获取刷新配额

{
    "code": 0,
    "data": {
        "clean_dir_quota": 0,
        "clean_dir_used": 0,
        "clean_url_quota": 0,
        "clean_url_used": 0,
        "prefetch_url_quota": 0,
        "prefetch_url_used": 0
    },
    "message": "string"
}