[Issue3205]Fix the issue of check style in client and broker modules.

[zongtanghu]

Make sure set the target branch to develop

What is the purpose of the change

Fix the issue of check style in client and broker modules.

Brief changelog

Fix the issue of check style in client and broker modules.

Verifying this change

I have already run the maven build command in my local enviroments.

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• Write necessary unit-test(over 80% coverage) 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 integration-test in test module.
• Run mvn -B clean apache-rat:check findbugs:findbugs checkstyle:checkstyle to make sure basic checks pass. Run mvn clean install -DskipITs to make sure unit-test pass. Run mvn clean test-compile failsafe:integration-test to make sure integration-test pass.
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[coveralls]

Coverage decreased (-0.06%) to 54.069% when pulling 73db297 on zongtanghu:develop_fix_4.9.1_codestyle into 5e58893 on apache:develop.