message: Change the name of the 'Key' key to (all lowercase) 'key'
diff: @@ -44,7 +44,7 @@ export const listFile = async (
  return res.status(200).send(
  headObjectsList.map((entry) => {
  return {
  - Key: entry.key,
  + key: entry.key,
  ...entry.head
  }
  })
  