/CreateRoleTemplateCommand.cs
index 7ca69d1..de2bd4c 100644
--- a/src/Application/TakeoutSaaS.Application/Identity/Commands/CreateRoleTemplateCommand.cs
+++ b/src/Application/TakeoutSaaS.Application/Identity/Commands/CreateRoleTemplateCommand.cs
@@ -1,4 +1,3 @@
-using System.Collections.Generic;
 using MediatR;
 using TakeoutSaaS.Application.Identity.Contracts;
 
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Commands/InitializeRoleTemplatesCommand.cs b/src/Application/TakeoutSaaS.Application/Identity/Commands/InitializeRoleTemplatesCommand.cs
index dc1a583..7eb39f9 100644
--- a/src/Application/TakeoutSaaS.Application/Identity/Commands/InitializeRoleTemplatesCommand.cs
+++ b/src/Application/TakeoutSaaS.Application/Identity/Commands/InitializeRoleTemplatesCommand.cs
@@ -1,4 +1,3 @@
-using System.Collections.Generic;
 using MediatR;
 using TakeoutSaaS.Application.Identity.Contracts;
 
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Commands/UpdateRoleTemplateCommand.cs b/src/Application/TakeoutSaaS.Application/Identity/Commands/UpdateRoleTemplateCommand.cs
index d88b3ba..ee6d5bf 100644
--- a/src/Application/TakeoutSaaS.Application/Identity/Commands/UpdateRoleTemplateCommand.cs
+++ b/src/Application/TakeoutSaaS.Application/Identity/Commands/UpdateRoleTemplateCommand.cs
@@ -1,4 +1,3 @@
-using System.Collections.Generic;
 using MediatR;
 using TakeoutSaaS.Application.Identity.Contracts;
 
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Contracts/RoleTemplateDto.cs b/src/Application/TakeoutSaaS.Application/Identity/Contracts/RoleTemplateDto.cs
index 4690fa2..d3d9415 100644
--- a/src/Application/TakeoutSaaS.Application/Identity/Contracts/RoleTemplateDto.cs
+++ b/src/Application/TakeoutSaaS.Application/Identity/Contracts/RoleTemplateDto.cs
@@ -1,5 +1,3 @@
-using System.Collections.Generic;
-
 namespace TakeoutSaaS.Application.Identity.Contracts;
 
 /// <summary>
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Contracts/UserPermissionDto.cs b/src/Application/TakeoutSaaS.Application/Identity/Contracts/UserPermissionDto.cs
index f3393ad..3506491 100644
--- a/src/Application/TakeoutSaaS.Application/Identity/Contracts/UserPermissionDto.cs
+++ b/src/Application/TakeoutSaaS.Application/Identity/Contracts/UserPermissionDto.cs
@@ -1,4 +1,3 @@
-using System;
 using System.Text.Json.Serialization;
 using TakeoutSaaS.Shared.Abstractions.Serialization;
 
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/CopyRoleTemplateCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/CopyRoleTemplateCommandHandler.cs
index e254b5f..807371a 100644
--- a/src/Application/TakeoutSaaS.Application/Identity/Handlers/CopyRoleTemplateCommandHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/CopyRoleTemplateCommandHandler.cs
@@ -1,6 +1,3 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
 using MediatR;
 using TakeoutSaaS.Application.Identity.Commands;
 using TakeoutSaaS.Application.Identity.Contracts;
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/CreateRoleTemplateCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/CreateRoleTemplateCommandHandler.cs
index b418306..2bec7ea 100644
--- a/src/Application/TakeoutSaaS.Application/Identity/Handlers/CreateRoleTemplateCommandHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/CreateRoleTemplateCommandHandler.cs
@@ -1,5 +1,3 @@
-using System;
-using System.Linq;
 using MediatR;
 using TakeoutSaaS.Application.Identity.Commands;
 using TakeoutSaaS.Application.Identity.Contracts;
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/GetRoleTemplateQueryHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/GetRoleTemplateQueryHandler.cs
index 2895c7d..be16a6e 100644
--- a/src/Application/TakeoutSaaS.Application/Identity/Handlers/GetRoleTemplateQueryHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/GetRoleTemplateQueryHandler.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using MediatR;
 using TakeoutSaaS.Application.Identity.Contracts;
 using TakeoutSaaS.Application.Identity.Queries;
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/GetUserPermissionsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/GetUserPermissionsQueryHandler.cs
index d50be4b..915f386 100644
--- a/src/Application/TakeoutSaaS.Application/Identity/Handlers/GetUserPermissionsQueryHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/GetUserPermissionsQueryHandler.cs
@@ -1,5 +1,3 @@
-using System;
-using System.Linq;
 using MediatR;
 using TakeoutSaaS.Application.Identity.Contracts;
 using TakeoutSaaS.Application.Identity.Queries;
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/InitializeRoleTemplatesCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/InitializeRoleTemplatesCommandHandler.cs
index 483b336..7ec7a0e 100644
--- a/src/Application/TakeoutSaaS.Application/Identity/Handlers/InitializeRoleTemplatesCommandHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/InitializeRoleTemplatesCommandHandler.cs
@@ -1,6 +1,3 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
 using MediatR;
 using TakeoutSaaS.Application.Identity.Commands;
 using TakeoutSaaS.Application.Identity.Contracts;
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/ListRoleTemplatesQueryHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/ListRoleTemplatesQueryHandler.cs
index 571ebf5..e99254b 100644
--- a/src/Application/TakeoutSaaS.Application/Identity/Handlers/ListRoleTemplatesQueryHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/ListRoleTemplatesQueryHandler.cs
@@ -1,5 +1,3 @@
-using System.Collections.Generic;
-using System.Linq;
 using MediatR;
 using TakeoutSaaS.Application.Identity.Contracts;
 using TakeoutSaaS.Application.Identity.Queries;
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/SearchPermissionsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/SearchPermissionsQueryHandler.cs
index 62a4ce9..df6245b 100644
--- a/src/Application/TakeoutSaaS.Application/Identity/Handlers/SearchPermissionsQueryHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/SearchPermissionsQueryHandler.cs
@@ -1,5 +1,3 @@
-using System;
-using System.Linq;
 using MediatR;
 using TakeoutSaaS.Application.Identity.Contracts;
 using TakeoutSaaS.Application.Identity.Queries;
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/SearchRolesQueryHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/SearchRolesQueryHandler.cs
index 3e18b69..7309de3 100644
--- a/src/Application/TakeoutSaaS.Application/Identity/Handlers/SearchRolesQueryHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/SearchRolesQueryHandler.cs
@@ -1,5 +1,3 @@
-using System;
-using System.Linq;
 using MediatR;
 using TakeoutSaaS.Application.Identity.Contracts;
 using TakeoutSaaS.Application.Identity.Queries;
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/SearchUserPermissionsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/SearchUserPermissionsQueryHandler.cs
index 599d6fd..4184be8 100644
--- a/src/Application/TakeoutSaaS.Application/Identity/Handlers/SearchUserPermissionsQueryHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/SearchUserPermissionsQueryHandler.cs
@@ -1,6 +1,3 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
 using MediatR;
 using TakeoutSaaS.Application.Identity.Contracts;
 using TakeoutSaaS.Application.Identity.Queries;
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/TemplateMapper.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/TemplateMapper.cs
index 73e0509..aaf6d71 100644
--- a/src/Application/TakeoutSaaS.Application/Identity/Handlers/TemplateMapper.cs
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/TemplateMapper.cs
@@ -1,5 +1,3 @@
-using System.Collections.Generic;
-using System.Linq;
 using TakeoutSaaS.Application.Identity.Contracts;
 using TakeoutSaaS.Domain.Identity.Entities;
 
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Handlers/UpdateRoleTemplateCommandHandler.cs b/src/Application/TakeoutSaaS.Application/Identity/Handlers/UpdateRoleTemplateCommandHandler.cs
index 1f07395..a98bf6e 100644
--- a/src/Application/TakeoutSaaS.Application/Identity/Handlers/UpdateRoleTemplateCommandHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/Identity/Handlers/UpdateRoleTemplateCommandHandler.cs
@@ -1,5 +1,3 @@
-using System;
-using System.Linq;
 using MediatR;
 using TakeoutSaaS.Application.Identity.Commands;
 using TakeoutSaaS.Application.Identity.Contracts;
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Queries/ListRoleTemplatesQuery.cs b/src/Application/TakeoutSaaS.Application/Identity/Queries/ListRoleTemplatesQuery.cs
index 7da3def..1b76a6d 100644
--- a/src/Application/TakeoutSaaS.Application/Identity/Queries/ListRoleTemplatesQuery.cs
+++ b/src/Application/TakeoutSaaS.Application/Identity/Queries/ListRoleTemplatesQuery.cs
@@ -1,4 +1,3 @@
-using System.Collections.Generic;
 using MediatR;
 using TakeoutSaaS.Application.Identity.Contracts;
 
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Services/AdminAuthService.cs b/src/Application/TakeoutSaaS.Application/Identity/Services/AdminAuthService.cs
index 4836eb8..72e8f2d 100644
--- a/src/Application/TakeoutSaaS.Application/Identity/Services/AdminAuthService.cs
+++ b/src/Application/TakeoutSaaS.Application/Identity/Services/AdminAuthService.cs
@@ -1,6 +1,3 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
 using Microsoft.AspNetCore.Identity;
 using TakeoutSaaS.Application.Identity.Abstractions;
 using TakeoutSaaS.Application.Identity.Contracts;
@@ -80,7 +77,7 @@ public sealed class AdminAuthService(
 
         // 3. 撤销旧刷新令牌（防止重复使用）
         await refreshTokenStore.RevokeAsync(descriptor.Token, cancellationToken);
-        
+
         // 4. 生成新的令牌对
         var profile = await BuildProfileAsync(user, cancellationToken);
         return await jwtTokenService.CreateTokensAsync(profile, false, cancellationToken);
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Services/MiniAuthService.cs b/src/Application/TakeoutSaaS.Application/Identity/Services/MiniAuthService.cs
index 5d83289..8234d7e 100644
--- a/src/Application/TakeoutSaaS.Application/Identity/Services/MiniAuthService.cs
+++ b/src/Application/TakeoutSaaS.Application/Identity/Services/MiniAuthService.cs
@@ -1,5 +1,5 @@
-using System.Net;
 using Microsoft.AspNetCore.Http;
+using System.Net;
 using TakeoutSaaS.Application.Identity.Abstractions;
 using TakeoutSaaS.Application.Identity.Contracts;
 using TakeoutSaaS.Domain.Identity.Entities;
@@ -54,7 +54,7 @@ public sealed class MiniAuthService(
 
         // 5. 登录成功后重置限流计数
         await rateLimiter.ResetAsync(throttleKey, cancellationToken);
-        
+
         // 6. 构建用户档案并生成令牌
         var profile = BuildProfile(user);
         return await jwtTokenService.CreateTokensAsync(profile, isNew, cancellationToken);
@@ -82,7 +82,7 @@ public sealed class MiniAuthService(
 
         // 3. 撤销旧刷新令牌（防止重复使用）
         await refreshTokenStore.RevokeAsync(descriptor.Token, cancellationToken);
-        
+
         // 4. 生成新的令牌对
         var profile = BuildProfile(user);
         return await jwtTokenService.CreateTokensAsync(profile, false, cancellationToken);
diff --git a/src/Application/TakeoutSaaS.Application/Messaging/Abstractions/IEventPublisher.cs b/src/Application/TakeoutSaaS.Application/Messaging/Abstractions/IEventPublisher.cs
index b471f0a..c17a6f7 100644
--- a/src/Application/TakeoutSaaS.Application/Messaging/Abstractions/IEventPublisher.cs
+++ b/src/Application/TakeoutSaaS.Application/Messaging/Abstractions/IEventPublisher.cs
@@ -1,6 +1,3 @@
-using System.Threading;
-using System.Threading.Tasks;
-
 namespace TakeoutSaaS.Application.Messaging.Abstractions;
 
 /// <summary>
diff --git a/src/Application/TakeoutSaaS.Application/Messaging/Services/EventPublisher.cs b/src/Application/TakeoutSaaS.Application/Messaging/Services/EventPublisher.cs
index 60b04d3..d87dc80 100644
--- a/src/Application/TakeoutSaaS.Application/Messaging/Services/EventPublisher.cs
+++ b/src/Application/TakeoutSaaS.Application/Messaging/Services/EventPublisher.cs
@@ -1,5 +1,3 @@
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Application.Messaging.Abstractions;
 using TakeoutSaaS.Module.Messaging.Abstractions;
 
diff --git a/src/Application/TakeoutSaaS.Application/Sms/Abstractions/IVerificationCodeService.cs b/src/Application/TakeoutSaaS.Application/Sms/Abstractions/IVerificationCodeService.cs
index 514b843..4eab7cc 100644
--- a/src/Application/TakeoutSaaS.Application/Sms/Abstractions/IVerificationCodeService.cs
+++ b/src/Application/TakeoutSaaS.Application/Sms/Abstractions/IVerificationCodeService.cs
@@ -1,5 +1,3 @@
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Application.Sms.Contracts;
 
 namespace TakeoutSaaS.Application.Sms.Abstractions;
diff --git a/src/Application/TakeoutSaaS.Application/Sms/Contracts/SendVerificationCodeResponse.cs b/src/Application/TakeoutSaaS.Application/Sms/Contracts/SendVerificationCodeResponse.cs
index 5b6cf77..e9f84f1 100644
--- a/src/Application/TakeoutSaaS.Application/Sms/Contracts/SendVerificationCodeResponse.cs
+++ b/src/Application/TakeoutSaaS.Application/Sms/Contracts/SendVerificationCodeResponse.cs
@@ -1,5 +1,3 @@
-using System;
-
 namespace TakeoutSaaS.Application.Sms.Contracts;
 
 /// <summary>
diff --git a/src/Application/TakeoutSaaS.Application/Sms/Services/VerificationCodeService.cs b/src/Application/TakeoutSaaS.Application/Sms/Services/VerificationCodeService.cs
index 70048b1..1fbac0f 100644
--- a/src/Application/TakeoutSaaS.Application/Sms/Services/VerificationCodeService.cs
+++ b/src/Application/TakeoutSaaS.Application/Sms/Services/VerificationCodeService.cs
@@ -1,15 +1,14 @@
-using System.Security.Cryptography;
-using System.Text;
 using Microsoft.Extensions.Caching.Distributed;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
+using System.Security.Cryptography;
+using System.Text;
 using TakeoutSaaS.Application.Sms.Abstractions;
 using TakeoutSaaS.Application.Sms.Contracts;
 using TakeoutSaaS.Application.Sms.Options;
 using TakeoutSaaS.Module.Sms.Abstractions;
 using TakeoutSaaS.Module.Sms.Models;
 using TakeoutSaaS.Module.Sms.Options;
-using TakeoutSaaS.Module.Sms;
 using TakeoutSaaS.Shared.Abstractions.Constants;
 using TakeoutSaaS.Shared.Abstractions.Exceptions;
 using TakeoutSaaS.Shared.Abstractions.Tenancy;
diff --git a/src/Application/TakeoutSaaS.Application/Storage/Abstractions/IFileStorageService.cs b/src/Application/TakeoutSaaS.Application/Storage/Abstractions/IFileStorageService.cs
index f164c5c..b92f66d 100644
--- a/src/Application/TakeoutSaaS.Application/Storage/Abstractions/IFileStorageService.cs
+++ b/src/Application/TakeoutSaaS.Application/Storage/Abstractions/IFileStorageService.cs
@@ -1,5 +1,3 @@
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Application.Storage.Contracts;
 
 namespace TakeoutSaaS.Application.Storage.Abstractions;
diff --git a/src/Application/TakeoutSaaS.Application/Storage/Contracts/DirectUploadResponse.cs b/src/Application/TakeoutSaaS.Application/Storage/Contracts/DirectUploadResponse.cs
index 4989657..de1ab0b 100644
--- a/src/Application/TakeoutSaaS.Application/Storage/Contracts/DirectUploadResponse.cs
+++ b/src/Application/TakeoutSaaS.Application/Storage/Contracts/DirectUploadResponse.cs
@@ -1,6 +1,3 @@
-using System;
-using System.Collections.Generic;
-
 namespace TakeoutSaaS.Application.Storage.Contracts;
 
 /// <summary>
diff --git a/src/Application/TakeoutSaaS.Application/Storage/Contracts/UploadFileRequest.cs b/src/Application/TakeoutSaaS.Application/Storage/Contracts/UploadFileRequest.cs
index 011f39d..43e12f2 100644
--- a/src/Application/TakeoutSaaS.Application/Storage/Contracts/UploadFileRequest.cs
+++ b/src/Application/TakeoutSaaS.Application/Storage/Contracts/UploadFileRequest.cs
@@ -1,4 +1,3 @@
-using System.IO;
 using TakeoutSaaS.Application.Storage.Enums;
 
 namespace TakeoutSaaS.Application.Storage.Contracts;
diff --git a/src/Application/TakeoutSaaS.Application/Storage/Extensions/UploadFileTypeParser.cs b/src/Application/TakeoutSaaS.Application/Storage/Extensions/UploadFileTypeParser.cs
index dd712ba..89efe3d 100644
--- a/src/Application/TakeoutSaaS.Application/Storage/Extensions/UploadFileTypeParser.cs
+++ b/src/Application/TakeoutSaaS.Application/Storage/Extensions/UploadFileTypeParser.cs
@@ -1,4 +1,3 @@
-using System;
 using TakeoutSaaS.Application.Storage.Enums;
 
 namespace TakeoutSaaS.Application.Storage.Extensions;
diff --git a/src/Application/TakeoutSaaS.Application/Storage/Services/FileStorageService.cs b/src/Application/TakeoutSaaS.Application/Storage/Services/FileStorageService.cs
index 6ce4e2c..a887bf9 100644
--- a/src/Application/TakeoutSaaS.Application/Storage/Services/FileStorageService.cs
+++ b/src/Application/TakeoutSaaS.Application/Storage/Services/FileStorageService.cs
@@ -1,13 +1,7 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Security.Cryptography;
-using System.Text;
-using System.Threading;
-using System.Threading.Tasks;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
+using System.Security.Cryptography;
+using System.Text;
 using TakeoutSaaS.Application.Storage.Abstractions;
 using TakeoutSaaS.Application.Storage.Contracts;
 using TakeoutSaaS.Application.Storage.Enums;
diff --git a/src/Core/TakeoutSaaS.Shared.Abstractions/Data/IDapperExecutor.cs b/src/Core/TakeoutSaaS.Shared.Abstractions/Data/IDapperExecutor.cs
index 3783a93..0423468 100644
--- a/src/Core/TakeoutSaaS.Shared.Abstractions/Data/IDapperExecutor.cs
+++ b/src/Core/TakeoutSaaS.Shared.Abstractions/Data/IDapperExecutor.cs
@@ -29,6 +29,7 @@ public interface IDapperExecutor
     /// <param name="role">连接角色（读/写）。</param>
     /// <param name="command">命令委托，提供已打开的连接和取消标记。</param>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步执行任务。</returns>
     Task ExecuteAsync(
         string dataSourceName,
         DatabaseConnectionRole role,
diff --git a/src/Core/TakeoutSaaS.Shared.Abstractions/Diagnostics/TraceContext.cs b/src/Core/TakeoutSaaS.Shared.Abstractions/Diagnostics/TraceContext.cs
index ad8aa43..ae8284b 100644
--- a/src/Core/TakeoutSaaS.Shared.Abstractions/Diagnostics/TraceContext.cs
+++ b/src/Core/TakeoutSaaS.Shared.Abstractions/Diagnostics/TraceContext.cs
@@ -1,5 +1,3 @@
-using System.Threading;
-
 namespace TakeoutSaaS.Shared.Abstractions.Diagnostics;
 
 /// <summary>
diff --git a/src/Core/TakeoutSaaS.Shared.Abstractions/Exceptions/ValidationException.cs b/src/Core/TakeoutSaaS.Shared.Abstractions/Exceptions/ValidationException.cs
index a87def6..f95bf0b 100644
--- a/src/Core/TakeoutSaaS.Shared.Abstractions/Exceptions/ValidationException.cs
+++ b/src/Core/TakeoutSaaS.Shared.Abstractions/Exceptions/ValidationException.cs
@@ -1,6 +1,3 @@
-using System;
-using System.Collections.Generic;
-
 namespace TakeoutSaaS.Shared.Abstractions.Exceptions;
 
 /// <summary>
diff --git a/src/Core/TakeoutSaaS.Shared.Abstractions/Results/ApiResponse.NonGeneric.cs b/src/Core/TakeoutSaaS.Shared.Abstractions/Results/ApiResponse.NonGeneric.cs
index d3e8d6d..04f400c 100644
--- a/src/Core/TakeoutSaaS.Shared.Abstractions/Results/ApiResponse.NonGeneric.cs
+++ b/src/Core/TakeoutSaaS.Shared.Abstractions/Results/ApiResponse.NonGeneric.cs
@@ -8,24 +8,36 @@ public static class ApiResponse
     /// <summary>
     /// 仅返回成功消息（无数据）。
     /// </summary>
+    /// <param name="message">提示信息。</param>
+    /// <returns>封装后的成功响应。</returns>
     public static ApiResponse<object> Success(string? message = "操作成功")
         => ApiResponse<object>.Ok(message: message);
 
     /// <summary>
     /// 成功且携带数据。
     /// </summary>
+    /// <param name="data">业务数据。</param>
+    /// <param name="message">提示信息。</param>
+    /// <returns>封装后的成功响应。</returns>
     public static ApiResponse<object> Ok(object? data, string? message = "操作成功")
         => data is null ? ApiResponse<object>.Ok(message: message) : ApiResponse<object>.Ok(data, message);
 
     /// <summary>
     /// 错误返回。
     /// </summary>
+    /// <param name="code">错误码。</param>
+    /// <param name="message">错误提示。</param>
+    /// <returns>封装后的失败响应。</returns>
     public static ApiResponse<object> Failure(int code, string message)
         => ApiResponse<object>.Error(code, message);
 
     /// <summary>
     /// 错误返回（附带详情）。
     /// </summary>
+    /// <param name="code">错误码。</param>
+    /// <param name="message">错误提示。</param>
+    /// <param name="errors">错误详情。</param>
+    /// <returns>封装后的失败响应。</returns>
     public static ApiResponse<object> Error(int code, string message, object? errors = null)
         => ApiResponse<object>.Error(code, message, errors);
 }
diff --git a/src/Core/TakeoutSaaS.Shared.Abstractions/Results/ApiResponse.cs b/src/Core/TakeoutSaaS.Shared.Abstractions/Results/ApiResponse.cs
index 62365b3..f89a1b7 100644
--- a/src/Core/TakeoutSaaS.Shared.Abstractions/Results/ApiResponse.cs
+++ b/src/Core/TakeoutSaaS.Shared.Abstractions/Results/ApiResponse.cs
@@ -47,36 +47,53 @@ public sealed record ApiResponse<T>
     /// <summary>
     /// 成功返回。
     /// </summary>
+    /// <param name="data">业务数据。</param>
+    /// <param name="message">提示信息。</param>
+    /// <returns>封装后的成功响应。</returns>
     public static ApiResponse<T> Ok(T data, string? message = "操作成功")
         => Create(true, 200, message, data);
 
     /// <summary>
     /// 无数据的成功返回。
     /// </summary>
+    /// <param name="message">提示信息。</param>
+    /// <returns>封装后的成功响应。</returns>
     public static ApiResponse<T> Ok(string? message = "操作成功")
         => Create(true, 200, message, default);
 
     /// <summary>
     /// 兼容旧名称：成功结果。
     /// </summary>
+    /// <param name="data">业务数据。</param>
+    /// <param name="message">提示信息。</param>
+    /// <returns>封装后的成功响应。</returns>
     public static ApiResponse<T> SuccessResult(T data, string? message = "操作成功")
         => Ok(data, message);
 
     /// <summary>
     /// 错误返回。
     /// </summary>
+    /// <param name="code">错误码。</param>
+    /// <param name="message">错误提示。</param>
+    /// <param name="errors">错误详情。</param>
+    /// <returns>封装后的失败响应。</returns>
     public static ApiResponse<T> Error(int code, string message, object? errors = null)
         => Create(false, code, message, default, errors);
 
     /// <summary>
     /// 兼容旧名称：失败结果。
     /// </summary>
+    /// <param name="code">错误码。</param>
+    /// <param name="message">错误提示。</param>
+    /// <returns>封装后的失败响应。</returns>
     public static ApiResponse<T> Failure(int code, string message)
         => Error(code, message);
 
     /// <summary>
     /// 附加错误详情。
     /// </summary>
+    /// <param name="errors">错误详情。</param>
+    /// <returns>包含错误详情的新响应。</returns>
     public ApiResponse<T> WithErrors(object? errors)
         => this with { Errors = errors };
 
@@ -95,6 +112,7 @@ public sealed record ApiResponse<T>
     /// <summary>
     /// 解析当前 TraceId。
     /// </summary>
+    /// <returns>当前有效的 TraceId。</returns>
     private static string ResolveTraceId()
     {
         if (!string.IsNullOrWhiteSpace(TraceContext.TraceId))
@@ -142,6 +160,7 @@ internal sealed class IdFallbackGenerator
     /// <summary>
     /// 生成雪花风格的本地备用 ID。
     /// </summary>
+    /// <returns>本地生成的雪花 ID。</returns>
     public long NextId()
     {
         lock (_sync)
@@ -168,6 +187,8 @@ internal sealed class IdFallbackGenerator
     /// <summary>
     /// 等待到下一个毫秒以避免序列冲突。
     /// </summary>
+    /// <param name="lastTimestamp">上一毫秒的时间戳。</param>
+    /// <returns>下一个时间戳（毫秒）。</returns>
     private static long WaitNextMillis(long lastTimestamp)
     {
         var timestamp = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
diff --git a/src/Core/TakeoutSaaS.Shared.Abstractions/Results/PagedResult.cs b/src/Core/TakeoutSaaS.Shared.Abstractions/Results/PagedResult.cs
index 69c5ba4..4bc4c7e 100644
--- a/src/Core/TakeoutSaaS.Shared.Abstractions/Results/PagedResult.cs
+++ b/src/Core/TakeoutSaaS.Shared.Abstractions/Results/PagedResult.cs
@@ -1,5 +1,3 @@
-using System.Collections.Generic;
-
 namespace TakeoutSaaS.Shared.Abstractions.Results;
 
 /// <summary>
diff --git a/src/Core/TakeoutSaaS.Shared.Abstractions/Tenancy/ITenantProvider.cs b/src/Core/TakeoutSaaS.Shared.Abstractions/Tenancy/ITenantProvider.cs
index 02c818a..76358db 100644
--- a/src/Core/TakeoutSaaS.Shared.Abstractions/Tenancy/ITenantProvider.cs
+++ b/src/Core/TakeoutSaaS.Shared.Abstractions/Tenancy/ITenantProvider.cs
@@ -6,7 +6,8 @@ namespace TakeoutSaaS.Shared.Abstractions.Tenancy;
 public interface ITenantProvider
 {
     /// <summary>
-    /// 获取当前租户 ID，未解析时返回 Guid.Empty。
+    /// 获取当前租户 ID，未解析时返回 0。
     /// </summary>
+    /// <returns>当前请求绑定的租户 ID，未解析时为 0。</returns>
     long GetCurrentTenantId();
 }
diff --git a/src/Core/TakeoutSaaS.Shared.Kernel/Ids/SnowflakeIdGenerator.cs b/src/Core/TakeoutSaaS.Shared.Kernel/Ids/SnowflakeIdGenerator.cs
index 06d22fb..862edb9 100644
--- a/src/Core/TakeoutSaaS.Shared.Kernel/Ids/SnowflakeIdGenerator.cs
+++ b/src/Core/TakeoutSaaS.Shared.Kernel/Ids/SnowflakeIdGenerator.cs
@@ -1,6 +1,5 @@
 using System.Diagnostics;
 using System.Security.Cryptography;
-using System.Threading;
 using TakeoutSaaS.Shared.Abstractions.Ids;
 
 namespace TakeoutSaaS.Shared.Kernel.Ids;
diff --git a/src/Core/TakeoutSaaS.Shared.Web/Extensions/ServiceCollectionExtensions.cs b/src/Core/TakeoutSaaS.Shared.Web/Extensions/ServiceCollectionExtensions.cs
index dd5f1e3..7ac65ce 100644
--- a/src/Core/TakeoutSaaS.Shared.Web/Extensions/ServiceCollectionExtensions.cs
+++ b/src/Core/TakeoutSaaS.Shared.Web/Extensions/ServiceCollectionExtensions.cs
@@ -1,5 +1,4 @@
 using Microsoft.AspNetCore.Mvc;
-using Microsoft.AspNetCore.Mvc.ApiExplorer;
 using Microsoft.Extensions.DependencyInjection;
 using TakeoutSaaS.Shared.Abstractions.Security;
 using TakeoutSaaS.Shared.Web.Filters;
diff --git a/src/Core/TakeoutSaaS.Shared.Web/Filters/ValidateModelAttribute.cs b/src/Core/TakeoutSaaS.Shared.Web/Filters/ValidateModelAttribute.cs
index 4c802e0..c6ad12f 100644
--- a/src/Core/TakeoutSaaS.Shared.Web/Filters/ValidateModelAttribute.cs
+++ b/src/Core/TakeoutSaaS.Shared.Web/Filters/ValidateModelAttribute.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.Filters;
 using TakeoutSaaS.Shared.Abstractions.Constants;
diff --git a/src/Core/TakeoutSaaS.Shared.Web/Middleware/CorrelationIdMiddleware.cs b/src/Core/TakeoutSaaS.Shared.Web/Middleware/CorrelationIdMiddleware.cs
index e1dadd9..eb7d0a9 100644
--- a/src/Core/TakeoutSaaS.Shared.Web/Middleware/CorrelationIdMiddleware.cs
+++ b/src/Core/TakeoutSaaS.Shared.Web/Middleware/CorrelationIdMiddleware.cs
@@ -1,9 +1,6 @@
-using System;
-using System.Collections.Generic;
-using System.Diagnostics;
-using System.Threading.Tasks;
 using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Logging;
+using System.Diagnostics;
 using TakeoutSaaS.Shared.Abstractions.Diagnostics;
 using TakeoutSaaS.Shared.Abstractions.Ids;
 
@@ -49,10 +46,10 @@ public sealed class CorrelationIdMiddleware(RequestDelegate next, ILogger<Correl
         });
 
         using (logger.BeginScope(new Dictionary<string, object>
-               {
-                   ["TraceId"] = traceId,
-                   ["SpanId"] = spanId
-               }))
+        {
+            ["TraceId"] = traceId,
+            ["SpanId"] = spanId
+        }))
         {
             try
             {
diff --git a/src/Core/TakeoutSaaS.Shared.Web/Middleware/ExceptionHandlingMiddleware.cs b/src/Core/TakeoutSaaS.Shared.Web/Middleware/ExceptionHandlingMiddleware.cs
index 2babea2..c52d364 100644
--- a/src/Core/TakeoutSaaS.Shared.Web/Middleware/ExceptionHandlingMiddleware.cs
+++ b/src/Core/TakeoutSaaS.Shared.Web/Middleware/ExceptionHandlingMiddleware.cs
@@ -1,10 +1,8 @@
-using System;
-using System.Text.Json;
-using System.Text.Json.Serialization;
-using System.Threading.Tasks;
 using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
+using System.Text.Json;
+using System.Text.Json.Serialization;
 using TakeoutSaaS.Shared.Abstractions.Constants;
 using TakeoutSaaS.Shared.Abstractions.Exceptions;
 using TakeoutSaaS.Shared.Abstractions.Results;
diff --git a/src/Core/TakeoutSaaS.Shared.Web/Middleware/RequestLoggingMiddleware.cs b/src/Core/TakeoutSaaS.Shared.Web/Middleware/RequestLoggingMiddleware.cs
index 9ec3592..7162688 100644
--- a/src/Core/TakeoutSaaS.Shared.Web/Middleware/RequestLoggingMiddleware.cs
+++ b/src/Core/TakeoutSaaS.Shared.Web/Middleware/RequestLoggingMiddleware.cs
@@ -1,7 +1,6 @@
-using System.Diagnostics;
-using System.Threading.Tasks;
 using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Logging;
+using System.Diagnostics;
 using TakeoutSaaS.Shared.Abstractions.Diagnostics;
 
 namespace TakeoutSaaS.Shared.Web.Middleware;
diff --git a/src/Core/TakeoutSaaS.Shared.Web/Security/ClaimsPrincipalExtensions.cs b/src/Core/TakeoutSaaS.Shared.Web/Security/ClaimsPrincipalExtensions.cs
index 05a90b2..630789b 100644
--- a/src/Core/TakeoutSaaS.Shared.Web/Security/ClaimsPrincipalExtensions.cs
+++ b/src/Core/TakeoutSaaS.Shared.Web/Security/ClaimsPrincipalExtensions.cs
@@ -1,4 +1,3 @@
-using System;
 using System.Security.Claims;
 
 namespace TakeoutSaaS.Shared.Web.Security;
diff --git a/src/Core/TakeoutSaaS.Shared.Web/Security/HttpContextCurrentUserAccessor.cs b/src/Core/TakeoutSaaS.Shared.Web/Security/HttpContextCurrentUserAccessor.cs
index 3d5c423..bc43ea8 100644
--- a/src/Core/TakeoutSaaS.Shared.Web/Security/HttpContextCurrentUserAccessor.cs
+++ b/src/Core/TakeoutSaaS.Shared.Web/Security/HttpContextCurrentUserAccessor.cs
@@ -1,5 +1,5 @@
-using System.Security.Claims;
 using Microsoft.AspNetCore.Http;
+using System.Security.Claims;
 using TakeoutSaaS.Shared.Abstractions.Security;
 
 namespace TakeoutSaaS.Shared.Web.Security;
diff --git a/src/Core/TakeoutSaaS.Shared.Web/Swagger/ConfigureSwaggerOptions.cs b/src/Core/TakeoutSaaS.Shared.Web/Swagger/ConfigureSwaggerOptions.cs
index e167f00..68590fc 100644
--- a/src/Core/TakeoutSaaS.Shared.Web/Swagger/ConfigureSwaggerOptions.cs
+++ b/src/Core/TakeoutSaaS.Shared.Web/Swagger/ConfigureSwaggerOptions.cs
@@ -1,6 +1,4 @@
-using System;
-using Microsoft.AspNetCore.Mvc.ApiExplorer;
-using System.Collections.Generic;
+using Microsoft.AspNetCore.Mvc.ApiExplorer;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Options;
 using Microsoft.OpenApi;
diff --git a/src/Domain/TakeoutSaaS.Domain/Deliveries/Repositories/IDeliveryRepository.cs b/src/Domain/TakeoutSaaS.Domain/Deliveries/Repositories/IDeliveryRepository.cs
index 27d5c95..f97f67e 100644
--- a/src/Domain/TakeoutSaaS.Domain/Deliveries/Repositories/IDeliveryRepository.cs
+++ b/src/Domain/TakeoutSaaS.Domain/Deliveries/Repositories/IDeliveryRepository.cs
@@ -1,6 +1,3 @@
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Domain.Deliveries.Entities;
 using TakeoutSaaS.Domain.Deliveries.Enums;
 
@@ -14,45 +11,77 @@ public interface IDeliveryRepository
     /// <summary>
     /// 依据标识获取配送单。
     /// </summary>
+    /// <param name="deliveryOrderId">配送单 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>配送单实体或 null。</returns>
     Task<DeliveryOrder?> FindByIdAsync(long deliveryOrderId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 依据订单标识获取配送单。
     /// </summary>
+    /// <param name="orderId">订单 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>配送单实体或 null。</returns>
     Task<DeliveryOrder?> FindByOrderIdAsync(long orderId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 获取配送事件轨迹。
     /// </summary>
+    /// <param name="deliveryOrderId">配送单 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>配送事件列表。</returns>
     Task<IReadOnlyList<DeliveryEvent>> GetEventsAsync(long deliveryOrderId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 新增配送单。
     /// </summary>
+    /// <param name="deliveryOrder">配送单实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddDeliveryOrderAsync(DeliveryOrder deliveryOrder, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 新增配送事件。
     /// </summary>
+    /// <param name="deliveryEvent">配送事件。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddEventAsync(DeliveryEvent deliveryEvent, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 持久化变更。
     /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task SaveChangesAsync(CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 按状态查询配送单。
     /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="status">配送状态。</param>
+    /// <param name="orderId">订单 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>配送单列表。</returns>
     Task<IReadOnlyList<DeliveryOrder>> SearchAsync(long tenantId, DeliveryStatus? status, long? orderId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 更新配送单。
     /// </summary>
+    /// <param name="deliveryOrder">配送单实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task UpdateDeliveryOrderAsync(DeliveryOrder deliveryOrder, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 删除配送单及事件。
     /// </summary>
+    /// <param name="deliveryOrderId">配送单 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task DeleteDeliveryOrderAsync(long deliveryOrderId, long tenantId, CancellationToken cancellationToken = default);
 }
diff --git a/src/Domain/TakeoutSaaS.Domain/Dictionary/Entities/DictionaryGroup.cs b/src/Domain/TakeoutSaaS.Domain/Dictionary/Entities/DictionaryGroup.cs
index 68694b0..bf48fca 100644
--- a/src/Domain/TakeoutSaaS.Domain/Dictionary/Entities/DictionaryGroup.cs
+++ b/src/Domain/TakeoutSaaS.Domain/Dictionary/Entities/DictionaryGroup.cs
@@ -1,4 +1,3 @@
-using System.Collections.Generic;
 using TakeoutSaaS.Domain.Dictionary.Enums;
 using TakeoutSaaS.Shared.Abstractions.Entities;
 
diff --git a/src/Domain/TakeoutSaaS.Domain/Dictionary/Repositories/IDictionaryRepository.cs b/src/Domain/TakeoutSaaS.Domain/Dictionary/Repositories/IDictionaryRepository.cs
index 9a9b427..d0d4294 100644
--- a/src/Domain/TakeoutSaaS.Domain/Dictionary/Repositories/IDictionaryRepository.cs
+++ b/src/Domain/TakeoutSaaS.Domain/Dictionary/Repositories/IDictionaryRepository.cs
@@ -1,6 +1,3 @@
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Domain.Dictionary.Entities;
 using TakeoutSaaS.Domain.Dictionary.Enums;
 
@@ -14,55 +11,89 @@ public interface IDictionaryRepository
     /// <summary>
     /// 依据 ID 获取分组。
     /// </summary>
+    /// <param name="id">分组 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分组实体或 null。</returns>
     Task<DictionaryGroup?> FindGroupByIdAsync(long id, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 依据编码获取分组。
     /// </summary>
+    /// <param name="code">分组编码。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分组实体或 null。</returns>
     Task<DictionaryGroup?> FindGroupByCodeAsync(string code, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 搜索分组，可按作用域过滤。
     /// </summary>
+    /// <param name="scope">作用域。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分组集合。</returns>
     Task<IReadOnlyList<DictionaryGroup>> SearchGroupsAsync(DictionaryScope? scope, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 新增分组。
     /// </summary>
+    /// <param name="group">分组实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddGroupAsync(DictionaryGroup group, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 删除分组。
     /// </summary>
+    /// <param name="group">分组实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task RemoveGroupAsync(DictionaryGroup group, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 依据 ID 获取字典项。
     /// </summary>
+    /// <param name="id">字典项 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>字典项或 null。</returns>
     Task<DictionaryItem?> FindItemByIdAsync(long id, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 获取某分组下的所有字典项。
     /// </summary>
+    /// <param name="groupId">分组 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>字典项集合。</returns>
     Task<IReadOnlyList<DictionaryItem>> GetItemsByGroupIdAsync(long groupId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 按分组编码集合获取字典项（可包含系统参数）。
     /// </summary>
+    /// <param name="codes">分组编码集合。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="includeSystem">是否包含系统分组。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>字典项集合。</returns>
     Task<IReadOnlyList<DictionaryItem>> GetItemsByCodesAsync(IEnumerable<string> codes, long tenantId, bool includeSystem, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 新增字典项。
     /// </summary>
+    /// <param name="item">字典项实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddItemAsync(DictionaryItem item, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 删除字典项。
     /// </summary>
+    /// <param name="item">字典项实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task RemoveItemAsync(DictionaryItem item, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 持久化更改。
     /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task SaveChangesAsync(CancellationToken cancellationToken = default);
 }
diff --git a/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IIdentityUserRepository.cs b/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IIdentityUserRepository.cs
index 5b809cf..cc3a497 100644
--- a/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IIdentityUserRepository.cs
+++ b/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IIdentityUserRepository.cs
@@ -1,7 +1,3 @@
-using System;
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Domain.Identity.Entities;
 
 namespace TakeoutSaaS.Domain.Identity.Repositories;
@@ -14,11 +10,17 @@ public interface IIdentityUserRepository
     /// <summary>
     /// 根据账号获取后台用户。
     /// </summary>
+    /// <param name="account">账号。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>后台用户或 null。</returns>
     Task<IdentityUser?> FindByAccountAsync(string account, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 根据 ID 获取后台用户。
     /// </summary>
+    /// <param name="userId">用户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>后台用户或 null。</returns>
     Task<IdentityUser?> FindByIdAsync(long userId, CancellationToken cancellationToken = default);
 
     /// <summary>
@@ -27,10 +29,15 @@ public interface IIdentityUserRepository
     /// <param name="tenantId">租户 ID。</param>
     /// <param name="keyword">可选关键字（账号/名称）。</param>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>后台用户列表。</returns>
     Task<IReadOnlyList<IdentityUser>> SearchAsync(long tenantId, string? keyword, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 获取指定租户、用户集合对应的用户（只读）。
     /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="userIds">用户 ID 集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>后台用户列表。</returns>
     Task<IReadOnlyList<IdentityUser>> GetByIdsAsync(long tenantId, IEnumerable<long> userIds, CancellationToken cancellationToken = default);
 }
diff --git a/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IPermissionRepository.cs b/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IPermissionRepository.cs
index b6e7833..d643394 100644
--- a/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IPermissionRepository.cs
+++ b/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IPermissionRepository.cs
@@ -1,6 +1,3 @@
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Domain.Identity.Entities;
 
 namespace TakeoutSaaS.Domain.Identity.Repositories;
diff --git a/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IRolePermissionRepository.cs b/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IRolePermissionRepository.cs
index 3f45d5c..4502d1e 100644
--- a/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IRolePermissionRepository.cs
+++ b/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IRolePermissionRepository.cs
@@ -1,6 +1,3 @@
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Domain.Identity.Entities;
 
 namespace TakeoutSaaS.Domain.Identity.Repositories;
diff --git a/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IRoleRepository.cs b/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IRoleRepository.cs
index f740fce..726a513 100644
--- a/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IRoleRepository.cs
+++ b/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IRoleRepository.cs
@@ -1,6 +1,3 @@
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Domain.Identity.Entities;
 
 namespace TakeoutSaaS.Domain.Identity.Repositories;
diff --git a/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IRoleTemplateRepository.cs b/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IRoleTemplateRepository.cs
index 3a9ce61..f175722 100644
--- a/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IRoleTemplateRepository.cs
+++ b/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IRoleTemplateRepository.cs
@@ -1,6 +1,3 @@
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Domain.Identity.Entities;
 
 namespace TakeoutSaaS.Domain.Identity.Repositories;
diff --git a/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IUserRoleRepository.cs b/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IUserRoleRepository.cs
index 68c0915..6759d08 100644
--- a/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IUserRoleRepository.cs
+++ b/src/Domain/TakeoutSaaS.Domain/Identity/Repositories/IUserRoleRepository.cs
@@ -1,6 +1,3 @@
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Domain.Identity.Entities;
 
 namespace TakeoutSaaS.Domain.Identity.Repositories;
diff --git a/src/Domain/TakeoutSaaS.Domain/Merchants/Repositories/IMerchantCategoryRepository.cs b/src/Domain/TakeoutSaaS.Domain/Merchants/Repositories/IMerchantCategoryRepository.cs
index f8669d6..cabdd80 100644
--- a/src/Domain/TakeoutSaaS.Domain/Merchants/Repositories/IMerchantCategoryRepository.cs
+++ b/src/Domain/TakeoutSaaS.Domain/Merchants/Repositories/IMerchantCategoryRepository.cs
@@ -1,6 +1,3 @@
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Domain.Merchants.Entities;
 
 namespace TakeoutSaaS.Domain.Merchants.Repositories;
@@ -13,35 +10,57 @@ public interface IMerchantCategoryRepository
     /// <summary>
     /// 列出当前租户的类目。
     /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>类目列表。</returns>
     Task<IReadOnlyList<MerchantCategory>> ListAsync(long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 是否存在同名类目。
     /// </summary>
+    /// <param name="name">类目名称。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>存在返回 true。</returns>
     Task<bool> ExistsAsync(string name, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 查找类目。
     /// </summary>
+    /// <param name="id">类目 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>类目实体或 null。</returns>
     Task<MerchantCategory?> FindByIdAsync(long id, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 新增类目。
     /// </summary>
+    /// <param name="category">类目实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddAsync(MerchantCategory category, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 删除类目。
     /// </summary>
+    /// <param name="category">类目实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task RemoveAsync(MerchantCategory category, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 批量更新类目信息。
     /// </summary>
+    /// <param name="categories">类目集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task UpdateRangeAsync(IEnumerable<MerchantCategory> categories, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 持久化更改。
     /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task SaveChangesAsync(CancellationToken cancellationToken = default);
 }
diff --git a/src/Domain/TakeoutSaaS.Domain/Merchants/Repositories/IMerchantRepository.cs b/src/Domain/TakeoutSaaS.Domain/Merchants/Repositories/IMerchantRepository.cs
index 3a7df9b..1e1ee19 100644
--- a/src/Domain/TakeoutSaaS.Domain/Merchants/Repositories/IMerchantRepository.cs
+++ b/src/Domain/TakeoutSaaS.Domain/Merchants/Repositories/IMerchantRepository.cs
@@ -1,6 +1,3 @@
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Domain.Merchants.Entities;
 using TakeoutSaaS.Domain.Merchants.Enums;
 
@@ -14,21 +11,37 @@ public interface IMerchantRepository
     /// <summary>
     /// 依据标识获取商户。
     /// </summary>
+    /// <param name="merchantId">商户 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>商户实体或 null。</returns>
     Task<Merchant?> FindByIdAsync(long merchantId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 按状态筛选商户列表。
     /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="status">状态过滤。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>商户集合。</returns>
     Task<IReadOnlyList<Merchant>> SearchAsync(long tenantId, MerchantStatus? status, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 获取指定商户的员工列表。
     /// </summary>
+    /// <param name="merchantId">商户 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>员工集合。</returns>
     Task<IReadOnlyList<MerchantStaff>> GetStaffAsync(long merchantId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 获取指定商户的合同列表。
     /// </summary>
+    /// <param name="merchantId">商户 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>合同集合。</returns>
     Task<IReadOnlyList<MerchantContract>> GetContractsAsync(long merchantId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
@@ -44,6 +57,10 @@ public interface IMerchantRepository
     /// <summary>
     /// 获取指定商户的资质文件列表。
     /// </summary>
+    /// <param name="merchantId">商户 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>资质文件列表。</returns>
     Task<IReadOnlyList<MerchantDocument>> GetDocumentsAsync(long merchantId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
@@ -59,16 +76,25 @@ public interface IMerchantRepository
     /// <summary>
     /// 新增商户主体。
     /// </summary>
+    /// <param name="merchant">商户实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddMerchantAsync(Merchant merchant, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 新增商户员工。
     /// </summary>
+    /// <param name="staff">员工实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddStaffAsync(MerchantStaff staff, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 新增商户合同。
     /// </summary>
+    /// <param name="contract">合同实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddContractAsync(MerchantContract contract, CancellationToken cancellationToken = default);
 
     /// <summary>
@@ -82,6 +108,9 @@ public interface IMerchantRepository
     /// <summary>
     /// 新增商户资质文件。
     /// </summary>
+    /// <param name="document">资质文件实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddDocumentAsync(MerchantDocument document, CancellationToken cancellationToken = default);
 
     /// <summary>
@@ -95,25 +124,41 @@ public interface IMerchantRepository
     /// <summary>
     /// 持久化变更。
     /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task SaveChangesAsync(CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 更新商户信息。
     /// </summary>
+    /// <param name="merchant">商户实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task UpdateMerchantAsync(Merchant merchant, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 删除商户。
     /// </summary>
+    /// <param name="merchantId">商户 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task DeleteMerchantAsync(long merchantId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 记录审核日志。
     /// </summary>
+    /// <param name="log">审核日志实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddAuditLogAsync(MerchantAuditLog log, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 获取审核日志。
     /// </summary>
+    /// <param name="merchantId">商户 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>审核日志列表。</returns>
     Task<IReadOnlyList<MerchantAuditLog>> GetAuditLogsAsync(long merchantId, long tenantId, CancellationToken cancellationToken = default);
 }
diff --git a/src/Domain/TakeoutSaaS.Domain/Orders/Repositories/IOrderRepository.cs b/src/Domain/TakeoutSaaS.Domain/Orders/Repositories/IOrderRepository.cs
index d48ecf3..96a3bd6 100644
--- a/src/Domain/TakeoutSaaS.Domain/Orders/Repositories/IOrderRepository.cs
+++ b/src/Domain/TakeoutSaaS.Domain/Orders/Repositories/IOrderRepository.cs
@@ -1,6 +1,3 @@
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Domain.Orders.Entities;
 using TakeoutSaaS.Domain.Orders.Enums;
 using TakeoutSaaS.Domain.Payments.Enums;
@@ -15,65 +12,111 @@ public interface IOrderRepository
     /// <summary>
     /// 依据标识获取订单。
     /// </summary>
+    /// <param name="orderId">订单 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>订单实体或 null。</returns>
     Task<Order?> FindByIdAsync(long orderId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 依据订单号获取订单。
     /// </summary>
+    /// <param name="orderNo">订单号。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>订单实体或 null。</returns>
     Task<Order?> FindByOrderNoAsync(string orderNo, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 按状态筛选订单列表。
     /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="status">订单状态。</param>
+    /// <param name="paymentStatus">支付状态。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>订单集合。</returns>
     Task<IReadOnlyList<Order>> SearchAsync(long tenantId, OrderStatus? status, PaymentStatus? paymentStatus, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 获取订单明细行。
     /// </summary>
+    /// <param name="orderId">订单 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>订单明细集合。</returns>
     Task<IReadOnlyList<OrderItem>> GetItemsAsync(long orderId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 获取订单状态流转记录。
     /// </summary>
+    /// <param name="orderId">订单 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>状态变更记录列表。</returns>
     Task<IReadOnlyList<OrderStatusHistory>> GetStatusHistoryAsync(long orderId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 获取订单退款申请。
     /// </summary>
+    /// <param name="orderId">订单 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>退款申请列表。</returns>
     Task<IReadOnlyList<RefundRequest>> GetRefundsAsync(long orderId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 新增订单。
     /// </summary>
+    /// <param name="order">订单实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddOrderAsync(Order order, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 新增订单明细。
     /// </summary>
+    /// <param name="items">明细集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddItemsAsync(IEnumerable<OrderItem> items, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 新增订单状态记录。
     /// </summary>
+    /// <param name="history">状态记录。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddStatusHistoryAsync(OrderStatusHistory history, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 新增退款申请。
     /// </summary>
+    /// <param name="refund">退款申请实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddRefundAsync(RefundRequest refund, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 持久化变更。
     /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task SaveChangesAsync(CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 更新订单。
     /// </summary>
+    /// <param name="order">订单实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task UpdateOrderAsync(Order order, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 删除订单。
     /// </summary>
+    /// <param name="orderId">订单 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task DeleteOrderAsync(long orderId, long tenantId, CancellationToken cancellationToken = default);
 }
diff --git a/src/Domain/TakeoutSaaS.Domain/Payments/Repositories/IPaymentRepository.cs b/src/Domain/TakeoutSaaS.Domain/Payments/Repositories/IPaymentRepository.cs
index f12c937..7983a5a 100644
--- a/src/Domain/TakeoutSaaS.Domain/Payments/Repositories/IPaymentRepository.cs
+++ b/src/Domain/TakeoutSaaS.Domain/Payments/Repositories/IPaymentRepository.cs
@@ -1,6 +1,3 @@
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Domain.Payments.Entities;
 using TakeoutSaaS.Domain.Payments.Enums;
 
@@ -14,45 +11,76 @@ public interface IPaymentRepository
     /// <summary>
     /// 依据标识获取支付记录。
     /// </summary>
+    /// <param name="paymentId">支付记录 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>支付记录或 null。</returns>
     Task<PaymentRecord?> FindByIdAsync(long paymentId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 依据订单标识获取支付记录。
     /// </summary>
+    /// <param name="orderId">订单 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>支付记录或 null。</returns>
     Task<PaymentRecord?> FindByOrderIdAsync(long orderId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 获取支付对应的退款记录。
     /// </summary>
+    /// <param name="paymentId">支付记录 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>退款记录列表。</returns>
     Task<IReadOnlyList<PaymentRefundRecord>> GetRefundsAsync(long paymentId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 新增支付记录。
     /// </summary>
+    /// <param name="payment">支付实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddPaymentAsync(PaymentRecord payment, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 新增退款记录。
     /// </summary>
+    /// <param name="refund">退款实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddRefundAsync(PaymentRefundRecord refund, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 持久化变更。
     /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task SaveChangesAsync(CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 按状态筛选支付记录。
     /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="status">支付状态。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>支付记录列表。</returns>
     Task<IReadOnlyList<PaymentRecord>> SearchAsync(long tenantId, PaymentStatus? status, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 更新支付记录。
     /// </summary>
+    /// <param name="payment">支付实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task UpdatePaymentAsync(PaymentRecord payment, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 删除支付记录及关联退款。
     /// </summary>
+    /// <param name="paymentId">支付记录 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task DeletePaymentAsync(long paymentId, long tenantId, CancellationToken cancellationToken = default);
 }
diff --git a/src/Domain/TakeoutSaaS.Domain/Products/Repositories/IProductRepository.cs b/src/Domain/TakeoutSaaS.Domain/Products/Repositories/IProductRepository.cs
index 6f01804..1cc8155 100644
--- a/src/Domain/TakeoutSaaS.Domain/Products/Repositories/IProductRepository.cs
+++ b/src/Domain/TakeoutSaaS.Domain/Products/Repositories/IProductRepository.cs
@@ -1,6 +1,3 @@
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Domain.Products.Entities;
 using TakeoutSaaS.Domain.Products.Enums;
 
@@ -14,135 +11,234 @@ public interface IProductRepository
     /// <summary>
     /// 依据标识获取商品。
     /// </summary>
+    /// <param name="productId">商品 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>商品实体或 null。</returns>
     Task<Product?> FindByIdAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 按分类与状态筛选商品列表。
     /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="categoryId">分类 ID。</param>
+    /// <param name="status">商品状态。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>商品集合。</returns>
     Task<IReadOnlyList<Product>> SearchAsync(long tenantId, long? categoryId, ProductStatus? status, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 获取租户下的商品分类。
     /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分类集合。</returns>
     Task<IReadOnlyList<ProductCategory>> GetCategoriesAsync(long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 获取商品 SKU。
     /// </summary>
+    /// <param name="productId">商品 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>SKU 集合。</returns>
     Task<IReadOnlyList<ProductSku>> GetSkusAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 获取商品加料组与选项。
     /// </summary>
+    /// <param name="productId">商品 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>加料组集合。</returns>
     Task<IReadOnlyList<ProductAddonGroup>> GetAddonGroupsAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 获取商品加料选项。
     /// </summary>
+    /// <param name="productId">商品 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>加料选项集合。</returns>
     Task<IReadOnlyList<ProductAddonOption>> GetAddonOptionsAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 获取商品规格组与选项。
     /// </summary>
+    /// <param name="productId">商品 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>规格组集合。</returns>
     Task<IReadOnlyList<ProductAttributeGroup>> GetAttributeGroupsAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 获取商品规格选项。
     /// </summary>
+    /// <param name="productId">商品 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>规格选项集合。</returns>
     Task<IReadOnlyList<ProductAttributeOption>> GetAttributeOptionsAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 获取商品媒资。
     /// </summary>
+    /// <param name="productId">商品 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>媒资列表。</returns>
     Task<IReadOnlyList<ProductMediaAsset>> GetMediaAssetsAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 获取商品定价规则。
     /// </summary>
+    /// <param name="productId">商品 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>定价规则集合。</returns>
     Task<IReadOnlyList<ProductPricingRule>> GetPricingRulesAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 新增分类。
     /// </summary>
+    /// <param name="category">分类实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddCategoryAsync(ProductCategory category, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 新增商品。
     /// </summary>
+    /// <param name="product">商品实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddProductAsync(Product product, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 新增 SKU。
     /// </summary>
+    /// <param name="skus">SKU 集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddSkusAsync(IEnumerable<ProductSku> skus, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 新增加料组与选项。
     /// </summary>
+    /// <param name="groups">加料组集合。</param>
+    /// <param name="options">加料选项集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddAddonGroupsAsync(IEnumerable<ProductAddonGroup> groups, IEnumerable<ProductAddonOption> options, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 新增规格组与选项。
     /// </summary>
+    /// <param name="groups">规格组集合。</param>
+    /// <param name="options">规格选项集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddAttributeGroupsAsync(IEnumerable<ProductAttributeGroup> groups, IEnumerable<ProductAttributeOption> options, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 新增媒资。
     /// </summary>
+    /// <param name="assets">媒资集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddMediaAssetsAsync(IEnumerable<ProductMediaAsset> assets, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 新增定价规则。
     /// </summary>
+    /// <param name="rules">定价规则集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddPricingRulesAsync(IEnumerable<ProductPricingRule> rules, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 持久化变更。
     /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task SaveChangesAsync(CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 更新商品。
     /// </summary>
+    /// <param name="product">商品实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task UpdateProductAsync(Product product, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 删除商品。
     /// </summary>
+    /// <param name="productId">商品 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task DeleteProductAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 更新分类。
     /// </summary>
+    /// <param name="category">分类实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task UpdateCategoryAsync(ProductCategory category, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 删除分类。
     /// </summary>
+    /// <param name="categoryId">分类 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task DeleteCategoryAsync(long categoryId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 删除商品下的 SKU。
     /// </summary>
+    /// <param name="productId">商品 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task RemoveSkusAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 删除商品下的加料组及选项。
     /// </summary>
+    /// <param name="productId">商品 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task RemoveAddonGroupsAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 删除商品下的规格组及选项。
     /// </summary>
+    /// <param name="productId">商品 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task RemoveAttributeGroupsAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 删除商品媒资。
     /// </summary>
+    /// <param name="productId">商品 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task RemoveMediaAssetsAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 删除商品定价规则。
     /// </summary>
+    /// <param name="productId">商品 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task RemovePricingRulesAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
 }
diff --git a/src/Domain/TakeoutSaaS.Domain/Stores/Repositories/IStoreRepository.cs b/src/Domain/TakeoutSaaS.Domain/Stores/Repositories/IStoreRepository.cs
index bbbf7e0..c7ecd4a 100644
--- a/src/Domain/TakeoutSaaS.Domain/Stores/Repositories/IStoreRepository.cs
+++ b/src/Domain/TakeoutSaaS.Domain/Stores/Repositories/IStoreRepository.cs
@@ -1,6 +1,3 @@
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Domain.Stores.Entities;
 using TakeoutSaaS.Domain.Stores.Enums;
 
@@ -14,90 +11,152 @@ public interface IStoreRepository
     /// <summary>
     /// 依据标识获取门店。
     /// </summary>
+    /// <param name="storeId">门店 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>门店实体或 null。</returns>
     Task<Store?> FindByIdAsync(long storeId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 按租户筛选门店列表。
     /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="status">状态过滤。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>门店集合。</returns>
     Task<IReadOnlyList<Store>> SearchAsync(long tenantId, StoreStatus? status, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 获取门店营业时段。
     /// </summary>
+    /// <param name="storeId">门店 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>营业时段列表。</returns>
     Task<IReadOnlyList<StoreBusinessHour>> GetBusinessHoursAsync(long storeId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 获取门店配送区域配置。
     /// </summary>
+    /// <param name="storeId">门店 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>配送区域列表。</returns>
     Task<IReadOnlyList<StoreDeliveryZone>> GetDeliveryZonesAsync(long storeId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 获取门店节假日配置。
     /// </summary>
+    /// <param name="storeId">门店 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>节假日配置列表。</returns>
     Task<IReadOnlyList<StoreHoliday>> GetHolidaysAsync(long storeId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 获取门店桌台区域。
     /// </summary>
+    /// <param name="storeId">门店 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>桌台区域列表。</returns>
     Task<IReadOnlyList<StoreTableArea>> GetTableAreasAsync(long storeId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 获取门店桌台列表。
     /// </summary>
+    /// <param name="storeId">门店 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>桌台列表。</returns>
     Task<IReadOnlyList<StoreTable>> GetTablesAsync(long storeId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 获取门店员工排班。
     /// </summary>
+    /// <param name="storeId">门店 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>排班列表。</returns>
     Task<IReadOnlyList<StoreEmployeeShift>> GetShiftsAsync(long storeId, long tenantId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 新增门店。
     /// </summary>
+    /// <param name="store">门店实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddStoreAsync(Store store, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 新增营业时段。
     /// </summary>
+    /// <param name="hours">营业时段集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddBusinessHoursAsync(IEnumerable<StoreBusinessHour> hours, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 新增配送区域。
     /// </summary>
+    /// <param name="zones">配送区域集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddDeliveryZonesAsync(IEnumerable<StoreDeliveryZone> zones, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 新增节假日配置。
     /// </summary>
+    /// <param name="holidays">节假日集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddHolidaysAsync(IEnumerable<StoreHoliday> holidays, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 新增桌台区域。
     /// </summary>
+    /// <param name="areas">桌台区域集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddTableAreasAsync(IEnumerable<StoreTableArea> areas, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 新增桌台。
     /// </summary>
+    /// <param name="tables">桌台集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddTablesAsync(IEnumerable<StoreTable> tables, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 新增排班。
     /// </summary>
+    /// <param name="shifts">排班集合。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddShiftsAsync(IEnumerable<StoreEmployeeShift> shifts, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 持久化变更。
     /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task SaveChangesAsync(CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 更新门店。
     /// </summary>
+    /// <param name="store">门店实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task UpdateStoreAsync(Store store, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 删除门店。
     /// </summary>
+    /// <param name="storeId">门店 ID。</param>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task DeleteStoreAsync(long storeId, long tenantId, CancellationToken cancellationToken = default);
 }
diff --git a/src/Domain/TakeoutSaaS.Domain/SystemParameters/Repositories/ISystemParameterRepository.cs b/src/Domain/TakeoutSaaS.Domain/SystemParameters/Repositories/ISystemParameterRepository.cs
index c222342..ced9e53 100644
--- a/src/Domain/TakeoutSaaS.Domain/SystemParameters/Repositories/ISystemParameterRepository.cs
+++ b/src/Domain/TakeoutSaaS.Domain/SystemParameters/Repositories/ISystemParameterRepository.cs
@@ -1,6 +1,3 @@
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Domain.SystemParameters.Entities;
 
 namespace TakeoutSaaS.Domain.SystemParameters.Repositories;
@@ -13,35 +10,56 @@ public interface ISystemParameterRepository
     /// <summary>
     /// 根据标识获取系统参数。
     /// </summary>
+    /// <param name="id">参数 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>系统参数或 null。</returns>
     Task<SystemParameter?> FindByIdAsync(long id, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 根据键获取系统参数（当前租户）。
     /// </summary>
+    /// <param name="key">参数键。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>系统参数或 null。</returns>
     Task<SystemParameter?> FindByKeyAsync(string key, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 查询系统参数列表。
     /// </summary>
+    /// <param name="keyword">关键字。</param>
+    /// <param name="isEnabled">启用状态。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>参数列表。</returns>
     Task<IReadOnlyList<SystemParameter>> SearchAsync(string? keyword, bool? isEnabled, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 新增系统参数。
     /// </summary>
+    /// <param name="parameter">参数实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddAsync(SystemParameter parameter, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 删除系统参数。
     /// </summary>
+    /// <param name="parameter">参数实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task RemoveAsync(SystemParameter parameter, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 更新系统参数。
     /// </summary>
+    /// <param name="parameter">参数实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task UpdateAsync(SystemParameter parameter, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 持久化更改。
     /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task SaveChangesAsync(CancellationToken cancellationToken = default);
 }
diff --git a/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantAnnouncementReadRepository.cs b/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantAnnouncementReadRepository.cs
index ac76bc8..53af993 100644
--- a/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantAnnouncementReadRepository.cs
+++ b/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantAnnouncementReadRepository.cs
@@ -1,6 +1,3 @@
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Domain.Tenants.Entities;
 
 namespace TakeoutSaaS.Domain.Tenants.Repositories;
@@ -44,11 +41,13 @@ public interface ITenantAnnouncementReadRepository
     /// </summary>
     /// <param name="record">已读实体。</param>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddAsync(TenantAnnouncementRead record, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 保存变更。
     /// </summary>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task SaveChangesAsync(CancellationToken cancellationToken = default);
 }
diff --git a/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantAnnouncementRepository.cs b/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantAnnouncementRepository.cs
index c3e34b6..2314d10 100644
--- a/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantAnnouncementRepository.cs
+++ b/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantAnnouncementRepository.cs
@@ -1,6 +1,3 @@
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Domain.Tenants.Entities;
 using TakeoutSaaS.Domain.Tenants.Enums;
 
@@ -41,6 +38,7 @@ public interface ITenantAnnouncementRepository
     /// </summary>
     /// <param name="announcement">公告实体。</param>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddAsync(TenantAnnouncement announcement, CancellationToken cancellationToken = default);
 
     /// <summary>
@@ -48,6 +46,7 @@ public interface ITenantAnnouncementRepository
     /// </summary>
     /// <param name="announcement">公告实体。</param>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task UpdateAsync(TenantAnnouncement announcement, CancellationToken cancellationToken = default);
 
     /// <summary>
@@ -56,11 +55,13 @@ public interface ITenantAnnouncementRepository
     /// <param name="tenantId">租户 ID。</param>
     /// <param name="announcementId">公告 ID。</param>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task DeleteAsync(long tenantId, long announcementId, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 保存变更。
     /// </summary>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task SaveChangesAsync(CancellationToken cancellationToken = default);
 }
diff --git a/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantBillingRepository.cs b/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantBillingRepository.cs
index d4ddfa8..9edf1a4 100644
--- a/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantBillingRepository.cs
+++ b/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantBillingRepository.cs
@@ -1,6 +1,3 @@
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Domain.Tenants.Entities;
 using TakeoutSaaS.Domain.Tenants.Enums;
 
@@ -50,6 +47,7 @@ public interface ITenantBillingRepository
     /// </summary>
     /// <param name="bill">账单实体。</param>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddAsync(TenantBillingStatement bill, CancellationToken cancellationToken = default);
 
     /// <summary>
@@ -57,11 +55,13 @@ public interface ITenantBillingRepository
     /// </summary>
     /// <param name="bill">账单实体。</param>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task UpdateAsync(TenantBillingStatement bill, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 保存变更。
     /// </summary>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task SaveChangesAsync(CancellationToken cancellationToken = default);
 }
diff --git a/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantNotificationRepository.cs b/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantNotificationRepository.cs
index b66093d..c81f613 100644
--- a/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantNotificationRepository.cs
+++ b/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantNotificationRepository.cs
@@ -1,6 +1,3 @@
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Domain.Tenants.Entities;
 using TakeoutSaaS.Domain.Tenants.Enums;
 
@@ -43,6 +40,7 @@ public interface ITenantNotificationRepository
     /// </summary>
     /// <param name="notification">通知实体。</param>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddAsync(TenantNotification notification, CancellationToken cancellationToken = default);
 
     /// <summary>
@@ -50,11 +48,13 @@ public interface ITenantNotificationRepository
     /// </summary>
     /// <param name="notification">通知实体。</param>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task UpdateAsync(TenantNotification notification, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 保存变更。
     /// </summary>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task SaveChangesAsync(CancellationToken cancellationToken = default);
 }
diff --git a/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantPackageRepository.cs b/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantPackageRepository.cs
index 05e9f9f..4fe61d5 100644
--- a/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantPackageRepository.cs
+++ b/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantPackageRepository.cs
@@ -1,6 +1,3 @@
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Domain.Tenants.Entities;
 
 namespace TakeoutSaaS.Domain.Tenants.Repositories;
@@ -32,6 +29,7 @@ public interface ITenantPackageRepository
     /// </summary>
     /// <param name="package">套餐实体。</param>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddAsync(TenantPackage package, CancellationToken cancellationToken = default);
 
     /// <summary>
@@ -39,6 +37,7 @@ public interface ITenantPackageRepository
     /// </summary>
     /// <param name="package">套餐实体。</param>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task UpdateAsync(TenantPackage package, CancellationToken cancellationToken = default);
 
     /// <summary>
@@ -46,11 +45,13 @@ public interface ITenantPackageRepository
     /// </summary>
     /// <param name="id">套餐 ID（雪花算法）。</param>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task DeleteAsync(long id, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 持久化。
     /// </summary>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task SaveChangesAsync(CancellationToken cancellationToken = default);
 }
diff --git a/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantQuotaUsageRepository.cs b/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantQuotaUsageRepository.cs
index 07eae39..ff1b791 100644
--- a/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantQuotaUsageRepository.cs
+++ b/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantQuotaUsageRepository.cs
@@ -1,6 +1,3 @@
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Domain.Tenants.Entities;
 using TakeoutSaaS.Domain.Tenants.Enums;
 
@@ -33,6 +30,7 @@ public interface ITenantQuotaUsageRepository
     /// </summary>
     /// <param name="usage">配额使用实体。</param>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddAsync(TenantQuotaUsage usage, CancellationToken cancellationToken = default);
 
     /// <summary>
@@ -40,11 +38,13 @@ public interface ITenantQuotaUsageRepository
     /// </summary>
     /// <param name="usage">配额使用实体。</param>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task UpdateAsync(TenantQuotaUsage usage, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 持久化。
     /// </summary>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task SaveChangesAsync(CancellationToken cancellationToken = default);
 }
diff --git a/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantRepository.cs b/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantRepository.cs
index 33dedf9..c396852 100644
--- a/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantRepository.cs
+++ b/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantRepository.cs
@@ -1,5 +1,3 @@
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Domain.Tenants.Entities;
 using TakeoutSaaS.Domain.Tenants.Enums;
 
@@ -35,6 +33,7 @@ public interface ITenantRepository
     /// </summary>
     /// <param name="tenant">租户实体。</param>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddTenantAsync(Tenant tenant, CancellationToken cancellationToken = default);
 
     /// <summary>
@@ -42,6 +41,7 @@ public interface ITenantRepository
     /// </summary>
     /// <param name="tenant">租户实体。</param>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task UpdateTenantAsync(Tenant tenant, CancellationToken cancellationToken = default);
 
     /// <summary>
@@ -65,6 +65,7 @@ public interface ITenantRepository
     /// </summary>
     /// <param name="profile">实名资料实体。</param>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task UpsertVerificationProfileAsync(TenantVerificationProfile profile, CancellationToken cancellationToken = default);
 
     /// <summary>
@@ -89,6 +90,7 @@ public interface ITenantRepository
     /// </summary>
     /// <param name="subscription">订阅实体。</param>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddSubscriptionAsync(TenantSubscription subscription, CancellationToken cancellationToken = default);
 
     /// <summary>
@@ -96,6 +98,7 @@ public interface ITenantRepository
     /// </summary>
     /// <param name="subscription">订阅实体。</param>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task UpdateSubscriptionAsync(TenantSubscription subscription, CancellationToken cancellationToken = default);
 
     /// <summary>
@@ -103,6 +106,7 @@ public interface ITenantRepository
     /// </summary>
     /// <param name="history">订阅历史实体。</param>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddSubscriptionHistoryAsync(TenantSubscriptionHistory history, CancellationToken cancellationToken = default);
 
     /// <summary>
@@ -118,6 +122,7 @@ public interface ITenantRepository
     /// </summary>
     /// <param name="log">审核日志实体。</param>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task AddAuditLogAsync(TenantAuditLog log, CancellationToken cancellationToken = default);
 
     /// <summary>
@@ -132,5 +137,6 @@ public interface ITenantRepository
     /// 持久化。
     /// </summary>
     /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步任务。</returns>
     Task SaveChangesAsync(CancellationToken cancellationToken = default);
 }
diff --git a/src/Gateway/TakeoutSaaS.ApiGateway/Program.cs b/src/Gateway/TakeoutSaaS.ApiGateway/Program.cs
index c087384..6011bd9 100644
--- a/src/Gateway/TakeoutSaaS.ApiGateway/Program.cs
+++ b/src/Gateway/TakeoutSaaS.ApiGateway/Program.cs
@@ -1,16 +1,13 @@
-using System.Diagnostics;
-using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Diagnostics;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.HttpOverrides;
-using Microsoft.AspNetCore.RateLimiting;
 using OpenTelemetry.Logs;
 using OpenTelemetry.Metrics;
 using OpenTelemetry.Resources;
 using OpenTelemetry.Trace;
 using Serilog;
-using TakeoutSaaS.ApiGateway.Configuration;
+using System.Diagnostics;
 using System.Threading.RateLimiting;
+using TakeoutSaaS.ApiGateway.Configuration;
 
 const string CorsPolicyName = "GatewayCors";
 
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Options/AppSeedOptions.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Options/AppSeedOptions.cs
index b3ec66d..4099e12 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Options/AppSeedOptions.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Options/AppSeedOptions.cs
@@ -1,5 +1,3 @@
-using System.Collections.Generic;
-
 namespace TakeoutSaaS.Infrastructure.App.Options;
 
 /// <summary>
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Options/DictionarySeedGroupOptions.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Options/DictionarySeedGroupOptions.cs
index 2cec142..c59ebb4 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Options/DictionarySeedGroupOptions.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Options/DictionarySeedGroupOptions.cs
@@ -1,4 +1,3 @@
-using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
 using TakeoutSaaS.Domain.Dictionary.Enums;
 
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/AppDataSeeder.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/AppDataSeeder.cs
index 4072f0c..bd3fca8 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/AppDataSeeder.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/AppDataSeeder.cs
@@ -1,11 +1,9 @@
-using System.Linq;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
 using TakeoutSaaS.Domain.Dictionary.Entities;
-using TakeoutSaaS.Domain.Dictionary.Enums;
 using TakeoutSaaS.Domain.SystemParameters.Entities;
 using TakeoutSaaS.Domain.Tenants.Entities;
 using TakeoutSaaS.Domain.Tenants.Enums;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfDeliveryRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfDeliveryRepository.cs
index 2a67038..3bc734d 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfDeliveryRepository.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfDeliveryRepository.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using Microsoft.EntityFrameworkCore;
 using TakeoutSaaS.Domain.Deliveries.Entities;
 using TakeoutSaaS.Domain.Deliveries.Enums;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfMerchantCategoryRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfMerchantCategoryRepository.cs
index 8b83a3e..f832908 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfMerchantCategoryRepository.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfMerchantCategoryRepository.cs
@@ -1,5 +1,3 @@
-using System.Collections.Generic;
-using System.Linq;
 using Microsoft.EntityFrameworkCore;
 using TakeoutSaaS.Domain.Merchants.Entities;
 using TakeoutSaaS.Domain.Merchants.Repositories;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfMerchantRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfMerchantRepository.cs
index cef1a73..7aa7c65 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfMerchantRepository.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfMerchantRepository.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using Microsoft.EntityFrameworkCore;
 using TakeoutSaaS.Domain.Merchants.Entities;
 using TakeoutSaaS.Domain.Merchants.Enums;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfOrderRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfOrderRepository.cs
index b5a2c7f..ba663d4 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfOrderRepository.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfOrderRepository.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using Microsoft.EntityFrameworkCore;
 using TakeoutSaaS.Domain.Orders.Entities;
 using TakeoutSaaS.Domain.Orders.Enums;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfPaymentRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfPaymentRepository.cs
index 4178313..1b6ea8d 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfPaymentRepository.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfPaymentRepository.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using Microsoft.EntityFrameworkCore;
 using TakeoutSaaS.Domain.Payments.Entities;
 using TakeoutSaaS.Domain.Payments.Enums;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfProductRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfProductRepository.cs
index 244578a..a888990 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfProductRepository.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfProductRepository.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using Microsoft.EntityFrameworkCore;
 using TakeoutSaaS.Domain.Products.Entities;
 using TakeoutSaaS.Domain.Products.Enums;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfStoreRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfStoreRepository.cs
index 53f6b4f..c813978 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfStoreRepository.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfStoreRepository.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using Microsoft.EntityFrameworkCore;
 using TakeoutSaaS.Domain.Stores.Entities;
 using TakeoutSaaS.Domain.Stores.Enums;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantAnnouncementReadRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantAnnouncementReadRepository.cs
index 94b26a2..23236ae 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantAnnouncementReadRepository.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantAnnouncementReadRepository.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using Microsoft.EntityFrameworkCore;
 using TakeoutSaaS.Domain.Tenants.Entities;
 using TakeoutSaaS.Domain.Tenants.Repositories;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantAnnouncementRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantAnnouncementRepository.cs
index 404152f..5ed5afd 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantAnnouncementRepository.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantAnnouncementRepository.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using Microsoft.EntityFrameworkCore;
 using TakeoutSaaS.Domain.Tenants.Entities;
 using TakeoutSaaS.Domain.Tenants.Enums;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantBillingRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantBillingRepository.cs
index 3083de5..7b939d5 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantBillingRepository.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantBillingRepository.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using Microsoft.EntityFrameworkCore;
 using TakeoutSaaS.Domain.Tenants.Entities;
 using TakeoutSaaS.Domain.Tenants.Enums;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantNotificationRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantNotificationRepository.cs
index 56cea39..27417cd 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantNotificationRepository.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantNotificationRepository.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using Microsoft.EntityFrameworkCore;
 using TakeoutSaaS.Domain.Tenants.Entities;
 using TakeoutSaaS.Domain.Tenants.Enums;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantPackageRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantPackageRepository.cs
index 0a2cd22..d23b429 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantPackageRepository.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantPackageRepository.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using Microsoft.EntityFrameworkCore;
 using TakeoutSaaS.Domain.Tenants.Entities;
 using TakeoutSaaS.Domain.Tenants.Repositories;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantQuotaUsageRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantQuotaUsageRepository.cs
index 778bada..dd9c564 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantQuotaUsageRepository.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantQuotaUsageRepository.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using Microsoft.EntityFrameworkCore;
 using TakeoutSaaS.Domain.Tenants.Entities;
 using TakeoutSaaS.Domain.Tenants.Enums;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantRepository.cs
index 9c4ab49..850046d 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantRepository.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantRepository.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using Microsoft.EntityFrameworkCore;
 using TakeoutSaaS.Domain.Tenants.Entities;
 using TakeoutSaaS.Domain.Tenants.Enums;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Extensions/DatabaseServiceCollectionExtensions.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Extensions/DatabaseServiceCollectionExtensions.cs
index 4f50569..e9940a0 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Extensions/DatabaseServiceCollectionExtensions.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Extensions/DatabaseServiceCollectionExtensions.cs
@@ -3,8 +3,8 @@ using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using TakeoutSaaS.Infrastructure.Common.Options;
 using TakeoutSaaS.Infrastructure.Common.Persistence;
-using TakeoutSaaS.Shared.Abstractions.Ids;
 using TakeoutSaaS.Shared.Abstractions.Data;
+using TakeoutSaaS.Shared.Abstractions.Ids;
 using TakeoutSaaS.Shared.Kernel.Ids;
 
 namespace TakeoutSaaS.Infrastructure.Common.Extensions;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/AppDbContext.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/AppDbContext.cs
index 4733274..1f06200 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/AppDbContext.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/AppDbContext.cs
@@ -1,9 +1,9 @@
-using System.Reflection;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Metadata.Builders;
+using System.Reflection;
 using TakeoutSaaS.Shared.Abstractions.Entities;
-using TakeoutSaaS.Shared.Abstractions.Security;
 using TakeoutSaaS.Shared.Abstractions.Ids;
+using TakeoutSaaS.Shared.Abstractions.Security;
 
 namespace TakeoutSaaS.Infrastructure.Common.Persistence;
 
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/DapperExecutor.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/DapperExecutor.cs
index e0761aa..d9defe1 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/DapperExecutor.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/DapperExecutor.cs
@@ -1,6 +1,6 @@
-using System.Data;
 using Microsoft.Extensions.Logging;
 using Npgsql;
+using System.Data;
 using TakeoutSaaS.Shared.Abstractions.Data;
 
 namespace TakeoutSaaS.Infrastructure.Common.Persistence;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/DatabaseConnectionFactory.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/DatabaseConnectionFactory.cs
index 7852aaa..54fee08 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/DatabaseConnectionFactory.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/DatabaseConnectionFactory.cs
@@ -1,9 +1,8 @@
-using System.ComponentModel.DataAnnotations;
-using System.Linq;
-using System.Security.Cryptography;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
+using System.ComponentModel.DataAnnotations;
+using System.Security.Cryptography;
 using TakeoutSaaS.Infrastructure.Common.Options;
 using TakeoutSaaS.Shared.Abstractions.Data;
 
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/DesignTime/DesignTimeDbContextFactoryBase.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/DesignTime/DesignTimeDbContextFactoryBase.cs
index 5a2cf5f..a2dcba9 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/DesignTime/DesignTimeDbContextFactoryBase.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/DesignTime/DesignTimeDbContextFactoryBase.cs
@@ -1,6 +1,3 @@
-using System;
-using System.IO;
-using System.Linq;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Design;
 using Microsoft.Extensions.Configuration;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/ModelBuilderCommentExtensions.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/ModelBuilderCommentExtensions.cs
index e143c8f..193409c 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/ModelBuilderCommentExtensions.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/ModelBuilderCommentExtensions.cs
@@ -1,8 +1,8 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata;
 using System.Collections.Concurrent;
 using System.Reflection;
 using System.Xml.Linq;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Metadata;
 
 namespace TakeoutSaaS.Infrastructure.Common.Persistence;
 
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/TenantAwareDbContext.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/TenantAwareDbContext.cs
index f743d24..66e0f41 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/TenantAwareDbContext.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Common/Persistence/TenantAwareDbContext.cs
@@ -1,9 +1,9 @@
-using System.Reflection;
 using Microsoft.EntityFrameworkCore;
+using System.Reflection;
 using TakeoutSaaS.Shared.Abstractions.Entities;
+using TakeoutSaaS.Shared.Abstractions.Ids;
 using TakeoutSaaS.Shared.Abstractions.Security;
 using TakeoutSaaS.Shared.Abstractions.Tenancy;
-using TakeoutSaaS.Shared.Abstractions.Ids;
 
 namespace TakeoutSaaS.Infrastructure.Common.Persistence;
 
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Extensions/DictionaryServiceCollectionExtensions.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Extensions/DictionaryServiceCollectionExtensions.cs
index 41cc530..0055d45 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Extensions/DictionaryServiceCollectionExtensions.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Extensions/DictionaryServiceCollectionExtensions.cs
@@ -1,16 +1,14 @@
-using System;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using TakeoutSaaS.Application.Dictionary.Abstractions;
 using TakeoutSaaS.Domain.Dictionary.Repositories;
+using TakeoutSaaS.Domain.SystemParameters.Repositories;
 using TakeoutSaaS.Infrastructure.Common.Extensions;
-using TakeoutSaaS.Infrastructure.Common.Options;
 using TakeoutSaaS.Infrastructure.Dictionary.Options;
 using TakeoutSaaS.Infrastructure.Dictionary.Persistence;
 using TakeoutSaaS.Infrastructure.Dictionary.Repositories;
 using TakeoutSaaS.Infrastructure.Dictionary.Services;
 using TakeoutSaaS.Shared.Abstractions.Constants;
-using TakeoutSaaS.Domain.SystemParameters.Repositories;
 
 namespace TakeoutSaaS.Infrastructure.Dictionary.Extensions;
 
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/EfDictionaryRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/EfDictionaryRepository.cs
index 64e8608..4ce7005 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/EfDictionaryRepository.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/EfDictionaryRepository.cs
@@ -1,9 +1,8 @@
-using System.Linq;
 using Microsoft.EntityFrameworkCore;
-using TakeoutSaaS.Infrastructure.Dictionary.Persistence;
 using TakeoutSaaS.Domain.Dictionary.Entities;
 using TakeoutSaaS.Domain.Dictionary.Enums;
 using TakeoutSaaS.Domain.Dictionary.Repositories;
+using TakeoutSaaS.Infrastructure.Dictionary.Persistence;
 
 namespace TakeoutSaaS.Infrastructure.Dictionary.Repositories;
 
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/EfSystemParameterRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/EfSystemParameterRepository.cs
index 1ec7868..d7e515c 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/EfSystemParameterRepository.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Repositories/EfSystemParameterRepository.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using Microsoft.EntityFrameworkCore;
 using TakeoutSaaS.Domain.SystemParameters.Entities;
 using TakeoutSaaS.Domain.SystemParameters.Repositories;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Services/DistributedDictionaryCache.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Services/DistributedDictionaryCache.cs
index 372c467..4897f82 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Services/DistributedDictionaryCache.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Services/DistributedDictionaryCache.cs
@@ -1,6 +1,6 @@
-using System.Text.Json;
 using Microsoft.Extensions.Caching.Distributed;
 using Microsoft.Extensions.Options;
+using System.Text.Json;
 using TakeoutSaaS.Application.Dictionary.Abstractions;
 using TakeoutSaaS.Application.Dictionary.Models;
 using TakeoutSaaS.Infrastructure.Dictionary.Options;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Extensions/JwtAuthenticationExtensions.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Extensions/JwtAuthenticationExtensions.cs
index 79c475c..b346321 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Extensions/JwtAuthenticationExtensions.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Extensions/JwtAuthenticationExtensions.cs
@@ -1,11 +1,10 @@
-using System;
-using System.IdentityModel.Tokens.Jwt;
-using System.Security.Claims;
-using System.Text;
 using Microsoft.AspNetCore.Authentication.JwtBearer;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.IdentityModel.Tokens;
+using System.IdentityModel.Tokens.Jwt;
+using System.Security.Claims;
+using System.Text;
 using TakeoutSaaS.Infrastructure.Identity.Options;
 
 namespace TakeoutSaaS.Infrastructure.Identity.Extensions;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Extensions/ServiceCollectionExtensions.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Extensions/ServiceCollectionExtensions.cs
index d98587f..ef2fd47 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Extensions/ServiceCollectionExtensions.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Extensions/ServiceCollectionExtensions.cs
@@ -1,12 +1,9 @@
-using System;
 using Microsoft.AspNetCore.Identity;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using TakeoutSaaS.Application.Identity.Abstractions;
-using TakeoutSaaS.Domain.Identity.Entities;
 using TakeoutSaaS.Domain.Identity.Repositories;
 using TakeoutSaaS.Infrastructure.Common.Extensions;
-using TakeoutSaaS.Infrastructure.Common.Options;
 using TakeoutSaaS.Infrastructure.Identity.Options;
 using TakeoutSaaS.Infrastructure.Identity.Persistence;
 using TakeoutSaaS.Infrastructure.Identity.Services;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfIdentityUserRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfIdentityUserRepository.cs
index 02701f8..487428f 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfIdentityUserRepository.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfIdentityUserRepository.cs
@@ -1,7 +1,3 @@
-using System;
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
 using Microsoft.EntityFrameworkCore;
 using TakeoutSaaS.Domain.Identity.Entities;
 using TakeoutSaaS.Domain.Identity.Repositories;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfMiniUserRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfMiniUserRepository.cs
index 83c7b61..78c3d52 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfMiniUserRepository.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfMiniUserRepository.cs
@@ -1,6 +1,3 @@
-using System;
-using System.Threading;
-using System.Threading.Tasks;
 using Microsoft.EntityFrameworkCore;
 using TakeoutSaaS.Domain.Identity.Entities;
 using TakeoutSaaS.Domain.Identity.Repositories;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfPermissionRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfPermissionRepository.cs
index 37b7a0d..b8dbafc 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfPermissionRepository.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfPermissionRepository.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using Microsoft.EntityFrameworkCore;
 using TakeoutSaaS.Domain.Identity.Entities;
 using TakeoutSaaS.Domain.Identity.Repositories;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfRolePermissionRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfRolePermissionRepository.cs
index 30376da..0ba4322 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfRolePermissionRepository.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfRolePermissionRepository.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using Microsoft.EntityFrameworkCore;
 using TakeoutSaaS.Domain.Identity.Entities;
 using TakeoutSaaS.Domain.Identity.Repositories;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfRoleTemplateRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfRoleTemplateRepository.cs
index e8c071b..2f77700 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfRoleTemplateRepository.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfRoleTemplateRepository.cs
@@ -1,5 +1,3 @@
-using System.Collections.Generic;
-using System.Linq;
 using Microsoft.EntityFrameworkCore;
 using TakeoutSaaS.Domain.Identity.Entities;
 using TakeoutSaaS.Domain.Identity.Repositories;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/IdentityDataSeeder.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/IdentityDataSeeder.cs
index f4ec0a0..01c8da2 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/IdentityDataSeeder.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/IdentityDataSeeder.cs
@@ -1,5 +1,3 @@
-using System;
-using System.Linq;
 using Microsoft.AspNetCore.Identity;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.DependencyInjection;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/IdentityDbContext.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/IdentityDbContext.cs
index 854b265..268a7c0 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/IdentityDbContext.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/IdentityDbContext.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Metadata.Builders;
 using TakeoutSaaS.Domain.Identity.Entities;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/JwtTokenService.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/JwtTokenService.cs
index 78d3f0e..71c3080 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/JwtTokenService.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/JwtTokenService.cs
@@ -1,8 +1,8 @@
+using Microsoft.Extensions.Options;
+using Microsoft.IdentityModel.Tokens;
 using System.IdentityModel.Tokens.Jwt;
 using System.Security.Claims;
 using System.Text;
-using Microsoft.Extensions.Options;
-using Microsoft.IdentityModel.Tokens;
 using TakeoutSaaS.Application.Identity.Abstractions;
 using TakeoutSaaS.Application.Identity.Contracts;
 using TakeoutSaaS.Infrastructure.Identity.Options;
@@ -32,7 +32,7 @@ public sealed class JwtTokenService(IRefreshTokenStore refreshTokenStore, IOptio
 
         // 1. 构建 JWT Claims（包含用户 ID、账号、租户 ID、商户 ID、角色、权限等）
         var claims = BuildClaims(profile);
-        
+
         // 2. 创建签名凭据（使用 HMAC SHA256 算法）
         var signingCredentials = new SigningCredentials(
             new SymmetricSecurityKey(Encoding.UTF8.GetBytes(_options.Secret)),
@@ -49,7 +49,7 @@ public sealed class JwtTokenService(IRefreshTokenStore refreshTokenStore, IOptio
 
         // 4. 序列化 JWT 为字符串
         var accessToken = _tokenHandler.WriteToken(jwt);
-        
+
         // 5. 生成刷新令牌并存储到 Redis
         var refreshDescriptor = await refreshTokenStore.IssueAsync(profile.UserId, refreshExpires, cancellationToken);
 
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/RedisLoginRateLimiter.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/RedisLoginRateLimiter.cs
index e997c2e..3516290 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/RedisLoginRateLimiter.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/RedisLoginRateLimiter.cs
@@ -1,6 +1,3 @@
-using System;
-using System.Threading;
-using System.Threading.Tasks;
 using Microsoft.Extensions.Caching.Distributed;
 using Microsoft.Extensions.Options;
 using TakeoutSaaS.Application.Identity.Abstractions;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/RedisRefreshTokenStore.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/RedisRefreshTokenStore.cs
index 36105e9..6c5651e 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/RedisRefreshTokenStore.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/RedisRefreshTokenStore.cs
@@ -1,10 +1,7 @@
-using System;
-using System.Security.Cryptography;
-using System.Text.Json;
-using System.Threading;
-using System.Threading.Tasks;
 using Microsoft.Extensions.Caching.Distributed;
 using Microsoft.Extensions.Options;
+using System.Security.Cryptography;
+using System.Text.Json;
 using TakeoutSaaS.Application.Identity.Abstractions;
 using TakeoutSaaS.Application.Identity.Models;
 using TakeoutSaaS.Infrastructure.Identity.Options;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/WeChatAuthService.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/WeChatAuthService.cs
index 1bd8b1b..bbc6328 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/WeChatAuthService.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Services/WeChatAuthService.cs
@@ -1,10 +1,6 @@
-using System;
-using System.Net.Http;
+using Microsoft.Extensions.Options;
 using System.Net.Http.Json;
 using System.Text.Json.Serialization;
-using System.Threading;
-using System.Threading.Tasks;
-using Microsoft.Extensions.Options;
 using TakeoutSaaS.Application.Identity.Abstractions;
 using TakeoutSaaS.Infrastructure.Identity.Options;
 using TakeoutSaaS.Shared.Abstractions.Constants;
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251202005208_InitSnowflake_App.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251202005208_InitSnowflake_App.cs
index 4b31527..6e26a56 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251202005208_InitSnowflake_App.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20251202005208_InitSnowflake_App.cs
@@ -1,5 +1,4 @@
-using System;
-using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Migrations;
 using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
 
 #nullable disable
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251202005247_InitSnowflake_Dictionary.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251202005247_InitSnowflake_Dictionary.cs
index 374be49..7a1aa27 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251202005247_InitSnowflake_Dictionary.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251202005247_InitSnowflake_Dictionary.cs
@@ -1,5 +1,4 @@
-using System;
-using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Migrations;
 using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
 
 #nullable disable
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251202043204_AddSystemParametersTable.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251202043204_AddSystemParametersTable.cs
index 816fe03..27d688a 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251202043204_AddSystemParametersTable.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/DictionaryDb/20251202043204_AddSystemParametersTable.cs
@@ -1,5 +1,4 @@
-using System;
-using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Migrations;
 using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
 
 #nullable disable
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251202005226_InitSnowflake_Identity.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251202005226_InitSnowflake_Identity.cs
index 772ad91..4893332 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251202005226_InitSnowflake_Identity.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251202005226_InitSnowflake_Identity.cs
@@ -1,5 +1,4 @@
-using System;
-using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Migrations;
 using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
 
 #nullable disable
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251202084523_AddRbacModel.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251202084523_AddRbacModel.cs
index aa64905..42a404e 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251202084523_AddRbacModel.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251202084523_AddRbacModel.cs
@@ -1,5 +1,4 @@
-using System;
-using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Migrations;
 using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
 
 #nullable disable
diff --git a/src/Modules/TakeoutSaaS.Module.Authorization/Policies/PermissionAuthorizationHandler.cs b/src/Modules/TakeoutSaaS.Module.Authorization/Policies/PermissionAuthorizationHandler.cs
index b8df4fe..780e58d 100644
--- a/src/Modules/TakeoutSaaS.Module.Authorization/Policies/PermissionAuthorizationHandler.cs
+++ b/src/Modules/TakeoutSaaS.Module.Authorization/Policies/PermissionAuthorizationHandler.cs
@@ -1,6 +1,3 @@
-using System;
-using System.Linq;
-using System.Threading.Tasks;
 using Microsoft.AspNetCore.Authorization;
 
 namespace TakeoutSaaS.Module.Authorization.Policies;
diff --git a/src/Modules/TakeoutSaaS.Module.Delivery/TakeoutSaaS.Module.Delivery.csproj b/src/Modules/TakeoutSaaS.Module.Delivery/TakeoutSaaS.Module.Delivery.csproj
index b407eac..ff77596 100644
--- a/src/Modules/TakeoutSaaS.Module.Delivery/TakeoutSaaS.Module.Delivery.csproj
+++ b/src/Modules/TakeoutSaaS.Module.Delivery/TakeoutSaaS.Module.Delivery.csproj
@@ -4,6 +4,9 @@
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
+  <ItemGroup>
+    <None Include="..\..\..\.editorconfig" Link=".editorconfig" />
+  </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\Core\TakeoutSaaS.Shared.Abstractions\TakeoutSaaS.Shared.Abstractions.csproj" />
   </ItemGroup>
diff --git a/src/Modules/TakeoutSaaS.Module.Messaging/Abstractions/IMessagePublisher.cs b/src/Modules/TakeoutSaaS.Module.Messaging/Abstractions/IMessagePublisher.cs
index 666c554..456be39 100644
--- a/src/Modules/TakeoutSaaS.Module.Messaging/Abstractions/IMessagePublisher.cs
+++ b/src/Modules/TakeoutSaaS.Module.Messaging/Abstractions/IMessagePublisher.cs
@@ -1,6 +1,3 @@
-using System.Threading;
-using System.Threading.Tasks;
-
 namespace TakeoutSaaS.Module.Messaging.Abstractions;
 
 /// <summary>
diff --git a/src/Modules/TakeoutSaaS.Module.Messaging/Abstractions/IMessageSubscriber.cs b/src/Modules/TakeoutSaaS.Module.Messaging/Abstractions/IMessageSubscriber.cs
index 1e7e0bd..685c523 100644
--- a/src/Modules/TakeoutSaaS.Module.Messaging/Abstractions/IMessageSubscriber.cs
+++ b/src/Modules/TakeoutSaaS.Module.Messaging/Abstractions/IMessageSubscriber.cs
@@ -1,7 +1,3 @@
-using System;
-using System.Threading;
-using System.Threading.Tasks;
-
 namespace TakeoutSaaS.Module.Messaging.Abstractions;
 
 /// <summary>
diff --git a/src/Modules/TakeoutSaaS.Module.Messaging/Services/RabbitMqMessagePublisher.cs b/src/Modules/TakeoutSaaS.Module.Messaging/Services/RabbitMqMessagePublisher.cs
index 6506acb..3f2178c 100644
--- a/src/Modules/TakeoutSaaS.Module.Messaging/Services/RabbitMqMessagePublisher.cs
+++ b/src/Modules/TakeoutSaaS.Module.Messaging/Services/RabbitMqMessagePublisher.cs
@@ -1,5 +1,3 @@
-using System;
-using System.Text;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
 using RabbitMQ.Client;
diff --git a/src/Modules/TakeoutSaaS.Module.Scheduler/Abstractions/IRecurringJobRegistrar.cs b/src/Modules/TakeoutSaaS.Module.Scheduler/Abstractions/IRecurringJobRegistrar.cs
index 79f5a29..198da74 100644
--- a/src/Modules/TakeoutSaaS.Module.Scheduler/Abstractions/IRecurringJobRegistrar.cs
+++ b/src/Modules/TakeoutSaaS.Module.Scheduler/Abstractions/IRecurringJobRegistrar.cs
@@ -1,6 +1,3 @@
-using System.Threading;
-using System.Threading.Tasks;
-
 namespace TakeoutSaaS.Module.Scheduler.Abstractions;
 
 /// <summary>
diff --git a/src/Modules/TakeoutSaaS.Module.Sms/Abstractions/ISmsSender.cs b/src/Modules/TakeoutSaaS.Module.Sms/Abstractions/ISmsSender.cs
index 5cf7dd5..01380db 100644
--- a/src/Modules/TakeoutSaaS.Module.Sms/Abstractions/ISmsSender.cs
+++ b/src/Modules/TakeoutSaaS.Module.Sms/Abstractions/ISmsSender.cs
@@ -1,5 +1,3 @@
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Module.Sms.Models;
 
 namespace TakeoutSaaS.Module.Sms.Abstractions;
diff --git a/src/Modules/TakeoutSaaS.Module.Sms/Models/SmsSendRequest.cs b/src/Modules/TakeoutSaaS.Module.Sms/Models/SmsSendRequest.cs
index 643f299..fe3b333 100644
--- a/src/Modules/TakeoutSaaS.Module.Sms/Models/SmsSendRequest.cs
+++ b/src/Modules/TakeoutSaaS.Module.Sms/Models/SmsSendRequest.cs
@@ -1,5 +1,3 @@
-using System.Collections.Generic;
-
 namespace TakeoutSaaS.Module.Sms.Models;
 
 /// <summary>
diff --git a/src/Modules/TakeoutSaaS.Module.Sms/Options/SmsOptions.cs b/src/Modules/TakeoutSaaS.Module.Sms/Options/SmsOptions.cs
index 5520760..32c3ada 100644
--- a/src/Modules/TakeoutSaaS.Module.Sms/Options/SmsOptions.cs
+++ b/src/Modules/TakeoutSaaS.Module.Sms/Options/SmsOptions.cs
@@ -1,6 +1,4 @@
-using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
-using TakeoutSaaS.Module.Sms;
 
 namespace TakeoutSaaS.Module.Sms.Options;
 
diff --git a/src/Modules/TakeoutSaaS.Module.Sms/Services/AliyunSmsSender.cs b/src/Modules/TakeoutSaaS.Module.Sms/Services/AliyunSmsSender.cs
index 166d66e..11a4b2e 100644
--- a/src/Modules/TakeoutSaaS.Module.Sms/Services/AliyunSmsSender.cs
+++ b/src/Modules/TakeoutSaaS.Module.Sms/Services/AliyunSmsSender.cs
@@ -1,4 +1,3 @@
-using System.Net.Http;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
 using TakeoutSaaS.Module.Sms.Abstractions;
diff --git a/src/Modules/TakeoutSaaS.Module.Sms/Services/SmsSenderResolver.cs b/src/Modules/TakeoutSaaS.Module.Sms/Services/SmsSenderResolver.cs
index e47f6be..2d5906b 100644
--- a/src/Modules/TakeoutSaaS.Module.Sms/Services/SmsSenderResolver.cs
+++ b/src/Modules/TakeoutSaaS.Module.Sms/Services/SmsSenderResolver.cs
@@ -1,6 +1,3 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
 using Microsoft.Extensions.Options;
 using TakeoutSaaS.Module.Sms.Abstractions;
 using TakeoutSaaS.Module.Sms.Options;
diff --git a/src/Modules/TakeoutSaaS.Module.Sms/Services/TencentSmsSender.cs b/src/Modules/TakeoutSaaS.Module.Sms/Services/TencentSmsSender.cs
index 72f8083..ee14a8f 100644
--- a/src/Modules/TakeoutSaaS.Module.Sms/Services/TencentSmsSender.cs
+++ b/src/Modules/TakeoutSaaS.Module.Sms/Services/TencentSmsSender.cs
@@ -1,10 +1,9 @@
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
 using System.Globalization;
-using System.Net.Http;
 using System.Security.Cryptography;
 using System.Text;
 using System.Text.Json;
-using Microsoft.Extensions.Logging;
-using Microsoft.Extensions.Options;
 using TakeoutSaaS.Module.Sms.Abstractions;
 using TakeoutSaaS.Module.Sms.Models;
 using TakeoutSaaS.Module.Sms.Options;
diff --git a/src/Modules/TakeoutSaaS.Module.Storage/Abstractions/IObjectStorageProvider.cs b/src/Modules/TakeoutSaaS.Module.Storage/Abstractions/IObjectStorageProvider.cs
index c53009c..41b6e31 100644
--- a/src/Modules/TakeoutSaaS.Module.Storage/Abstractions/IObjectStorageProvider.cs
+++ b/src/Modules/TakeoutSaaS.Module.Storage/Abstractions/IObjectStorageProvider.cs
@@ -1,5 +1,3 @@
-using System.Threading;
-using System.Threading.Tasks;
 using TakeoutSaaS.Module.Storage.Models;
 
 namespace TakeoutSaaS.Module.Storage.Abstractions;
diff --git a/src/Modules/TakeoutSaaS.Module.Storage/Models/StorageDirectUploadResult.cs b/src/Modules/TakeoutSaaS.Module.Storage/Models/StorageDirectUploadResult.cs
index 8bfade5..15d11dd 100644
--- a/src/Modules/TakeoutSaaS.Module.Storage/Models/StorageDirectUploadResult.cs
+++ b/src/Modules/TakeoutSaaS.Module.Storage/Models/StorageDirectUploadResult.cs
@@ -1,6 +1,3 @@
-using System;
-using System.Collections.Generic;
-
 namespace TakeoutSaaS.Module.Storage.Models;
 
 /// <summary>
diff --git a/src/Modules/TakeoutSaaS.Module.Storage/Models/StorageUploadRequest.cs b/src/Modules/TakeoutSaaS.Module.Storage/Models/StorageUploadRequest.cs
index b718c18..795a614 100644
--- a/src/Modules/TakeoutSaaS.Module.Storage/Models/StorageUploadRequest.cs
+++ b/src/Modules/TakeoutSaaS.Module.Storage/Models/StorageUploadRequest.cs
@@ -1,6 +1,3 @@
-using System.Collections.Generic;
-using System.IO;
-
 namespace TakeoutSaaS.Module.Storage.Models;
 
 /// <summary>
diff --git a/src/Modules/TakeoutSaaS.Module.Storage/Providers/AliyunOssStorageProvider.cs b/src/Modules/TakeoutSaaS.Module.Storage/Providers/AliyunOssStorageProvider.cs
index b12fd4b..0244720 100644
--- a/src/Modules/TakeoutSaaS.Module.Storage/Providers/AliyunOssStorageProvider.cs
+++ b/src/Modules/TakeoutSaaS.Module.Storage/Providers/AliyunOssStorageProvider.cs
@@ -1,10 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Threading;
-using System.Threading.Tasks;
 using Aliyun.OSS;
-using Aliyun.OSS.Util;
 using Microsoft.Extensions.Options;
 using TakeoutSaaS.Module.Storage.Abstractions;
 using TakeoutSaaS.Module.Storage.Models;
diff --git a/src/Modules/TakeoutSaaS.Module.Storage/Providers/QiniuKodoStorageProvider.cs b/src/Modules/TakeoutSaaS.Module.Storage/Providers/QiniuKodoStorageProvider.cs
index df6b05d..bccb657 100644
--- a/src/Modules/TakeoutSaaS.Module.Storage/Providers/QiniuKodoStorageProvider.cs
+++ b/src/Modules/TakeoutSaaS.Module.Storage/Providers/QiniuKodoStorageProvider.cs
@@ -1,4 +1,3 @@
-using System;
 using Microsoft.Extensions.Options;
 using TakeoutSaaS.Module.Storage.Options;
 
diff --git a/src/Modules/TakeoutSaaS.Module.Storage/Providers/S3StorageProviderBase.cs b/src/Modules/TakeoutSaaS.Module.Storage/Providers/S3StorageProviderBase.cs
index f42e34c..0745830 100644
--- a/src/Modules/TakeoutSaaS.Module.Storage/Providers/S3StorageProviderBase.cs
+++ b/src/Modules/TakeoutSaaS.Module.Storage/Providers/S3StorageProviderBase.cs
@@ -1,8 +1,3 @@
-using System;
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
-using Amazon;
 using Amazon.Runtime;
 using Amazon.S3;
 using Amazon.S3.Model;
diff --git a/src/Modules/TakeoutSaaS.Module.Storage/Providers/TencentCosStorageProvider.cs b/src/Modules/TakeoutSaaS.Module.Storage/Providers/TencentCosStorageProvider.cs
index fdd7795..259d6e4 100644
--- a/src/Modules/TakeoutSaaS.Module.Storage/Providers/TencentCosStorageProvider.cs
+++ b/src/Modules/TakeoutSaaS.Module.Storage/Providers/TencentCosStorageProvider.cs
@@ -1,4 +1,3 @@
-using System;
 using Microsoft.Extensions.Options;
 using TakeoutSaaS.Module.Storage.Options;
 
diff --git a/src/Modules/TakeoutSaaS.Module.Storage/Services/StorageProviderResolver.cs b/src/Modules/TakeoutSaaS.Module.Storage/Services/StorageProviderResolver.cs
index 598d1ee..b1920c0 100644
--- a/src/Modules/TakeoutSaaS.Module.Storage/Services/StorageProviderResolver.cs
+++ b/src/Modules/TakeoutSaaS.Module.Storage/Services/StorageProviderResolver.cs
@@ -1,6 +1,3 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
 using Microsoft.Extensions.Options;
 using TakeoutSaaS.Module.Storage.Abstractions;
 using TakeoutSaaS.Module.Storage.Options;
diff --git a/src/Modules/TakeoutSaaS.Module.Tenancy/TenantContextAccessor.cs b/src/Modules/TakeoutSaaS.Module.Tenancy/TenantContextAccessor.cs
index 2a7f7ab..b3b0589 100644
--- a/src/Modules/TakeoutSaaS.Module.Tenancy/TenantContextAccessor.cs
+++ b/src/Modules/TakeoutSaaS.Module.Tenancy/TenantContextAccessor.cs
@@ -1,4 +1,3 @@
-using System.Threading;
 using TakeoutSaaS.Shared.Abstractions.Tenancy;
 
 namespace TakeoutSaaS.Module.Tenancy;
diff --git a/src/Modules/TakeoutSaaS.Module.Tenancy/TenantResolutionMiddleware.cs b/src/Modules/TakeoutSaaS.Module.Tenancy/TenantResolutionMiddleware.cs
index a5f6530..46c9770 100644
--- a/src/Modules/TakeoutSaaS.Module.Tenancy/TenantResolutionMiddleware.cs
+++ b/src/Modules/TakeoutSaaS.Module.Tenancy/TenantResolutionMiddleware.cs
@@ -1,4 +1,3 @@
-using System.Linq;
 using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
diff --git a/src/Modules/TakeoutSaaS.Module.Tenancy/TenantResolutionOptions.cs b/src/Modules/TakeoutSaaS.Module.Tenancy/TenantResolutionOptions.cs
index 7cd928d..e43afa3 100644
--- a/src/Modules/TakeoutSaaS.Module.Tenancy/TenantResolutionOptions.cs
+++ b/src/Modules/TakeoutSaaS.Module.Tenancy/TenantResolutionOptions.cs
@@ -33,7 +33,7 @@ public sealed class TenantResolutionOptions
     /// 根域（不含子域），用于形如 {tenant}.rootDomain 的场景，例如 admin.takeoutsaas.com。
     /// </summary>
     public string? RootDomain { get; set; }
-    
+
     /// <summary>
     /// 需要跳过租户解析的路径集合（如健康检查），默认仅包含 /health。
     /// </summary>
diff --git a/stylecop.json b/stylecop.json
new file mode 100644
index 0000000..c5f59ab
--- /dev/null
+++ b/stylecop.json
@@ -0,0 +1,7 @@
+{
+  "settings": {
+    "documentationRules": {
+      "documentationCulture": "zh-CN"
+    }
+  }
+}