{
"reserveId": "R202503251153231",
"reason": "原因",
"merchantCategory": 2
}curl --location '创客来设置下游系统url' \
--header 'Content-Type: application/json' \
--data '{
"reserveId": "R202503251153231",
"reason": "原因",
"merchantCategory": 2
}'{
"code": "string"
}