fix: golangci-lint 1.55.2 run error

[shipengqi]

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fix: golangci-lint 1.55.2 run error

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Fixes #(issue)

Check list:

• Mark if documentation changes are required.
• Mark if tests were added or updated to cover the changes.

[codecov-commenter]

Codecov Report

Merging #45 (3567fac) into main (20e1185) will decrease coverage by 0.03%.
Report is 1 commits behind head on main.
The diff coverage is 100.00%.

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@@            Coverage Diff             @@
##             main      #45      +/-   ##
==========================================
- Coverage   71.72%   71.69%   -0.03%     
==========================================
  Files          22       22              
  Lines         976      975       -1     
==========================================
- Hits          700      699       -1     
- Misses        200      201       +1     
+ Partials       76       75       -1     

Flag	Coverage Δ
unittests	71.69% <100.00%> (-0.03%)	⬇️

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Files	Coverage Δ
crtutil/tmpl/funcs.go	67.13% <100.00%> (-0.23%)	⬇️

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