The elevator door on the roof is unlocked. Where should I complain?

If the elevator door on the roof is unlocked, you should complain to the property.

The roof elevator is the roof elevator. The elevator machine room is a place where special elevator traction machine equipment and elevator controller equipment are set up. In addition, there are power distribution boxes, computer room lighting distribution boxes and fans (axial fans) dedicated to supplying elevator power.

Article 942 of the General Principles of the Civil Law stipulates that the property service provider shall, in accordance with the agreement and the nature of the use of the property, properly repair, maintain, clean, afforest and manage some owners in the property service area, maintain the basic order of the property service area, and take reasonable measures to protect the personal and property safety of the owners.