protected function _setTitle()
    {
        if (empty($this->viewVars['title_for_layout'])) {
            $title = option('site_title');
            $this->assign('title', $title);
            $this->set('title_for_layout', $title);
        } else {
            $this->assign('title', $this->viewVars['title_for_layout']);
        }
    }