Revert a7f261b..2baf914

This rolls back to commit a7f261b6148b0f605f950720d0f6758f368154e3.
添加了UerBL类

TODO需要cyl看一下
Merge branch 'zj'
Revert a7f261b..d2d7ce4

This rolls back to commit a7f261b6148b0f605f950720d0f6758f368154e3.
新建了UserBL类，陈云龙看一下TODO

刚刚脑抽了，其实只要把我改的文件粘过来就可以了QvQ