Feat/nv skeleton

[simlecode]

关联的Issues (Related Issues)

lotus pr: 10282 11167 11176

改动 (Proposed Changes)

附注 (Additional Info)

自查清单 (Checklist)

在你认为本 PR 满足被审阅的标准之前，需要确保 / Before you mark the PR ready for review, please make sure that:

• 符合Venus项目管理规范中关于PR的相关标准 / The PR follows the PR standards set out in the Venus project management guidelines
• 具有清晰明确的commit message / All commits have a clear commit message.
• 包含相关的的测试用例或者不需要新增测试用例 / This PR has tests for new functionality or change in behaviour or not need to add new tests.
• 存在兼容性问题（接口, 配置，数据，灰度），如果存在需要进行文档说明 / This PR has compatibility issues (API, Configuration, Data, GrayRelease), if so, need to be documented.
• 包含相关的的指南以及文档或者不需要新增文档 / This PR has updated usage guidelines and documentation or not need
• 通过必要的检查项 / All checks are green

[codecov-commenter]

Codecov Report

Merging #6134 (5d5052b) into feat/nv21 (c7669c0) will decrease coverage by 1%.
Report is 6 commits behind head on feat/nv21.
The diff coverage is 11%.

Additional details and impacted files

@@             Coverage Diff             @@
##           feat/nv21   #6134     +/-   ##
===========================================
- Coverage         24%     24%     -1%     
===========================================
  Files            663     676     +13     
  Lines          80931   82716   +1785     
===========================================
+ Hits           19787   19901    +114     
- Misses         58516   60178   +1662     
- Partials        2628    2637      +9     

[LinZexiao]

TGTM