获取任务（视频）

{
    "code": 200,
    "message": "成功",
    "request_id": "",
    "data": {
        "task_id": "55783518",
        "task_status": "submitted",
        "task_status_msg": "",
        "created_at": 1727258198,
        "updated_at": 1727258198,
        "task_result": {
            "images": [
                {
                    "id": 98767470,
                    "url": null,
                    "duration": 0
                }
            ]
        }
    },
    "system_fingerprint": null
}