const options = {method: 'GET', headers: {'X-API-Key': '<api-key>'}};

fetch('https://adp.laiye.com/open/agentic_engine/laiye/files/{file_id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "code": "<string>",
  "message": "<string>",
  "tips": "<string>",
  "data": {
    "id": "<string>",
    "file_name": "<string>",
    "file_size": 123,
    "content_type": "<string>",
    "download_url": "<string>",
    "status": "<string>"
  }
}