string(252) "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%90hdr%E9%87%8D%E8%A6%81%E5%90%97%E7%9F%A5%E4%B9%8E => Failed to connect to 125.88.227.171 port 38062: Connection refused"
电视盒子hdr重要吗知乎
