string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BE%8E%E5%9B%BD%E4%B8%BA%E4%BB%80%E4%B9%88%E6%89%BF%E8%AE%A4%E6%91%A9%E6%B4%9B%E5%B8%8C%E4%BA%9A => Failed to connect to 14.18.117.71 port 38220: Connection refused"
美国为什么承认摩洛希亚
