{
    "book_id": "A1b2C3d4",
    "complete_status": 2,
    "need_volume": true,
    "volume_list": [
        {
            "volume_title": "第一卷",
            "start_index": 0,
            "end_index": 2
        },
        {
            "volume_title": "第二卷",
            "start_index": 2,
            "end_index": 5
        }
    ]
}