Merge pull request #55 from HollyDAI/master

Merge pull request #54 from HollyDAI/xr
5.14
Merge branch 'xr' of https://github.com/HollyDAI/seweb.git into xr
Merge pull request #58 from HollyDAI/master

5.14
5.14
修改
5.14.6
5.14.7
5.14.6
课程设置
Merge pull request #61 from HollyDAI/master

5.14.8
Merge branch 'xr' of https://github.com/HollyDAI/seweb.git into xr
Merge pull request #62 from HollyDAI/xr

Xr各种merge