string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%B9%BF%E4%B8%9C%E4%BA%8C%E5%BB%BA%E5%8E%86%E5%B9%B4%E7%9C%9F%E9%A2%98 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
广东二建历年真题
