string(244) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2021%E4%BA%8C%E5%BB%BA%E5%BB%BA%E7%AD%91%E7%9C%9F%E9%A2%98%E8%AF%95%E5%8D%B7 => Failed to connect to 101.89.143.195 port 38175: Connection refused"
2021二建建筑真题试卷
