string(242) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=5g%E6%99%BA%E6%85%A7%E5%AE%B6%E5%B1%85%E5%BA%94%E7%94%A8%E5%9C%BA%E6%99%AF => Failed to connect to 125.88.227.171 port 38062: Connection refused"
5g智慧家居应用场景
