diff --git a/src/Api/TakeoutSaaS.AdminApi/Controllers/TenantsController.cs b/src/Api/TakeoutSaaS.AdminApi/Controllers/TenantsController.cs
index 13c7a97..60835e6 100644
--- a/src/Api/TakeoutSaaS.AdminApi/Controllers/TenantsController.cs
+++ b/src/Api/TakeoutSaaS.AdminApi/Controllers/TenantsController.cs
@@ -1,6 +1,7 @@
 using MediatR;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
+using TakeoutSaaS.Application.App.Tenants.Commands;
 using TakeoutSaaS.Application.App.Tenants.Contracts;
 using TakeoutSaaS.Application.App.Tenants.Queries;
 using TakeoutSaaS.Module.Authorization.Attributes;
@@ -49,6 +50,28 @@ public sealed class TenantsController(IMediator mediator) : BaseApiController
         return ApiResponse<PagedResult<TenantListItemDto>>.Ok(result);
     }
 
+    /// <summary>
+    /// 后台手动新增租户（直接入驻：创建租户 + 认证 + 订阅 + 管理员账号）。
+    /// </summary>
+    /// <param name="command">新增租户命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>租户详情。</returns>
+    [HttpPost("manual")]
+    [PermissionAuthorize("tenant:create")]
+    [ProducesResponseType(typeof(ApiResponse<TenantDetailDto>), StatusCodes.Status200OK)]
+    [ProducesResponseType(typeof(ApiResponse<object>), StatusCodes.Status400BadRequest)]
+    [ProducesResponseType(typeof(ApiResponse<object>), StatusCodes.Status409Conflict)]
+    public async Task<ApiResponse<TenantDetailDto>> CreateManually(
+        [FromBody] CreateTenantManuallyCommand command,
+        CancellationToken cancellationToken = default)
+    {
+        // 1. 执行命令
+        var result = await mediator.Send(command, cancellationToken);
+
+        // 2. 返回租户详情
+        return ApiResponse<TenantDetailDto>.Ok(result);
+    }
+
     /// <summary>
     /// 获取租户详情（包含认证、订阅、套餐信息）。
     /// </summary>
@@ -76,6 +99,60 @@ public sealed class TenantsController(IMediator mediator) : BaseApiController
         return Ok(ApiResponse<TenantDetailDto>.Ok(result));
     }
 
+    /// <summary>
+    /// 更新租户基本信息。
+    /// </summary>
+    /// <param name="id">租户 ID（雪花算法）。</param>
+    /// <param name="command">更新命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>无内容。</returns>
+    [HttpPut("{id:long}")]
+    [PermissionAuthorize("tenant:update")]
+    [ProducesResponseType(typeof(ApiResponse<object>), StatusCodes.Status200OK)]
+    [ProducesResponseType(typeof(ApiResponse<object>), StatusCodes.Status400BadRequest)]
+    [ProducesResponseType(typeof(ApiResponse<object>), StatusCodes.Status404NotFound)]
+    public async Task<ApiResponse<object>> Update(
+        long id,
+        [FromBody] UpdateTenantCommand command,
+        CancellationToken cancellationToken = default)
+    {
+        // 1. 确保路径参数与请求体一致
+        var updatedCommand = command with { TenantId = id.ToString() };
+
+        // 2. 执行命令
+        await mediator.Send(updatedCommand, cancellationToken);
+
+        // 3. 返回成功
+        return ApiResponse<object>.Ok(null, "更新成功");
+    }
+
+    /// <summary>
+    /// 更新租户认证信息。
+    /// </summary>
+    /// <param name="id">租户 ID（雪花算法）。</param>
+    /// <param name="command">更新命令。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>无内容。</returns>
+    [HttpPut("{id:long}/verification")]
+    [PermissionAuthorize("tenant:update")]
+    [ProducesResponseType(typeof(ApiResponse<object>), StatusCodes.Status200OK)]
+    [ProducesResponseType(typeof(ApiResponse<object>), StatusCodes.Status400BadRequest)]
+    [ProducesResponseType(typeof(ApiResponse<object>), StatusCodes.Status404NotFound)]
+    public async Task<ApiResponse<object>> UpdateVerification(
+        long id,
+        [FromBody] UpdateTenantVerificationCommand command,
+        CancellationToken cancellationToken = default)
+    {
+        // 1. 确保路径参数与请求体一致
+        var updatedCommand = command with { TenantId = id.ToString() };
+
+        // 2. 执行命令
+        await mediator.Send(updatedCommand, cancellationToken);
+
+        // 3. 返回成功
+        return ApiResponse<object>.Ok(null, "更新成功");
+    }
+
     /// <summary>
     /// 获取租户配额使用情况。
     /// </summary>
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Contracts/BillingDetailDto.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Contracts/BillingDetailDto.cs
index b823afd..c4f11eb 100644
--- a/src/Application/TakeoutSaaS.Application/App/Billings/Contracts/BillingDetailDto.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Contracts/BillingDetailDto.cs
@@ -86,6 +86,11 @@ public sealed record BillingDetailDto
     /// </summary>
     public string? LineItemsJson { get; init; }
 
+    /// <summary>
+    /// 账单明细列表（从 LineItemsJson 解析）。
+    /// </summary>
+    public IReadOnlyList<BillingLineItemDto>? LineItems { get; init; }
+
     /// <summary>
     /// 备注。
     /// </summary>
@@ -195,3 +200,34 @@ public sealed record PaymentRecordDto
     /// </summary>
     public DateTime CreatedAt { get; init; }
 }
+
+/// <summary>
+/// 账单明细项 DTO。
+/// </summary>
+public sealed record BillingLineItemDto
+{
+    /// <summary>
+    /// 项目名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 单价。
+    /// </summary>
+    public decimal UnitPrice { get; init; }
+
+    /// <summary>
+    /// 数量。
+    /// </summary>
+    public int Quantity { get; init; }
+
+    /// <summary>
+    /// 金额。
+    /// </summary>
+    public decimal Amount { get; init; }
+
+    /// <summary>
+    /// 备注。
+    /// </summary>
+    public string? Remark { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetBillingDetailQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetBillingDetailQueryHandler.cs
index 396bb1c..fab93ca 100644
--- a/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetBillingDetailQueryHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Billings/Handlers/GetBillingDetailQueryHandler.cs
@@ -1,3 +1,4 @@
+using System.Text.Json;
 using MediatR;
 using TakeoutSaaS.Application.App.Billings.Contracts;
 using TakeoutSaaS.Application.App.Billings.Queries;
@@ -25,7 +26,43 @@ public sealed class GetBillingDetailQueryHandler(IBillingRepository billingRepos
             return null;
         }
 
-        // 3. 映射为 DTO 并返回（支付记录暂时返回空列表）
+        // 3. 查询支付记录
+        var payments = await billingRepository.GetPaymentsByBillingIdAsync(request.BillingId, cancellationToken);
+
+        // 4. 映射支付记录为 DTO
+        var paymentDtos = payments.Select(p => new PaymentRecordDto
+        {
+            Id = p.Id,
+            BillingStatementId = p.BillingStatementId,
+            Amount = p.Amount,
+            Method = (int)p.Method,
+            Status = (int)p.Status,
+            TransactionNo = p.TransactionNo,
+            ProofUrl = p.ProofUrl,
+            PaidAt = p.PaidAt,
+            Notes = p.Notes,
+            VerifiedBy = p.VerifiedBy,
+            VerifiedAt = p.VerifiedAt,
+            RefundReason = p.RefundReason,
+            RefundedAt = p.RefundedAt,
+            CreatedAt = p.CreatedAt
+        }).ToList();
+
+        // 5. 解析账单明细 JSON
+        List<BillingLineItemDto>? lineItems = null;
+        if (!string.IsNullOrEmpty(detail.LineItemsJson))
+        {
+            try
+            {
+                lineItems = JsonSerializer.Deserialize<List<BillingLineItemDto>>(detail.LineItemsJson);
+            }
+            catch
+            {
+                // 解析失败时忽略
+            }
+        }
+
+        // 6. 映射为 DTO 并返回
         return new BillingDetailDto
         {
             Id = detail.Id,
@@ -43,12 +80,13 @@ public sealed class GetBillingDetailQueryHandler(IBillingRepository billingRepos
             Status = detail.Status,
             DueDate = detail.DueDate,
             LineItemsJson = detail.LineItemsJson,
+            LineItems = lineItems,
             Notes = detail.Notes,
             OverdueNotifiedAt = detail.OverdueNotifiedAt,
             ReminderSentAt = detail.ReminderSentAt,
             CreatedAt = detail.CreatedAt,
             UpdatedAt = detail.UpdatedAt,
-            Payments = []
+            Payments = paymentDtos
         };
     }
 }
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/CreateTenantManuallyCommand.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/CreateTenantManuallyCommand.cs
new file mode 100644
index 0000000..69b404e
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/CreateTenantManuallyCommand.cs
@@ -0,0 +1,277 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Contracts;
+using TakeoutSaaS.Domain.Billings.Enums;
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Application.App.Tenants.Commands;
+
+/// <summary>
+/// 后台手动新增租户命令（直接入驻：创建租户 + 认证 + 订阅 + 管理员账号）。
+/// </summary>
+public sealed record CreateTenantManuallyCommand : IRequest<TenantDetailDto>
+{
+    // 1. 租户基本信息（public.tenants）
+
+    /// <summary>
+    /// 租户编码（唯一）。
+    /// </summary>
+    public required string Code { get; init; }
+
+    /// <summary>
+    /// 租户名称。
+    /// </summary>
+    public required string Name { get; init; }
+
+    /// <summary>
+    /// 租户简称。
+    /// </summary>
+    public string? ShortName { get; init; }
+
+    /// <summary>
+    /// 法人/公司主体名称。
+    /// </summary>
+    public string? LegalEntityName { get; init; }
+
+    /// <summary>
+    /// 所属行业。
+    /// </summary>
+    public string? Industry { get; init; }
+
+    /// <summary>
+    /// LOGO 图片地址。
+    /// </summary>
+    public string? LogoUrl { get; init; }
+
+    /// <summary>
+    /// 封面图地址。
+    /// </summary>
+    public string? CoverImageUrl { get; init; }
+
+    /// <summary>
+    /// 官网地址。
+    /// </summary>
+    public string? Website { get; init; }
+
+    /// <summary>
+    /// 国家/地区。
+    /// </summary>
+    public string? Country { get; init; }
+
+    /// <summary>
+    /// 省份。
+    /// </summary>
+    public string? Province { get; init; }
+
+    /// <summary>
+    /// 城市。
+    /// </summary>
+    public string? City { get; init; }
+
+    /// <summary>
+    /// 详细地址。
+    /// </summary>
+    public string? Address { get; init; }
+
+    /// <summary>
+    /// 联系人姓名。
+    /// </summary>
+    public string? ContactName { get; init; }
+
+    /// <summary>
+    /// 联系人电话。
+    /// </summary>
+    public string? ContactPhone { get; init; }
+
+    /// <summary>
+    /// 联系人邮箱。
+    /// </summary>
+    public string? ContactEmail { get; init; }
+
+    /// <summary>
+    /// 标签（逗号分隔）。
+    /// </summary>
+    public string? Tags { get; init; }
+
+    /// <summary>
+    /// 备注。
+    /// </summary>
+    public string? Remarks { get; init; }
+
+    /// <summary>
+    /// 暂停时间。
+    /// </summary>
+    public DateTime? SuspendedAt { get; init; }
+
+    /// <summary>
+    /// 暂停原因。
+    /// </summary>
+    public string? SuspensionReason { get; init; }
+
+    /// <summary>
+    /// 租户状态。
+    /// </summary>
+    public TenantStatus TenantStatus { get; init; } = TenantStatus.Active;
+
+    // 2. 订阅信息（public.tenant_subscriptions）
+
+    /// <summary>
+    /// 套餐 ID（雪花算法，字符串传输）。
+    /// </summary>
+    public required string TenantPackageId { get; init; }
+
+    /// <summary>
+    /// 订阅时长（月）。
+    /// </summary>
+    public int DurationMonths { get; init; } = 12;
+
+    /// <summary>
+    /// 是否自动续费。
+    /// </summary>
+    public bool AutoRenew { get; init; }
+
+    /// <summary>
+    /// 订阅生效时间。
+    /// </summary>
+    public DateTime? SubscriptionEffectiveFrom { get; init; }
+
+    /// <summary>
+    /// 下次计费日期。
+    /// </summary>
+    public DateTime? NextBillingDate { get; init; }
+
+    /// <summary>
+    /// 订阅状态（0=待激活, 1=生效中, 2=宽限期, 3=已取消, 4=已暂停）。
+    /// </summary>
+    public SubscriptionStatus SubscriptionStatus { get; init; } = SubscriptionStatus.Active;
+
+    /// <summary>
+    /// 预约变更的套餐 ID。
+    /// </summary>
+    public string? ScheduledPackageId { get; init; }
+
+    /// <summary>
+    /// 订阅备注。
+    /// </summary>
+    public string? SubscriptionNotes { get; init; }
+
+    // 3. 认证信息（public.tenant_verification_profiles）
+
+    /// <summary>
+    /// 认证状态。
+    /// </summary>
+    public TenantVerificationStatus VerificationStatus { get; init; } = TenantVerificationStatus.Approved;
+
+    /// <summary>
+    /// 营业执照号。
+    /// </summary>
+    public string? BusinessLicenseNumber { get; init; }
+
+    /// <summary>
+    /// 营业执照图片 URL。
+    /// </summary>
+    public string? BusinessLicenseUrl { get; init; }
+
+    /// <summary>
+    /// 法人姓名。
+    /// </summary>
+    public string? LegalPersonName { get; init; }
+
+    /// <summary>
+    /// 法人身份证号。
+    /// </summary>
+    public string? LegalPersonIdNumber { get; init; }
+
+    /// <summary>
+    /// 法人身份证正面 URL。
+    /// </summary>
+    public string? LegalPersonIdFrontUrl { get; init; }
+
+    /// <summary>
+    /// 法人身份证背面 URL。
+    /// </summary>
+    public string? LegalPersonIdBackUrl { get; init; }
+
+    /// <summary>
+    /// 银行账户名。
+    /// </summary>
+    public string? BankAccountName { get; init; }
+
+    /// <summary>
+    /// 银行账号。
+    /// </summary>
+    public string? BankAccountNumber { get; init; }
+
+    /// <summary>
+    /// 开户银行。
+    /// </summary>
+    public string? BankName { get; init; }
+
+    /// <summary>
+    /// 附加数据 JSON。
+    /// </summary>
+    public string? AdditionalDataJson { get; init; }
+
+    /// <summary>
+    /// 审核人姓名。
+    /// </summary>
+    public string? ReviewedByName { get; init; }
+
+    /// <summary>
+    /// 审核备注。
+    /// </summary>
+    public string? ReviewRemarks { get; init; }
+
+    // 4. 管理员账号（identity.identity_users）
+
+    /// <summary>
+    /// 管理员登录账号。
+    /// </summary>
+    public required string AdminAccount { get; init; }
+
+    /// <summary>
+    /// 管理员显示名称。
+    /// </summary>
+    public required string AdminDisplayName { get; init; }
+
+    /// <summary>
+    /// 管理员密码（明文，后端哈希）。
+    /// </summary>
+    public required string AdminPassword { get; init; }
+
+    /// <summary>
+    /// 管理员头像。
+    /// </summary>
+    public string? AdminAvatar { get; init; }
+
+    /// <summary>
+    /// 管理员所属商户 ID。
+    /// </summary>
+    public string? AdminMerchantId { get; init; }
+
+    // 5. 账单信息（public.tenant_billing_statements）
+
+    /// <summary>
+    /// 是否创建账单。
+    /// </summary>
+    public bool CreateBilling { get; init; } = true;
+
+    /// <summary>
+    /// 账单金额（不填则根据套餐价格×月数计算）。
+    /// </summary>
+    public decimal? BillingAmount { get; init; }
+
+    /// <summary>
+    /// 折扣金额。
+    /// </summary>
+    public decimal? BillingDiscountAmount { get; init; }
+
+    /// <summary>
+    /// 账单状态（默认已支付）。
+    /// </summary>
+    public TenantBillingStatus BillingStatus { get; init; } = TenantBillingStatus.Paid;
+
+    /// <summary>
+    /// 账单备注。
+    /// </summary>
+    public string? BillingNotes { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/UpdateTenantCommand.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/UpdateTenantCommand.cs
new file mode 100644
index 0000000..0d50ae8
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/UpdateTenantCommand.cs
@@ -0,0 +1,94 @@
+using MediatR;
+
+namespace TakeoutSaaS.Application.App.Tenants.Commands;
+
+/// <summary>
+/// 更新租户基本信息命令。
+/// </summary>
+public sealed record UpdateTenantCommand : IRequest
+{
+    /// <summary>
+    /// 租户 ID（雪花算法，字符串传输）。
+    /// </summary>
+    public required string TenantId { get; init; }
+
+    /// <summary>
+    /// 租户名称。
+    /// </summary>
+    public required string Name { get; init; }
+
+    /// <summary>
+    /// 租户简称。
+    /// </summary>
+    public string? ShortName { get; init; }
+
+    /// <summary>
+    /// 法人/公司主体名称。
+    /// </summary>
+    public string? LegalEntityName { get; init; }
+
+    /// <summary>
+    /// 所属行业。
+    /// </summary>
+    public string? Industry { get; init; }
+
+    /// <summary>
+    /// LOGO 图片地址。
+    /// </summary>
+    public string? LogoUrl { get; init; }
+
+    /// <summary>
+    /// 封面图地址。
+    /// </summary>
+    public string? CoverImageUrl { get; init; }
+
+    /// <summary>
+    /// 官网地址。
+    /// </summary>
+    public string? Website { get; init; }
+
+    /// <summary>
+    /// 国家/地区。
+    /// </summary>
+    public string? Country { get; init; }
+
+    /// <summary>
+    /// 省份。
+    /// </summary>
+    public string? Province { get; init; }
+
+    /// <summary>
+    /// 城市。
+    /// </summary>
+    public string? City { get; init; }
+
+    /// <summary>
+    /// 详细地址。
+    /// </summary>
+    public string? Address { get; init; }
+
+    /// <summary>
+    /// 联系人姓名。
+    /// </summary>
+    public string? ContactName { get; init; }
+
+    /// <summary>
+    /// 联系人电话。
+    /// </summary>
+    public string? ContactPhone { get; init; }
+
+    /// <summary>
+    /// 联系人邮箱。
+    /// </summary>
+    public string? ContactEmail { get; init; }
+
+    /// <summary>
+    /// 标签（逗号分隔）。
+    /// </summary>
+    public string? Tags { get; init; }
+
+    /// <summary>
+    /// 备注。
+    /// </summary>
+    public string? Remarks { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/UpdateTenantVerificationCommand.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/UpdateTenantVerificationCommand.cs
new file mode 100644
index 0000000..82b4252
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Commands/UpdateTenantVerificationCommand.cs
@@ -0,0 +1,75 @@
+using MediatR;
+using TakeoutSaaS.Domain.Tenants.Enums;
+
+namespace TakeoutSaaS.Application.App.Tenants.Commands;
+
+/// <summary>
+/// 更新租户认证信息命令。
+/// </summary>
+public sealed record UpdateTenantVerificationCommand : IRequest
+{
+    /// <summary>
+    /// 租户 ID（雪花算法，字符串传输）。
+    /// </summary>
+    public required string TenantId { get; init; }
+
+    /// <summary>
+    /// 认证状态。
+    /// </summary>
+    public TenantVerificationStatus? VerificationStatus { get; init; }
+
+    /// <summary>
+    /// 营业执照号。
+    /// </summary>
+    public string? BusinessLicenseNumber { get; init; }
+
+    /// <summary>
+    /// 营业执照图片 URL。
+    /// </summary>
+    public string? BusinessLicenseUrl { get; init; }
+
+    /// <summary>
+    /// 法人姓名。
+    /// </summary>
+    public string? LegalPersonName { get; init; }
+
+    /// <summary>
+    /// 法人身份证号。
+    /// </summary>
+    public string? LegalPersonIdNumber { get; init; }
+
+    /// <summary>
+    /// 法人身份证正面 URL。
+    /// </summary>
+    public string? LegalPersonIdFrontUrl { get; init; }
+
+    /// <summary>
+    /// 法人身份证背面 URL。
+    /// </summary>
+    public string? LegalPersonIdBackUrl { get; init; }
+
+    /// <summary>
+    /// 银行账户名。
+    /// </summary>
+    public string? BankAccountName { get; init; }
+
+    /// <summary>
+    /// 银行账号。
+    /// </summary>
+    public string? BankAccountNumber { get; init; }
+
+    /// <summary>
+    /// 开户银行。
+    /// </summary>
+    public string? BankName { get; init; }
+
+    /// <summary>
+    /// 附加数据 JSON。
+    /// </summary>
+    public string? AdditionalDataJson { get; init; }
+
+    /// <summary>
+    /// 审核备注。
+    /// </summary>
+    public string? ReviewRemarks { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Contracts/TenantListItemDto.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Contracts/TenantListItemDto.cs
index 7500979..791b8ab 100644
--- a/src/Application/TakeoutSaaS.Application/App/Tenants/Contracts/TenantListItemDto.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Contracts/TenantListItemDto.cs
@@ -5,7 +5,7 @@ using TakeoutSaaS.Shared.Abstractions.Serialization;
 namespace TakeoutSaaS.Application.App.Tenants.Contracts;
 
 /// <summary>
-/// 租户列表项 DTO（用于下拉选择器）。
+/// 租户列表项 DTO。
 /// </summary>
 public sealed class TenantListItemDto
 {
@@ -30,8 +30,28 @@ public sealed class TenantListItemDto
     /// </summary>
     public string? ShortName { get; init; }
 
+    /// <summary>
+    /// 联系人姓名。
+    /// </summary>
+    public string? ContactName { get; init; }
+
+    /// <summary>
+    /// 联系人电话。
+    /// </summary>
+    public string? ContactPhone { get; init; }
+
     /// <summary>
     /// 租户状态。
     /// </summary>
     public TenantStatus Status { get; init; }
+
+    /// <summary>
+    /// 认证状态。
+    /// </summary>
+    public TenantVerificationStatus VerificationStatus { get; init; }
+
+    /// <summary>
+    /// 服务到期时间。
+    /// </summary>
+    public DateTime? EffectiveTo { get; init; }
 }
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/CreateTenantManuallyCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/CreateTenantManuallyCommandHandler.cs
new file mode 100644
index 0000000..7ecf1f9
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/CreateTenantManuallyCommandHandler.cs
@@ -0,0 +1,562 @@
+using MediatR;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Tenants.Commands;
+using TakeoutSaaS.Application.App.Tenants.Contracts;
+using TakeoutSaaS.Application.App.Tenants.Queries;
+using TakeoutSaaS.Domain.Billings.Entities;
+using TakeoutSaaS.Domain.Billings.Enums;
+using TakeoutSaaS.Domain.Identity.Entities;
+using TakeoutSaaS.Domain.Identity.Enums;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Ids;
+using TakeoutSaaS.Shared.Abstractions.Security;
+
+namespace TakeoutSaaS.Application.App.Tenants.Handlers;
+
+/// <summary>
+/// 后台手动新增租户命令处理器。
+/// </summary>
+/// <remarks>
+/// 该操作涉及跨数据库（App + Identity）写入，采用 Saga 补偿模式保证数据一致性：
+/// 1. 先在 Identity 库创建管理员账号
+/// 2. 再在 App 库创建租户、订阅、认证资料
+/// 3. 如果步骤 2 失败，回滚步骤 1（删除管理员账号）
+/// </remarks>
+public sealed class CreateTenantManuallyCommandHandler(
+    ITenantRepository tenantRepository,
+    ITenantPackageRepository tenantPackageRepository,
+    IIdentityUserRepository identityUserRepository,
+    IPasswordHasher<IdentityUser> passwordHasher,
+    ICurrentUserAccessor currentUserAccessor,
+    IIdGenerator idGenerator,
+    IMediator mediator,
+    ILogger<CreateTenantManuallyCommandHandler> logger)
+    : IRequestHandler<CreateTenantManuallyCommand, TenantDetailDto>
+{
+    /// <inheritdoc />
+    public async Task<TenantDetailDto> Handle(CreateTenantManuallyCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 规范化输入
+        var code = request.Code.Trim();
+        var name = request.Name.Trim();
+        var adminAccount = request.AdminAccount.Trim();
+        var adminDisplayName = request.AdminDisplayName.Trim();
+
+        // 2. 解析套餐 ID
+        if (!long.TryParse(request.TenantPackageId, out var tenantPackageId) || tenantPackageId <= 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "套餐 ID 无效");
+        }
+
+        // 3. 解析可选的预约套餐 ID
+        long? scheduledPackageId = null;
+        if (!string.IsNullOrWhiteSpace(request.ScheduledPackageId))
+        {
+            if (!long.TryParse(request.ScheduledPackageId, out var parsedScheduledId) || parsedScheduledId <= 0)
+            {
+                throw new BusinessException(ErrorCodes.BadRequest, "预约套餐 ID 无效");
+            }
+
+            scheduledPackageId = parsedScheduledId;
+        }
+
+        // 4. 解析可选的管理员商户 ID
+        long? adminMerchantId = null;
+        if (!string.IsNullOrWhiteSpace(request.AdminMerchantId))
+        {
+            if (!long.TryParse(request.AdminMerchantId, out var parsedMerchantId) || parsedMerchantId <= 0)
+            {
+                throw new BusinessException(ErrorCodes.BadRequest, "管理员商户 ID 无效");
+            }
+
+            adminMerchantId = parsedMerchantId;
+        }
+
+        // 5. 校验租户编码唯一性
+        if (await tenantRepository.ExistsByCodeAsync(code, null, cancellationToken))
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "租户编码已存在");
+        }
+
+        // 6. 校验套餐存在性
+        var package = await tenantPackageRepository.GetByIdAsync(tenantPackageId, cancellationToken);
+        if (package is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "套餐不存在");
+        }
+
+        // 7. 生成租户 ID
+        var tenantId = idGenerator.NextId();
+
+        // 8. 校验管理员账号唯一性（租户内）
+        if (await identityUserRepository.ExistsByAccountAsync(PortalType.Tenant, tenantId, adminAccount, null, cancellationToken))
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "管理员账号已存在");
+        }
+
+        // 9. 计算订阅时间
+        var effectiveFrom = request.SubscriptionEffectiveFrom ?? DateTime.UtcNow;
+        var effectiveTo = effectiveFrom.AddMonths(request.DurationMonths);
+        var nextBillingDate = request.NextBillingDate ?? effectiveTo;
+
+        // 10. 创建管理员账号实体
+        var adminUser = new IdentityUser
+        {
+            Id = idGenerator.NextId(),
+            Portal = PortalType.Tenant,
+            TenantId = tenantId,
+            Account = adminAccount,
+            DisplayName = adminDisplayName,
+            PasswordHash = string.Empty,
+            Phone = request.ContactPhone?.Trim(),
+            Email = request.ContactEmail?.Trim(),
+            Status = IdentityUserStatus.Active,
+            FailedLoginCount = 0,
+            LockedUntil = null,
+            LastLoginAt = null,
+            MustChangePassword = false,
+            MerchantId = adminMerchantId,
+            Avatar = request.AdminAvatar?.Trim()
+        };
+        adminUser.PasswordHash = passwordHasher.HashPassword(adminUser, request.AdminPassword);
+
+        // 11. 【Saga 步骤 1】先在 Identity 库创建管理员账号
+        await identityUserRepository.AddAsync(adminUser, cancellationToken);
+        await identityUserRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("租户 {TenantId} 管理员账号 {AdminUserId} 创建成功", tenantId, adminUser.Id);
+
+        try
+        {
+            // 12. 创建租户实体
+            var tenant = new Tenant
+            {
+                Id = tenantId,
+                Code = code,
+                Name = name,
+                ShortName = request.ShortName?.Trim(),
+                LegalEntityName = request.LegalEntityName?.Trim(),
+                Industry = request.Industry?.Trim(),
+                LogoUrl = request.LogoUrl?.Trim(),
+                CoverImageUrl = request.CoverImageUrl?.Trim(),
+                Website = request.Website?.Trim(),
+                Country = request.Country?.Trim(),
+                Province = request.Province?.Trim(),
+                City = request.City?.Trim(),
+                Address = request.Address?.Trim(),
+                ContactName = request.ContactName?.Trim(),
+                ContactPhone = request.ContactPhone?.Trim(),
+                ContactEmail = request.ContactEmail?.Trim(),
+                Tags = request.Tags?.Trim(),
+                Remarks = request.Remarks?.Trim(),
+                Status = request.TenantStatus,
+                SuspendedAt = request.SuspendedAt,
+                SuspensionReason = request.SuspensionReason?.Trim(),
+                EffectiveFrom = effectiveFrom,
+                EffectiveTo = effectiveTo,
+                PrimaryOwnerUserId = adminUser.Id
+            };
+
+            // 13. 创建订阅实体
+            var subscription = new TenantSubscription
+            {
+                Id = idGenerator.NextId(),
+                TenantId = tenantId,
+                TenantPackageId = tenantPackageId,
+                Status = request.SubscriptionStatus,
+                EffectiveFrom = effectiveFrom,
+                EffectiveTo = effectiveTo,
+                NextBillingDate = nextBillingDate,
+                AutoRenew = request.AutoRenew,
+                ScheduledPackageId = scheduledPackageId,
+                Notes = request.SubscriptionNotes?.Trim()
+            };
+
+            // 14. 创建认证资料实体
+            var verification = new TenantVerificationProfile
+            {
+                Id = idGenerator.NextId(),
+                TenantId = tenantId,
+                Status = request.VerificationStatus,
+                BusinessLicenseNumber = request.BusinessLicenseNumber?.Trim(),
+                BusinessLicenseUrl = request.BusinessLicenseUrl?.Trim(),
+                LegalPersonName = request.LegalPersonName?.Trim(),
+                LegalPersonIdNumber = request.LegalPersonIdNumber?.Trim(),
+                LegalPersonIdFrontUrl = request.LegalPersonIdFrontUrl?.Trim(),
+                LegalPersonIdBackUrl = request.LegalPersonIdBackUrl?.Trim(),
+                BankAccountName = request.BankAccountName?.Trim(),
+                BankAccountNumber = request.BankAccountNumber?.Trim(),
+                BankName = request.BankName?.Trim(),
+                AdditionalDataJson = request.AdditionalDataJson?.Trim(),
+                SubmittedAt = DateTime.UtcNow,
+                ReviewedAt = request.VerificationStatus == TenantVerificationStatus.Approved ? DateTime.UtcNow : null,
+                ReviewedBy = request.VerificationStatus == TenantVerificationStatus.Approved ? currentUserAccessor.UserId : null,
+                ReviewedByName = request.ReviewedByName?.Trim(),
+                ReviewRemarks = request.ReviewRemarks?.Trim()
+            };
+
+            // 15. 根据套餐配额创建配额使用记录
+            var quotaUsages = CreateQuotaUsagesFromPackage(tenantId, package);
+
+            // 16. 创建账单记录和支付记录（可选）
+            TenantBillingStatement? billing = null;
+            TenantPayment? payment = null;
+            if (request.CreateBilling)
+            {
+                billing = CreateBillingFromSubscription(
+                    tenantId,
+                    subscription.Id,
+                    package,
+                    quotaUsages,
+                    effectiveFrom,
+                    effectiveTo,
+                    request.DurationMonths,
+                    request.BillingAmount,
+                    request.BillingDiscountAmount ?? 0,
+                    request.BillingStatus,
+                    request.BillingNotes);
+
+                // 17. 如果账单状态为已支付，创建支付记录
+                if (request.BillingStatus == TenantBillingStatus.Paid && billing.AmountDue > 0)
+                {
+                    payment = CreatePaymentFromBilling(tenantId, billing);
+                }
+            }
+
+            // 18. 【Saga 步骤 2】在 App 库创建租户、订阅、认证资料、配额使用记录、账单、支付记录（使用事务）
+            await tenantRepository.CreateTenantWithRelatedDataAsync(tenant, subscription, verification, quotaUsages, billing, payment, cancellationToken);
+            logger.LogInformation("租户 {TenantId} 及相关数据创建成功", tenantId);
+        }
+        catch (Exception ex)
+        {
+            // 16. 【Saga 补偿】App 库操作失败，回滚 Identity 库的管理员账号
+            // 记录完整异常信息（包括内部异常）
+            var fullErrorMessage = ex.InnerException?.Message ?? ex.Message;
+            logger.LogError(ex, "租户 {TenantId} 创建失败，错误详情：{ErrorDetail}，开始回滚管理员账号 {AdminUserId}",
+                tenantId, fullErrorMessage, adminUser.Id);
+
+            try
+            {
+                await identityUserRepository.RemoveAsync(adminUser, cancellationToken);
+                await identityUserRepository.SaveChangesAsync(cancellationToken);
+                logger.LogInformation("管理员账号 {AdminUserId} 回滚成功", adminUser.Id);
+            }
+            catch (Exception rollbackEx)
+            {
+                // 17. 补偿失败，记录严重错误（需要人工介入）
+                logger.LogCritical(
+                    rollbackEx,
+                    "严重：租户 {TenantId} 创建失败且管理员账号 {AdminUserId} 回滚失败，需要人工介入清理",
+                    tenantId,
+                    adminUser.Id);
+            }
+
+            // 18. 重新抛出业务异常（包含详细错误信息）
+            throw new BusinessException(ErrorCodes.InternalServerError, $"创建租户失败：{fullErrorMessage}");
+        }
+
+        // 19. 查询并返回租户详情
+        var detail = await mediator.Send(new GetTenantDetailQuery { TenantId = tenantId }, cancellationToken);
+        return detail ?? throw new BusinessException(ErrorCodes.InternalServerError, "创建租户成功但查询详情失败");
+    }
+
+    /// <summary>
+    /// 根据套餐配额创建配额使用记录列表。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="package">套餐实体。</param>
+    /// <returns>配额使用记录列表。</returns>
+    private List<TenantQuotaUsage> CreateQuotaUsagesFromPackage(long tenantId, TenantPackage package)
+    {
+        var quotaUsages = new List<TenantQuotaUsage>();
+        var now = DateTime.UtcNow;
+
+        // 1. 门店数量配额
+        if (package.MaxStoreCount.HasValue)
+        {
+            quotaUsages.Add(new TenantQuotaUsage
+            {
+                Id = idGenerator.NextId(),
+                TenantId = tenantId,
+                QuotaType = TenantQuotaType.Store,
+                LimitValue = package.MaxStoreCount.Value,
+                UsedValue = 0,
+                ResetCycle = null,
+                LastResetAt = now
+            });
+        }
+
+        // 2. 账号数量配额
+        if (package.MaxAccountCount.HasValue)
+        {
+            quotaUsages.Add(new TenantQuotaUsage
+            {
+                Id = idGenerator.NextId(),
+                TenantId = tenantId,
+                QuotaType = TenantQuotaType.Account,
+                LimitValue = package.MaxAccountCount.Value,
+                UsedValue = 0,
+                ResetCycle = null,
+                LastResetAt = now
+            });
+        }
+
+        // 3. 存储空间配额
+        if (package.MaxStorageGb.HasValue)
+        {
+            quotaUsages.Add(new TenantQuotaUsage
+            {
+                Id = idGenerator.NextId(),
+                TenantId = tenantId,
+                QuotaType = TenantQuotaType.StorageGb,
+                LimitValue = package.MaxStorageGb.Value,
+                UsedValue = 0,
+                ResetCycle = null,
+                LastResetAt = now
+            });
+        }
+
+        // 4. 短信额度配额（按月重置）
+        if (package.MaxSmsCredits.HasValue)
+        {
+            quotaUsages.Add(new TenantQuotaUsage
+            {
+                Id = idGenerator.NextId(),
+                TenantId = tenantId,
+                QuotaType = TenantQuotaType.SmsCredits,
+                LimitValue = package.MaxSmsCredits.Value,
+                UsedValue = 0,
+                ResetCycle = "monthly",
+                LastResetAt = now
+            });
+        }
+
+        // 5. 配送订单数配额（按月重置）
+        if (package.MaxDeliveryOrders.HasValue)
+        {
+            quotaUsages.Add(new TenantQuotaUsage
+            {
+                Id = idGenerator.NextId(),
+                TenantId = tenantId,
+                QuotaType = TenantQuotaType.DeliveryOrders,
+                LimitValue = package.MaxDeliveryOrders.Value,
+                UsedValue = 0,
+                ResetCycle = "monthly",
+                LastResetAt = now
+            });
+        }
+
+        return quotaUsages;
+    }
+
+    /// <summary>
+    /// 根据订阅信息创建账单实体。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="subscriptionId">订阅 ID。</param>
+    /// <param name="package">套餐实体。</param>
+    /// <param name="quotaUsages">配额使用记录列表。</param>
+    /// <param name="periodStart">账单周期开始时间。</param>
+    /// <param name="periodEnd">账单周期结束时间。</param>
+    /// <param name="durationMonths">订阅时长（月）。</param>
+    /// <param name="billingAmount">指定账单金额（可选）。</param>
+    /// <param name="discountAmount">折扣金额。</param>
+    /// <param name="status">账单状态。</param>
+    /// <param name="notes">账单备注。</param>
+    /// <returns>账单实体。</returns>
+    private TenantBillingStatement CreateBillingFromSubscription(
+        long tenantId,
+        long subscriptionId,
+        TenantPackage package,
+        IReadOnlyList<TenantQuotaUsage> quotaUsages,
+        DateTime periodStart,
+        DateTime periodEnd,
+        int durationMonths,
+        decimal? billingAmount,
+        decimal discountAmount,
+        TenantBillingStatus status,
+        string? notes)
+    {
+        // 1. 构建账单明细列表
+        var lineItems = new List<BillingLineItem>();
+
+        // 2. 添加套餐费用明细
+        decimal packageAmount = 0;
+        if (durationMonths >= 12 && package.YearlyPrice.HasValue)
+        {
+            var years = durationMonths / 12;
+            var remainingMonths = durationMonths % 12;
+            packageAmount = package.YearlyPrice.Value * years;
+
+            lineItems.Add(new BillingLineItem
+            {
+                Name = $"{package.Name}（年付 × {years}年）",
+                UnitPrice = package.YearlyPrice.Value,
+                Quantity = years,
+                Amount = package.YearlyPrice.Value * years
+            });
+
+            if (remainingMonths > 0 && package.MonthlyPrice.HasValue)
+            {
+                var monthlyAmount = package.MonthlyPrice.Value * remainingMonths;
+                packageAmount += monthlyAmount;
+                lineItems.Add(new BillingLineItem
+                {
+                    Name = $"{package.Name}（月付 × {remainingMonths}月）",
+                    UnitPrice = package.MonthlyPrice.Value,
+                    Quantity = remainingMonths,
+                    Amount = monthlyAmount
+                });
+            }
+        }
+        else if (package.MonthlyPrice.HasValue)
+        {
+            packageAmount = package.MonthlyPrice.Value * durationMonths;
+            lineItems.Add(new BillingLineItem
+            {
+                Name = $"{package.Name}（月付 × {durationMonths}月）",
+                UnitPrice = package.MonthlyPrice.Value,
+                Quantity = durationMonths,
+                Amount = packageAmount
+            });
+        }
+        else
+        {
+            lineItems.Add(new BillingLineItem
+            {
+                Name = $"{package.Name}（免费套餐）",
+                UnitPrice = 0,
+                Quantity = durationMonths,
+                Amount = 0
+            });
+        }
+
+        // 3. 添加配额包明细（免费赠送）
+        foreach (var quota in quotaUsages)
+        {
+            var quotaName = quota.QuotaType switch
+            {
+                TenantQuotaType.Store => $"门店配额（{quota.LimitValue}个）",
+                TenantQuotaType.Account => $"账号配额（{quota.LimitValue}个）",
+                TenantQuotaType.StorageGb => $"存储空间（{quota.LimitValue}GB）",
+                TenantQuotaType.SmsCredits => $"短信额度（{quota.LimitValue}条/月）",
+                TenantQuotaType.DeliveryOrders => $"配送订单（{quota.LimitValue}单/月）",
+                _ => $"配额（{quota.LimitValue}）"
+            };
+
+            lineItems.Add(new BillingLineItem
+            {
+                Name = quotaName,
+                UnitPrice = 0,
+                Quantity = 1,
+                Amount = 0,
+                Remark = "套餐赠送"
+            });
+        }
+
+        // 4. 添加折扣明细
+        if (discountAmount > 0)
+        {
+            lineItems.Add(new BillingLineItem
+            {
+                Name = "优惠折扣",
+                UnitPrice = -discountAmount,
+                Quantity = 1,
+                Amount = -discountAmount
+            });
+        }
+
+        // 5. 计算账单金额
+        decimal amountDue = billingAmount ?? Math.Max(0, packageAmount - discountAmount);
+
+        // 6. 生成账单编号：BILL-{YYYYMMDD}-{ID后8位}
+        var billingId = idGenerator.NextId();
+        var datePart = DateTime.UtcNow.ToString("yyyyMMdd");
+        var idSuffix = billingId.ToString().PadLeft(8, '0')[^8..];
+        var statementNo = $"BILL-{datePart}-{idSuffix}";
+
+        // 7. 序列化账单明细为 JSON
+        var lineItemsJson = System.Text.Json.JsonSerializer.Serialize(lineItems);
+
+        // 8. 创建账单实体
+        return new TenantBillingStatement
+        {
+            Id = billingId,
+            TenantId = tenantId,
+            StatementNo = statementNo,
+            BillingType = TenantBillingType.Subscription,
+            PeriodStart = periodStart,
+            PeriodEnd = periodEnd,
+            AmountDue = amountDue,
+            AmountPaid = status == TenantBillingStatus.Paid ? amountDue : 0,
+            DiscountAmount = discountAmount,
+            TaxAmount = 0,
+            Currency = "CNY",
+            Status = status,
+            DueDate = periodEnd,
+            LineItemsJson = lineItemsJson,
+            Notes = notes?.Trim(),
+            SubscriptionId = subscriptionId,
+            CreatedAt = DateTime.UtcNow
+        };
+    }
+
+    /// <summary>
+    /// 根据账单创建支付记录。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="billing">账单实体。</param>
+    /// <returns>支付记录实体。</returns>
+    private TenantPayment CreatePaymentFromBilling(long tenantId, TenantBillingStatement billing)
+    {
+        return new TenantPayment
+        {
+            Id = idGenerator.NextId(),
+            TenantId = tenantId,
+            BillingStatementId = billing.Id,
+            Amount = billing.AmountDue,
+            Method = TenantPaymentMethod.Other,
+            Status = TenantPaymentStatus.Success,
+            TransactionNo = $"MANUAL-{billing.StatementNo}",
+            PaidAt = DateTime.UtcNow,
+            Notes = "手动创建租户时自动生成",
+            CreatedAt = DateTime.UtcNow
+        };
+    }
+}
+
+/// <summary>
+/// 账单明细项。
+/// </summary>
+internal sealed class BillingLineItem
+{
+    /// <summary>
+    /// 项目名称。
+    /// </summary>
+    public string Name { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 单价。
+    /// </summary>
+    public decimal UnitPrice { get; init; }
+
+    /// <summary>
+    /// 数量。
+    /// </summary>
+    public int Quantity { get; init; }
+
+    /// <summary>
+    /// 金额。
+    /// </summary>
+    public decimal Amount { get; init; }
+
+    /// <summary>
+    /// 备注。
+    /// </summary>
+    public string? Remark { get; init; }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/ListTenantsQueryHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/ListTenantsQueryHandler.cs
index 672db5a..8db27b8 100644
--- a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/ListTenantsQueryHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/ListTenantsQueryHandler.cs
@@ -1,6 +1,7 @@
 using MediatR;
 using TakeoutSaaS.Application.App.Tenants.Contracts;
 using TakeoutSaaS.Application.App.Tenants.Queries;
+using TakeoutSaaS.Domain.Tenants.Enums;
 using TakeoutSaaS.Domain.Tenants.Repositories;
 using TakeoutSaaS.Shared.Abstractions.Results;
 
@@ -36,7 +37,11 @@ public sealed class ListTenantsQueryHandler(ITenantRepository tenantRepository)
             Code = t.Code,
             Name = t.Name,
             ShortName = t.ShortName,
-            Status = t.Status
+            ContactName = t.ContactName,
+            ContactPhone = t.ContactPhone,
+            Status = t.Status,
+            VerificationStatus = TenantVerificationStatus.Approved, // TODO: 从认证表查询
+            EffectiveTo = t.EffectiveTo
         }).ToArray();
 
         // 5. 返回分页结果
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/UpdateTenantCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/UpdateTenantCommandHandler.cs
new file mode 100644
index 0000000..157bdbb
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/UpdateTenantCommandHandler.cs
@@ -0,0 +1,52 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Commands;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+
+namespace TakeoutSaaS.Application.App.Tenants.Handlers;
+
+/// <summary>
+/// 更新租户基本信息命令处理器。
+/// </summary>
+public sealed class UpdateTenantCommandHandler(ITenantRepository tenantRepository)
+    : IRequestHandler<UpdateTenantCommand>
+{
+    /// <inheritdoc />
+    public async Task Handle(UpdateTenantCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 解析租户 ID
+        if (!long.TryParse(request.TenantId, out var tenantId) || tenantId <= 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "租户 ID 无效");
+        }
+
+        // 2. 获取租户（带跟踪）
+        var tenant = await tenantRepository.GetByIdForUpdateAsync(tenantId, cancellationToken);
+        if (tenant is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "租户不存在");
+        }
+
+        // 3. 更新租户信息
+        tenant.Name = request.Name.Trim();
+        tenant.ShortName = request.ShortName?.Trim();
+        tenant.LegalEntityName = request.LegalEntityName?.Trim();
+        tenant.Industry = request.Industry?.Trim();
+        tenant.LogoUrl = request.LogoUrl?.Trim();
+        tenant.CoverImageUrl = request.CoverImageUrl?.Trim();
+        tenant.Website = request.Website?.Trim();
+        tenant.Country = request.Country?.Trim();
+        tenant.Province = request.Province?.Trim();
+        tenant.City = request.City?.Trim();
+        tenant.Address = request.Address?.Trim();
+        tenant.ContactName = request.ContactName?.Trim();
+        tenant.ContactPhone = request.ContactPhone?.Trim();
+        tenant.ContactEmail = request.ContactEmail?.Trim();
+        tenant.Tags = request.Tags?.Trim();
+        tenant.Remarks = request.Remarks?.Trim();
+
+        // 4. 保存变更
+        await tenantRepository.SaveChangesAsync(cancellationToken);
+    }
+}
diff --git a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/UpdateTenantVerificationCommandHandler.cs b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/UpdateTenantVerificationCommandHandler.cs
new file mode 100644
index 0000000..545d777
--- /dev/null
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/UpdateTenantVerificationCommandHandler.cs
@@ -0,0 +1,63 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Commands;
+using TakeoutSaaS.Domain.Tenants.Enums;
+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;
+
+/// <summary>
+/// 更新租户认证信息命令处理器。
+/// </summary>
+public sealed class UpdateTenantVerificationCommandHandler(
+    ITenantRepository tenantRepository,
+    ICurrentUserAccessor currentUserAccessor)
+    : IRequestHandler<UpdateTenantVerificationCommand>
+{
+    /// <inheritdoc />
+    public async Task Handle(UpdateTenantVerificationCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 解析租户 ID
+        if (!long.TryParse(request.TenantId, out var tenantId) || tenantId <= 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "租户 ID 无效");
+        }
+
+        // 2. 获取认证资料（带跟踪）
+        var verification = await tenantRepository.GetVerificationForUpdateAsync(tenantId, cancellationToken);
+        if (verification is null)
+        {
+            throw new BusinessException(ErrorCodes.NotFound, "租户认证资料不存在");
+        }
+
+        // 3. 更新认证信息
+        if (request.VerificationStatus.HasValue)
+        {
+            verification.Status = request.VerificationStatus.Value;
+
+            // 4. 如果状态变更为已审核，记录审核信息
+            if (request.VerificationStatus.Value == TenantVerificationStatus.Approved)
+            {
+                verification.ReviewedAt = DateTime.UtcNow;
+                verification.ReviewedBy = currentUserAccessor.UserId;
+            }
+        }
+
+        verification.BusinessLicenseNumber = request.BusinessLicenseNumber?.Trim();
+        verification.BusinessLicenseUrl = request.BusinessLicenseUrl?.Trim();
+        verification.LegalPersonName = request.LegalPersonName?.Trim();
+        verification.LegalPersonIdNumber = request.LegalPersonIdNumber?.Trim();
+        verification.LegalPersonIdFrontUrl = request.LegalPersonIdFrontUrl?.Trim();
+        verification.LegalPersonIdBackUrl = request.LegalPersonIdBackUrl?.Trim();
+        verification.BankAccountName = request.BankAccountName?.Trim();
+        verification.BankAccountNumber = request.BankAccountNumber?.Trim();
+        verification.BankName = request.BankName?.Trim();
+        verification.AdditionalDataJson = request.AdditionalDataJson?.Trim();
+        verification.ReviewRemarks = request.ReviewRemarks?.Trim();
+
+        // 5. 保存变更
+        await tenantRepository.SaveChangesAsync(cancellationToken);
+    }
+}
diff --git a/src/Domain/TakeoutSaaS.Domain/Billings/Repositories/IBillingRepository.cs b/src/Domain/TakeoutSaaS.Domain/Billings/Repositories/IBillingRepository.cs
index 0a6f6cf..18bd217 100644
--- a/src/Domain/TakeoutSaaS.Domain/Billings/Repositories/IBillingRepository.cs
+++ b/src/Domain/TakeoutSaaS.Domain/Billings/Repositories/IBillingRepository.cs
@@ -78,6 +78,14 @@ public interface IBillingRepository
     /// <param name="cancellationToken">取消标记。</param>
     /// <returns>异步操作任务。</returns>
     Task AddPaymentAsync(TenantPayment payment, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 获取账单的支付记录列表。
+    /// </summary>
+    /// <param name="billingStatementId">账单 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>支付记录列表。</returns>
+    Task<IReadOnlyList<TenantPayment>> GetPaymentsByBillingIdAsync(long billingStatementId, CancellationToken cancellationToken = default);
 }
 
 /// <summary>
diff --git a/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantRepository.cs b/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantRepository.cs
index dd86329..72c84b1 100644
--- a/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantRepository.cs
+++ b/src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantRepository.cs
@@ -4,7 +4,7 @@ using TakeoutSaaS.Domain.Tenants.Entities;
 namespace TakeoutSaaS.Domain.Tenants.Repositories;
 
 /// <summary>
-/// 租户只读仓储（AdminApi 使用）。
+/// 租户仓储（AdminApi 使用）。
 /// </summary>
 public interface ITenantRepository
 {
@@ -24,6 +24,15 @@ public interface ITenantRepository
     /// <returns>租户列表（仅返回找到的租户）。</returns>
     Task<IReadOnlyList<Tenant>> FindByIdsAsync(IReadOnlyCollection<long> tenantIds, CancellationToken cancellationToken = default);
 
+    /// <summary>
+    /// 根据编码查询租户是否存在。
+    /// </summary>
+    /// <param name="code">租户编码。</param>
+    /// <param name="excludeTenantId">排除的租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>存在返回 true。</returns>
+    Task<bool> ExistsByCodeAsync(string code, long? excludeTenantId = null, CancellationToken cancellationToken = default);
+
     /// <summary>
     /// 获取所有租户列表（用于下拉选择器）。
     /// </summary>
@@ -61,6 +70,73 @@ public interface ITenantRepository
         int page,
         int pageSize,
         CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 在事务中批量创建租户及相关数据。
+    /// </summary>
+    /// <param name="tenant">租户实体。</param>
+    /// <param name="subscription">订阅实体。</param>
+    /// <param name="verification">认证资料实体。</param>
+    /// <param name="quotaUsages">配额使用记录列表。</param>
+    /// <param name="billing">账单实体（可选）。</param>
+    /// <param name="payment">支付记录实体（可选）。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步操作任务。</returns>
+    Task CreateTenantWithRelatedDataAsync(
+        Tenant tenant,
+        TenantSubscription subscription,
+        TenantVerificationProfile verification,
+        IReadOnlyList<TenantQuotaUsage> quotaUsages,
+        TenantBillingStatement? billing,
+        TenantPayment? payment,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 根据 ID 获取租户（用于更新，带跟踪）。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>租户实体，不存在则返回 null。</returns>
+    Task<Tenant?> GetByIdForUpdateAsync(long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 根据租户 ID 获取认证资料（用于更新，带跟踪）。
+    /// </summary>
+    /// <param name="tenantId">租户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>认证资料实体，不存在则返回 null。</returns>
+    Task<TenantVerificationProfile?> GetVerificationForUpdateAsync(long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增租户。
+    /// </summary>
+    /// <param name="tenant">租户实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步操作任务。</returns>
+    Task AddAsync(Tenant tenant, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增租户订阅。
+    /// </summary>
+    /// <param name="subscription">订阅实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步操作任务。</returns>
+    Task AddSubscriptionAsync(TenantSubscription subscription, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增租户认证资料。
+    /// </summary>
+    /// <param name="verification">认证资料实体。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步操作任务。</returns>
+    Task AddVerificationAsync(TenantVerificationProfile verification, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 保存仓储变更。
+    /// </summary>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>异步操作任务。</returns>
+    Task SaveChangesAsync(CancellationToken cancellationToken = default);
 }
 
 /// <summary>
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfBillingRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfBillingRepository.cs
index b71f161..c0ffd45 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfBillingRepository.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfBillingRepository.cs
@@ -238,4 +238,15 @@ public sealed class EfBillingRepository(TakeoutAdminDbContext context) : IBillin
         // 1. 添加支付记录
         await context.TenantPayments.AddAsync(payment, cancellationToken);
     }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<TenantPayment>> GetPaymentsByBillingIdAsync(long billingStatementId, CancellationToken cancellationToken = default)
+    {
+        // 1. 查询账单的支付记录（排除已删除，按创建时间排序）
+        return await context.TenantPayments
+            .AsNoTracking()
+            .Where(p => p.BillingStatementId == billingStatementId && p.DeletedAt == null)
+            .OrderBy(p => p.CreatedAt)
+            .ToListAsync(cancellationToken);
+    }
 }
diff --git a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantRepository.cs b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantRepository.cs
index f67dee5..ddc0d86 100644
--- a/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantRepository.cs
+++ b/src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantRepository.cs
@@ -7,7 +7,7 @@ using TakeoutSaaS.Infrastructure.App.Persistence;
 namespace TakeoutSaaS.Infrastructure.App.Repositories;
 
 /// <summary>
-/// 租户只读仓储实现（AdminApi 使用）。
+/// 租户仓储实现（AdminApi 使用）。
 /// </summary>
 public sealed class EfTenantRepository(TakeoutAdminDbContext context) : ITenantRepository
 {
@@ -36,6 +36,24 @@ public sealed class EfTenantRepository(TakeoutAdminDbContext context) : ITenantR
             .ToListAsync(cancellationToken);
     }
 
+    /// <inheritdoc />
+    public async Task<bool> ExistsByCodeAsync(string code, long? excludeTenantId = null, CancellationToken cancellationToken = default)
+    {
+        // 1. 构建查询
+        var query = context.Tenants
+            .AsNoTracking()
+            .Where(x => x.Code == code && x.DeletedAt == null);
+
+        // 2. 排除指定租户
+        if (excludeTenantId.HasValue)
+        {
+            query = query.Where(x => x.Id != excludeTenantId.Value);
+        }
+
+        // 3. 返回是否存在
+        return await query.AnyAsync(cancellationToken);
+    }
+
     /// <inheritdoc />
     public async Task<IReadOnlyList<Tenant>> GetAllAsync(string? keyword, CancellationToken cancellationToken = default)
     {
@@ -123,4 +141,99 @@ public sealed class EfTenantRepository(TakeoutAdminDbContext context) : ITenantR
         // 4. 返回结果
         return (items, totalCount);
     }
+
+    /// <inheritdoc />
+    public async Task CreateTenantWithRelatedDataAsync(
+        Tenant tenant,
+        TenantSubscription subscription,
+        TenantVerificationProfile verification,
+        IReadOnlyList<TenantQuotaUsage> quotaUsages,
+        TenantBillingStatement? billing,
+        TenantPayment? payment,
+        CancellationToken cancellationToken = default)
+    {
+        // 1. 使用执行策略保证可靠性
+        var strategy = context.Database.CreateExecutionStrategy();
+        await strategy.ExecuteAsync(async () =>
+        {
+            // 2. 开启事务
+            await using var transaction = await context.Database.BeginTransactionAsync(cancellationToken);
+
+            // 3. 批量添加实体
+            await context.Tenants.AddAsync(tenant, cancellationToken);
+            await context.TenantSubscriptions.AddAsync(subscription, cancellationToken);
+            await context.TenantVerificationProfiles.AddAsync(verification, cancellationToken);
+
+            // 4. 添加配额使用记录
+            if (quotaUsages.Count > 0)
+            {
+                await context.TenantQuotaUsages.AddRangeAsync(quotaUsages, cancellationToken);
+            }
+
+            // 5. 添加账单记录
+            if (billing is not null)
+            {
+                await context.TenantBillingStatements.AddAsync(billing, cancellationToken);
+            }
+
+            // 6. 添加支付记录
+            if (payment is not null)
+            {
+                await context.TenantPayments.AddAsync(payment, cancellationToken);
+            }
+
+            // 7. 保存变更
+            await context.SaveChangesAsync(cancellationToken);
+
+            // 8. 提交事务
+            await transaction.CommitAsync(cancellationToken);
+        });
+    }
+
+    /// <inheritdoc />
+    public Task<Tenant?> GetByIdForUpdateAsync(long tenantId, CancellationToken cancellationToken = default)
+    {
+        // 1. 带跟踪查询租户（用于更新）
+        return context.Tenants
+            .Where(x => x.Id == tenantId && x.DeletedAt == null)
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<TenantVerificationProfile?> GetVerificationForUpdateAsync(long tenantId, CancellationToken cancellationToken = default)
+    {
+        // 1. 带跟踪查询认证资料（取最新一条，用于更新）
+        return context.TenantVerificationProfiles
+            .Where(v => v.TenantId == tenantId && v.DeletedAt == null)
+            .OrderByDescending(v => v.CreatedAt)
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task AddAsync(Tenant tenant, CancellationToken cancellationToken = default)
+    {
+        // 1. 新增租户
+        await context.Tenants.AddAsync(tenant, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task AddSubscriptionAsync(TenantSubscription subscription, CancellationToken cancellationToken = default)
+    {
+        // 1. 新增订阅
+        await context.TenantSubscriptions.AddAsync(subscription, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task AddVerificationAsync(TenantVerificationProfile verification, CancellationToken cancellationToken = default)
+    {
+        // 1. 新增认证资料
+        await context.TenantVerificationProfiles.AddAsync(verification, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+    {
+        // 1. 保存变更
+        return context.SaveChangesAsync(cancellationToken);
+    }
 }