In order to be more secure, adding letters and numbers will increase the security strength.

The Academic Affairs Office is responsible for timely feedback or submission (application) of instructions and instructions from superiors to relevant departments, application reports from teaching departments and teachers and students, coordination requirements from other departments, complaints from students and teaching information. For matters that can't be handled temporarily or can't be handled, the reasons and relevant information should be informed to the handling party in time so that any work can be handled from beginning to end.