How do i bump a topic?

Sticky post? If so, try Adhesive.

Or if it’s a one time deal (not to be permanent) edit the post and change the timestamp to the current time.
TG

yap i use time change. but it would change the URI of the post in default permalink structure. that is why i use postno/postname instead of date dependent URI. ??

Weird, it shows all the elements of how a regular post would be displayed. In Kubrick, date and all.