zhangjidi2016

@GeorgeLyu1992 What are rocketmq-spring and rocketmq versions are you using？I tested it locally and there was no problem like yours.My environment is rocketmq:4.9.2 and rocketmq-spring:2.2.2-SNAPSHOT.

> Need to evaluate impacts on existing users. There is no effect on the previous user, just change the return code value, responseCode does not change

Please help to review this patch again. @lizhanhui

If you use the proxy cluster mode and enable authentication, each request is authenticated twice (proxy and broker)？@dingshuangxi888