Release 3.3.0

Fix mac_helper permission

Merge pull request XX-net#4468 from yeahwu/master

release 3.2.8,fix lost ip when disconnecting Internet

Merge pull request XX-net#4356 from yeahwu/master

release 3.2.7,fix some bug

Merge pull request XX-net#3904 from yeahwu/master

release 3.2.6 ,fix some bug

Merge pull request XX-net#3814 from yeahwu/master

fix mac os can't start and add nice ip

release 3.2.4，open auto update

Merge pull request XX-net#3727 from cc941201/master

修复自动更新

Merge pull request XX-net#3669 from yeahwu/master

release 3.2.2, fix some bug

Merge pull request XX-net#3621 from zlsun/patch-1

Fix typo