diff --git a/readme.md b/readme.md
index 4482dcee8..6859ffbec 100644
--- a/readme.md
+++ b/readme.md
@@ -32,6 +32,7 @@ English | [简体中文](readme_cn.md)
 - String utility (str)
 - Time library (time)
 - Thread library (thread)
+- Timed Task Scheduler
 - Fast memory allocator
 - LruMap
 - hash library
diff --git a/readme_cn.md b/readme_cn.md
index 6a60a5a93..1e07b1f5c 100644
--- a/readme_cn.md
+++ b/readme_cn.md
@@ -32,6 +32,7 @@
 - 字符串操作(str)
 - 时间库(time)
 - 线程库(thread)
+- 定时任务调度器
 - 高效内存分配器
 - LruMap
 - hash 库