option = { backgroundColor:'#fff', xAxis: { position: 'top', type: 'category', data: ['12:30', '12:40', '12:50', '13:00', '13:10', '13:20', '13:30', '13:40', '13:50', '14:00', '14:10', '14:20'], axisLine: { onZero: false } }, grid : { top :80, left :'5%', right :'5%', bottom:'55%' }, yAxis: { inverse: true, type: 'value' }, series: [{ data:[92,90,88,85,80,85,80,80,82,84,82,80,80], type: 'line', color: '#008000', symbol: 'circle', smooth: true }] };