config listen execute max chan

[binbin0325]

fix:#402

[codecov-commenter]

Codecov Report

❗ No coverage uploaded for pull request base (2.0.0@494f91e). Click here to learn what that means.
The diff coverage is n/a.

@@           Coverage Diff            @@
##             2.0.0     #403   +/-   ##
========================================
  Coverage         ?   31.82%           
========================================
  Files            ?       36           
  Lines            ?     2558           
  Branches         ?        0           
========================================
  Hits             ?      814           
  Misses           ?     1684           
  Partials         ?       60           

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