Luck is such a mysterious concept that it’s hard to explain. But the Feng Shui of a house, which is the micro-environment of your residence, does have a lot to do with your psychology, emotions, and health factors. For example, the orientation of the house, sunlight, ventilation conditions, temperature and humidity conditions, and other detailed factors that directly affect people's body and mind may have an impact on your psychology, emotion, and health. In this sense, Feng Shui has certain scientific truth.
You can check some of the above-mentioned physical conditions of your house, as well as some detailed factors that may affect your psychology and emotions in decoration, to see if these factors exist. If so, it is best to decorate them when conditions permit. Improve it within the scope. If not, don’t think too much, just get used to it.
I don’t know what kind of bad luck you are talking about, so I can’t comment in depth.