The elevator can change the door frame of the hall privately.

Does the subject want to ask, "Can the elevator change the door frame of the hall privately?" You can't. According to the information in the Property Management Law, the elevator can't change the door frame of the hall without permission. If you plan to modify it, you must first obtain the consent of the people in the jurisdiction and apply to the property management department for approval. The original functions and equipment of the elevator room, such as lighting, fire fighting, ventilation, access control and other facilities, cannot be destroyed during the transformation.