What rules did the private lock violate?

Legal Analysis: Installing the ground lock without permission violates the provisions of the Civil Law of People's Republic of China (PRC). It is illegal to install a ground lock without permission. Because the owner has the right to ask the construction unit, the property service enterprise or other managers and other owners to bear civil liability for their violations of their legitimate rights and interests. Private locks infringe upon other owners' right to use their property, infringe upon the legitimate rights and interests of others, and need to bear civil liability and compensate other owners for their losses.

Legal basis: Article 287 of the Civil Law of People's Republic of China (PRC), the owner has the right to require the construction unit, the property service enterprise or other managers and other owners to bear civil liability for acts that infringe upon their legitimate rights and interests.