protected function statusNotify()
    {
        $url = sprintf($this->vbot->config['server.uri.base'].'/webwxstatusnotify?lang=zh_CN&pass_ticket=%s', $this->vbot->config['server.passTicket']);

        $this->vbot->http->json($url, [
            'BaseRequest'  => $this->vbot->config['server.baseRequest'],
            'Code'         => 3,
            'FromUserName' => $this->vbot->myself->username,
            'ToUserName'   => $this->vbot->myself->username,
            'ClientMsgId'  => time(),
        ]);
    }