4.x 版本 showTip 不能正常显示echarts mapUnSelect配置项内容和展示

echarts 4.0.5 版本上自动轮播 showTip ，不能正常显示

      function chartCarousel(echarts, option) {
    var app = {
            currentIndex: -1
        },
        timer = null,
        timerTime = null,
        _ecData = option.series[0].data;

    function start() {
        clearInterval(timer);
        var dataLen = _ecData.length;
        timer = setInterval(function() {
            // 取消之前高亮的图形
            echarts.dispatchAction({
                type: 'mapUnSelect',
                seriesIndex: 0,
                dataIndex: app.currentIndex
            });
            app.currentIndex = (app.currentIndex + 1) % dataLen;
            // 高亮当前图形
            echarts.dispatchAction({
                type: 'mapSelect',
                seriesIndex: 0,
                dataIndex: app.currentIndex
            });
            // 显示 tooltip
            echarts.dispatchAction({
                type: 'hideTip',
                seriesIndex: 0,
                dataIndex: app.currentIndex - 1
            });
            echarts.dispatchAction({
                type: 'showTip',
                seriesIndex: 0,
                dataIndex: app.currentIndex
            });
        }, 5000);
    }
    //停止
    function stop() {
        clearTimeout(timerTime);
        clearInterval(timer);
    }
    //鼠标移上停止
    echarts.on("mouseover", function() {
        stop();
        echarts.dispatchAction({
            type: 'downplay',
            seriesIndex: 0,
            dataIndex: app.currentIndex
        });
    })
    //鼠标移开启动
    echarts.on("mouseout", function() {
        //防止多次移入移出调用多次
        clearTimeout(timerTime);
        timerTime = setTimeout(function() {
            start();
        }, 1000)
    })
    // 返回
    return {
        currentIndex: app.currentIndex,
        start: start
    }
}

option = {
    tooltip: {
        trigger: 'item',
        triggerOn:'none'
    },
    series: [{
        map: '福建',
        name: '福建省商务数据分析',
        type: 'map',
        zoom: 1.1,
        aspectScale: 0.8, //参数用于 scale 地图的长宽比。
        layoutCenter: ['55%', '46%'],
        layoutSize: '80%',
        label: {
            normal: {
                show: true,
                fontSize: 16,
                color: '#fff'
            },
            emphasis: {
                show: false,
                color: '#fff'
            }
        },
        itemStyle: {
            normal: {
                borderColor: '#2eb4ff',
                areaColor: 'rgba(1, 45, 117, 0.6)',
            },
            emphasis: {
                areaColor: 'rgba(255, 203, 68, 1)',
                shadowColor: 'rgba(0, 0, 0, 0.6)',
                shadowBlur: 8,
                shadowOffsetX: -8,
                shadowOffsetY: 0
            }
        },
        data: [{
                name: '福州市',
                value: Math.round(Math.random() * 10000),
                moneyData: [Math.round(Math.random() * 10000), Math.round(Math.random() * 1000), Math.round(Math.random() * 10000), Math.round(Math.random() * 1000)]
            }, {
                name: '平潭综合试验区',
                value: Math.round(Math.random() * 10000),
                moneyData: [Math.round(Math.random() * 10000), Math.round(Math.random() * 1000), Math.round(Math.random() * 10000), Math.round(Math.random() * 1000)]
            },
            {
                name: '莆田市',
                value: Math.round(Math.random() * 10000),
                moneyData: [Math.round(Math.random() * 10000), Math.round(Math.random() * 1000), Math.round(Math.random() * 10000), Math.round(Math.random() * 1000)]
            },
            {
                name: '泉州市',
                value: Math.round(Math.random() * 10000),
                moneyData: [Math.round(Math.random() * 10000), Math.round(Math.random() * 1000), Math.round(Math.random() * 10000), Math.round(Math.random() * 1000)]
            },
            {
                name: '厦门市',
                value: Math.round(Math.random() * 10000),
                moneyData: [Math.round(Math.random() * 10000), Math.round(Math.random() * 1000), Math.round(Math.random() * 10000), Math.round(Math.random() * 1000)]
            },
            {
                name: '漳州市',
                value: Math.round(Math.random() * 10000),
                moneyData: [Math.round(Math.random() * 1000), Math.round(Math.random() * 1000)]
            },
            {
                name: '龙岩市',
                value: Math.round(Math.random() * 10000),
                moneyData: [Math.round(Math.random() * 10000), Math.round(Math.random() * 1000), Math.round(Math.random() * 10000), Math.round(Math.random() * 1000)]
            }, {
                name: '三明市',
                value: Math.round(Math.random() * 10000),
                moneyData: [Math.round(Math.random() * 10000), Math.round(Math.random() * 1000), Math.round(Math.random() * 10000), Math.round(Math.random() * 1000)]
            },
            {
                name: '南平市',
                value: Math.round(Math.random() * 10000),
                moneyData: [Math.round(Math.random() * 10000), Math.round(Math.random() * 1000), Math.round(Math.random() * 10000), Math.round(Math.random() * 1000)]
            },
            {
                name: '宁德市',
                value: Math.round(Math.random() * 10000),
                moneyData: [Math.round(Math.random() * 10000), Math.round(Math.random() * 1000), Math.round(Math.random() * 10000), Math.round(Math.random() * 1000)]
            }
        ]
    }]
}

var _chartCarousel = chartCarousel(myChart, option);
_chartCarousel.start();