The owner asked to install high-altitude cameras, but the property did not. Who is in charge except the situation?

The owner is responsible. The property has no obligation to install high-altitude cameras. If necessary, you can negotiate with the property and seek the opinions of the relevant owners. According to article 942 of the Civil Code of People's Republic of China (PRC)

Property service providers 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. Property service providers shall take timely and reasonable measures to stop acts that violate laws and regulations such as public security, environmental protection and fire protection in the property service area, report to the relevant administrative departments and assist in handling them.