on (echarts) {

                var option = {
                    axisPointer: {
                        label: {
                            backgroundColor: 'blue',
                            borderColor: 'green',
                            borderRadius: 5,
                            borderWidth: 2,
                            shadowBlur: 6,
                            shadowOffsetX: 3,
                            shadowOffsetY: 3,
                            shadowColor: '#000'
                      