<?php


    $num = (int)$route_param['aid'];
    $number = (int)$route_param['aid'];

    $sql = "SELECT aid FROM ey_seo_number WHERE number=$num and type=4 and tid=".$route_param['tid']." and topid=0 and parentid=0 and area_id=0";

?>

{eyou:sql sql='$sql' cachetime='3600' id='seo'}
    {eyou:php}
        $route_param['aid'] = $seo['aid'];
    {/eyou:php}
{/eyou:sql}