1. The first step is to play cool music box, as shown in the picture below:

2. Then there is a lyrics MV button in the menu bar above, click to enter View the lyrics of the songs you listen to.

3. Then you will see the lyrics progress of the song and the background picture of the song, which is usually the picture of the singer of the song.

4. Move the mouse to the left and there will be a sidebar with a lyrics background. Select a local image.

5. Find the photo you want to set as the background image in the local pictures, and double-click to select it.

6. Then when you return to the lyrics, you will find that the background image has been changed to your photo.