Huawei's mobile phone screen lock wallpaper is set to automatic switching mode, just turn on the "interactive screen saver" function of the mobile phone:

Step 1, unlock the mobile phone and enter the mobile phone desktop;

Step 2, find "Settings" on the mobile phone desktop and click to enter;

Step 3, find "Display" in the setting interface and click to enter;

Step 4, find the "interactive screen saver" function in the display interface and click to enter;

Finally, turn on the interactive screen saver switch and select the screen saver picture.