string(260) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%80%8E%E6%A0%B7%E6%9F%A5%E7%9C%8B%E7%94%B5%E8%84%91%E4%B8%BB%E6%9C%BAip%E5%9C%B0%E5%9D%80 => Failed to connect to 101.89.166.210 port 38089: Connection refused"
怎样查看电脑主机ip地址
