[求助]对iotdb的mqtt进行连接， invalid QoS: 3

### Search before asking

- [X] I searched in the [issues](https://github.com/apache/iotdb/issues) and found nothing similar.

### Version

docker run -d -p 6667:6667 -p 31999:31999 -p 8181:8181 -p 1883:1883 --name some-iotdb apache/iotdb:latest

### Describe the bug and provide the minimal reproduce step

使用docker启动iot
docker run -d -p 6667:6667 -p 31999:31999 -p 8181:8181 -p 1883:1883 --name some-iotdb apache/iotdb:latest

开启mqtt服务

docker restart 服务

使用http://www.emqx.io/online-mqtt-client进行mqtt连接

后台日志显示invalid QoS: 3

### What did you expect to see?

建立mqtt连接成功或者mqtt的正确的连接方式

### What did you see instead?



### Anything else?

_No response_

### Are you willing to submit a PR?

- [ ] I'm willing to submit a PR!

Start by reproducing the reported Docker setup and connecting with the EMQX online MQTT client, then inspect the resulting `invalid QoS: 3` log. Confirm whether the documented MQTT connection method or the server's QoS handling is responsible and verify a successful MQTT connection as the outcome.

Written by the indexing model from the issue text.