add 2/3G and WIFI traffic info.

Signed-off-by: Flycoding <Flycoding@yeah.net>
complelte the system optimize UI and clear cache.

Signed-off-by: Flycoding <Flycoding@yeah.net>
clear external cache.

Signed-off-by: Flycoding <Flycoding@yeah.net>
kill virus feature.

Signed-off-by: Flycoding <Flycoding@yeah.net>