The entrance to the office entrance is still very particular. First of all, we must have a front desk and a wall behind the front desk. In this case, there will be support, but there must be no people in front of the front desk seat, and the door at the office entrance cannot It should not be facing the elevator door, nor should it be door-to-door, which would be a hedge. It should also not be facing the toilet, as facing the toilet would create evil spirits.