### Search before asking - [X] I had searched in the [issues](https://github.com/apache/eventmesh/issues?q=is%3Aissue) and found no similar issues. ### Environment Linux ### EventMesh version master ### What happened This method needlessly uses a String literal as a Charset encoding [SendSyncMessageProcessor] ### How to reproduce SendSyncMessageProcessor类中第283行不要指定"UTF-8"，使用StandardCharsets.UTF_8。 ### Debug logs _No response_ ### Are you willing to submit PR? - [X] Yes I am willing to submit a PR!
Search before asking
Environment
Linux
EventMesh version
master
What happened
This method needlessly uses a String literal as a Charset encoding [SendSyncMessageProcessor]
How to reproduce
SendSyncMessageProcessor类中第283行不要指定"UTF-8"，使用StandardCharsets.UTF_8。
Debug logs
No response
Are you willing to submit PR?