包裹追踪系统，客户、发货方和快递公司进行包裹追踪查询，追踪查询的内容包括包裹状态（未发货，发货中，已到货，异常），起始地点，目的地，发货方，经手人（货运公司，航班），收货方，发货时间，运货时间，到货时间-Parcel tracking system, the customer, shipper and courier companies Tracking queries to track the contents of the query, including the status of the package (not delivery, delivery, have been delivered, an exception), the starting location, destination, shipper , through whom (freight company, flight), consignee, delivery time, delivery time, arrival time