using the default const value replace the hard code

[haoel]

No description provided.

[codecov-commenter]

Codecov Report

Merging #151 (c6038c0) into main (db50a78) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #151   +/-   ##
=======================================
  Coverage   92.18%   92.18%           
=======================================
  Files          45       45           
  Lines        3197     3197           
=======================================
  Hits         2947     2947           
  Misses        185      185           
  Partials       65       65           

Impacted Files	Coverage Δ
conf/conf.go	80.44% <100.00%> (ø)

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