diff --git a/zh-cn/application-dev/reference/apis/js-apis-font.md b/zh-cn/application-dev/reference/apis/js-apis-font.md
index 2df1eebf6b535b0366967f4735cf26e28c8242a9..574ca8179dd5dfb1f438d96a84133813ea79625c 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-font.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-font.md
@@ -50,7 +50,7 @@ struct FontExample {
   aboutToAppear() {
     font.registerFont({
       familyName: 'medium',
-      familySrc: '/font/medium.ttf'
+      familySrc: '/font/medium.ttf' // font文件与pages目录同级
     })
   }
 
diff --git a/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-checkboxgroup.md b/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-checkboxgroup.md
index dd365bb1c127ece7ef5e4c21bf6e8b3a01167161..93ac590be335e87659587482d8b068182121d214 100644
--- a/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-checkboxgroup.md
+++ b/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-checkboxgroup.md
@@ -22,7 +22,7 @@ CheckboxGroup(options?: { group?: string })
 
 | 参数名 | 参数类型 | 必填 | 参数描述 |
 | -------- | -------- | -------- | -------- |
-| group | string | 否 | 群组名称。|
+| group | string | 否 | 群组名称。<br/>**说明：** <br/>多个相同群组名称的CheckboxGroup，仅第一个CheckboxGroup生效。 |
 
 ## 属性