zhangjingyu 
//ruinjoy 缩略图
global $db_ifathumb,$db_athumbsize;
if($db_ifathumb){
    require_once (R_P . 'require/imgfunc.php');
    $ifthumb = $db_ifathumb;
    if ($this->forum->forumset['ifthumb'] == 0) {
        $thumbsize =$db_athumbsize;
    } elseif ($this->forum->forumset['ifthumb'] == 1) {
        $thumbsize =$pwforum->forumset['thumbsize'];
    } elseif ($this->forum->forumset['ifthumb'] == 2) {
        $thumbsize = 0;
        $ifthumb = 0;
    } else {
        $thumbsize = $db_athumbsize;
    }
    if($ifthumb){
        $getThumbInfo = array(
            array($filename, 'thumb/' . $savedir, $thumbsize),
            array($filename, 'thumb/mini/' . $savedir, "200\t150\t$db_athumbtype")
        );
        PwUpload::makeThumb($source, $getThumbInfo, $this->db_ifftp, $ifthumb);
    }
}
//ruinjoy
加这个下面
// 下载图片文件
if (!$this->downFile($value, $source, $ext)) {
    // Showmsg('获取远程图片失败，图片可能不存在，或做了防盗链如果不是上述情况，请检查您的环境配置是否正确！');
} else {
    $ifDone = TRUE;
}

if($ifDone) {