string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%99%BE%E9%A2%98%E6%96%A9%E5%92%8C%E4%B8%9C%E5%A5%A5%E5%88%9D%E7%BA%A7%E5%93%AA%E4%B8%AA%E5%A5%BD => Failed to connect to 14.18.117.71 port 38220: Connection refused"
百题斩和东奥初级哪个好
