string(256) "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%94%B5%E8%84%91%E7%AC%94%E8%AE%B0%E6%9C%AC%E4%BC%98%E7%BC%BA%E7%82%B9 => Failed to connect to 218.78.59.96 port 38043: Connection refused"
三星电脑笔记本优缺点
