string(294) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%8A%BD%E6%B2%B9%E7%83%9F%E6%9C%BA%E4%BE%A7%E5%90%B8%E5%BC%8F%E5%92%8C%E9%A1%B6%E5%90%B8%E5%BC%8F%E5%93%AA%E7%A7%8D%E5%A5%BD => Failed to connect to 101.89.117.144 port 38017: Connection refused"
抽油烟机侧吸式和顶吸式哪种好
