{
  "elapsed_seconds": 340,
  "total": 2,
  "done": 2,
  "failed": 0,
  "in_progress": 0,
  "songs": {
    "01_慢慢，张学友_20260412": {
      "step": "done",
      "status": "success",
      "time": "17:41:17"
    },
    "02_广东姑娘，五条人_20260412": {
      "step": "done",
      "status": "success",
      "time": "17:38:05"
    }
  }
}