diff --git a/zh-cn/application-dev/reference/apis/Readme-CN.md b/zh-cn/application-dev/reference/apis/Readme-CN.md
index 14235be027c838156c500c5c16682c272d7c01a0..57457cf420474ffec0d07914dd286c75a405cbf4 100755
--- a/zh-cn/application-dev/reference/apis/Readme-CN.md
+++ b/zh-cn/application-dev/reference/apis/Readme-CN.md
@@ -310,6 +310,7 @@
   - [@ohos.reminderAgent (后台代理提醒)](js-apis-reminderAgent.md)
   - [@ohos.systemParameter (系统属性)](js-apis-system-parameter.md)
   - [@ohos.usb (USB管理)](js-apis-usb-deprecated.md)
+  - [@ohos.workScheduler (延迟任务调度)](js-apis-workScheduler.md)
   - [@system.app (应用上下文)](js-apis-system-app.md)
   - [@system.battery (电量信息)](js-apis-system-battery.md)
   - [@system.bluetooth (蓝牙)](js-apis-system-bluetooth.md)