string(274) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%94%A8%E4%BB%80%E4%B9%88%E8%BD%AF%E4%BB%B6%E6%88%AA%E5%8F%96%E8%A7%86%E9%A2%91%E6%9C%80%E5%A5%BD%E7%9C%8B => Failed to connect to 61.171.74.35 port 38041: Connection refused"
用什么软件截取视频最好看
