1.查看C:Users用户AppDataLocalTemp下最新日志文件，如果提示下面这样的报错
VisualStudio Bootstrapper:2022/2/28 13:41:18: WebClient error 'ConnectFailure' - proxy setting 'DirectAccess' - 'https://aka.ms/vs/17/release/installer'.
VisualStudio Bootstrapper:2022/2/28 13:41:18: WebClient failed in 'https://aka.ms/vs/17/release/installer' with '无法连接到远程服务器' - 'https://aka.ms/vs/17/release/installer'.
VisualStudio Bootstrapper:2022/2/28 13:41:18: WebClient failed attempting to access https://aka.ms/vs/17/release/installer via 127.0.0.1
VisualStudio Bootstrapper:2022/2/28 13:41:18: Download failed using WebClient engine. System.Net.WebException: 无法连接到远程服务器 ---> System.Net.Sockets.SocketException: 由于目标计算机积极拒绝，无法连接。 127.0.0.1:443
在 System.Net.Sockets.Socket.DoConnect(EndPoint endPointSnapshot, SocketAddress socketAddress)
在 System.Net.ServicePoint.ConnectSocketInternal(Boolean connectFailure, Socket s4, Socket s6, Socket& socket, IPAddress& address, ConnectSocketState state, IAsyncResult asyncResult, Exception& exception)
--- 内部异常堆栈跟踪的结尾 ---
在 System.Net.HttpWebRequest.GetResponse()
2.右键网络，打开“网络和internet设置”，选择高级网络设置下的更该适配器选项，右键此时连接网络点属性，双击internet协议版本4，在首选DNS服务器下输入4221，备选DNs服务器下输入4222，最后点击确认。
3.如果报错一样那么，此时应该可以立即开始下载
