string(257) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=0%E5%9F%BA%E7%A1%80%E8%A1%A8%E6%A0%BC%E5%88%B6%E4%BD%9C%E6%89%93%E5%8D%B0%E6%95%99%E7%A8%8B => Failed to connect to 14.18.117.71 port 38069: Connection refused"
0基础表格制作打印教程
