diff --git a/pkg/query-service/app/http_handler.go b/pkg/query-service/app/http_handler.go
index cb1ef91dff..69c0f92b8d 100644
--- a/pkg/query-service/app/http_handler.go
+++ b/pkg/query-service/app/http_handler.go
@@ -1159,6 +1159,7 @@ func (aH *APIHandler) queryRangeMetrics(w http.ResponseWriter, r *http.Request)
 			RespondError(w, &model.ApiError{model.ErrorTimeout, res.Err}, nil)
 		}
 		RespondError(w, &model.ApiError{model.ErrorExec, res.Err}, nil)
+		return
 	}
 
 	response_data := &model.QueryData{