client.start_forever() 运行起来几分钟之后会报网络异常：
ERROR in stream 108: error processing message: Stream connection lost: ConnectionResetError(104, 'Connection reset by peer')
ERROR in stream 108: error processing message: Channel is closed.
之后再给机器人发消息，程序就没法获取到了
client.start_forever() 运行起来几分钟之后会报网络异常：
ERROR in stream 108: error processing message: Stream connection lost: ConnectionResetError(104, 'Connection reset by peer')
ERROR in stream 108: error processing message: Channel is closed.
之后再给机器人发消息，程序就没法获取到了