string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%94%B5%E8%A7%86%E7%9B%92%E6%94%AF%E6%8C%81%E4%BB%80%E4%B9%88%E6%A0%BC%E5%BC%8F%E8%A7%86%E9%A2%91 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
电视盒支持什么格式视频
