New notification delay

[BlueY]

after update to miui 14, my poco f3 in miui14.0.4 is facing the problem notification not showing or delay after few hours even follow these steps
(https://xiaomiui.net/fix-notifications-on-miui-china-208/)
specially like telegram, whasapp, messenger, etc...are delay or not showing

but wechat is no problem

 

[emptystackexn]

A thread about notifications already exist. Please post there.