chore: update some code style

[thinkerou]

No description provided.

[codecov]

Codecov Report

Merging #2356 into master will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #2356   +/-   ##
=======================================
  Coverage   98.48%   98.48%           
=======================================
  Files          41       41           
  Lines        2305     2305           
=======================================
  Hits         2270     2270           
  Misses         20       20           
  Partials       15       15           

Impacted Files	Coverage Δ
context.go	98.08% <100.00%> (ø)
gin.go	99.13% <100.00%> (ø)

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