string(249) "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%9C%89%E4%BB%80%E4%B9%88%E4%BD%9C%E7%94%A8 => Failed to connect to 101.89.159.206 port 38100: Connection refused"
电视盒子有什么作用
