string(266) "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%E5%AD%90%E6%94%AF%E6%8C%81%E4%BB%80%E4%B9%88%E6%A0%BC%E5%BC%8F%E7%9A%84%E8%A7%86%E9%A2%91 => Received HTTP code 403 from proxy after CONNECT"
电视盒子支持什么格式的视频
