string(228) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=dns%E8%AE%BE%E7%BD%AE114%E7%BD%91%E9%80%9F%E5%BF%AB%E4%BA%86 => Failed to connect to 101.89.143.195 port 38175: Connection refused"
dns设置114网速快了
