问JavaScript cos sdk 疑问，急！急！急！？

<input id="file-selector" type="file">
<script src="dist/cos-js-sdk-v5.min.js"></script>
<script>
var Bucket = 'test-1250000000';
var Region = 'ap-guangzhou';

// 初始化实例
var cos = new COS({
    getAuthorization: function (options, callback) {
        // 异步获取签名
        $.get('../server/auth.php', {
            method: (options.Method || 'get').toLowerCase(),
            pathname: '/' + (options.Key || '')
        }, function (authorization) {
            callback(authorization);
        }, 'text');
    }
});

// 监听选文件
document.getElementById('file-selector').onchange = function () {

    var file = this.files[0];
    if (!file) return;

    // 分片上传文件
    cos.sliceUploadFile({
        Bucket: Bucket,
        Region: Region,
        Key: file.name,
        Body: file,
    }, function (err, data) {
        console.log(err, data);
    });

};
</script>

{
            method: (options.Method || 'get').toLowerCase(),
            pathname: '/' + (options.Key || '')
        }

config = CosConfig(Secret_id=secret_id, Secret_key=secret_key, Region=region, Token=token)
client = CosS3Client(config）
authorization = client.get_auth(Method='GET', Bucket=bucket1-1255389510
, Key=test.png)