织梦dedecms评论添加字段方法，如何添加评论字段

alter table dede_feedback add column website varchar(20);

include_once(DEDEINC.'/memberlogin.class.php');

$cfg_ml = new MemberLogin(

$website = cn_substrR($website,50);

$inquery = "INSERT INTO `cn_feedback`(`aid`,`typeid`,`username`,`arctitle`,`ip`,`ischeck`,`dtime`, `mid`,`bad`,`good`,`ftype`,`face`,`msg`)

VALUES ('$aid','$typeid','$username','$arctitle','$ip','$ischeck','$dtime', '{$cfg_ml->M_ID}','0','0','$feedbacktype','$face','$msg'); ";

$inquery = "INSERT INTO `cn_feedback`(`aid`,`typeid`,`username`,`arctitle`,`ip`,`ischeck`,`dtime`, `mid`,`bad`,`good`,`ftype`,`face`,`msg`,`website`)

VALUES ('$aid','$typeid','$username','$arctitle','$ip','$ischeck','$dtime', '{$cfg_ml->M_ID}','0','0','$feedbacktype','$face','$msg','$website'); ";

<label for="url">Website</label><input id="url" name="website" value="" size="30" type="text">

myajax.AddKeyN('username', nusername);

myajax.AddKeyN('website', f.website.value);