diff --git a/platformapi/mtpsapi/callback.go b/platformapi/mtpsapi/callback.go
index 5242bd8a..5f2d4596 100644
--- a/platformapi/mtpsapi/callback.go
+++ b/platformapi/mtpsapi/callback.go
@@ -76,8 +76,10 @@ func (a *API) CheckCallbackValidation(request *http.Request) (callbackResponse *
 		// 		}
 		// 	}
 		// }
+	} else {
+		callbackResponse = Err2CallbackResponse(err, "")
 	}
-	return Err2CallbackResponse(err, "")
+	return callbackResponse
 }
 
 func (a *API) GetOrderCallbackMsg(request *http.Request) (orderMsg *CallbackOrderMsg, callbackResponse *CallbackResponse) {