Super notch oppo rx17 neo

It doesn't work. I try all the options but it doesn't work and I don't see any notifications

Thank you

This is the page of Kustom apps, Klwp, Kwgt, Klck, what is the app that don't work?

I bought KLWP pro to intall the notifications. It's seems that every change about The app KLWP doesn't work. I try with standard launcher and Nova Launcher