option = { xAxis: {}, yAxis: {}, color: ['#000', '#111', '#222'], dataZoom: { xAxisIndex: 0, startValue: 45 }, series: [ { id: 'k2', type: 'scatter', data: [ [10, 7], [20, 7], [30, 7], [40, 7], { value: [50, 222], itemStyle: { normal: { color: '#ff0' } } } ], itemStyle: { normal: { color: '#000' } } } ] }