string(242) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2020%E5%B9%BF%E4%B8%9C%E4%BA%8C%E5%BB%BA%E6%B3%95%E8%A7%84%E4%BC%B0%E5%88%86 => Failed to connect to 14.18.117.71 port 38133: Connection refused"
2020广东二建法规估分
