According to the information of the Academic Affairs Office of Xiangtan University, the default password of the educational administration system for new teachers and freshmen is the last 6 digits of their ID cards. In addition, Baidu knows that there are generally three forms of login passwords for educational administration students: randomly generated passwords are generally sent to each student by counselors and teachers. The password and student number are the same. The last six digits of the ID number. Therefore, the default password of the school educational administration system is generally the last six digits of the ID card.