string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%81%9A%E7%BE%8E%E9%A3%9F%E8%A7%86%E9%A2%91%E9%9C%80%E8%A6%81%E5%87%86%E5%A4%87%E4%BB%80%E4%B9%88 => Failed to connect to 101.89.117.144 port 38076: Connection refused"
做美食视频需要准备什么
