消息文档：物流快递轨迹状态变更 state字段枚举有哪些？文档写的不齐全

消息回调：youzan_logistics_DeliveryExpressTraceStatusChanged(物流快递轨迹状态变更)
地址：https://doc.youzanyun.com/detail/MSG/382
问题：文档中的state枚举含义有哪些？现在返回和文档有出入，state可能等于0 也可能等于7 但是就没有等于1揽件的状态。是不是等于0代表的就是文档中的1代表揽件发货？

{"signed_time":"","express_id":1,"kdt_id":122441537,"pack_id":"202305040934030000170823","receive_time":"2023-05-03 11:05:13","express_name":"申通快递","express_no":"773219855190696","state":0,"state_message":"收件","tid":"E20230429171231082306157"}


{"signed_time":"","express_id":3,"kdt_id":122441537,"pack_id":"202305040847410000240575","receive_time":"2023-05-03 21:25:48","express_name":"中通快递","express_no":"75579534354385","state":7,"state_message":"运输中","tid":"E20230502025043057500017"}


{"signed_time":"2023-05-04 09:14:06","express_id":3,"kdt_id":122441537,"pack_id":"202305010809280000090627","receive_time":"2023-05-01 09:42:02","express_name":"中通快递","express_no":"78681261953906","state":3,"state_message":"已签收","tid":"E20230430154302062700011"}

您好，包裹物流状态；0-收件； 1：揽件 ；2：疑难 ；3：签收； 4：退签 ；5：派送中； 7：运输中
可以通过https://doc.youzanyun.com/detail/API/0/5接口查询下物流信息

您好，由于工单长时间未收到反馈，暂时置为完结状态，如果问题未解决，可以继续追问，如果有新的问题咨询，可以重新提交工单，感谢您的理解与支持。