🔖 Release v2.7.0

🔖 Release v2.6.0

🔖 v2.5.0 升级程序

🎨 b3log#12345 自定义导航单元测试跟进

🐛 修复数据库连接泄露

🔖 Release 2.2.0

Merge remote-tracking branch 'refs/remotes/origin/2.1.0-dev'

Merge remote-tracking branch 'refs/remotes/origin/2.0.0-dev'

Merge remote-tracking branch 'refs/remotes/origin/2.0.0-dev'

Merge remote-tracking branch 'refs/remotes/origin/1.8.0-dev'