Merge branch 'v2.1.7'
tray icon
Merge branch 'v2.1.8'
Merge branch 'master' into v2.1.9
trayicon mac
trayicon-ubuntu[need-test-on-other-platform]
mac application status
1. exception handler
2. md5
shiftVisableStatus
Merge branch 'v2.1.8' into v2.1.9
weburl appstore param
mactoolbar
upgrade markdown
修复阅读模式全选删除问题
file monitor [unfinished]
file monitor
only upload attach if data modified
compile error
remove unused image files in note
update web view at wheel event