diff --git a/zh-cn/device-dev/subsystems/Readme-CN.md b/zh-cn/device-dev/subsystems/Readme-CN.md
index 1fcbaca7c56bba6713eb11944ae1ac502124cc5b..af6d2ee30b1cc0c21b5dbda91cd5b6785b75fb68 100644
--- a/zh-cn/device-dev/subsystems/Readme-CN.md
+++ b/zh-cn/device-dev/subsystems/Readme-CN.md
@@ -1,4 +1,4 @@
-# subsystems
+# 子系统开发
 
 - 编译构建
     - [编译构建指导](subsys-build-all.md)