fix: IdentityHandler arg

[appleboy]

fix #158

[codecov-io]

Codecov Report

Merging #159 into master will increase coverage by 0.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #159      +/-   ##
==========================================
+ Coverage   95.83%   95.84%   +0.01%     
==========================================
  Files           1        1              
  Lines         312      313       +1     
==========================================
+ Hits          299      300       +1     
  Misses          9        9              
  Partials        4        4

Impacted Files	Coverage Δ
auth_jwt.go	95.84% <100%> (+0.01%)	⬆️

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