Coloros lock screen

Hi everyone, ive been an android and xda user for a long time, just got my first Oppo, reno Z.

Google changed a few things in pie that annoy me but Coloros is quite nice for me, except for the lock screen. Mine only displays notification content and icons when they were received while the lock screen is active. Once i unlock and lock they aren’t shown on the lock screen. That annoys me. Also the volume keys are inactive while locked.

Is there any solution to this?

Thanks