新手，不知道怎么一回事，还请教各位大神！！

<?php
namespace Home\Controller;
use Think\Controller;
class UserController extends Controller {
public function index() {
$m = new Model('User');
$arr = $m -> select(0);
$this -> assign('data',$arr);
$this -> display();
}
}
?>




报错！！！！

:(
Class 'Home\Controller\Model' not found
错误位置
FILE: E:\soft\wamp\www\thinkPHP\Application\Home\Controller\UserController.class.php 　LINE: 6