3731529648290275584，物流单号S70125492257002

3731529522011315456，物流单号S70125492257001

这里有两个订单，获取了两个不同的物流单，但是对应物流单，物流商这边看是属于同一个母单号S70125492257。请问为什么两个订单会获取的物流单会属于同一个母单？正常应该获取两个不同的物流单吧。

以下是获取S70125492257002的请求

【POST】请求url:https://api.weixin.qq.com/channels/ec/logistics/ewaybill/biz/order/create?access_token=6VYC5MJ6KnQBOaALDGRE

请求数据:{"delivery_id":"SXJD","delivery_info":null,"ec_order_list":[{"ec_order_id":3731529648290275584,"goods_list":[{"good_count":1,"good_name":"2023年数字酒庄封坛酒15L*1","out_product_id":"","out_sku_id":"","product_id":0,"sku_id":0,"sn_info":null}]}],"ewaybill_acct_id":"6636051370","ewaybill_order_id":"4206553940921974792","ext_info":null,"order_vas_list":[],"receiver":{"address":"~****~/oaid/~1~~","city":"佛山市","county":"顺德区","mobile":"~133****6333~/oaid/~1~~","name":"~黄*~/oaid/~1~~","province":"广东省","street":""},"remark":"","return_address":null,"sender":{"address":"杨绍路2579号，会稽山绍兴酒股份有限公司","city":"绍兴市","county":"柯桥区","mobile":"057584889132","name":"电商业务部","province":"浙江省","street":"湖塘街道"},"shop_id":"5009834945261","site_code":"S575BKH"}

{"errcode":0,"errmsg":"ok","ewaybill_order_id":"4206553940921974792","waybill_id":"S70125492257002","delivery_error_msg":"success","waybill_id_list":[],"order_risk_info":[],"changed_info":[],"create_time":1760321754}