Merge pull request #11 from tobeyouth/remote_background

Remote background
lzl test
Merge branch 'lzl' into merge_lzl
Merge branch 'merge_lzl' into lzl
Merge pull request #12 from linzhenlong/remote_lzl

Remote lzl
添加后台首页和子类首页
Merge branch 'master' into background