option = { xAxis: { type: 'category', data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'], "axisLabel": { "interval": 0, "rotate": 60, // "fontWeight" : 'bolder' } }, yAxis: { type: 'value' }, series: [{ data: [120, 200, 150, 80, 70, 110, 130], type: 'bar' }] };