报错之后也要有返回

app-hd/controllers/MtController.php

@@ -212,6 +212,7 @@ class MtController extends PublicController
             $transaction->rollBack();
             $msg = $e->getMessage();
             noticeUtil::push("确认订单报错了，错误信息：{$msg} 美团订单id:{$mtOrderId} 美团编号：{$thirdSn}", '15280215347');
+            return Json::encode(['data' => 'ok']);
         }
     }