string(341) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BB%A5%E5%A4%AA%E7%BD%91%E6%B2%A1%E6%9C%89%E6%9C%89%E6%95%88%E7%9A%84ip%E9%85%8D%E7%BD%AE%E6%98%AF%E4%BB%80%E4%B9%88%E6%84%8F%E6%80%9D%E6%80%8E%E4%B9%88%E5%BC%84%E5%91%80 => Failed to connect to 101.89.143.195 port 38205: Connection refused"
以太网没有有效的ip配置是什么意思怎么弄呀
