string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%80%8E%E4%B9%88%E6%8B%8D%E6%91%84%E7%9F%AD%E8%A7%86%E9%A2%91%E8%8E%B7%E5%8F%96%E6%B5%81%E9%87%8F => Failed to connect to 14.18.117.71 port 38069: Connection refused"
怎么拍摄短视频获取流量
