curl --request POST \
  --url https://open.bigmodel.cn/api/llm-application/open/document/upload_document/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data' \
  --form files=@example-file

{
  "data": {
    "successInfos": [
      {
        "documentId": "<string>",
        "fileName": "<string>"
      }
    ],
    "failedInfos": [
      {
        "fileName": "<string>",
        "failReason": "<string>"
      }
    ]
  },
  "code": 123,
  "message": "<string>",
  "timestamp": 123
}