string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%80%8E%E6%A0%B7%E6%94%B6%E9%9B%86%E6%95%B0%E6%8D%AE%E7%BA%BF%E4%B8%8A%E7%9A%84%E8%A7%86%E9%A2%91 => Failed to connect to 101.89.143.195 port 38175: Connection refused"
怎样收集数据线上的视频
