- XLSX 字段固定为 A-H：order_number, client_id, goods, quantity, price, weight, volume, warehouse_id
- CSV 需要表头：order_number, client_id, goods, quantity, price, weight, volume, warehouse_id

【待启用功能】支持亚马逊、京东、淘宝、美团、自建商城订单接口，自动同步订单。