为什么会报错啊。百思不得其解。。。救命啊~~ 救命啊~~

Question

unit Unit1;interfaceuses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, IdBaseComponent, IdComponent, IdTCPConnection,
  IdTCPClient, IdHTTP;type
  TForm1 = class(TForm)
    Button1: TButton;
    IdHTTP1: TIdHTTP;
    Memo1: TMemo;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;var
  Form1: TForm1;implementation{$R *.dfm}procedure TForm1.Button1Click(Sender: TObject);
begin
  memo1.text:=idhttp1.Get('http://www.baidu.com');
end;end.

Answer 1

  try
     IdHTTP1.Request.UserAgent := 'Test';
     memo1.text:=  idhttp1.Get('http://www.baidu.com/');
  except
  end;