[ISSUE #2267] Simplify the code

[weihubeats]

Fixes #2267

Motivation

Explain the content here.
Explain why you want to make the changes and what problem you're trying to solve.

Modifications

Describe the modifications you've done.

Documentation

• Does this pull request introduce a new feature? (yes / no)
• If yes, how is the feature documented? (not applicable / docs / JavaDocs / not documented)
• If a feature is not applicable for documentation, explain why?
• If a feature is not documented yet in this PR, please create a followup issue for adding the documentation

[horoc]

hi, @weihubeats , thanks for the contribution, there are some check style errors in this pr, could you help to solve the error?

[codecov]

Codecov Report

Merging #2268 (f300c20) into master (c6fb147) will increase coverage by 0.00%.
The diff coverage is 0.00%.

@@            Coverage Diff            @@
##             master    #2268   +/-   ##
=========================================
  Coverage     11.74%   11.74%           
  Complexity      897      897           
=========================================
  Files           468      468           
  Lines         27861    27849   -12     
  Branches       3010     3010           
=========================================
  Hits           3272     3272           
+ Misses        24290    24278   -12     
  Partials        299      299           

Impacted Files	Coverage Δ
.../client/grpc/config/EventMeshGrpcClientConfig.java	71.42% <0.00%> (+32.96%)	⬆️

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