string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A6%82%E4%BD%95%E6%8B%8D%E5%A5%BD%E4%B8%80%E9%83%A8%E7%9F%AD%E8%A7%86%E9%A2%91 => Failed to connect to 61.171.74.35 port 38041: Connection refused"
如何拍好一部短视频
