What's the difference between Guan Gong with a knife and Guan Gong with a knife?

Traditionally, it is auspicious to raise a knife to Guan Gong, and it is evil to use a vertical knife to ward off evil spirits, but evil spirits and wealth are in conflict. If the evil spirits are heavy, not only accidents and disasters will occur, but also wealth will be affected. To make money, we must first resolve evil spirits, and Guan Yu is a god who respects both Buddhism and Taoism. In Buddhism, he is the Bodhisattva of Galand, who keeps a house to ward off evil spirits. In Taoism, he is Wu Caishen, who is lucky? Therefore,