What should I do if the sofa is stained with chocolate?

You can find some sponge, dip some special detergent, rub on it, it should be okay, sponge friction will have static electricity, which is helpful for removing stains.

If the fabric sofa is dirty, you can wipe it with a special detergent, and it is recommended that you make a sofa cover, so that if the sofa is dirty, you can directly remove the cover and wash it. Next, I will share with you how to clean and maintain a fabric sofa >>>More

Cats and dogs are different, cats don't need a nest, so you don't have to be afraid of it dirty, just wash it, throw it outside, and keep calling it so annoying.

Actually got dirty. This is also easy to do. Start by lightly sanding with sandpaper, then paint two to three times with the same color. That's going to be fine. If it's the wrong color. Only apply it all. Otherwise, it won't look good.

If it is dirty, it can be removed and washed.