option = { title: { text: 'Awesome Chart' }, yAxis: { data: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'] }, xAxis: [{}, {}], series: [{ type: 'bar', xAxisIndex: 1, itemStyle: { color: 'gray' }, barWidth: '25%', data: [700, 700, 700, 700, 700, 700, 700], barGap: '-150%', silent: true }, { stack: 'xxx', type: 'bar', data: [220, 182, 191, 234, 290, 330, 310], itemStyle: { opacity: 0 }, barWidth: '50%', silent: true }, { stack: 'xxx', type: 'bar', data: [220, 182, 191, 234, 290, 330, 310], itemStyle:{ color:'orange' } }, ], };