1) After I set my lock screen only blurred screen visible.
2) then switch my mobile from silent mode to normal mode ringtone is not ring what i set, something it rings default ringtone.
Go to setting => System => About => Software information. Check if the software version is updated. You can verify from here: https://zentalk.asus.com/en/categories/release-notes-en
Can you check under safe mode and see if the same happens?
Hold the power button for 5 seconds => When the screen flashes with option => Press & hold power option => You will get an option to restart in safe mode