fix the background
Merge branch 'dev' of https://github.com/yangsiy/Plask into dev
Merge branch 'dev' of https://github.com/yangsiy/Plask into dev
Merge branch 'dev' of https://github.com/yangsiy/Plask into dev
Merge branch 'dev' of https://github.com/yangsiy/Plask into dev
Merge branch 'dev' of https://github.com/yangsiy/Plask into dev
Merge branch 'dev' of https://github.com/yangsiy/Plask into dev
Merge branch 'dev' of https://github.com/yangsiy/Plask into dev
Merge branch 'dev' of https://github.com/yangsiy/Plask into dev
change the icon to the text which on the navbar