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%E5%BB%BA%E7%AD%91%E5%88%86%E6%95%B0%E7%BA%BF => Failed to connect to 101.89.117.144 port 38056: Connection refused"
2021二建建筑分数线
