string(244) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2021%E5%B9%B4%E7%9B%91%E7%90%86%E6%B3%95%E8%A7%84%E8%80%83%E8%AF%95%E9%A2%98 => Failed to connect to 101.89.117.144 port 38208: Connection refused"
2021年监理法规考试题
