diff --git a/Application/Callback/Controller/NotifyController.class.php b/Application/Callback/Controller/NotifyController.class.php
index ccd87f7..b781407 100644
--- a/Application/Callback/Controller/NotifyController.class.php
+++ b/Application/Callback/Controller/NotifyController.class.php
@@ -981,7 +981,7 @@ class NotifyController extends BaseController
         $params = json_decode($params, true);
 
         if ($params['trade_status'] != 'TRADE_SUCCESS' || $params['pay_status'] == 'TRADE_FINISHED') {
-            echo 'SUCCESS';
+            echo 'success';
             return;
         }
         
@@ -1005,6 +1005,6 @@ class NotifyController extends BaseController
                 exit('accident order data');
                 break;
         }
-        echo 'SUCCESS';
+        echo 'success';
     }
 }
\ No newline at end of file