model switch OK now.

Change-Id: I90373d8825d40e411fe055821156286417d3921e
Signed-off-by: Sharl <amoiz.shine@gmail.com>
UI changes,and few bug fix.

Change-Id: Ie018b87b315c4d22a1cffda3e29caeab9029d855
Signed-off-by: Sharl <amoiz.shine@gmail.com>