本系统设有管理员，教师两个身份，也有新教师注册的功能。教师只可以查询和修改自己信息的，管理员可以查询，修改并删除全部教师的信息（可搜索）。-With the system administrator, the identity of the two teachers, but also the function of registration of new teachers. Teachers can only modify their own inquiries and information