fix: doc-gen of gateway / 正确生成gateway v2的接口文档

[diwufeiwen]

关联的Issues (Related Issues)

close

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 #5639 (2b90a06) into master (238fcc7) will decrease coverage by 0%.
The diff coverage is n/a.

❗ Current head 2b90a06 differs from pull request most recent head 5033f1a. Consider uploading reports for the commit 5033f1a to get more accurate results

Additional details and impacted files

@@          Coverage Diff           @@
##           master   #5639   +/-   ##
======================================
- Coverage      26%     26%   -1%     
======================================
  Files         613     613           
  Lines       69465   69465           
======================================
- Hits        18087   18083    -4     
- Misses      48995   48999    +4     
  Partials     2383    2383           

[simlecode]

LGTM