bug，visualMap颜色错乱echarts 折线配置项内容和展示

在chrome中默认开启硬件加速时，visualMap颜色错乱。关闭硬件加速时正常

      option = {
    title: {
        text: 'Awesome Chart'
    },
    xAxis: {
        data: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat']
    },
    yAxis: {},
    series: [{
        type: 'line',
        data:[220, 182, 191, 234, 290, 330, 310]
    }]
};

var $x = ["2020-08-20","2020-08-21","2020-08-24","2020-08-25","2020-08-26","2020-08-27","2020-08-28","2020-08-31","2020-09-01","2020-09-02","2020-09-03","2020-09-04","2020-09-07","2020-09-08","2020-09-09","2020-09-10","2020-09-11","2020-09-14","2020-09-15","2020-09-16","2020-09-17","2020-09-18","2020-09-21","2020-09-22","2020-09-23","2020-09-24","2020-09-25","2020-09-28","2020-09-29","2020-09-30","2020-10-09","2020-10-12","2020-10-13","2020-10-14","2020-10-15","2020-10-16","2020-10-19","2020-10-20","2020-10-21","2020-10-22","2020-10-23","2020-10-26","2020-10-27","2020-10-28","2020-10-29","2020-10-30","2020-11-02","2020-11-03","2020-11-04","2020-11-05","2020-11-06","2020-11-09","2020-11-10","2020-11-11","2020-11-12","2020-11-13","2020-11-16","2020-11-17","2020-11-18","2020-11-19","2020-11-20","2020-11-23","2020-11-24","2020-11-25","2020-11-26","2020-11-27","2020-11-30","2020-12-01","2020-12-02","2020-12-03","2020-12-04","2020-12-07","2020-12-08","2020-12-09","2020-12-10","2020-12-11","2020-12-14","2020-12-15","2020-12-16","2020-12-17","2020-12-18","2020-12-21","2020-12-22","2020-12-23","2020-12-24","2020-12-25","2020-12-28","2020-12-29","2020-12-30","2020-12-31","2021-01-04","2021-01-05","2021-01-06","2021-01-07","2021-01-08","2021-01-11","2021-01-12","2021-01-13","2021-01-14","2021-01-15","2021-01-18","2021-01-19","2021-01-20","2021-01-21","2021-01-22","2021-01-25","2021-01-26","2021-01-27","2021-01-28","2021-01-29","2021-02-01","2021-02-02","2021-02-03","2021-02-04","2021-02-05","2021-02-08","2021-02-09","2021-02-10","2021-02-18","2021-02-19","2021-02-22","2021-02-23","2021-02-24","2021-02-25","2021-02-26","2021-03-01","2021-03-02","2021-03-03","2021-03-04","2021-03-05","2021-03-08","2021-03-09","2021-03-10","2021-03-11","2021-03-12","2021-03-15","2021-03-16","2021-03-17","2021-03-18","2021-03-19","2021-03-22","2021-03-23","2021-03-24","2021-03-25","2021-03-26","2021-03-29","2021-03-30","2021-03-31","2021-04-01","2021-04-02"];


option = {
    title: {
        text: '一天用电量分布',
        subtext: '纯属虚构'
    },
    tooltip: {
        trigger: 'axis',
        axisPointer: {
            type: 'cross'
        }
    },
    toolbox: {
        show: true,
        feature: {
            saveAsImage: {}
        }
    },
    xAxis: {
        type: 'category',
        boundaryGap: false,
        data: $x
    },
    yAxis: {
        type: 'value',
        axisLabel: {
            formatter: '{value} W'
        },
        axisPointer: {
            snap: true
        }
    },
    visualMap: {
        show: false,
        dimension: 0,
        pieces: [{
            lte: 6,
            color: 'green'
        }, {
            gt: 6,
            lte: 8,
            color: 'red'
        }, {
            gt: 8,
            lte: 14,
            color: 'green'
        }, {
            gt: 14,
            lte: 17,
            color: 'red'
        }, {
            gt: 17,
            color: 'green'
        }]
    },
    series: [
        {
            name: '用电量',
            type: 'line',
            smooth: true,
            data: [300, 280, 250, 260, 270, 300, 550, 500, 400, 390, 380, 390, 400, 500, 600, 750, 800, 700, 600, 400],
            markArea: {
                itemStyle: {
                    color: 'rgba(255, 173, 177, 0.4)'
                },
                data: [ [{
                    name: '早高峰',
                    xAxis: '07:30'
                }, {
                    xAxis: '10:00'
                }], [{
                    name: '晚高峰',
                    xAxis: '17:30'
                }, {
                    xAxis: '21:15'
                }] ]
            }
        }
    ]
};