string(244) "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%E7%9C%9F%E9%A2%98%E5%AE%8C%E6%95%B4%E7%89%88 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
2020年监理真题完整版
