Most university dormitories are closed after 1 1 and students will not be allowed in. Closed on weekends 1 1: 30. But the situation in each dormitory is different.

Refers to the prohibition authority of "door", which is a precaution against "door". The "doors" here, in a broad sense, include all kinds of passable passages, including doors for people and vehicles. Therefore, access control includes vehicle access control.