Modify related documents for commonlibrary/c_utils,

since the document structure is adjusted in c_utils.
Signed-off-by: Nhuangyuchen <huangyuchen3@huawei.com>
Change-Id: Iec7a09acf46ab90702432629ee291f0e0ee15b67

en/device-dev/subsystems/subsys-utils-guide.md

@@ -31,9 +31,9 @@ The **commonlibrary** subsystem stores basic OpenHarmony components which provid
 
 ## Development Guidelines<a name="section1633115419401"></a>
 
-[Development Guidelines for c_utils](https://gitee.com/openharmony/commonlibrary_c_utils/blob/master/docs/en/c-utils-guide.md)
+[Related Documents for c_utils](https://gitee.com/openharmony/commonlibrary_c_utils/blob/master/README.md)
 
 
 # Commonlibrary Subsystem FAQ
 ## c_utils FAQ
-See [Development Guidelines for c_utils](https://gitee.com/openharmony/commonlibrary_c_utils/blob/master/docs/en/c-utils-guide.md), including FAQs for several scenarios.
+See [Related Documents for c_utils](https://gitee.com/openharmony/commonlibrary_c_utils/blob/master/README.md), including FAQs for several scenarios.
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zh-cn/device-dev/subsystems/subsys-utils-guide.md

@@ -29,8 +29,8 @@
 -   其它一些内部功能，如定时器等。
 
 ## 各仓库开发指导
-[C++公共基础库(c_utils)开发指导](https://gitee.com/openharmony/commonlibrary_c_utils/blob/master/docs/zh-cn/c-utils-guide.md)
+[C++公共基础库(c_utils)说明文档](https://gitee.com/openharmony/commonlibrary_c_utils/blob/master/README_zh.md)
 
 # 公共基础类库常见问题
 ## c_utils常见问题
-具体各应用场景常见问题，参见[C++公共基础库(c_utils)开发指导](https://gitee.com/openharmony/commonlibrary_c_utils/blob/master/docs/zh-cn/c-utils-guide.md)
+具体各应用场景常见问题，参见[C++公共基础库(c_utils)说明文档](https://gitee.com/openharmony/commonlibrary_c_utils/blob/master/README_zh.md)
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