string(293) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%80%8E%E6%A0%B7%E6%94%B6%E9%9B%86%E6%95%B0%E6%8D%AE%E6%8A%8A%E5%BF%83%E7%8E%87%E7%9A%84%E5%85%B3%E7%B3%BB%E8%A1%A8%E8%BE%BE%E5%87%BA%E6%9D%A5 => Received HTTP code 403 from proxy after CONNECT"
怎样收集数据把心率的关系表达出来
