option = { tooltip: { trigger: 'axis' }, xAxis: { type: 'category', // axisLine: { // onZero: false, // }, data: ['a', 'b', 'c'] }, yAxis: { max: 1574, min: -3000 }, series: [{ type: 'line', data: [214, -100, 200], lineStyle: { normal: { color: 'yellow' } }, stack: 'confidence-band' }, { type: 'line', data: [1290, 1297, 1299], lineStyle: { normal: { color: 'red' } }, areaStyle: { normal: { color: '#000', } }, stack: 'confidence-band' }] }