(Through the login page, the administrator enters the account and password to log in to the system and then manages each module. (1) Semester information management: end the operation of adding, modifying and checking semester information! (2) Class information management: end the operation of adding, modifying and querying class information! (3) Student information management: end the operation of adding, modifying and querying student information! (4) Course information management: end the operation of adding, modifying and querying course information! (5) Achievement information management: end the operation of adding, modifying and querying achievement information!)