tensory2022 opened a new issue, #7489: URL: https://github.com/apache/rocketmq/issues/7489
### Search before creation - [X] I had searched in the [issues](https://github.com/apache/rocketmq/issues) and found no similar issues. ### Documentation Related [org/apache/rocketmq/example/simple/PullConsumer.java] https://github.com/apache/rocketmq/blob/develop/example/src/main/java/org/apache/rocketmq/example/simple/PullConsumer.java  consumer.updateConsumeOffset() uses the function of updateOffset() in OffsetStore interface here: [org/apache/rocketmq/client/consumer/store/OffsetStore.java](https://github.com/apache/rocketmq/blob/develop/client/src/main/java/org/apache/rocketmq/client/consumer/store/OffsetStore.java)  In example, the comments show "//update offset to broker" and the interface class code shows "Update the offset,store it in memory". Or one of the two comments might be wrong. Please correct me if I misunderstood them. ### Are you willing to submit PR? - [X] Yes I am willing to submit a PR! -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@rocketmq.apache.org.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org