What should I do if the top floor without property leaks? Who should I recruit?

It stands to reason that you should pay the maintenance fund for the water leakage in the community, so there is no property now, and the maintenance fund should be in the Housing Authority. You can ask, this was handed in by the first batch of people who entered the community, and now it should be used to repair leaks.

If you go to other users' homes, they may not want to, unless they also leak water! This is human nature. If it weren't for a unified manager, if it weren't for a leak in your house, you wouldn't ask today, would you?