关于终端中输入airflow webserver,出现打不开的问题如何解决？

1.出现问题：

sqlalchemy.exc.OperationalError: (_mysql_exceptions.OperationalError) (2002, "Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)") (Background on this error at: https://sqlalche.me/e/e3q8)sqlalchemy.exc.OperationalError: (_my