Merge pull request #4 from lianghailiang/master

update review
Merge pull request #1 from wangbo6886/master

merge
update Shopping Center

update by 李潇
Merge pull request #5 from lx719679895/master

update shopping center
Add NavigationController

Add by WB
update MainView

update by wb
Merge pull request #5 from wangbo6886/master

update review