Xiaomi Redmi Notifications

I bought new phone. Xiaomi Redmi Note 8.
On lock screen there isn’t seem notifications.
there is sound but the notifications does’t appear on lock screen.

I checked all setting. i searched on sites how to resolve this problem and did everything correctly, but it does’t work.

every time when i get notifications i need to unlock phone and see then from top bar.

So please help me to fix this problem.

system and apps are updated

Hey there!
Check the solution in this link