Shared Airtag only update locatoin to 1 user

User A own the AirTag, shared with User B

User B pick up the AirTag and travel away, said 10 miles away

AirTag location is constantly correctly updated in User B's iphone

But User A cannot see the updated location of the AirTag after A and B aparted, no updates for hours.

and only get update when User A and B meet, which update to "Nearby"

If this is normal?

If there is some setting that could solve the issue?