diff --git a/backend/app/controller/AuthController.php b/backend/app/controller/AuthController.php
index ddd951e..7e4b89d 100644
--- a/backend/app/controller/AuthController.php
+++ b/backend/app/controller/AuthController.php
@@ -286,9 +286,9 @@ class AuthController extends BaseController
                 'expires_at' => date('Y-m-d H:i:s', time() + 300), // 5分钟过期
             ]);
 
-            // 构建扫码登录 URL
-            $baseUrl = config('feishu_notification.base_url') ?? request()->scheme() . '://' . request()->host();
-            $redirectUri = urlencode($baseUrl . '/login/callback');
+            // 构建扫码登录 URL（使用数据库中配置的回调地址）
+            $callbackUrl = $feishuApp->mobile_callback_url ?? request()->scheme() . '://' . request()->host() . '/login/callback';
+            $redirectUri = urlencode($callbackUrl);
             $authUrl = "https://passport.feishu.cn/suite/passport/oauth/authorize?client_id={$feishuApp->app_id}&redirect_uri={$redirectUri}&response_type=code&state={$loginSession->id}";
 
             error_log("✅ 生成二维码会话: session_id={$loginSession->id}");