Is Heilongjiang University closed in 222?

According to relevant information, Heilongjiang University was closed in 222. According to the notice of official website, the official school of Heilongjiang University in 222, because of the need of epidemic prevention and control, the school decided to extend the static observation period and continue to implement closed campus management. Family members of faculty and staff are not allowed to enter the campus, and students are not allowed to leave the school in principle. If they really need to go out, they must strictly implement the procedures for cancellation of leave. Therefore, Heilongjiang University was closed in 222.