string(241) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BD%95%E8%A7%86%E9%A2%91%E5%93%AA%E4%B8%AAapp%E6%AF%94%E8%BE%83%E5%A5%BD => Failed to connect to 61.171.74.35 port 38027: Connection refused"
录视频哪个app比较好
