1 add annoucement, 2 adjust contacts style
fix word
add comments
refresh APP toolbar after uninstall APP
Merge pull request #82 from xiaomengli/master

1 add annoucement, 2 adjust contacts style
adjust APP style. fix duplicate apps bug
adjust style
Merge pull request #83 from xiaomengli/master

1，adjust APP style. 2， fix duplicate apps bug
Tweak styles
Merge pull request #85 from windyarts/popmenu

Tweak styles