diff --git a/zh-cn/readme.md b/zh-cn/readme.md
index 79c90f5fa03580c721fd5bff4906990f0d282cbe..48ab06e41b485312f4718925edda289259652f2b 100644
--- a/zh-cn/readme.md
+++ b/zh-cn/readme.md
@@ -1,72 +1,77 @@
-# OpenHarmony开发者文档
+# OpenHarmony开发者文档
此工程存放OpenHarmony提供的快速入门、开发指南、API参考等开发者文档,欢迎参与OpenHarmony开发者文档开源项目,与我们一起完善开发者文档。
+## 文档目录结构
-## 文档目录结构
-
-- [Openharmony概述](OpenHarmony-Overview_zh.md)
-- 轻量和小型系统开发指导(参考内存<128MB)
- + 设备开发
- + release-notes:[版本更新说明](release-notes/OpenHarmony-1-1-0-LTS.md)
- + overview:[导读](device-dev/quick-start/导读.md)
- + quick-star:[快速入门](device-dev/quick-start/Readme-CN.md)(搭建环境、获取源码、编译、烧录等)
- + 开发基础能力
- - Kernel:[轻内核](device-dev/kernel/轻内核.md)
- - Drivers:[驱动](device-dev/driver/Readme-CN.md)
- - Subsystems:[子系统](device-dev/subsystems/Readme-CN.md)(编译构建、分布式远程、图形图像、DFX、XTS等子系统)
- - Security:[隐私与安全](device-dev/security/Readme-CN.md)
- + guide:[开发示例](device-dev/guide/Readme-CN.md)
- + [WLAN连接类产品开发示例](device-dev/guide/WLAN连接类产品.md)(LED外设控制、集成三方SDK)
- + [无屏摄像头类产品开发示例](device-dev/guide/无屏摄像头类产品.md)(像头控制)
- + [带屏摄像头类产品开发示例](device-dev/guide/带屏摄像头类产品.md)(屏幕和摄像头控制、视觉应用开发)
- + porting:[移植适配](device-dev/porting/Readme-CN.md)
- + [三方芯片移植指导](device-dev/porting/三方芯片移植指导.md)
- + [三方库移植指导](device-dev/porting/三方库移植指导.md)
- + 常见问题
- + bundles:[组件开发](device-dev/bundles/Readme-CN.md)
- + [组件开发规范](device-dev/bundles/组件开发规范.md)
- + [组件开发指南](device-dev/bundles/组件开发指南.md)
- + [组件开发示例](device-dev/bundles/组件开发示例.md)
-- 标准系统开发指导(参考内存≥128MB)
- - release-notes:[版本更新说明](release-notes/OpenHarmony-2-0-Canary.md)
- - 设备开发
- - overview:[导读](device-dev/quick-start/导读.md)
- - quick-star:[快速入门](device-dev/quick-start/Readme-CN.md)(搭建环境、获取源码、编译、烧录等)
- - 开发基础能力
- - Kernel:[Linux内核](device-dev/kernel/Linux内核.md)
- - Drivers:[驱动](device-dev/driver/Readme-CN.md)
- - Subsystems:[子系统](device-dev/subsystems/Readme-CN.md)(编译构建、分布式远程、图形图像、DFX、XTS等子系统)
- - Security:[隐私与安全](device-dev/security/Readme-CN.md)
- - guide:[开发示例](device-dev/guide/Readme-CN.md)
- - [时钟应用开发示例](device-dev/guide/时钟应用开发示例.md)
- - [平台驱动开发示例](device-dev/guide/平台驱动开发示例.md)
- - [外设驱动开发示例](device-dev/guide/外设驱动开发示例.md)
- - porting:[移植适配](device-dev/porting/Readme-CN.md)
- - [三方芯片移植指导](device-dev/porting/三方芯片移植指导.md)
- - [三方库移植指导](device-dev/porting/三方库移植指导.md)
- - 常见问题
- - bundles:[组件开发](device-dev/bundles/Readme-CN.md)
- - [组件开发规范](device-dev/bundles/组件开发规范.md)
- - [组件开发指南](device-dev/bundles/组件开发指南.md)
- - [组件开发示例](device-dev/bundles/组件开发示例.md)
- - 应用开发
- - quick-start:[入门](application-dev/quick-start/Readme-CN.md)
- - ui:[UI](application-dev/ui/Readme-CN.md)
- - media:[媒体](application-dev/media/Readme-CN.md)
- - connectivity:[网络与连接](application-dev/connectivity/Readme-CN.md)
- - js-reference:[JS参考规范](application-dev/js-reference/Readme-CN.md)
- - glossary:[术语](device-dev/glossary/术语.md)
-
-## 版本更新
-
-参考[Release Notes](release-notes/OpenHarmony-Release-Notes.md)
-
-## 第三方开源软件及许可说明
+- [Openharmony概述](OpenHarmony-Overview_zh.md)
+- 轻量和小型系统开发指导(参考内存<128MB)
+ - 设备开发
+ - overview:[设备开发导读](device-dev/quick-start/导读.md)
+ - quick-start:[快速入门](device-dev/quick-start/Readme-CN.md)(搭建环境、获取源码、编译、烧录等)
+ - 开发基础能力
+ - Kernel:[轻内核](device-dev/kernel/轻内核.md)
+ - Drivers:[驱动](device-dev/driver/Readme-CN.md)
+ - Subsystems:[子系统](device-dev/subsystems/Readme-CN.md)(编译构建、图形图像、DFX、XTS等子系统)
+ - Security:[隐私与安全](device-dev/security/Readme-CN.md)
+
+ - guide:[开发示例](device-dev/guide/Readme-CN.md)
+ - [WLAN连接类产品](device-dev/guide/WLAN连接类产品.md)(LED外设控制、集成三方SDK)
+ - [无屏摄像头类产品](device-dev/guide/无屏摄像头类产品.md)(摄像头控制)
+ - [带屏摄像头类产品](device-dev/guide/带屏摄像头类产品.md)(屏幕和摄像头控制、视觉应用开发)
+
+ - porting:[移植适配](device-dev/guide/Readme-CN.md)
+ - [三方芯片移植指导](device-dev/porting/三方芯片移植指导.md)
+ - [三方库移植指导](device-dev/porting/三方库移植指导.md)
+
+ - bundles:[组件开发](device-dev/bundles/Readme-CN.md)
+ - [组件开发规范](device-dev/bundles/组件开发规范.md)
+ - [组件开发指南](device-dev/bundles/组件开发指南.md)
+ - [组件开发示例](device-dev/bundles/组件开发示例.md)
+
+- 标准系统开发指导(参考内存≥128MB)
+ - 设备开发
+ - overview:[设备开发导读](device-dev/quick-start/导读.md)
+ - quick-start:[快速入门](device-dev/quick-start/Readme-CN.md)(搭建环境、获取源码、编译、烧录等)
+ - 开发基础能力
+ - Kernel:[Linux内核](device-dev/kernel/Linux内核.md)
+ - Drivers:[驱动](device-dev/driver/Readme-CN.md)
+ - Subsystems:[子系统](device-dev/subsystems/Readme-CN.md)(编译构建、图形图像、DFX、XTS等子系统)
+ - Security:[隐私与安全](device-dev/security/Readme-CN.md)
+
+ - guide:[开发示例](device-dev/guide/Readme-CN.md)
+ - [时钟应用](device-dev/guide/时钟应用开发示例.md)
+ - [平台驱动](device-dev/guide/平台驱动开发示例.md)
+ - [外设驱动](device-dev/guide/外设驱动开发示例.md)
+
+ - porting:[移植适配](device-dev/guide/Readme-CN.md)
+ - [三方芯片移植指导](device-dev/porting/三方芯片移植指导.md)
+ - [三方库移植指导](device-dev/porting/三方库移植指导.md)
+
+ - bundles:[组件开发](device-dev/bundles/Readme-CN.md)
+ - [组件开发规范](device-dev/bundles/组件开发规范.md)
+ - [组件开发指南](device-dev/bundles/组件开发指南.md)
+ - [组件开发示例](device-dev/bundles/组件开发示例.md)
+
+
+- 应用开发
+ - overview:[应用开发导读](application-dev/application-dev-guide.md)
+ - quick-start:[入门](application-dev/quick-start/Readme-CN.md)
+ - ui:[UI](application-dev/ui/Readme-CN.md)
+ - media:[媒体](application-dev/media/Readme-CN.md)
+ - connectivity:[网络与连接](application-dev/connectivity/Readme-CN.md)
+ - js-reference:[JS参考规范](application-dev/js-reference/Readme-CN.md)
+- glossary:[术语](device-dev/glossary/术语.md)
+
+## 版本更新
+
+参考[Release Notes](release-notes/OpenHarmony-Release-Notes.md)。
+
+## 第三方开源软件及许可说明
3rd-Party-License:[第三方开源软件及许可证说明](contribute/第三方开源软件及许可证说明.md)
-## 贡献
+## 贡献
非常欢迎您参与[贡献](contribute/参与贡献.md),我们鼓励开发者以各种方式参与文档反馈和贡献。