option = { title: { text: 'Awesome Chart' }, xAxis: { data: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'] }, yAxis: {}, series: [{ type: 'bar', data: [220, { value:-182, label: { normal: { show: true, position: 'bottom' } } }, 191, 234, 290, 330, 310], itemStyle: { normal: { label: { show: true, position: 'top' } } }, }] };