string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%B8%82%E6%94%BF%E4%BA%8C%E5%BB%BA%E7%9C%9F%E9%A2%98%E8%A7%A3%E6%9E%90 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
市政二建真题解析
