There are two main user roles in this system: system administrator and ordinary user. In which a system administrator can perform user management. Ordinary users can be divided into students, teachers, academic affairs offices and other users.
System administrator: can manage users, assign group permissions, query information, etc.
Teachers: Students' information management, course information management, achievement management, teaching information management, information inquiry, achievement statistics, etc.
Student: You can check your grades and so on.