查询：任务结果

{
    "id": "817971131377016832",
    "state": "success",
    "err_code": "",
    "creations": [
        {
            "id": "817971246397415422",
            "url": "https://prod-ss-vidu.s3.cn-northwest-1.amazonaws.com.cn/infer/tasks/25/0508/07/817971131377016832/creation-01/video.mp4?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIARRHG6JR7EMNHVUWT%2F20250508%2Fcn-northwest-1%2Fs3%2Faws4_request&X-Amz-Date=20250508T075750Z&X-Amz-Expires=86400&X-Amz-SignedHeaders=host&response-cache-control=max-age%3D86400&response-content-disposition=attachment%3Bfilename%3Dvidu-general-8-2025-05-08T07%253A57%253A37Z.mp4&x-id=GetObject&X-Amz-Signature=d14531e0ccb9d08a013314c2c9115f877975b1dfcba54ecab99d78bdd2415",
            "cover_url": "https://prod-ss-vidu.s3.cn-northwest-1.amazonaws.com.cn/infer/tasks/25/0508/07/817971131377016832/creation-01/cover.jpeg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIARRHG6JR7EMNHVUWT%2F20250508%2Fcn-northwest-1%2Fs3%2Faws4_request&X-Amz-Date=20250508T075750Z&X-Amz-Expires=3600&X-Amz-SignedHeaders=host&response-cache-control=max-age%3D86600&x-id=GetObject&X-Amz-Signature=b39ec6537175b4860d753a2b3e7a628bc1fde11657b2ceb281badbb3d6afe557",
            "watermarked_url": ""
        }
    ]
}