您可以将存储空间配置成静态网站托管模式。配置生效后，访问网站相当于访问存储空间，并且能够自动跳转至指定的索引页面和错误页面。

更多关于静态网站托管的介绍，请参见开发指南中的配置静态网站托管。

using Aliyun.OSS;
using Aliyun.OSS.Common;
var endpoint = "<yourEndpoint>";
var accessKeyId = "<yourAccessKeyId>";
var accessKeySecret = "<yourAccessKeySecret>";
var bucketName = "<yourBucketName>";
// 创建OSSClient实例。
var client = new OssClient(endpoint, accessKeyId, accessKeySecret);
try
{
    // 设置静态网站托管。
    var request = new SetBucketWebsiteRequest(bucketName, "index.html", "error.html");
    client.SetBucketWebsite(request);
    Console.WriteLine("Set bucket:{0} Wetbsite succeeded ", bucketName);
}
catch (OssException ex)
{
    Console.WriteLine("Failed with error info: {0}; Error info: {1}. \nRequestID:{2}\tHostID:{3}",
        ex.ErrorCode, ex.Message, ex.RequestId, ex.HostId);
}
catch (Exception ex)
{
    Console.WriteLine("Failed with error info: {0}", ex.Message);
}

using Aliyun.OSS;
using Aliyun.OSS.Common;
var endpoint = "<yourEndpoint>";
var accessKeyId = "<yourAccessKeyId>";
var accessKeySecret = "<yourAccessKeySecret>";
var bucketName = "<yourBucketName>";
// 创建OSSClient实例。
var client = new OssClient(endpoint, accessKeyId, accessKeySecret);
try
{
    // 查看静态网站托管配置。
    var result = client.GetBucketWebsite(bucketName);
    Console.WriteLine("Get bucket:{0} Wetbsite succeeded, index doc:{1}, error doc:{2}",
                      bucketName, result.IndexDocument, result.ErrorDocument);
}
catch (OssException ex)
{
    Console.WriteLine("Failed with error info: {0}; Error info: {1}. \nRequestID:{2}\tHostID:{3}",
        ex.ErrorCode, ex.Message, ex.RequestId, ex.HostId);
}
catch (Exception ex)
{
    Console.WriteLine("Failed with error info: {0}", ex.Message);
}

using Aliyun.OSS;
using Aliyun.OSS.Common;
var endpoint = "<yourEndpoint>";
var accessKeyId = "<yourAccessKeyId>";
var accessKeySecret = "<yourAccessKeySecret>";
var bucketName = "<yourBucketName>";
// 创建OSSClient实例。
var client = new OssClient(endpoint, accessKeyId, accessKeySecret);
try
{
    // 删除静态网站托管配置。
    client.DeleteBucketWebsite(bucketName);
    Console.WriteLine("Delete bucket:{0} Wetbsite succeeded ", bucketName);
}
catch (OssException ex)
{
    Console.WriteLine("Failed with error info: {0}; Error info: {1}. \nRequestID:{2}\tHostID:{3}", 
        ex.ErrorCode, ex.Message, ex.RequestId, ex.HostId);
}
catch (Exception ex)
{
    Console.WriteLine("Failed with error info: {0}", ex.Message);
}