dedecms 5.7 采集目标文章的发布时间 采集后变成当前本地时间

else if($itemName == 'pubdate')            {                $pubdate = trim($ctag->GetInnerText());                if(preg_match("#[^0-9]#", $pubdate))                {                    $pubdate = $sortrank = GetMkTime($pubdate);                }              /*  else                {                    $pubdate = $sortrank = time();                }              */            }            else if($itemName == 'litpic')            {                $litpic = trim($ctag->GetInnerText());            }