thinkphp,该怎么处理

<br />
public function about()<br />
    {<br />
	require(CMS_PATH.'/data/config.php');<br />
	    $id = trim($_REQUEST['id']);<br />
    	$aboutclass = M('aboutclass');<br />
		$list_about=$aboutclass->where('id='.$id)->select();<br />
		$this->assign("aboutclass",$list_about);<br />
		dump($list_about);<br />
    	$this->display();<br />
    }<br />

<br />
public function about()<br />
    {<br />
    require(CMS_PATH.'/data/config.php');<br />
        $id = trim($_REQUEST['id']);<br />
        $aboutclass = M('aboutclass');<br />
        $list_about['content']=$aboutclass->where('id='.$id)->select();<br />
        $list_about['category']=$aboutclass->select();<br />
        $this->assign("aboutclass",$list_about);<br />
        dump($list_about);<br />
        $this->display();<br />
    }<br />
<br />