string(235) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%99%95%E8%A5%BF%E4%BA%8C%E5%BB%BA2021%E5%B9%B4%E7%9C%9F%E9%A2%98 => Failed to connect to 101.89.117.144 port 38208: Connection refused"
陕西二建2021年真题
