First of all, make sure that you haven't thought about such problems during the day, or that such problems have occurred or seen such phenomena. If there is, then the explanation is: thinking day and night, there is nothing to explain too much.
Secondly, if you have this dream for no reason, then you should pay attention to your interpersonal communication. Don't be too harsh in doing things, but forgive others.
Another explanation is that there may be peach blossoms recently.