string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%80%E5%BB%BA%E8%AE%B2%E5%B8%88%E9%97%AB%E4%B8%99%E5%8B%87%E4%B8%AA%E4%BA%BA%E7%AE%80%E5%8E%86 => Failed to connect to 14.18.117.71 port 38041: Connection refused"
一建讲师闫丙勇个人简历
