设置间隔阴影，x轴多一个刻度echarts 柱状配置项内容和展示

设置 splitArea: { interval: 0, show: true, },回发现最后两个连在一起了， 请问还有什么方法能解决x轴多一个刻度吗，这样看着太紧了

      option = {
    //标题组件
    title: {
        text: '全球数据统计',
        textStyle: {
            color: '#B03A5B',
            fontWeight: 'normal',
        },
        subtext: '副标题文本',
        subtextStyle: {
            fontStyle: 'italic',
            color: '#3385ff',
        },
        itemGap: 10,
        left: 'center',
        top: '0px',
        backgroundColor: '#ccc'
    },
    //图例组件
    legend: {
        type: 'plain',
        orient: 'vertical',
        align: 'left',
        right: 0,
        top: '50px',
        formatter: function(name) {
            return echarts.format.truncateText(name, 40, '14px Microsoft Yahei', '…');
        },
        itemGap: 20,
        tooltip: {
            show: true
        },
    },
    // 提示窗
    tooltip: {
        trigger: 'axis',
    },
    // 工具栏
    toolbox: {
        show: true,
        feature: {
            dataView: {
                readOnly: false
            },
            saveAsImage: {}
        }
    },
    // x轴
    xAxis: {
        name: '时间',
        nameLocation: 'end',
        nameGap: 30,
        offset: 40,
        nameRotate: 40,
        type: 'category',
        boundaryGap: true,
        min: 'dataMin',
        // 坐标轴线
        axisLine: {
            symbol: ['none', 'arrow'],
            symbolOffset: [0, 0],
            lineStyle: {
                color: '#000'
            }
        },
        // max: function(value) {
        //     return value.max + 1;
        // },
        // 坐标轴刻度
        axisTick: {
            show: true,
            // interval: 1,
            inside: true,
            alignWithLabel: true
        },
        axisLabel: {
            // rotate: -90,
            margin: -30,
            interval: 0,
            formatter: function(value) {
                if (value)
                    return value.split("").join("\n");
            }
        },
        // 分割区域
        splitLine: {
            show: false
        },
        splitArea: {
            interval: 0,
            show: true,
        },
        data: [1992, 1994, 1994, 11995, 1996, 1997, 1998, 1999, 2000, 2001, 2002]
    },
    yAxis: {
        position: 'bottom',
        type: 'value',
        name: '数量',
        nameLocation: 'center',
        nameGap: 40,
        nameRotate: 0,
        // max: function(value) {
        //   return value.max * 1.2;
        // },
    },
    series: [{
        data: [400, 632, 601, 634, 790, 830, 120, 335, 66, 599, 800],
        type: 'bar',
        name: '图列1'
    }, {
        data: [820, 932, 901, 934, 1290, 1330, 1320, 335, 666, 999, 1000],
        type: 'line',
        name: '2',
        markPoint: {
            data: [{
                    type: 'max',
                    name: '最大值'
                },
                {
                    type: 'min',
                    name: '最小值'
                }
            ],
            symbolSize: 50,
        }
    }, {
        type: 'line',
        markLine: {
            silent: false,
            symbolSize: 5,
            data: [{
                name: '100 参考线',
                itemStyle: {
                    normal: {
                        show: true,
                        color: '#8fbdfd'
                    }
                },
                symbol: 'none',
                yAxis: 1200
            }]
        }

    }]
};