diff --git a/zh-cn/application-dev/reference/js-service-widget-ui/js-service-widget-custom-props.md b/zh-cn/application-dev/reference/js-service-widget-ui/js-service-widget-custom-props.md
index 9fdfc043b87ecd5ee5e5ac497df7c7fb75e6335e..992ed8445e6caf816393a346c18d43339b61640c 100644
--- a/zh-cn/application-dev/reference/js-service-widget-ui/js-service-widget-custom-props.md
+++ b/zh-cn/application-dev/reference/js-service-widget-ui/js-service-widget-custom-props.md
@@ -35,6 +35,7 @@
 
 
 ```json
+// comp.json
 {
   "data": {
     "progress": {