class  表中能够插入xueqi flag xydm   hut.sql 添加了teacher表的xkfx

Signed-off-by: allen <wtljiayou@163.com>
Merge remote-tracking branch 'remotes/Michael/master'

Conflicts:
	database/hut.sql
Merge pull request #16 from allenwtl/master

选择排课班级能够插入xueqi flag xydm字段