code: def run(self):
          
          try:
              super().run()
          except Exception as e:
              print(trace_info())
          finally:
              if not self.no_ack:
                  # 如果为True，任务结束后需要确认
                  self.ch.basic_ack(delivery_tag=self.method.delivery_tag)
docs: 线程启动
          :return: