curl --location --request POST 'https://openapi.qiyuesuo.com/v2/contract/forceend/addattachment' \
--header 'x-qys-open-accesstoken: {{x-qys-open-accesstoken}}' \
--header 'x-qys-open-timestamp: {{x-qys-open-timestamp}}' \
--header 'x-qys-open-nonce: {{x-qys-open-nonce}}' \
--header 'x-qys-open-signature: {{x-qys-open-signature}}' \
--header 'Content-Type: multipart/form-data' \
--form 'file=@""' \
--form 'title="fujian"' \
--form 'fileSuffix="htm"'
{
"code": 0,
"message": "SUCCESS"
}