diff --git a/controllers/callback_controller.go b/controllers/callback_controller.go
index ad2a5e0..86f37bd 100644
--- a/controllers/callback_controller.go
+++ b/controllers/callback_controller.go
@@ -9,8 +9,9 @@ type CallbackController struct {
 }
 
 func (t *CallbackController) Msg(c *gin.Context) {
-	err := services.SimFlowDaySettle()
-	c.JSON(200, &CallBack{
-		Desc: err.Error(),
-	})
+	if err := services.SimFlowDaySettle(); err != nil {
+		c.JSON(200, &CallBack{
+			Desc: err.Error(),
+		})
+	}
 }