string(235) "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%E6%B3%95%E8%A7%84%E5%88%86%E6%95%B0%E7%BA%BF => Failed to connect to 101.89.159.206 port 38075: Connection refused"
2021二建法规分数线
