shop page not load auto when on Keep the page number in the url

. Theme settings > Product archive > products Grid > Products pagination > infinite scrolling
. Keep the page number in the url > on
..
. visit shop/catagory page > click a products then open single products page
. Back to single products page to agein shop page
. then scrolling bottom to top, products not scroll all
. only scroll the current page number page.
it is possible to scroll infinite to top
……
suppose i have now 4 number page in url, i scroll to top 3, 2, 1 page, that load auto