string(261) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2021%E9%99%95%E8%A5%BF%E4%BA%8C%E5%BB%BA%E8%80%83%E8%AF%95%E7%AD%94%E6%A1%88%E8%A7%A3%E6%9E%90 => Failed to connect to 101.91.112.32 port 38195: Connection refused"
2021陕西二建考试答案解析
