var option = { tooltip: { trigger: 'axis' }, grid: { left: '3%', right: '4%', bottom: '3%', containLabel: true }, xAxis: [ { type: 'category', data: DATA.xData, axisTick: { alignWithLabel: true } } ], yAxis: [ { type: 'value', name: count } ], series: [ { name: count, type: 'bar', barWidth: '60%', itemStyle: { normal: { color: function(params) { var colorList = ["#3398db", "#434348", "#90ed7d", "#f7a35c", "#61a0a8", "#61a0a8", "#91c7ae", "#2f4554"]; return colorList[params.dataIndex] } } }, label: { normal: { show: true, position: 'top' } }, data: DATA.yData } ] };