Update to version 2.3.2, change notification background color in dark…

… mode

Optimize drop-down menu style, adjust inner margins and borders to im…

…prove user experience

Update README.md

Update RELEASE.md

Update manual_release.yml

Update manual_release.yml

Update manual_release.yml

Merge pull request #413 from SpeedPartner/master

Master: Remake theme icon

Merge pull request #414 from SpeedPartner/18.06

18.06: 重制主题图标

Update master_release.yml