Solution:
(1) Adjust the position of the main sofa. If it is temporarily impossible to adjust, please use the following methods to solve it.
(2) A string of ten emperors' money, five emperors' money and six emperors' money can be hung on the back of the main sofa.
(3) Put a statue of the god of wealth or a golden toad on the coffee table next to the sofa or in a suitable position, with its head facing the doors and windows.