diff --git a/TakeoutSaaS.Docs b/TakeoutSaaS.Docs
index e962798..2f508d7 160000
--- a/TakeoutSaaS.Docs
+++ b/TakeoutSaaS.Docs
@@ -1 +1 @@
-Subproject commit e962798f4637273d519d60053304425c9733e823
+Subproject commit 2f508d7b52f849b14e98fd0a7e564edc35a5b684
diff --git a/src/Api/TakeoutSaaS.AdminApi/Controllers/AuthController.cs b/src/Api/TakeoutSaaS.AdminApi/Controllers/AuthController.cs
index b68236f..9efd7c4 100644
--- a/src/Api/TakeoutSaaS.AdminApi/Controllers/AuthController.cs
+++ b/src/Api/TakeoutSaaS.AdminApi/Controllers/AuthController.cs
@@ -23,7 +23,7 @@ namespace TakeoutSaaS.AdminApi.Controllers;
 public sealed class AuthController(IAdminAuthService authService, IMediator mediator) : BaseApiController
 {
     /// <summary>
-    /// 登录获取 Token
+    /// 账号名+手机号登录获取 Token
     /// </summary>
     /// <param name="request">登录请求。</param>
     /// <param name="cancellationToken">取消标记。</param>
@@ -37,22 +37,6 @@ public sealed class AuthController(IAdminAuthService authService, IMediator medi
         return ApiResponse<TokenResponse>.Ok(response);
     }
 
-    /// <summary>
-    /// 免租户号登录（仅账号+密码）。
-    /// </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>
-    /// <remarks>用于前端简化登录，无需额外传递租户号。</remarks>
-    [HttpPost("login/simple")]
-    [AllowAnonymous]
-    [ProducesResponseType(typeof(ApiResponse<TokenResponse>), StatusCodes.Status200OK)]
-    public async Task<ApiResponse<TokenResponse>> LoginSimple([FromBody] AdminLoginRequest request, CancellationToken cancellationToken)
-    {
-        var response = await authService.LoginSimpleAsync(request, cancellationToken);
-        return ApiResponse<TokenResponse>.Ok(response);
-    }
-
     /// <summary>
     /// 刷新 Token
     /// </summary>
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IAdminAuthService.cs b/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IAdminAuthService.cs
index ee6935c..6e00acc 100644
--- a/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IAdminAuthService.cs
+++ b/src/Application/TakeoutSaaS.Application/Identity/Abstractions/IAdminAuthService.cs
@@ -12,11 +12,6 @@ public interface IAdminAuthService
     /// </summary>
     Task<TokenResponse> LoginAsync(AdminLoginRequest request, CancellationToken cancellationToken = default);
 
-    /// <summary>
-    /// 简化登录：与标准登录一致（Admin Portal）。
-    /// </summary>
-    Task<TokenResponse> LoginSimpleAsync(AdminLoginRequest request, CancellationToken cancellationToken = default);
-
     /// <summary>
     /// 刷新 Token。
     /// </summary>
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Contracts/AdminLoginRequest.cs b/src/Application/TakeoutSaaS.Application/Identity/Contracts/AdminLoginRequest.cs
index 865e263..4321e0d 100644
--- a/src/Application/TakeoutSaaS.Application/Identity/Contracts/AdminLoginRequest.cs
+++ b/src/Application/TakeoutSaaS.Application/Identity/Contracts/AdminLoginRequest.cs
@@ -5,19 +5,26 @@ namespace TakeoutSaaS.Application.Identity.Contracts;
 /// <summary>
 /// 管理后台登录请求。
 /// </summary>
-public sealed class AdminLoginRequest
+public sealed record AdminLoginRequest
 {
     /// <summary>
-    /// 账号。
+    /// 账号名。
     /// </summary>
     [Required]
     [MaxLength(64)]
-    public string Account { get; set; } = string.Empty;
+    public string AccountName { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 手机号。
+    /// </summary>
+    [Required]
+    [MaxLength(32)]
+    public string Phone { get; init; } = string.Empty;
 
     /// <summary>
     /// 密码。
     /// </summary>
     [Required]
     [MaxLength(128)]
-    public string Password { get; set; } = string.Empty;
+    public string Password { get; init; } = string.Empty;
 }
diff --git a/src/Application/TakeoutSaaS.Application/Identity/Services/AdminAuthService.cs b/src/Application/TakeoutSaaS.Application/Identity/Services/AdminAuthService.cs
index 24c9302..b3b9dca 100644
--- a/src/Application/TakeoutSaaS.Application/Identity/Services/AdminAuthService.cs
+++ b/src/Application/TakeoutSaaS.Application/Identity/Services/AdminAuthService.cs
@@ -32,11 +32,28 @@ public sealed class AdminAuthService(
     /// <exception cref="BusinessException">账号或密码错误时抛出</exception>
     public async Task<TokenResponse> LoginAsync(AdminLoginRequest request, CancellationToken cancellationToken = default)
     {
-        // 1. 根据账号查找用户
-        var user = await userRepository.FindByAccountAsync(PortalType.Admin, null, request.Account, cancellationToken)
-                   ?? throw new BusinessException(ErrorCodes.Unauthorized, "账号或密码错误");
+        // 1. 标准化输入
+        var accountName = request.AccountName?.Trim() ?? string.Empty;
+        var phone = request.Phone?.Trim() ?? string.Empty;
+        var password = request.Password;
 
-        // 2. 校验账号状态
+        // 2. (空行后) 参数校验
+        if (string.IsNullOrWhiteSpace(accountName) || string.IsNullOrWhiteSpace(phone) || string.IsNullOrWhiteSpace(password))
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "账号名、手机号与密码不能为空");
+        }
+
+        // 3. (空行后) 根据账号查找用户
+        var user = await userRepository.FindByAccountAsync(PortalType.Admin, null, accountName, cancellationToken)
+                   ?? throw new BusinessException(ErrorCodes.Unauthorized, "账号名、手机号或密码错误");
+
+        // 4. (空行后) 校验手机号匹配
+        if (!string.Equals(user.Phone?.Trim(), phone, StringComparison.Ordinal))
+        {
+            throw new BusinessException(ErrorCodes.Unauthorized, "账号名、手机号或密码错误");
+        }
+
+        // 5. (空行后) 校验账号状态
         var now = DateTime.UtcNow;
         if (user.Status == IdentityUserStatus.Disabled)
         {
@@ -58,43 +75,22 @@ public sealed class AdminAuthService(
             throw new BusinessException(ErrorCodes.Forbidden, "账号需要重置密码，请通过重置链接设置新密码");
         }
 
-        // 3. 验证密码（使用 ASP.NET Core Identity 的密码哈希器）
-        var result = passwordHasher.VerifyHashedPassword(user, user.PasswordHash, request.Password);
+        // 6. (空行后) 验证密码（使用 ASP.NET Core Identity 的密码哈希器）
+        var result = passwordHasher.VerifyHashedPassword(user, user.PasswordHash, password);
         if (result == PasswordVerificationResult.Failed)
         {
             await IncreaseFailedLoginAsync(user.Id, now, cancellationToken);
-            throw new BusinessException(ErrorCodes.Unauthorized, "账号或密码错误");
+            throw new BusinessException(ErrorCodes.Unauthorized, "账号名、手机号或密码错误");
         }
 
-        // 4. 更新登录成功状态
+        // 7. (空行后) 更新登录成功状态
         await UpdateLoginSuccessAsync(user.Id, now, cancellationToken);
 
-        // 5. 构建用户档案并生成令牌
+        // 8. (空行后) 构建用户档案并生成令牌
         var profile = await BuildProfileAsync(user, cancellationToken);
         return await jwtTokenService.CreateTokensAsync(profile, false, cancellationToken);
     }
 
-    /// <summary>
-    /// 简化登录：与标准登录一致（Admin Portal）。
-    /// </summary>
-    /// <param name="request">登录请求</param>
-    /// <param name="cancellationToken">取消令牌</param>
-    /// <returns>令牌响应</returns>
-    public async Task<TokenResponse> LoginSimpleAsync(AdminLoginRequest request, CancellationToken cancellationToken = default)
-    {
-        // 1. 参数校验
-        if (string.IsNullOrWhiteSpace(request.Account))
-        {
-            throw new BusinessException(ErrorCodes.BadRequest, "账号不能为空");
-        }
-
-        // 2. (空行后) 标准化账号
-        request.Account = request.Account.Trim();
-
-        // 3. (空行后) 走标准登录逻辑（Admin Portal）
-        return await LoginAsync(request, cancellationToken);
-    }
-
     /// <summary>
     /// 刷新访问令牌：使用刷新令牌获取新的访问令牌和刷新令牌。
     /// </summary>