Labels

• bug

  Something isn't working
• documentation

  Improvements or additions to documentation
• duplicate

  This issue or pull request already exists
• enhancement

  New feature or request
• good first issue

  Good for newcomers
• help wanted

  Extra attention is needed
• invalid

  This doesn't seem right
• optimization

  有些代码可以写的更好。
• question

  Further information is requested
• test-cases

  测试用例的补充
• wontfix

  This will not be worked on