Is findprovs update after unpin?

Hi, i’m trying to understand how findprovs is work.
I have few questions:

  • findprovs display all peers which have this hash?
  • Is findprovs updating list of peers after one of this peers removed file from his node?

env:go1.13.4 windows/amd64/go-ipfs0.4.22
question1: yes.
question2: I found this problem will not updating.but i dont know whether it affect peers who use ipfs get hash.