string(269) "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%81hdr%E5%90%97%E6%80%8E%E4%B9%88%E7%94%A8%E5%95%8A => Failed to connect to 101.91.112.32 port 38162: Connection refused"
电视盒子支持hdr吗怎么用啊
