dedecms会员系统提示请不要发布重复文档解决方法

{ 
    $row = $dsql->GetOne("Select * From `mydiy_archives` where title like '$title' "); 
    if(is_array($row)) 
    { 
        ShowMsg("对不起，请不要发布重复文档！","-1","0",5000); 
        exit(); 
    } 
} 

$row = $dsql->GetOne("Select * From `mydiy_archives` where title like '$title' and mid = '".$cfg_ml->M_ID."'");