string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BA%8C%E5%BB%BA%E5%AE%9E%E5%8A%A1%E6%9C%80%E6%96%B0%E7%9C%9F%E9%A2%98 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
二建实务最新真题
