string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=5g%E4%BC%9A%E7%BB%99%E6%99%BA%E8%83%BD%E5%AE%B6%E5%B1%85%E5%B8%A6%E6%9D%A5%E5%93%AA%E4%BA%9B%E5%8F%AF%E8%83%BD => Failed to connect to 14.18.117.71 port 38069: Connection refused"
5g会给智能家居带来哪些可能
