Update message_queue_backend: log message group

pqai_agent/message_queue_backend.py

@@ -86,7 +86,7 @@ class AliyunRocketMQQueueBackend(MessageQueueBackend):
             return None
         rmq_message = messages[0]
         body = rmq_message.body.decode('utf-8')
-        logger.debug("[{}]recv message body: {}".format(self.topic, body))
+        logger.debug(f"[{self.topic}]recv message, group[{rmq_message.message_group}], body: {body}")
         try:
             message = MqMessage.from_json(body)
             message._rmq_message = rmq_message