diff --git a/src/Wechat/Work/Chat.php b/src/Wechat/Work/Chat.php
index 4596a51..4b98456 100644
--- a/src/Wechat/Work/Chat.php
+++ b/src/Wechat/Work/Chat.php
@@ -1,6 +1,8 @@
 <?php
 
-namespace App\Wechat\Work;
+namespace Wechat\Work;
+
+use Wechat\Work\Message\MessageInterface;
 
 class Chat extends Base
 {
@@ -13,6 +15,19 @@ class Chat extends Base
         $this->id = $id;
     }
 
+    /**
+     * @param $msg MessageInterface
+     * @return mixed
+     */
+    public function send($msg)
+    {
+        $request = $this->work->transformForJsonRequest('appchat/send',
+            array_merge($msg->toArray(), [
+                'chatid' => $this->id
+            ]));
+        return $this->work->request($request);
+    }
+
     public function create(array $users, $owner = null, $name = null)
     {
         $params = [