string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%8B%8D%E7%9F%AD%E8%A7%86%E9%A2%91%E7%9A%84%E6%95%99%E7%A8%8B%E6%80%8E%E4%B9%88%E5%81%9A%E7%9A%84 => Failed to connect to 101.89.143.195 port 38175: Connection refused"
拍短视频的教程怎么做的
