add cc to china bankslip updated notification email

app/Notifications/UploadPo.php

@@ -41,6 +41,7 @@ class UploadPo extends Notification
         $message->line('您好, 订单号 : '.$this->booking->id.' 的人民币汇款已成功。 请在这个网址 http://exchange.cief-malaysia.com/ 登录您的账号，并点击以下按钮，上载PO到系统. 谢谢.')
             ->line('The payment to your supplier for the order no: '.$this->booking->id.' has been successful, please login to your account at http://exchange.cief-malaysia.com/ and then click on the button below to upload your order\'s po');
         $message->action('Upload PO', 'https://exchange.cief-malaysia.com/booking/'.$this->booking->id.'/upload-po');
+        $message->cc(['uldvstar@gmail.com','pm@cief-malaysia.com', 'harry@cief-malaysia.com']);
         return $message;
     }
 }