diff --git a/wchat/common/Help.php b/wchat/common/Help.php
index fa6e9df..bb1a840 100644
--- a/wchat/common/Help.php
+++ b/wchat/common/Help.php
@@ -15,6 +15,10 @@ class Help extends Miniprogarampage
 	{
 		$xml = "<xml>";
 		foreach ($data as $key => $val) {
+			if (is_array($val)) {
+				$xml .= static::xmlChild($val);
+				continue;
+			}
 			if (is_numeric($val)) {
 				$xml .= "<" . $key . ">" . $val . "</" . $key . ">";
 			} else {
@@ -26,6 +30,29 @@ class Help extends Miniprogarampage
 	}
 
 
+	/**
+	 * @param array $array
+	 * @return string
+	 */
+	private static function xmlChild(array $array)
+	{
+		$string = '';
+		foreach ($array as $key => $value) {
+			if (is_array($value)) {
+				$string .= static::xmlChild($value);
+				continue;
+			}
+
+			if (is_numeric($value)) {
+				$string .= "<" . $key . ">" . $value . "</" . $key . ">";
+			} else {
+				$string .= "<" . $key . "><![CDATA[" . $value . "]]></" . $key . ">";
+			}
+		}
+		return $string;
+	}
+
+
 	/**
 	 * @param $xml
 	 * @return mixed
diff --git a/wchat/officialaccount/Material.php b/wchat/officialaccount/Material.php
new file mode 100644
index 0000000..61bd3cf
--- /dev/null
+++ b/wchat/officialaccount/Material.php
@@ -0,0 +1,250 @@
+<?php
+
+
+namespace wchat\officialaccount;
+
+
+use Exception;
+
+/**
+ * Class Material
+ * @package wchat\officialaccount
+ */
+class Material extends AfficialAccount
+{
+
+
+	/**
+	 * @param $filePath
+	 * @param $type
+	 * @return mixed
+	 * @throws Exception
+	 */
+	public function addMedia($filePath, $type)
+	{
+		$curlFile = new \CURLFile(realpath($filePath));
+		$data = [
+			"media"                   => $curlFile,
+			'form-data[filename]'     => $curlFile->getFilename(),
+			'form-data[content-type]' => $curlFile->getMimeType()
+		];
+		$this->request->setHost('api.weixin.qq.com');
+		$this->request->setErrorField('errcode');
+		$this->request->setErrorMsgField('errmsg');
+		$this->request->addHeader('Content-Type', 'application/json');
+		$data = $this->request->upload('/cgi-bin/media/upload?access_token=' . $this->config->getAccessToken() . '&type=' . $type, $data);
+		if (!$data->isResultsOK()) {
+			throw new Exception($data->getMessage());
+		}
+		return $data->getData();
+	}
+
+
+	/**
+	 * @param $filePath
+	 * @param $type
+	 * @return mixed
+	 * @throws Exception
+	 */
+	public function addMaterial($filePath, $type)
+	{
+		$curlFile = new \CURLFile(realpath($filePath));
+		$data = [
+			"media"                   => $curlFile,
+			'form-data[filename]'     => $curlFile->getFilename(),
+			'form-data[content-type]' => $curlFile->getMimeType()
+		];
+		$this->request->setHost('api.weixin.qq.com');
+		$this->request->setErrorField('errcode');
+		$this->request->setErrorMsgField('errmsg');
+		$this->request->addHeader('Content-Type', 'application/json');
+		$data = $this->request->upload('/cgi-bin/material/add_material?access_token=' . $this->config->getAccessToken() . '&type=' . $type, $data);
+		if (!$data->isResultsOK()) {
+			throw new Exception($data->getMessage());
+		}
+		return $data->getData();
+	}
+
+
+	/**
+	 * @param array $articles
+	 * @return mixed
+	 * @throws Exception
+	 */
+	public function addNewsMaterial(array $articles)
+	{
+		$array['articles'] = [];
+		foreach ($articles as $article) {
+			$array['articles'][] = [
+				'title'                 => $article['title'],
+				'thumb_media_id'        => $article['thumb_media_id'],
+				'author'                => $article['author'],
+				'digest'                => $article['digest'],
+				'show_cover_pic'        => $article['show_cover_pic'],
+				'content'               => $article['content'],
+				'content_source_url'    => $article['content_source_url'],
+				'need_open_comment'     => $article['need_open_comment'],
+				'only_fans_can_comment' => $article['only_fans_can_comment']
+
+			];
+		}
+		$this->request->setHost('api.weixin.qq.com');
+		$this->request->setErrorField('errcode');
+		$this->request->setErrorMsgField('errmsg');
+		$this->request->addHeader('Content-Type', 'application/json');
+		$data = $this->request->post('/cgi-bin/material/add_news?access_token=' . $this->config->getAccessToken(), $array);
+		if (!$data->isResultsOK()) {
+			throw new Exception($data->getMessage());
+		}
+		return $data->getData();
+	}
+
+
+	/**
+	 * @param $filePath
+	 * @param $type
+	 * @return mixed
+	 * @throws Exception
+	 */
+	public function addNewsMaterialImage($filePath, $type)
+	{
+		$curlFile = new \CURLFile(realpath($filePath));
+		$data = [
+			"media"                   => $curlFile,
+			'form-data[filename]'     => $curlFile->getFilename(),
+			'form-data[content-type]' => $curlFile->getMimeType()
+		];
+		$this->request->setHost('api.weixin.qq.com');
+		$this->request->setErrorField('errcode');
+		$this->request->setErrorMsgField('errmsg');
+		$this->request->addHeader('Content-Type', 'application/json');
+		$data = $this->request->upload('/cgi-bin/material/add_material?access_token=' . $this->config->getAccessToken() . '&type=' . $type, $data);
+		if (!$data->isResultsOK()) {
+			throw new Exception($data->getMessage());
+		}
+		return $data->getData();
+	}
+
+
+	/**
+	 * declare
+	 * @param $media_id
+	 * @return mixed
+	 * @throws Exception
+	 */
+	public function getMaterial(string $media_id)
+	{
+		$this->request->setHost('api.weixin.qq.com');
+		$this->request->setErrorField('errcode');
+		$this->request->setErrorMsgField('errmsg');
+		$this->request->addHeader('Content-Type', 'application/json');
+		$data = $this->request->post('/cgi-bin/material/get_material?access_token=' . $this->config->getAccessToken(), [
+			'media_id' => $media_id
+		]);
+		if (!$data->isResultsOK()) {
+			throw new Exception($data->getMessage());
+		}
+		return $data->getData();
+	}
+
+
+	/**
+	 * declare
+	 * @param $media_id
+	 * @return mixed
+	 * @throws Exception
+	 */
+	public function delMaterial(string $media_id)
+	{
+		$this->request->setHost('api.weixin.qq.com');
+		$this->request->setErrorField('errcode');
+		$this->request->setErrorMsgField('errmsg');
+		$this->request->addHeader('Content-Type', 'application/json');
+		$data = $this->request->post('/cgi-bin/material/del_material?access_token=' . $this->config->getAccessToken(), [
+			'media_id' => $media_id
+		]);
+		if (!$data->isResultsOK()) {
+			throw new Exception($data->getMessage());
+		}
+		return $data->getData();
+	}
+
+
+	/**
+	 * declare
+	 * @param string $media_id
+	 * @param int $index
+	 * @param array $articles
+	 * @return mixed
+	 * @throws Exception
+	 */
+	public function modifyNewsMaterial(string $media_id, int $index, array $articles)
+	{
+		$this->request->setHost('api.weixin.qq.com');
+		$this->request->setErrorField('errcode');
+		$this->request->setErrorMsgField('errmsg');
+		$this->request->addHeader('Content-Type', 'application/json');
+		$data = $this->request->post('/cgi-bin/material/del_material?access_token=' . $this->config->getAccessToken(), [
+			'media_id' => $media_id,
+			'index'    => $index,
+			'articles' => [
+				'title'              => $articles['title'],
+				'thumb_media_id'     => $articles['thumb_media_id'],
+				'author'             => $articles['author'],
+				'digest'             => $articles['digest'],
+				'show_cover_pic'     => $articles['show_cover_pic'],
+				'content'            => $articles['content'],
+				'content_source_url' => $articles['content_source_url']
+			]
+		]);
+		if (!$data->isResultsOK()) {
+			throw new Exception($data->getMessage());
+		}
+		return $data->getData();
+	}
+
+
+	/**
+	 * declare
+	 * @return mixed
+	 * @throws Exception
+	 */
+	public function getMaterialCount()
+	{
+		$this->request->setHost('api.weixin.qq.com');
+		$this->request->setErrorField('errcode');
+		$this->request->setErrorMsgField('errmsg');
+		$this->request->addHeader('Content-Type', 'application/json');
+		$data = $this->request->get('/cgi-bin/material/get_materialcount?access_token=' . $this->config->getAccessToken());
+		if (!$data->isResultsOK()) {
+			throw new Exception($data->getMessage());
+		}
+		return $data->getData();
+	}
+
+
+	/**
+	 * declare
+	 * @param int $offset
+	 * @param int $size
+	 * @param string $type
+	 * @return mixed
+	 * @throws Exception
+	 */
+	public function getMaterialList(int $offset, int $size, string $type)
+	{
+		$this->request->setHost('api.weixin.qq.com');
+		$this->request->setErrorField('errcode');
+		$this->request->setErrorMsgField('errmsg');
+		$this->request->addHeader('Content-Type', 'application/json');
+		$data = $this->request->post('/cgi-bin/material/batchget_material?access_token=' . $this->config->getAccessToken(), [
+			'type'   => $type,
+			'offset' => $offset,
+			'count'  => $size
+		]);
+		if (!$data->isResultsOK()) {
+			throw new Exception($data->getMessage());
+		}
+		return $data->getData();
+	}
+}