diff --git a/wchat/wx/Message.php b/wchat/wx/Message.php
index 832e164..e74fa34 100644
--- a/wchat/wx/Message.php
+++ b/wchat/wx/Message.php
@@ -32,55 +32,51 @@ class Message extends SmallProgram
 
     /**
      * @param string $content
-     * @return Result
-     * @throws \Exception
+     * @return Message
      */
     public function sendTextNews(string $content)
     {
         $this->msgData['msgtype'] = 'text';
         $this->msgData['text'] = ['content' => $content];
 
-        return $this->sendKefuMsg();
+        return $this;
     }
 
     /**
-     * @param $media_id
-     * @return Result
-     * @throws \Exception
+     * @param string $media_id
+     * @return Message
      */
     public function sendImageNews(string $media_id)
     {
         $this->msgData['msgtype'] = 'image';
         $this->msgData['image'] = ['media_id' => $media_id];
 
-        return $this->sendKefuMsg();
+        return $this;
     }
 
 
     /**
-     * @param $media_id
-     * @return Result
-     * @throws \Exception
+     * @param string $media_id
+     * @return Message
      */
     public function sendVoiceNews(string $media_id)
     {
         $this->msgData['msgtype'] = 'voice';
         $this->msgData['voice'] = ['media_id' => $media_id];
 
-        return $this->sendKefuMsg();
+        return $this;
     }
 
     /**
-     * @param $media_id
-     * @return Result
-     * @throws \Exception
+     * @param string $media_id
+     * @return Message
      */
     public function sendMpNewsNews(string $media_id)
     {
         $this->msgData['msgtype'] = 'mpnews';
         $this->msgData['mpnews'] = ['media_id' => $media_id];
 
-        return $this->sendKefuMsg();
+        return $this;
     }
 
 
@@ -89,8 +85,7 @@ class Message extends SmallProgram
      * @param string $description
      * @param string $url
      * @param string $picurl
-     * @return Result
-     * @throws \Exception
+     * @return Message
      */
     public function sendNewsNews(string $title, string $description, string $url, string $picurl)
     {
@@ -101,21 +96,20 @@ class Message extends SmallProgram
             'url' => $url,
             'picurl' => $picurl
         ]]];
-        return $this->sendKefuMsg();
+        return $this;
     }
 
 
     /**
      * @param string $title
-     * @return Result
-     * @throws \Exception
+     * @return Message
      */
     public function sendCardNews(string $title)
     {
         $this->msgData['msgtype'] = 'wxcard';
         $this->msgData['wxcard'] = ['card_id' => $title];
 
-        return $this->sendKefuMsg();
+        return $this;
     }
 
 
@@ -124,8 +118,7 @@ class Message extends SmallProgram
      * @param string $thumb_media_id
      * @param string $title
      * @param string $description
-     * @return Result
-     * @throws \Exception
+     * @return Message
      */
     public function sendVideoNews(string $media_id, string $thumb_media_id, string $title, string $description)
     {
@@ -136,7 +129,7 @@ class Message extends SmallProgram
             'title' => $title,
             'description' => $description
         ]];
-        return $this->sendKefuMsg();
+        return $this;
     }
 
 
@@ -146,8 +139,7 @@ class Message extends SmallProgram
      * @param string $thumb_media_id
      * @param string $title
      * @param string $description
-     * @return Result
-     * @throws \Exception
+     * @return Message
      */
     public function sendMusicNews(string $musicurl, string $hqmusicurl, string $thumb_media_id, string $title, string $description)
     {
@@ -159,7 +151,7 @@ class Message extends SmallProgram
             'hqmusicurl' => $hqmusicurl,
             'thumb_media_id' => $thumb_media_id
         ];
-        return $this->sendKefuMsg();
+        return $this;
     }
 
 
@@ -167,7 +159,7 @@ class Message extends SmallProgram
      * @param string $head_content
      * @param string $tail_content
      * @param array $menus
-     * @return Result
+     * @return Message
      * @throws \Exception
      */
     public function sendMenuNews(string $head_content, string $tail_content, array $menus = [])
@@ -183,7 +175,7 @@ class Message extends SmallProgram
         foreach ($menus as $key => $val) {
             $this->addNewsMenu($val['id'], $val['name']);
         }
-        return $this->sendKefuMsg();
+        return $this;
     }
 
     private int $index = 0;
@@ -203,12 +195,11 @@ class Message extends SmallProgram
     }
 
     /**
-     * @param $title
-     * @param $appid
-     * @param $pagepath
-     * @param $thumb_media_id
-     * @return Result
-     * @throws \Exception
+     * @param string $title
+     * @param string $appid
+     * @param string $pagepath
+     * @param string $thumb_media_id
+     * @return Message
      */
     public function sendMiniprogrampageNews(string $title, string $appid, string $pagepath, string $thumb_media_id)
     {
@@ -219,7 +210,7 @@ class Message extends SmallProgram
             'pagepath' => $pagepath,
             'thumb_media_id' => $thumb_media_id,
         ];
-        return $this->sendKefuMsg();
+        return $this;
     }
 
     /**
@@ -268,28 +259,10 @@ class Message extends SmallProgram
         return $data->getData();
     }
 
+
     /**
-     * @param $mime
-     * @throws \Exception
+     * @return array
      */
-    private function checkExtinfo($mime)
-    {
-        switch (strtolower($mime)) {
-            case 'image/bmp':
-            case 'image/png':
-            case 'image/jpeg':
-            case 'image/jpg':
-            case 'image/gif':
-            case 'mp3/wma/wav/amr':
-            case 'mp4';
-            case 'jpg';
-                break;
-            default:
-                throw new \Exception('不支持的文件格式');
-        }
-    }
-
-
     public function getContents()
     {
         return $this->msgData;
@@ -297,7 +270,6 @@ class Message extends SmallProgram
 
 
     /**
-     * @param $data
      * @return Result
      * @throws \Exception
      */