perfect the debug method

[wenzuochao]

No description provided.

[codecov-io]

Codecov Report

Merging #165 into master will increase coverage by 0.02%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #165      +/-   ##
==========================================
+ Coverage    94.6%   94.63%   +0.02%     
==========================================
  Files          41       41              
  Lines        1762     1771       +9     
==========================================
+ Hits         1667     1676       +9     
  Misses         58       58              
  Partials       37       37

Impacted Files	Coverage Δ
sdk/client.go	88.73% <100%> (+0.32%)	⬆️
sdk/responses/response.go	93.1% <100%> (+0.37%)	⬆️

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