string(256) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%8D%8E%E4%B8%BA%E5%92%8C%E8%8B%B1%E7%89%B9%E5%B0%94%E8%B0%81%E6%8A%80%E6%9C%AF%E9%AB%98 => Failed to connect to 14.18.117.71 port 38220: Connection refused"
华为和英特尔谁技术高
