string(253) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2023%E5%B9%B4%E4%B8%80%E5%BB%BA%E6%B8%AF%E8%88%AA%E8%80%83%E8%AF%95%E7%AD%94%E6%A1%88 => Failed to connect to 101.89.143.195 port 38205: Connection refused"
2023年一建港航考试答案
