string(287) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%80%8E%E4%B9%88%E6%8A%8Awifi%E7%94%B5%E8%A7%86%E6%80%8E%E4%B9%88%E5%88%87%E6%8D%A2%E7%9C%8B%E7%94%B5%E8%A7%86%E5%8F%B0 => Failed to connect to 14.18.117.71 port 38041: Connection refused"
怎么把wifi电视怎么切换看电视台
