find('group',array( 'groupid'=>$groupid, )); if($strGroup['userid']!=$groupuserid){ echo 1;exit; } $new['group']->delete('group_user',array( 'userid'=>$userid, 'groupid'=>$groupid, )); $new['group']->update('group',array( 'groupid'=>$groupid, ),array( 'count_user'=>$strGroup['count_user']-1, )); echo 2;exit;