The house is in the south and there is no sunlight. How should I ward off evil spirits or do related Feng Shui? Please give guidance

The house is in the south, why is there no sunlight? Is it blocked by the house in front or something else? If this is the case, then change your place to live, because the house facing south is the heaviest when it is shaded from the sun, and is heavier than the house facing north without sunlight. If you cannot change your place, put a pot at the door of the south house. Big cactus, remember, want a big one