diff --git a/extend/base/admin/service/AdminUpdateServiceBase.php b/extend/base/admin/service/AdminUpdateServiceBase.php
index b44882f..cdd69f2 100644
--- a/extend/base/admin/service/AdminUpdateServiceBase.php
+++ b/extend/base/admin/service/AdminUpdateServiceBase.php
@@ -365,6 +365,7 @@ class AdminUpdateServiceBase
             'config',
             'route',
             'source/docker',
+            'extend/think',
         ];
 
         foreach ($optional_files_prefix as $prefix) {