update config description / 更新config的解释

[elvin-du]

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.
• 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 #209 (994e517) into master (462e6e7) will not change coverage.
The diff coverage is n/a.

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Additional details and impacted files

@@           Coverage Diff           @@
##           master     #209   +/-   ##
=======================================
  Coverage   31.38%   31.38%           
=======================================
  Files          58       58           
  Lines        3983     3983           
=======================================
  Hits         1250     1250           
  Misses       2578     2578           
  Partials      155      155           

Flag	Coverage Δ
unittests	31.23% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

[Fatman13]

LGTM