提示:
         校友登录：账号为校友就读时的学号，密码为生日。（8位数字）
         教职员登录：开机账号密码。(教职员请PC端登录操作)
Prompt:
         Alumni login:The account number is the student number of the alumni when they study, and the password is the birthday. (8 digits)
         Staff login:Power-on account password.(Please log in to the PC terminal for operation)