fix some comments

[cuishuang]

No description provided.

[yurishkuro]

thanks

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (015020d) 97.05% compared to head (4a22cf6) 97.05%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4410   +/-   ##
=======================================
  Coverage   97.05%   97.05%           
=======================================
  Files         300      300           
  Lines       17740    17740           
=======================================
  Hits        17217    17217           
  Misses        419      419           
  Partials      104      104           

Flag	Coverage Δ
unittests	97.05% <ø> (ø)

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

Impacted Files	Coverage Δ
cmd/agent/app/reporter/grpc/reporter.go	100.00% <ø> (ø)
cmd/query/app/query_parser.go	100.00% <ø> (ø)
...in/sampling/strategystore/static/strategy_store.go	97.26% <ø> (ø)

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