You can also try these related scripts:

• mail_ustc_select_stu_domain - select mail.ustc.edu.cn domain automatically
• SwitchGPA - Hide the minor grades
• Auto select mail.ustc.edu.cn - Auto select mail.ustc.edu.cn for students.
• USTC Helper - Various useful functions for USTC students: verification code recognition, auto login, rec performance improvement and more.
• #### bb - Optimizes your grading experience using bb.ustc.edu.cn, mainly for TAs.