string(244) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2021%E7%9B%91%E7%90%86%E8%80%83%E8%AF%95%E4%B8%89%E6%8E%A7%E7%9C%9F%E9%A2%98 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
2021监理考试三控真题
