string(285) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BA%92%E8%81%94%E7%BD%91%E7%BB%99%E7%8E%B0%E4%BB%A3%E7%A4%BE%E4%BC%9A%E5%B8%A6%E6%9D%A5%E7%9A%84%E5%BD%B1%E5%93%8D => Failed to connect to 101.89.117.144 port 38208: Connection refused"
互联网给现代社会带来的影响
