string(378) "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%E6%8A%80%E6%9C%AF%E7%9A%84%E5%B9%BF%E6%B3%9B%E5%BA%94%E7%94%A8%2C%E8%AE%A9%E4%BA%BA%E4%BB%AC%E7%9A%84%E7%94%9F%E6%B4%BB%E5%8F%98%E5%BE%97%E8%B6%8A%E6%9D%A5%E8%B6%8A%E4%BE%BF%E5%88%A9 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
互联网技术的广泛应用,让人们的生活变得越来越便利
