refactor: tidy up the code for better readability

[laojianzi]

No description provided.

[deepsource-io]

Here's the code health analysis summary for commits 472748e..76c3d26. View details on DeepSource ↗.

Analysis Summary

Analyzer	Status	Summary	Link
Go	✅ Success		View Check ↗
Test coverage	✅ Success	❗ 32 occurences introduced 🎯 22 occurences resolved	View Check ↗

Code Coverage Report

Metric	Aggregate	Go
Composite Coverage	84.3% (down 3.7% from main)	84.3% (down 3.7% from main)
Line Coverage	84.3% (down 3.7% from main)	84.3% (down 3.7% from main)
New Composite Coverage	81.8%	81.8%
New Line Coverage	81.8%	81.8%

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