### Search before asking - [X] I had searched in the [issues](https://github.com/apache/eventmesh/issues?q=is%3Aissue) and found no similar issues. ### Documentation Related This is a subtask of GLCC Subject https://github.com/apache/eventmesh/issues/4040. Write comments for each method in the org.apache.eventmesh.admin.rocketmq package. ~~WIP.~~ ### Are you willing to submit PR? - [X] Yes I am willing to submit a PR!