string(238) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%AF%BA%E8%B4%9D%E5%B0%94%E5%92%8C%E5%B9%B3%E5%A5%96%E5%8D%8E%E8%A3%94 => Failed to connect to 14.18.117.71 port 38041: Connection refused"
诺贝尔和平奖华裔
