string(323) "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%E7%9C%9F%E9%A2%98%E5%8F%8A%E7%AD%94%E6%A1%88%E8%A7%A3%E6%9E%90%E7%AC%AC%E4%BA%8C%E6%89%B9%E5%86%85%E8%92%99%E5%8F%A4 => Failed to connect to 14.18.117.71 port 38133: Connection refused"
2021二建法规真题及答案解析第二批内蒙古
