// 检测新增的 site_create
    if( $options['site_create']=='0' ){
        $DBM = new DB_MySQL;
        $DBM->connect($servername_m, $dbport, $dbusername, $dbpassword, $dbname);
        $query = "SELECT regtime FROM yunbbs_users WHERE id='1'";
        $m_obj = $DBS->fetch_one_array($query);
        if($m_obj){
            $site_create = $m_obj['regtime'];
            //$DBM->query("INSERT INTO yunbbs_settings VALUES('site_create', '$site_create')");
            $DBM->query("UPDATE `yunbbs_settings` SET `value` = '$site_create' WHERE `title` = 'site_create' LIMIT 1");
            $options['site_create'] = $site_create;
        }
    }