Labels

• bug

  Something isn't working
• documentation

  Improvements or additions to documentation
• enhancement

  New feature or request
• good first issue

  Good for newcomers
• help wanted

  Extra attention is needed
• invalid

  This doesn't seem right
• question

  Further information is requested
• 预警：屎山

  该PR可能会引发后续代码维护中堆叠屎山代码
• 预警：维护困难

  该PR可能会引发后续代码维护中存在困难，例如多处存在相同代码，导致顾头不顾腚