chore: resolve lint of internal/controller/eventbus

[wenfengwang]

fix lints

[codecov]

Codecov Report

Merging #82 (ce87e6f) into main (8756389) will decrease coverage by 0.04%.
The diff coverage is 60.00%.

@@            Coverage Diff             @@
##             main      #82      +/-   ##
==========================================
- Coverage   41.44%   41.40%   -0.05%     
==========================================
  Files          93       93              
  Lines        8071     8065       -6     
==========================================
- Hits         3345     3339       -6     
  Misses       4455     4455              
  Partials      271      271              

Impacted Files	Coverage Δ
internal/controller/eventbus/block/selector.go	100.00% <ø> (ø)
internal/controller/eventbus/controller.go	0.00% <0.00%> (ø)
internal/controller/eventbus/block/block.go	57.14% <50.00%> (-0.71%)	⬇️
internal/controller/eventbus/eventlog/eventlog.go	63.68% <58.33%> (-0.12%)	⬇️
internal/controller/eventbus/volume/manger.go	64.74% <68.00%> (-0.45%)	⬇️
internal/controller/eventbus/eventlog/segment.go	82.60% <100.00%> (ø)
internal/controller/eventbus/server/instance.go	74.15% <100.00%> (ø)
internal/controller/eventbus/server/manager.go	67.64% <100.00%> (ø)

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