diff --git a/zh-cn/application-dev/device-usage-statistics/device-usage-statistics-use-guide.md b/zh-cn/application-dev/device-usage-statistics/device-usage-statistics-use-guide.md
index 4aaedf9a9f4180340f84c67cdaf91ac8ff6a2dcf..25644938494efeb3524e29381afab75d8ef5cfd4 100644
--- a/zh-cn/application-dev/device-usage-statistics/device-usage-statistics-use-guide.md
+++ b/zh-cn/application-dev/device-usage-statistics/device-usage-statistics-use-guide.md
@@ -1,4 +1,4 @@
-# 设备使用信息统计(API9)
+# 设备使用信息统计开发指导
 
 ## 场景介绍
 
diff --git a/zh-cn/application-dev/notification/Readme-CN.md b/zh-cn/application-dev/notification/Readme-CN.md
index fd7aa8a9aa58543d263d517283b892407a8a2068..c8bd5b0b6c51686eb4f04cb1cdb4979b6467993c 100644
--- a/zh-cn/application-dev/notification/Readme-CN.md
+++ b/zh-cn/application-dev/notification/Readme-CN.md
@@ -3,7 +3,7 @@
 - [通知概述](notification-overview.md)
 - [订阅通知（仅对系统应用开放）](notification-subscription.md)
 - [使能通知开关](notification-enable.md)
-- [设置通知角标](notification-badge.md)
+- [管理通知角标](notification-badge.md)
 - 发布通知
   - [发布基础类型通知](text-notification.md)
   - [发布进度条类型通知](progress-bar-notification.md)
diff --git a/zh-cn/application-dev/notification/notification-badge.md b/zh-cn/application-dev/notification/notification-badge.md
index d113365cf398d36863ba722739147a7c53bfc61e..a5b23055f2f75847836b0a927a9ab1f1cea60d77 100644
--- a/zh-cn/application-dev/notification/notification-badge.md
+++ b/zh-cn/application-dev/notification/notification-badge.md
@@ -1,4 +1,4 @@
-# 通知角标
+# 管理通知角标
 
 应用未读的通知，OpenHarmony提供了角标设置接口，将未读通知个数显示在桌面图标的右上角角标上。