string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%8D%8E%E4%B8%BA%E5%92%8C%E4%BD%B3%E6%98%8E%E8%BF%90%E5%8A%A8%E6%89%8B%E7%8E%AF%E5%AF%B9%E6%AF%94 => Failed to connect to 14.18.117.71 port 38041: Connection refused"
华为和佳明运动手环对比
