Children and grandchildren are their own children or grandchildren; For men, wife wealth is a wife, for women, wife wealth is not discussed by relatives; Officials and ghosts are a combination of officials and ghosts. When you understand it, you should look at it from two directions. When you present yourself as an official, you are a noble person. When you present it as a ghost, you are a villain. Of course, when science can't explain it, you can also imagine it as an immortal or a ghost. So, when did it appear as an official and when did it appear as a ghost? The answer is to see whether it is good or bad for the official ghost to be too cruel to the client. Good is an official, bad is a ghost.