Property case: upstairs bathroom leaks, what if the upstairs owner doesn't cooperate?

1. Advise and warn the upstairs owner: Water leakage in the bathroom may cause the downstairs to be slippery and easy to fall. If an accident is caused, the upstairs owner needs to compensate for the loss; It is easy to make the wall black and moldy, and the owner needs to compensate for the losses caused. . . .

2. Put pressure on other injured owners: water leaks upstairs, causing environmental damage and pollution, causing neighbors to hate and blame. Put pressure on the owner with this.

3. If all the above suggestions are invalid, there is no other way, you can report to the police: say that the owner maliciously undermines public order and harms public interests.