diff --git a/application/common/controller/Upload.php b/application/common/controller/Upload.php
index 63a4cda..9d036cc 100644
--- a/application/common/controller/Upload.php
+++ b/application/common/controller/Upload.php
@@ -105,7 +105,7 @@ class Upload
                     // 所有 COS 操作，可根据需要限定为具体操作，如 'cos:PutObject'
                     'cos:*'
                 ],
-                'allowPrefix' => ['images/*'], // 可进一步限制前缀
+                'allowPrefix' => ['*'], // 可进一步限制前缀
             ]);
 
             return [