diff --git a/platformapi/elmapi/callback.go b/platformapi/elmapi/callback.go
index dc286f60..05737a95 100644
--- a/platformapi/elmapi/callback.go
+++ b/platformapi/elmapi/callback.go
@@ -158,7 +158,7 @@ func Err2CallbackResponse(err error, data string) *CallbackResponse {
 		return SuccessResponse
 	}
 	return &CallbackResponse{
-		Message: fmt.Sprintf("error:%v, data:%v", data),
+		Message: fmt.Sprintf("error:%v, data:%v", err, data),
 	}
 }