Labels

• 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
• question

  Further information is requested
• wontfix

  This will not be worked on
• 购买学生票BUG

  修复购买学生票时不能同时购买多张学生票的一个BUG。主要是逻辑错误。