option = { xAxis: { data: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'] }, yAxis: {}, series: [ { type: 'line', data: [220, 182, 191, 234, 290, 330, 310].map(function(val) { return val*2 }) }, { type: 'bar', stack:'1', // barWidth:'30%', data: [220, 182, 191, 234, 290, 330, 310] }, { type: 'bar', stack:'1', data: [220, 182, 191, 234, 290, 330, 310] } ] };