diff --git a/zh-cn/application-dev/work-scheduler/Readme-CN.md b/zh-cn/application-dev/work-scheduler/Readme-CN.md
index 2e20de349f0a4d666b50a99009243e55619de987..789acd86ce1e7bb35fd329ea5ea689eced36dfb0 100644
--- a/zh-cn/application-dev/work-scheduler/Readme-CN.md
+++ b/zh-cn/application-dev/work-scheduler/Readme-CN.md
@@ -1,5 +1,3 @@
 # 延迟任务调度
-
-- 后台任务
-  - [延迟任务调度概述](work-scheduler-overview.md)
-  - [延迟任务调度开发指导](work-scheduler-dev-guide.md)
\ No newline at end of file
+ - [延迟任务调度概述](work-scheduler-overview.md)
+ - [延迟任务调度开发指导](work-scheduler-dev-guide.md)
\ No newline at end of file