Merge pull request #76 from HollyDAI/xr

Merge pull request #75 from HollyDAI/master
FIlter 添加
修改为loginUser
Merge pull request #77 from HollyDAI/2c

FIlter 添加
二手页面修改
Merge remote-tracking branch 'origin/master' into xr
设置课程信息的功能完成5.16