{"delivery_id":"SF","delivery_name":"顺丰速运","can_use_cash":1,"can_get_quota":0,"service_type":[{"service_type":0,"service_name":"标准快递"},{"service_type":1,"service_name":"顺丰即日"},{"service_type":2,"service_name":"顺丰次晨"},{"service_type":3,"service_name":"顺丰标快"},{"service_type":4,"service_name":"顺丰标快（陆运）"}],"cash_biz_id":"SF_CASH"}

这边我使用顺丰即日 返回为null 我想问是否是没有进行合作 还是说这个接口不合适用顺丰即日