string(294) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%87%AA%E5%B7%B1%E5%A6%82%E4%BD%95%E5%88%B6%E4%BD%9C%E4%B8%80%E4%B8%AA%E7%BD%91%E9%A1%B5%E4%BB%A3%E7%A0%81%E6%95%99%E7%A8%8B => Failed to connect to 101.89.166.210 port 38089: Connection refused"
自己如何制作一个网页代码教程
