curl --location --request POST 'http://10.168.1.163:48080/open-api/v1/coupons//write-off-qrcode?merchantId&couponId=1'{
"code": 0,
"msg": "",
"data": {
"requestNo": "",
"qrToken": "",
"qrTimestamp": 0,
"qrExpireTime": "",
"resourceType": 0,
"resourceId": 0,
"resourceCardNo": ""
}
}