No notifications in app

Hi, I’m a premium user. I use the moviebase app on my Pocophone X3 smartphone, with MIUI 14, I’ve never received notifications of new seasons and new episodes. I only receive them if I open the app but that way it’s not useful. Everything is enabled and I also turned off energy saving, so the app should stay active. Who can help me? Thanks

many thanks for lots of reply

@None_None Do you close the app completely or is it just in the background?