进群消息： ~~~ { "robotid": "2", "wxid": "wxid_e1he8mq44oxu22", "data": { "type": 1, "list": "[{\"nickname\":\"淘宝内部券\",\"username\":\"wxid_gwlwtgh6f7a722\"}]", "chatroomname": "9706946057@chatroom" }, "msgtype": 6 } ~~~ 退群 ~~~ { "robotid": "2", "wxid": "wxid_e1he8mq44oxu22", "data": { "type": -1, "list": "[{\"conRemark\":\"\",\"nickname\":\"黄凡\",\"username\":\"a408509169\"}]", "chatroomname": "9706946057@chatroom" }, "msgtype": 6 } ~~~ 退群消息多个conRemark，就是群内备注