chore: fix some comments for struct field

[yuhangcangqian]

关联的Issues (Related Issues)

fix some comments for struct field

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

[simlecode]

Execute make api-gen to generate documentation

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 25%. Comparing base (da0560e) to head (c4c7bfd). Report is 4 commits behind head on master.

Additional details and impacted files

@@          Coverage Diff           @@
##           master   #6380   +/-   ##
======================================
  Coverage      25%     25%           
======================================
  Files         676     676           
  Lines       68027   68027           
======================================
+ Hits        17567   17568    +1     
+ Misses      47656   47654    -2     
- Partials     2804    2805    +1