update zh-cn/application-dev/reference/apis/Readme-CN.md.

Signed-off-by: Nningning <3248127340@qq.com>

zh-cn/application-dev/reference/apis/Readme-CN.md

@@ -227,6 +227,7 @@
   - [@ohos.distributedMissionManager (分布式任务管理)](js-apis-distributedMissionManager.md)
   - [@ohos.reminderAgentManager (后台代理提醒)](js-apis-reminderAgentManager.md)
   - [@ohos.resourceschedule.backgroundTaskManager (后台任务管理)](js-apis-resourceschedule-backgroundTaskManager.md)
+  - [@ohos.resourceschedule.deviceStandby（设备待机模块）](js-apis-resourceschedule-deviceStandby.md)
   - [@ohos.resourceschedule.workScheduler (延迟任务调度)](js-apis-resourceschedule-workScheduler.md)
   - [@ohos.resourceschedule.usageStatistics (设备使用信息统计)](js-apis-resourceschedule-deviceUsageStatistics.md)
   - [@ohos.WorkSchedulerExtensionAbility (延迟任务调度回调)](js-apis-WorkSchedulerExtensionAbility.md)
@@ -477,4 +478,4 @@
     - [remoteAbilityInfo](js-apis-bundle-remoteAbilityInfo.md)
     - [shortcutInfo](js-apis-bundle-ShortcutInfo.md)
   - data/rdb
-    - [resultSet (结果集)](js-apis-data-resultset.md)
\ No newline at end of file
+    - [resultSet (结果集)](js-apis-data-resultset.md) 
\ No newline at end of file