My Huawei p9 lite is crazy, what can I do?

So
- in P series
2

My phone is just black background wallpaper, but it still exists, does anyone know what I can do? (In the folder and on the phone, it is shown as usual in the background blurred)

My Huawei p9 lite is crazy, what can I do
qu

Ever tried a reboot?

So

Yes