$topicid = aac('topic')->create ('topic', array (
'groupid' => $groupid,
'typeid' => $typeid,
'userid' => $userid,
'title' => $title,
'content' => $content,
'gaiyao'=>$gaiyao,
'score'=>$score,
'iscomment' => $iscomment,
'iscommentshow' => $iscommentshow,
'isaudit' => $isaudit,
'addtime' => time (),
'uptime' => time ()
) );