 start: 50,
                        end: 70
                    }, {
                        type: 'inside',
                        start: 50,
                        end: 70
                    }],
                    xAxis: {
                        data: categoryData
                    },
                    yAxis: {},
                    series: [{
                        type: 'bar',
                        name: 'bar',
                        data: barData,
                        itemStyle: {
     