- mtps cancel_reason_id is not mandatory,

- fix check mandatory bug.

platformapi/mtpsapi/callback.go

@@ -48,8 +48,8 @@ func (a *API) CheckCallbackValidation(request *http.Request) (callbackResponse *
 	}
 
 	for _, valueKey := range []string{"delivery_id", "mt_peisong_id", "order_id"} {
-		baseapi.SugarLogger.Errorf("Missing mandatory param:%v", valueKey)
 		if request.FormValue(valueKey) == "" {
+			baseapi.SugarLogger.Errorf("Missing mandatory param:%v", valueKey)
 			return &CallbackResponse{
 				Code: -1,
 			}
@@ -76,7 +76,7 @@ func (a *API) GetOrderCallbackMsg(request *http.Request) (orderMsg *CallbackOrde
 			Sign:      request.FormValue("sign"),
 		},
 		Status:         int(utils.Str2Int64(request.FormValue("status"))),
-		CancelReasonId: int(utils.Str2Int64(request.FormValue("cancel_reason_id"))),
+		CancelReasonId: int(utils.Str2Int64WithDefault(request.FormValue("cancel_reason_id"), 0)),
 		CancelReason:   request.FormValue("cancel_reason"),
 	}
 	return orderMsg, nil