well i have already opened this topic in github before long time , but now andrewdavidwong recommended me to send this topic to users section:-
https://github.com/QubesOS/qubes-issues/issues/1745#event-665419288 -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To post to this group, send email to firstname.lastname@example.org. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/KJAZjPX--3-0%40keemail.me. For more options, visit https://groups.google.com/d/optout.