string(294) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%80%8E%E4%B9%88%E6%A0%B7%E7%9C%8B%E6%99%BA%E8%83%BD%E7%94%B5%E8%A1%A8%E7%9A%84%E5%BA%A6%E6%95%B0%E5%92%8C%E5%BA%A6%E6%95%B0 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
怎么样看智能电表的度数和度数
