string(233) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%9F%BA%E4%BA%8E5g%E7%9A%84%E6%99%BA%E8%83%BD%E5%AE%B6%E5%B1%85 => Failed to connect to 101.89.159.206 port 38100: Connection refused"
基于5g的智能家居
