fix: rollback tipset

[simlecode]

关联的Issues (Related Issues)

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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

Attention: Patch coverage is 36.84211% with 12 lines in your changes missing coverage. Please review.

Project coverage is 23%. Comparing base (1282e39) to head (7b89946).
Report is 2 commits behind head on master.

Additional details and impacted files

@@          Coverage Diff           @@
##           master   #6425   +/-   ##
======================================
- Coverage      23%     23%   -1%     
======================================
  Files         742     742           
  Lines       93931   93936    +5     
======================================
- Hits        21948   21934   -14     
- Misses      69121   69136   +15     
- Partials     2862    2866    +4