通过curl组件远程上传附件，代码报错找不到临时文件

if ($waitSave) {			$files = array();			foreach ($waitSave as $r)			$files[] = $r['url'];			// 将文件移动到正式目录下...			$rs = Attachment::connect(Yii::app()->params['key'], Yii::app()->params['secret'])->move($files); //$files 参数是一个图片绝对临时路径 的数组

	static public function move($files = '') {		if (!$files && !self::$files)			return ;		if (self::$files)			$files = self::$files;		$filesData['files'] = serialize($files);		$post = self::getPostData($filesData);		$rs = self::$curlInstance->send_post_data(			self::ATTACHMENT_URL . self::API_FILENAME . 'move',			$post		);				return self::resultToObject($rs);	}

    function send_post_data($url, $postdata, $ip=null, $timeout=10) {        curl_setopt($this->ch, CURLOPT_URL, $url);        curl_setopt($this->ch, CURLOPT_RETURNTRANSFER, true);        if ($ip) {            if ($this->debug) {                echo "Binding to ip $ip\n";            }            curl_setopt($this->ch, CURLOPT_INTERFACE, $ip);        }        curl_setopt($this->ch, CURLOPT_TIMEOUT, $timeout);        curl_setopt($this->ch, CURLOPT_POST, true);        $post_array = array();        if (is_array($postdata)) {            foreach ($postdata as $key => $value) {                $post_array[] = urlencode($key) . "=" . urlencode($value);            }            $post_string = implode("&", $post_array);            if ($this->debug) {                echo "Url: $url\nPost String: $post_string\n";            }        } else {            $post_string = $postdata;        }        curl_setopt($this->ch, CURLOPT_POSTFIELDS, $post_string);        $result = curl_exec($this->ch);        if (curl_errno($this->ch)) {            if ($this->debug) {                echo "Error Occured in Curl\n";                echo "Error number: " . curl_errno($this->ch) . "\n";                echo "Error message: " . curl_error($this->ch) . "\n";            }            return false;        } else {            return $result;        }    }

	elseif ($action == 'move') {   // 请求移动文件		$files = (isset($_POST['files'])) ? unserialize(str_stripslashes($_POST['files'])) : '';		if (is_array($files)) {			foreach ($files as $k => $v)				$files[$k] = str_ireplace(AM_URL, '', $v);		}		else {			$files = str_ireplace(AM_URL, '', $files);		}		$rs = $s->move($files, BASE_UPLOAD_DIR . date('Ym/d') . '/'); 

	static public function move($file, $newfile) {		return File::move($file, $newfile);	}

	static public function move($file = '', $filePath = '') {		if (!$file or !$filePath)			throw new ParametersException('未获取到请求移动的文件或者文件目标位置');		// 判断路径是否"/"结尾		$filePath = self::path($filePath);		// 判断文件是否存在		if (is_array($file)) {			foreach ($file as $f) {				if (!file_exists($f))					throw new FileNotFoundException('源文件数组中包含不存在的文件');			}			// 构造目标位置的绝对路径			foreach ($file as $key => $f) {				$fileBaseName = basename($f);				$newfiles[$key] = $filePath . $fileBaseName;			}		}