优化DedeCMS搜索结果不匹配问题

foreach($typeArr as $id=>$typename){    $keywordn = str_replace($typename, ' ', $keyword);    if($keyword != $keywordn)    { 

foreach($typeArr as $id=>$typename){    //$keywordn = str_replace($typename, ' ', $keyword);    $keywordn = $keyword;    if($keyword != $keywordn)    {