diff --git a/backend/app/Middleware/AuthMiddleware.php b/backend/app/Middleware/AuthMiddleware.php
index 97003fb..67b4778 100644
--- a/backend/app/Middleware/AuthMiddleware.php
+++ b/backend/app/Middleware/AuthMiddleware.php
@@ -107,8 +107,9 @@ class AuthMiddleware implements MiddlewareInterface
         $api_key->last_used_at = \Carbon\Carbon::now();
         $api_key->save();
 
-        // 通过 JWT guard 登录用户，使后续代码可通过 auth->guard('jwt')->user() 获取用户
-        $this->auth->guard('jwt')->login($user);
+        // 通过 JWT guard 登录用户，生成 token 并注入请求头，使后续代码可通过 auth->guard('jwt')->user() 获取用户
+        $token = $this->auth->guard('jwt')->login($user);
+        $request = $request->withHeader('Authorization', 'Bearer ' . $token);
 
         return $handler->handle($request);
     }