string(269) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2020%E5%B9%B4%E7%9B%91%E7%90%86%E4%B8%89%E6%8E%A7%E4%BA%A4%E9%80%9A%E7%9C%9F%E9%A2%98%E8%A7%A3%E6%9E%90 => Failed to connect to 14.18.117.71 port 38220: Connection refused"
2020年监理三控交通真题解析
