system: IOS15.2
taking iPhone13 as an example, the lock screen has music playing because the music player is turned on and the process is not closed. Divided into two steps, The specific steps are as follows: 1 enter the settings music <: ! -1 Step 1: Set music -->
open the phone settings icon and click music options.
2 Turn off the display of Music <; ! -2 Step 2 Turn off the display of music->
after entering the page, the button on the right side of Apple Music will be displayed to close.