pkg: avoid make channel every time

[rleungx]

What problem does this PR solve?

Issue Number: Close #9004.

What is changed and how does it work?

Only do initialization when there is no channel.

Check List

Tests

• Unit test

Release note

None.

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: JmPotato, lhy1024

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• OWNERS [JmPotato,lhy1024]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2025-01-17 03:32:07.168516012 +0000 UTC m=+262198.623562160: ☑️ agreed by JmPotato.
• 2025-01-17 04:47:04.540714053 +0000 UTC m=+266695.995760202: ☑️ agreed by lhy1024.

[codecov]

Codecov Report

Attention: Patch coverage is 96.66667% with 1 line in your changes missing coverage. Please review.

Project coverage is 76.28%. Comparing base (a99abe3) to head (9b4a8d4).
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #9009      +/-   ##
==========================================
- Coverage   76.35%   76.28%   -0.07%     
==========================================
  Files         465      465              
  Lines       70536    70512      -24     
==========================================
- Hits        53856    53789      -67     
- Misses      13338    13372      +34     
- Partials     3342     3351       +9     

Flag	Coverage Δ
unittests	76.28% <96.66%> (-0.07%)	⬇️

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