{
"orderNo": "string",
"remark": "string"
}curl --location 'http://dev-cn.your-api-server.com/api/order/refund?appId=undefined&nonce=undefined&sign=undefined×tamp=undefined' \
--header 'Content-Type: application/json' \
--data '{
"orderNo": "string",
"remark": "string"
}'{}