curl --location 'https://developer.salesmartly.com/api/v2/update-custom-field-sort' \
--header 'external-sign;' \
--form 'project_id=""' \
--form 'id=""' \
--form 'sort_num=""'{
"code": 0,
"msg": "success",
"data": {},
"request_id": "string"
}