The 4S shop refused, because the replacement only takes 10 minutes, and the plastic surgery may take 2 hours. Besides, you need to buy a racket. The cost varies greatly. In addition to painting, I charge you 3500 yuan, telling you that because you are an old customer, I will give you a good discount to thank him. If he says he can't fix it, ask him what level of sheet metal master you are. It is possible to give him a piece of iron and knock on your fender.
However, if the putty is used too much in the later period, or the putty is brushed before it is dry, the paint will indeed fall off.