Do not open the door. According to the management regulations of Inner Mongolia University for Nationalities, the dormitory of Inner Mongolia University for Nationalities will not open at midnight 12, but will close at 1 1: 30. Students who come home late can enter the building through the emergency door of the campus card. According to the national unified holiday arrangement: 202 1 May1(Saturday) to May 5 (Wednesday), the holiday will be suspended for 5 days. Go to work on Sunday, April 25th and Saturday, May 8th. Teaching arrangements are coordinated by the Academic Affairs Office.