Keep registering spec & fix some style

[xxx7xxxx]

No description provided.

[megaeasex]

[TASK:easegress-pr-test SUCCESS]megaease/easegress Pull Request 311 Deploy Test Success

[codecov-commenter]

Codecov Report

Merging #311 (1da4c42) into main (514ba09) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #311   +/-   ##
=======================================
  Coverage   80.23%   80.23%           
=======================================
  Files          53       53           
  Lines        6098     6098           
=======================================
  Hits         4893     4893           
  Misses        943      943           
  Partials      262      262           

Impacted Files	Coverage Δ
pkg/object/meshcontroller/spec/spec.go	86.95% <100.00%> (ø)
pkg/util/jmxtool/agent_controller.go	64.70% <100.00%> (ø)

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