string(242) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=5g%E5%92%8C%E6%99%BA%E8%83%BD%E5%AE%B6%E5%B1%85%E7%9A%84%E5%85%B3%E7%B3%BB => Failed to connect to 101.89.117.144 port 38056: Connection refused"
5g和智能家居的关系
