diff --git a/Wechat/Custom.php b/Wechat/Custom.php
index dfbf77e..c47c330 100644
--- a/Wechat/Custom.php
+++ b/Wechat/Custom.php
@@ -184,7 +184,7 @@ class Custom extends Wechat
      */
     public function massGet($msg_id)
     {
-        $url = "https://api.weixin.qq.com/cgi-bin/message/mass/preview?access_token=ACCESS_TOKEN";
+        $url = "https://api.weixin.qq.com/cgi-bin/message/mass/get?access_token=ACCESS_TOKEN";
         $this->registerApi($url, __FUNCTION__, func_get_args());
         return $this->httpPostForJson($url, ['msg_id' => $msg_id]);
     }
diff --git a/Wechat/Qrcode.php b/Wechat/Qrcode.php
index 625acf1..33b65a3 100644
--- a/Wechat/Qrcode.php
+++ b/Wechat/Qrcode.php
@@ -34,7 +34,7 @@ class Qrcode extends Wechat
      */
     public function create($scene, $expire_seconds = 0)
     {
-        if (is_numeric($scene)) {
+        if (is_integer($scene)) {
             $data = ['action_name' => 'QR_LIMIT_SCENE', 'action_info' => ['scene' => ['scene_id' => $scene]]];
         } else {
             $data = ['action_name' => 'QR_LIMIT_STR_SCENE', 'action_info' => ['scene' => ['scene_str' => $scene]]];
diff --git a/Wechat/User.php b/Wechat/User.php
index 05d2d75..b55c384 100644
--- a/Wechat/User.php
+++ b/Wechat/User.php
@@ -42,11 +42,12 @@ class User extends Wechat
     /**
      * 获取用户基本信息（包括UnionID机制）
      * @param string $openid
+     * @param string $lang
      * @return array
      * @throws Exceptions\InvalidResponseException
      * @throws Exceptions\LocalCacheException
      */
-    public function getUserInfo($openid)
+    public function getUserInfo($openid, $lang = 'zh_CN')
     {
         $url = "https://api.weixin.qq.com/cgi-bin/user/info?access_token=ACCESS_TOKEN&openid={$openid}&lang=zh_CN";
         $this->registerApi($url, __FUNCTION__, func_get_args());