1，1套完美的学生/老师登陆系统 2，老师可增加/删除科目，学科等信息 3，可增加/删除学生信息 4，分5个版块：[学生资料管理] [学生成绩管理] [系统设置] [查询与报表] [操作员管理] [退出]-Sets the perfect 1,1 Student/Teacher 2 landing system, teachers can increase/delete subjects, 3 subjects, such as information, can increase/d