option = { animation:false, backgroundColor:'white', tooltip: { trigger: 'axis' }, legend: { textStyle:{fontSize:20}, data:['accuracy'] }, grid: { left: '3%', right: '4%', bottom: '7%', top:'7%', containLabel: true }, xAxis: { axisTick: { show: false }, axisLabel:{ textStyle:{ fontSize:15, }, interval:0 }, type: 'category', boundaryGap:['20%', '20%'], name:"the number of part N", nameTextStyle:{fontSize:20}, nameGap:26, nameLocation:'middle', data: ["2","4","6", "8", "10", "12","14","16","18","20"] }, yAxis: [{ axisLabel:{ textStyle:{ fontSize:15, } }, axisLine: {show:false}, type: 'value', name:"accuracy", nameLocation:'middle', nameGap:26, nameTextStyle:{fontSize:20}, interval:5, min:30, max:60 }], series: [ { name:'accuracy', type:'line', itemStyle : { normal : { color:'#003366', lineStyle:{ color:'#003366'}, label : {show: true} } }, symbol:'star', symbolSize:8, markPoint: { symbolSize: 100, itemStyle: { normal: { label: { show: true, fontSize:20 } }, } }, //itemStyle:{ normal: {label : {show: true}}}, yAxisIndex:0, data:[50.3,50.2,50.2,52.6,49.1,50.8,50.4,50.0,50.9,49.5] }, ] };