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%E4%B8%80%E7%BA%A7%E5%BB%BA%E9%80%A0%E5%B8%88%E9%98%85%E5%8D%B7 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
2021年一级建造师阅卷
