The door shaft is loose and deformed. The refrigerator sealing strip bought at the store is not easy to use because the door shaft is loose and deformed, which will affect the magnetism of the refrigerator sealing strip. You need to unplug the power and open the refrigerator door first. You need to heat the rubber strip at the gap with the hot air of the hair dryer. Blow the hair dryer with one hand, and set the adhesive tape with the other hand, and it will be fine after cooling.