网页没跳转

zhang_jianzhi

news_latest_row_single.php

<?=anchor("main/newscontent/".$news_id,$title)?>

main.php

function newscontent()
{
    $data['title']="News Listings";
    $this->load->view('news_content_single',$data);
}

按照我写的网页应该跳转到news_content_single.php，但是实际跳到了首页，这是怎么回事啊？