curl --location --request POST 'https://basesfpstest.sdongpo.com/openApi/purchaseOrder/returnSave' \
--form 'appid=""' \
--form 'timestamp="{{timestamp}}"' \
--form 'sign="{{sign}}"' \
--form 'pur_no=""' \
--form 'commoditys=""'{
"status": 1,
"data": {
"id": "23123",
"out_id": "12314",
"bill_id": "1341234"
},
"message": ""
}