无法使用C#SSH.NET更改目录

当我使用SSH.NET库连接到服务器时,默认文件夹是/ mif / stud3 / 2014 / rira1874.当我执行 res = ssh.CreateCommand("cd existingFolder").Execute(); Console.WriteLine(res); 它仍然保留在默认连接文件夹中.这有什么不对？ 完整代码： public void ConnectWithPassword(string username, string password, string domain, int port) { bool i = true; using (var ssh = new SshClient(CreatePasswordConnectionInfo(username, password, domain))) { try { ssh.Connect(); if (ssh.IsConnected) { while(i == true) { string res = Regex.Replace(ssh.CreateCommand("pwd").Execute(), @"\r\n?|\n", ""); Console.Write(res + ": "); res = ssh.CreateCommand(Console.ReadLine()).Execute(); Console.WriteLine(res); } } else { Console.WriteLine("Not connected"); } ssh.Disconnect(); } catch (Exception e) { Console.WriteLine("Exception caught: {0}", e); } } }