string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%8A%E6%B5%B7%E4%BA%8C%E5%BB%BA%E9%9A%BE%E8%80%83%E5%90%97 => Failed to connect to 101.89.117.144 port 38056: Connection refused"
上海二建难考吗
