Why is my cool dog music interface black and white?

Cool dogs are not black and white every day. This is just a special anniversary.

. Usually, the icon of the cool dog is blue. If one day the icon turns black and white, it is to commemorate an anniversary together, and other application icons seen on the mobile phone that day are basically black and white, so it will not affect the user's visual experience after today. It is also because the skin color of cool dog music is set to black and white in the cool dog music settings. If you want to change the skin color of cool dog music, you can change the skin color of cool dog music according to the following steps.