// SEO 相关

$this->_cfg['titles'] = $_show['title'].(empty($_show['seo_title']) ? '' : '/'.$_show['seo_title']);

$this->_cfg['seo_keywords'] = empty($_show['seo_keywords']) ? $_show['title'] : $_show['seo_keywords'];

$this->_cfg['seo_description'] = empty($_show['seo_description']) ? $_show['intro']: $_show['seo_description'];