Fix #4 change clock's font-family to roboto.ttf.
Add format method to date.No()w
Fix when locale not zh-cn, still show information link's error.
Optimize re-set download wallpaper name's logic.
Change wallpaper to Wallpaper.
Fix when locale not zh-cn, change knows to search link.
Change wallpaper to Wallpaper.
Update version 1.0.3.