string(300) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%89%E6%98%9F%E7%AC%94%E8%AE%B0%E6%9C%AC%E5%80%BC%E5%BE%97%E4%B9%B0%E5%90%97%E7%8E%B0%E5%9C%A8%E8%BF%98%E8%83%BD%E7%94%A8%E5%90%97 => Failed to connect to 14.18.46.51 port 38206: Connection refused"
三星笔记本值得买吗现在还能用吗
