Space Lifecycle can exist two universal Prefix

 aws s3api --endpoint-url=https://ams3.digitaloceanspaces.com \
    put-bucket-lifecycle \
    --bucket live \
    --lifecycle-configuration \
    file://2.json

2.json

{
  "Rules": [
    {
      "ID": "Remove uncompleted uploads",
      "Status": "Enabled",
      "Prefix": "",
      "AbortIncompleteMultipartUpload": {
        "DaysAfterInitiation": 1
      }
    },
    {
      "Expiration": {
        "Days": 10
      },
      "ID": "Remove old files",
      "Prefix": "",
      "Status": "Enabled"
    }
  ]
}

An error occurred (InvalidRequest) when calling the PutBucketLifecycle operation: Unknown Prefix can be modified to work differently

How do I operate?