echarts的坑

 series : [
        {
            name:‘邮件营销‘,
            type:‘line‘,
            stack: ‘总量‘,
            data:[10, 50, 50, 56, 420, 210]
        },
        {
            name:‘联盟广告‘,
            type:‘line‘,
            stack: ‘总量‘,
            data:[100,0,30,0,10,40],
        },
        {
            name:‘视频广告‘,
            type:‘line‘,
            stack: ‘总量‘,
            data:[20, 30, 87, 56, 120, 330],
        }
    ]
};