[fix] some statement can be simplified

[llnancy]

What is the purpose of the change

make some 'if' statement be simplified and format code

Brief changelog

Verifying this change

Checklist

• Make sure there is a GitHub_issue field for the change (usually before you start working on it). Trivial changes like typos do not require a GitHub issue. Your pull request should address just this issue, without pulling in other changes - one PR resolves one issue.
• Each commit in the pull request should have a meaningful subject line and body.
• Write a pull request description that is detailed enough to understand what the pull request does, how, and why.
• Check if is necessary to patch to Dubbo 3 if you are work on Dubbo 2.7
• Write necessary unit-test to verify your logic correction, more mock a little better when cross module dependency exist. If the new feature or significant change is committed, please remember to add sample in dubbo samples project.
• Add some description to dubbo-website project if you are requesting to add a feature.
• GitHub Actions works fine on your own branch.
• If this contribution is large, please follow the Software Donation Guide.

[codecov-commenter]

Codecov Report

Merging #10525 (7656871) into 3.1 (db210e0) will increase coverage by 0.06%.
The diff coverage is 75.00%.

@@             Coverage Diff              @@
##                3.1   #10525      +/-   ##
============================================
+ Coverage     64.57%   64.64%   +0.06%     
  Complexity      396      396              
============================================
  Files          1331     1331              
  Lines         56548    56544       -4     
  Branches       8370     8368       -2     
============================================
+ Hits          36517    36553      +36     
+ Misses        16084    16042      -42     
- Partials       3947     3949       +2     

Impacted Files	Coverage Δ
...bbo/rpc/cluster/loadbalance/RandomLoadBalance.java	74.19% <75.00%> (+8.47%)	⬆️
...he/dubbo/rpc/listener/ListenerExporterWrapper.java	68.00% <0.00%> (-20.00%)	⬇️
...ng/transport/dispatcher/all/AllChannelHandler.java	62.06% <0.00%> (-6.90%)	⬇️
...org/apache/dubbo/rpc/protocol/AbstractInvoker.java	66.97% <0.00%> (-3.67%)	⬇️
...ubbo/common/url/component/param/DynamicValues.java	78.12% <0.00%> (-3.13%)	⬇️
...a/org/apache/dubbo/monitor/dubbo/DubboMonitor.java	88.09% <0.00%> (-2.39%)	⬇️
...exchange/support/header/HeaderExchangeHandler.java	61.06% <0.00%> (-1.77%)	⬇️
...dubbo/remoting/exchange/support/DefaultFuture.java	87.06% <0.00%> (-0.87%)	⬇️
...java/org/apache/dubbo/remoting/api/Connection.java	80.83% <0.00%> (-0.84%)	⬇️
...rg/apache/dubbo/common/timer/HashedWheelTimer.java	85.56% <0.00%> (-0.69%)	⬇️
... and 17 more

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