异步Task响应Result

{
    "image_urls": [
        "http://example.com"
    ],
    "video_urls": [
        "http://example.com"
    ],
    "audio_urls": [
        "http://example.com"
    ],
    "file_urls": [
        "http://example.com"
    ],
    "text": "string",
    "progress": 0
}