diff --git a/backend/app/controller/AuthController.php b/backend/app/controller/AuthController.php
index 620781b..fc7654d 100644
--- a/backend/app/controller/AuthController.php
+++ b/backend/app/controller/AuthController.php
@@ -261,24 +261,9 @@ class AuthController extends BaseController
             $session->user_id = $user->id;
             $session->save();
 
-            // 返回空页面，自动关闭（飞书APP内会自动返回）
-            return new \Webman\Http\Response(200, ['Content-Type' => 'text/html; charset=utf-8'], '<!DOCTYPE html>
-<html>
-<head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <script>
-        // 尝试关闭窗口（飞书APP内会自动返回）
-        window.close();
-        // 备用：如果无法关闭，显示简单提示
-        setTimeout(function() {
-            document.body.innerHTML = "<div style=\'display:flex;align-items:center;justify-content:center;min-height:100vh;margin:0;font-family:sans-serif;text-align:center;color:#666;\'><p>登录成功<br>您可以关闭此页面</p></div>";
-        }, 100);
-    </script>
-</head>
-<body>
-</body>
-</html>');
+            // 返回极简空白页面（飞书APP内扫码通常不会真正访问此URL）
+            // 飞书会在APP内直接处理回调，返回到之前的界面
+            return new \Webman\Http\Response(200, ['Content-Type' => 'text/html; charset=utf-8'], '');
         } catch (\Exception $e) {
             return $this->error($e->getMessage());
         }