string(300) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%81%94%E6%83%B3%E5%B0%8F%E6%96%B0%E9%94%90%E9%BE%99%E7%89%88%E5%A5%BD%E8%BF%98%E6%98%AF%E9%85%B7%E7%9D%BF%E7%89%88%E5%A5%BD%E5%91%A2 => Failed to connect to 14.18.46.51 port 38044: Connection refused"
联想小新锐龙版好还是酷睿版好呢
