I can't passthrough gpu in my game vm

I cannot see my gpu in my game vm now

please help

what I did before:

1.created snapshot in my game VM

2.changed settings in vm manager

3.updated unraid system to latest

some extra info:

1.in tool-system devices, I can see my gpu

2.in nvidia driver plugin, I can see Installed GPU

3.in vm tab, my game VM setting, my gpu can be selected

4.even I recreate a new vm with gpu, the virtual win11 system works well with gpu

blackserver-diagnostics-20250510-2148.zip