string(285) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%B0%8F%E7%B1%B3%E5%92%8C%E4%BD%B3%E6%98%8E%E8%BF%90%E5%8A%A8%E6%89%8B%E7%8E%AF%E5%8C%BA%E5%88%AB%E5%A4%A7%E5%90%97 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
小米和佳明运动手环区别大吗
