update zh-cn/OpenHarmony-Overview_zh.md.

Signed-off-by: Nduangavin123 <duanxichao@huawei.com>

zh-cn/OpenHarmony-Overview_zh.md

@@ -362,8 +362,8 @@ OpenHarmony支持如下几种系统类型：
 
 ## 快速入门<a name="section44681652104210"></a>
 
-- [设备开发快速入门](device-dev/quick-start/Readme-CN.md)
-- [应用开发快速入门](application-dev/quick-start/Readme-CN.md)
+- [设备开发快速入门](device-dev/quick-start/quickstart-ide-lite-overview.md)
+- [应用开发快速入门](application-dev/quick-start/start-overview.md)
 
 
 
@@ -389,12 +389,6 @@ OpenHarmony归档组织地址：[https://gitee.com/openharmony-retired](https://
 
 获取OpenHarmony源码：[下载说明](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/get-code/sourcecode-acquire.md)
 
-## 示例教程<a name="sectionsamples"></a>
-
-Samples：[示例代码](https://gitee.com/openharmony/app_samples)
-
-Codelabs：[教程指导](https://gitee.com/openharmony/codelabs)
-
 ## 如何参与<a name="section19611528174215"></a>
 
 参与社区：[社区介绍](https://gitee.com/openharmony/community/blob/master/README.md)