First, unscrew the screw and replace the stainless steel screw. If it is not recommended to spray a layer of anti-corrosion liquid wax before replacing ordinary screws, you can also tighten the screws and seal the nuts with glue bars or glass glue. Even if the adhesive tape was removed later, wallpaper knife came down with a button. Cover with decorative cover after curing. I hope the answer will help you. Have a nice trip.