diff --git a/Index.php b/Index.php
new file mode 100644
index 0000000..e27ccad
--- /dev/null
+++ b/Index.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace app\home\controller;
+
+use top\blocks\Json;
+use top\library\Register;
+use top\extend\wechat\WeChatAPI;
+
+class Index extends Common
+{
+    use Json;
+
+    public function index()
+    {
+        $config = Register::get('Config')->get('wechat');
+        $wechat = new WeChatAPI($config);
+        $info = $wechat->getUserInfo();
+        return [
+            'userinfo' => $info
+        ];
+    }
+}
diff --git a/wechat/WeChatAPI.php b/wechat/WeChatAPI.php
new file mode 100644
index 0000000..98814d5
--- /dev/null
+++ b/wechat/WeChatAPI.php
@@ -0,0 +1,218 @@
+<?php
+
+namespace top\extend\wechat;
+
+/**
+ * 微信API
+ * Class WeChatAPI
+ * @package top\extend\wechat
+ */
+class WeChatAPI
+{
+
+    /**
+     * @var null|string 当前页面的URL
+     */
+    private $url = null;
+
+    /**
+     * @var null 错误信息
+     */
+    private $error = null;
+
+    /**
+     * @var string 获取ACCESS_TOKEN的接口
+     */
+    private $accessTokenAPI = 'https://api.weixin.qq.com/cgi-bin/token?';
+
+    /**
+     * @var string 获取OAuth ACCESS_TOKEN的接口
+     */
+    private $oauthAccessTokenAPI = 'https://api.weixin.qq.com/sns/oauth2/access_token?';
+
+    /**
+     * @var string 获取CODE的接口
+     */
+    private $codeAPI = 'https://open.weixin.qq.com/connect/oauth2/authorize?';
+
+    /**
+     * @var string 拉取用户信息接口
+     */
+    private $userinfoAPI = 'https://api.weixin.qq.com/sns/userinfo?';
+
+    /**
+     * @var string 拉取用户信息接口（UnionID机制）
+     */
+    private $userinfoUnionIdAPI = 'https://api.weixin.qq.com/cgi-bin/user/info?';
+
+    /**
+     * @var string 自定义菜单创建接口
+     */
+    private $menuAPI = 'https://api.weixin.qq.com/cgi-bin/menu/create';
+
+    /**
+     * @var array 微信配置
+     */
+    private $config = [];
+
+    public function __construct($config = [])
+    {
+        $this->url = $_SERVER['REQUEST_SCHEME'] . '://' . $_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI'];
+        $this->config = $config;
+    }
+
+    /**
+     * 获取ACCESS_TOKEN
+     * @return bool|mixed
+     */
+    private function getAccessToken()
+    {
+        $file = './access_token.json';
+        if (file_exists($file)) {
+            $content = file_get_contents($file);
+            $result = json_decode($content, true);
+            $expires = $result['expires_in'] - (time() - filemtime($file));
+            if ($expires <= 5) {
+                @unlink($file);
+                return $this->getAccessToken();
+            }
+        } else {
+            $api = $this->accessTokenAPI . "grant_type=client_credential&appid={$this->config['appid']}&secret={$this->config['appsecret']}";
+            $json = create_http_request($api);
+            $result = json_decode($json, true);
+            if (isset($result['errcode']) && $result['errcode'] != 0) {
+                throw new WeChatAPIException('code:' . $result['errcode'] . ',' . $result['errmsg']);
+            }
+            file_put_contents($file, $json);
+        }
+        return $result;
+    }
+
+    /**
+     * 获取CODE
+     * @param $scope
+     */
+    private function getCode($scope)
+    {
+        $redirect = $this->url;
+        $api = $this->codeAPI . "appid={$this->config['appid']}&redirect_uri={$redirect}&response_type=code&scope={$scope}&state=0#wechat_redirect";
+        header('location:' . $api);
+    }
+
+    /**
+     * 获取OAuth的ACCESS_TOKEN
+     * @param string $scope
+     * @return bool|mixed|void
+     */
+    private function getOAuthAccessToken($scope = 'snsapi_base')
+    {
+        $file = './oauth_access_token.json';
+        if (file_exists($file)) {
+            $content = file_get_contents($file);
+            $result = json_decode($content, true);
+            $expires = $result['expires_in'] - (time() - filemtime($file));
+            if ($expires <= 5) {
+                @unlink($file);
+                return $this->getOAuthAccessToken();
+            }
+        } else {
+            $code = isset($_GET['code']) ? $_GET['code'] : null;
+            if (!$code) {
+                return $this->getCode($scope);
+            }
+            $api = $this->oauthAccessTokenAPI . "appid={$this->config['appid']}&secret={$this->config['appsecret']}&code={$code}&grant_type=authorization_code";
+            $json = create_http_request($api);
+            $result = json_decode($json, true);
+            if (isset($result['errcode']) && $result['errcode'] != 0) {
+                throw new WeChatAPIException('code:' . $result['errcode'] . ',' . $result['errmsg']);
+            }
+            file_put_contents($file, $json);
+        }
+        return $result;
+    }
+
+    /**
+     * 拉取用户信息
+     * @param string $openid
+     * @return bool|mixed
+     */
+    public function getUserInfo($openid = null)
+    {
+        $postData = [];
+        if ($openid) {
+            $accessToken = $this->getAccessToken();
+            if (is_array($openid)) {
+                $postData = [
+                    'user_list' => $openid
+                ];
+                $api = $this->userinfoUnionIdAPI . "access_token={$accessToken['access_token']}";
+            } else {
+                $api = $this->userinfoUnionIdAPI . "access_token={$accessToken['access_token']}&openid={$openid}&lang=zh_CN";
+            }
+        } else {
+            $accessToken = $this->getOAuthAccessToken('snsapi_userinfo');
+            $api = $this->userinfoAPI . "access_token={$accessToken['access_token']}&openid={$accessToken['openid']}&lang=zh_CN";
+        }
+        $json = create_http_request($api, json_encode($postData));
+        $result = json_decode($json, true);
+        if (isset($result['errcode']) && $result['errcode'] != 0) {
+            $this->error = 'code:' . $result['errcode'] . ',' . $result['errmsg'];
+            return false;
+        }
+        return $result;
+    }
+
+    /**
+     * 创建公众号菜单
+     * $menu数据示例
+     * [
+     *     [
+     *         'type' => 'view',
+     *         'name' => 'TOP糯米',
+     *         'url' => 'https://www.topnuomi.com/'
+     *     ],
+     *     [
+     *         'name' => '测试多级',
+     *         'sub_button' => [
+     *             [
+     *                 'type' => 'view',
+     *                 'name' => '我的主页',
+     *                 'url' => 'https://topnuomi.com/'
+     *             ],
+     *             [
+     *                 'type' => 'click',
+     *                 'name' => '点击',
+     *                 'key' => 'V1001_TODAY_MUSIC'
+     *             ]
+     *         ]
+     *     ]
+     * ]
+     * @param array $menu
+     * @return bool
+     */
+    public function createMenu($menu = [])
+    {
+        $accessToken = $this->getAccessToken();
+        $api = $this->menuAPI . "?access_token={$accessToken['access_token']}";
+        $menu = json_encode([
+            'button' => $menu
+        ], JSON_UNESCAPED_UNICODE);
+        $json = create_http_request($api, $menu);
+        $result = json_decode($json, true);
+        if (isset($result['errcode']) && $result['errcode'] != 0) {
+            $this->error = 'code:' . $result['errcode'] . ',' . $result['errmsg'];
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * 获取错误信息
+     * @return null
+     */
+    public function getError()
+    {
+        return $this->error;
+    }
+
+}
diff --git a/wechat/WeChatAPIException.php b/wechat/WeChatAPIException.php
new file mode 100644
index 0000000..6471e30
--- /dev/null
+++ b/wechat/WeChatAPIException.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace top\extend\wechat;
+
+class WeChatAPIException extends \Exception
+{
+
+}
\ No newline at end of file
diff --git a/wechat/token/WeChatCallbackAPITest.php b/wechat/token/WeChatCallbackAPITest.php
new file mode 100644
index 0000000..5da9ce4
--- /dev/null
+++ b/wechat/token/WeChatCallbackAPITest.php
@@ -0,0 +1,74 @@
+<?php
+
+namespace top\extend\wechat\token;
+
+class WeChatCallbackAPITest
+{
+    private $token = null;
+
+    public function valid()
+    {
+        $echoStr = $_GET["echostr"];
+        //valid signature , option
+        if ($this->checkSignature()) {
+            echo $echoStr;
+            exit;
+        }
+    }
+
+    public function setToken($token)
+    {
+        $this->token = $token;
+        return $this;
+    }
+
+    public function responseMsg()
+    {
+        //get post data, May be due to the different environments
+        $postStr = $GLOBALS["HTTP_RAW_POST_DATA"];
+        //extract post data
+        if (!empty($postStr)) {
+            $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
+            $fromUsername = $postObj->FromUserName;
+            $toUsername = $postObj->ToUserName;
+            $keyword = trim($postObj->Content);
+            $time = time();
+            $textTpl = "<xml>
+                            <ToUserName><![CDATA[%s]]></ToUserName>
+                            <FromUserName><![CDATA[%s]]></FromUserName>
+                            <CreateTime>%s</CreateTime>
+                            <MsgType><![CDATA[%s]]></MsgType>
+                            <Content><![CDATA[%s]]></Content>
+                            <FuncFlag>0</FuncFlag>
+                            </xml>";
+            if (!empty($keyword)) {
+                $msgType = "text";
+                $contentStr = "Welcome to wechat world!";
+                $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
+                echo $resultStr;
+            } else {
+                echo "Input something...";
+            }
+        } else {
+            echo "";
+            exit;
+        }
+    }
+
+    private function checkSignature()
+    {
+        $signature = $_GET["signature"];
+        $timestamp = $_GET["timestamp"];
+        $nonce = $_GET["nonce"];
+        $token = $this->token;
+        $tmpArr = array($token, $timestamp, $nonce);
+        sort($tmpArr);
+        $tmpStr = implode($tmpArr);
+        $tmpStr = sha1($tmpStr);
+        if ($tmpStr == $signature) {
+            return true;
+        } else {
+            return false;
+        }
+    }
+}