When I add an "Unsubscribe Feedback Form" to an email, how to pick up the email by default? (I don't want the user to fill the email again))

I still did not find the solution for this, the page clearly has the record of the email as you can see in the screenshot.

However setting auto fill to yes does not work

I also read this How to pre populate a form with an email address for idiots like me. however this would be challenging to append to all references of the {unsubscribe_url}