fix: get current dir error

[jwrookie]

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Why submit this pull request?

• Bugfix
• New feature provided
• Improve performance
• Backport patches

What changes will this PR take into?

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Related issues

fix/resolve #2281

Checklist:

• Did you explain what problem does this PR solve? Or what new features have been added?
• Have you added corresponding test cases?
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[zaunist]

Do we need to consider separate path for Windows? Ref https://pkg.go.dev/path#pkg-overview, the path package does not support Windows path.

 This package does not deal with Windows paths with drive letters or backslashes;

[jwrookie]

sorry, use filepath instead, thks for your check

[jwrookie]

@zaunist backend-e2e-test error, click

can you check it and rerun? thks

[zaunist]

cc @bzp2010 @starsz @nic-chen

[codecov-commenter]

Codecov Report

Merging #2283 (2aebfd4) into master (7624f2a) will decrease coverage by 11.72%.
The diff coverage is n/a.

❗ Current head 2aebfd4 differs from pull request most recent head 4f7002c. Consider uploading reports for the commit 4f7002c to get more accurate results

@@             Coverage Diff             @@
##           master    #2283       +/-   ##
===========================================
- Coverage   71.13%   59.41%   -11.73%     
===========================================
  Files          57       57               
  Lines        3905     3905               
===========================================
- Hits         2778     2320      -458     
- Misses        831     1260      +429     
- Partials      296      325       +29     

Flag	Coverage Δ
backend-e2e-test	?
backend-e2e-test-ginkgo	59.41% <ø> (+0.30%)	⬆️
backend-unit-test	?

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
api/internal/handler/data_loader/route_import.go	3.28% <0.00%> (-64.24%)	⬇️
api/internal/utils/runtime/runtime.go	5.55% <0.00%> (-61.12%)	⬇️
api/internal/core/store/validate_mock.go	0.00% <0.00%> (-60.00%)	⬇️
api/internal/core/store/store.go	64.58% <0.00%> (-25.00%)	⬇️
api/internal/handler/service/service.go	69.35% <0.00%> (-23.39%)	⬇️
api/internal/filter/authentication.go	55.55% <0.00%> (-22.23%)	⬇️
api/internal/handler/global_rule/global_rule.go	68.11% <0.00%> (-17.40%)	⬇️
...pi/internal/handler/plugin_config/plugin_config.go	63.10% <0.00%> (-16.51%)	⬇️
api/internal/handler/route/route.go	64.34% <0.00%> (-15.90%)	⬇️
api/internal/filter/ip_filter.go	60.86% <0.00%> (-15.22%)	⬇️
... and 14 more

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[zaunist]

cc @bzp2010