The student status management system has a period of time for system maintenance every year, that is, the time when the student status network is closed. Then the student registration system of 202 1 was closed, and the maintenance time was 202 1. July1~ 2021July 12. During the period, there is no way to log in to the student registration system and there is no way to operate it. There is a period of system maintenance every year. When the system is turned on, the maintenance information will pop up. Except for this time, the school is open.