diff --git a/We.php b/We.php
index 2de2ebe..9ee7859 100644
--- a/We.php
+++ b/We.php
@@ -86,7 +86,7 @@ class We
      * 定义当前版本
      * @var string
      */
-    const VERSION = '1.2.24';
+    const VERSION = '1.2.25';
 
     /**
      * 静态配置
diff --git a/WeChat/Contracts/BasicWeWork.php b/WeChat/Contracts/BasicWeWork.php
new file mode 100644
index 0000000..ae9200a
--- /dev/null
+++ b/WeChat/Contracts/BasicWeWork.php
@@ -0,0 +1,41 @@
+<?php
+
+// +----------------------------------------------------------------------
+// | WeChatDeveloper
+// +----------------------------------------------------------------------
+// | 版权所有 2014~2018 广州楚才信息科技有限公司 [ http://www.cuci.cc ]
+// +----------------------------------------------------------------------
+// | 官方网站: http://think.ctolog.com
+// +----------------------------------------------------------------------
+// | 开源协议 ( https://mit-license.org )
+// +----------------------------------------------------------------------
+// | github开源项目：https://github.com/zoujingli/WeChatDeveloper
+// +----------------------------------------------------------------------
+
+namespace WeChat\Contracts;
+
+/**
+ * 企业微信基础类
+ * Class BasicWeWork
+ * @package WeChat\Contracts
+ */
+class BasicWeWork extends BasicWeChat
+{
+    /**
+     * 获取访问 AccessToken
+     * @return string
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     * @throws \WeChat\Exceptions\LocalCacheException
+     */
+    public function getAccessToken()
+    {
+        if ($this->access_token) return $this->access_token;
+        $ckey = $this->config->get('appid') . '_access_token';
+        if ($this->access_token = Tools::getCache($ckey)) return $this->access_token;
+        list($appid, $secret) = [$this->config->get('appid'), $this->config->get('appsecret')];
+        $result = Tools::json2arr(Tools::get("https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid={$appid}&corpsecret={$secret}"));
+        if (isset($result['access_token']) && $result['access_token']) Tools::setCache($ckey, $result['access_token'], 7000);
+        return $this->access_token = $result['access_token'];
+    }
+
+}
\ No newline at end of file
diff --git a/_test/work-config.php b/_test/work-config.php
new file mode 100644
index 0000000..fc62af1
--- /dev/null
+++ b/_test/work-config.php
@@ -0,0 +1,18 @@
+<?php
+
+// +----------------------------------------------------------------------
+// | WeChatDeveloper
+// +----------------------------------------------------------------------
+// | 版权所有 2014~2018 广州楚才信息科技有限公司 [ http://www.cuci.cc ]
+// +----------------------------------------------------------------------
+// | 官方网站: http://think.ctolog.com
+// +----------------------------------------------------------------------
+// | 开源协议 ( https://mit-license.org )
+// +----------------------------------------------------------------------
+// | github开源项目：https://github.com/zoujingli/WeChatDeveloper
+// +----------------------------------------------------------------------
+
+return [
+    'appid'     => '', // 企业ID
+    'appsecret' => '', // 应用的凭证密钥
+];
\ No newline at end of file
diff --git a/_test/work-department.php b/_test/work-department.php
new file mode 100644
index 0000000..dac359e
--- /dev/null
+++ b/_test/work-department.php
@@ -0,0 +1,30 @@
+<?php
+
+// +----------------------------------------------------------------------
+// | WeChatDeveloper
+// +----------------------------------------------------------------------
+// | 版权所有 2014~2018 广州楚才信息科技有限公司 [ http://www.cuci.cc ]
+// +----------------------------------------------------------------------
+// | 官方网站: http://think.ctolog.com
+// +----------------------------------------------------------------------
+// | 开源协议 ( https://mit-license.org )
+// +----------------------------------------------------------------------
+// | github开源项目：https://github.com/zoujingli/WeChatDeveloper
+// +----------------------------------------------------------------------
+
+use WeChat\Contracts\BasicWeWork;
+
+include '../include.php';
+
+$config = include 'work-config.php';
+
+try {
+    $url = 'https://qyapi.weixin.qq.com/cgi-bin/department/list?access_token=ACCESS_TOKEN';
+    $result = BasicWeWork::instance($config)->callGetApi($url);
+    echo '<pre>';
+    print_r(BasicWeWork::instance($config)->config->get());
+    print_r($result);
+    echo '</pre>';
+} catch (Exception $exception) {
+    echo $exception->getMessage() . PHP_EOL;
+}