string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%96%B0%E6%89%8B%E6%80%8E%E4%B9%88%E5%88%B6%E4%BD%9C%E8%A1%A8%E6%A0%BC%E5%B9%B6%E6%89%93%E5%8D%B0 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
新手怎么制作表格并打印
