feat: remove path limit

[devhaozi]

Closes #

📑 Description

移除自动为证书路径加 . ，支持使用绝对路径配置证书。

✅ Checks

• My pull request adheres to the code style of this project
• My code requires changes to the documentation
• I have updated the documentation as required
• All the tests have passed

ℹ Additional Information

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (186d13a) 78.56% compared to head (4dbfa25) 79.09%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #50      +/-   ##
==========================================
+ Coverage   78.56%   79.09%   +0.53%     
==========================================
  Files          10       10              
  Lines         891      885       -6     
==========================================
  Hits          700      700              
+ Misses        163      159       -4     
+ Partials       28       26       -2     

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