fix broken links

Signed-off-by: NNEEN <neen.yang@huawei.com>

en/contribute/Readme-EN.md

@@ -2,12 +2,10 @@
 
 -   [Contribution](contribution.md)
 -   [Code of Conduct](code-of-conduct.md)
--   [Contributing Code](contributing-code.md)
+-   [Code Contribution](code-contribution.md)
 -   [Contribution Process](contribution-process.md)
--   [FAQs](faqs.md)
 -   [Documentation Contribution](documentation-contribution.md)
 -   [Writing Instructions](writing-instructions.md)
--   [Tutorial: Title \(Task Name\)](tutorial-title-(task-name).md)
--   [Title \(Briefly Describe the Key Information of the Issue.\)](title-(briefly-describe-the-key-information-of-the-issue-).md)
 -   [Communication in Community](communication-in-community.md)
+-   [FAQs](faqs.md)
 

en/contribute/contribution.md

@@ -20,7 +20,7 @@ For details about how to participate in Special Interest Group (SIG), see **SIG
 
 ## Starting Contributing<a name="en-us_topic_0000001053868136_section184321756134618"></a>
 
-For details about how to contribute to code, see  [Contributing Code](contributing-code.md#EN-US_TOPIC_0000001055088095).
+For details about how to contribute to code, see  [Code Contributing ](code-contribution).
 
 ## Contributing Documents<a name="en-us_topic_0000001053868136_section11234185012131"></a>
 

zh-cn/contribute/Readme-CN.md

 # 贡献指南
 
--   [贡献指南](贡献指南.md)
-    -   [参与贡献](参与贡献.md)
-    -   [行为准则](行为准则.md)
-    -   [贡献代码](贡献代码.md)
-    -   [贡献流程](贡献流程.md)
-    -   [FAQ](FAQ.md)
-    -   [贡献文档](贡献文档.md)
-    -   [写作规范](写作规范.md)
-    -   [社区沟通与交流](社区沟通与交流.md)
+- [参与贡献](参与贡献.md)
+- [行为准则](行为准则.md)
+- [贡献代码](贡献代码.md)
+- [贡献流程](贡献流程.md)
+- [贡献文档](贡献文档.md)
+- [写作规范](写作规范.md)
+- [社区沟通与交流](社区沟通与交流.md)
+- [FAQ](FAQ.md)