diff --git a/application/admin/controller/Ajax.php b/application/admin/controller/Ajax.php
index 5c40c065..00f6f989 100644
--- a/application/admin/controller/Ajax.php
+++ b/application/admin/controller/Ajax.php
@@ -33,6 +33,7 @@ class Ajax extends Backend
      */
     public function lang()
     {
+        \think\Config::set('app_trace', false);
         header('Content-Type: application/javascript');
         $controllername = input("controllername");
         //默认只加载了控制器对应的语言名，你还根据控制器名来加载额外的语言包