Prevent pc.prch blocking

[luther-siyuan]

Fixed multi-client Rebalance blocking problem

[codecov-io]

Codecov Report

Merging #327 into native will not change coverage.
The diff coverage is 33.33%.

@@           Coverage Diff           @@
##           native     #327   +/-   ##
=======================================
  Coverage   25.71%   25.71%           
=======================================
  Files          47       47           
  Lines        5355     5355           
=======================================
  Hits         1377     1377           
  Misses       3792     3792           
  Partials      186      186

Impacted Files	Coverage Δ
consumer/push_consumer.go	13.23% <33.33%> (ø)	⬆️

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