Naturally, this should be returned. After all, banks may make a little mistake when they contact so many people every day, but we can't let this happen to ourselves. If we find that the bank has given us more money, we are not at ease, but we should return it to the bank. Although the bank has squeezed a lot of money from us ordinary people, I want to say that this kind of money still needs to be paid back.

If the monitoring found that it was indeed overpaid and went through judicial procedures, it would be better to return such a thing if it was criminally responsible.