curl --location --request POST 'https://api.gugudata.com/imagerecognition/markdown2pdf' \
--data-urlencode 'appkey=请前往 https://www.gugudata.com 购买' \
--data-urlencode 'content=# quick testing
## H2
### H3'{
"Data": "string",
"DataStatus": {
"StatusCode": 0,
"StatusDescription": "string",
"ResponseDateTime": "string",
"DataTotalCount": 0
}
}