Before Creating the Enhancement Request

• I have confirmed that this should be classified as an enhancement rather than a bug/feature.

Summary

Extract the frequency of calling updateNamesrvAddr into a configuration

Motivation

Currently, the NameServerAddressList is updated every 2 minutes by default, which means that when there is a change in the nameserver address, the broker cannot quickly perceive it.

Describe the Solution You'd Like

Extract the frequency of calling updateNamesrvAddr into a configuration

Describe Alternatives You've Considered

None

Additional Context

No response