急-航线lines不能在直角坐标系中使用吗？echarts 折线配置项内容和展示

      option = {
    title: {
        text: '堆叠区域图'
    },
    tooltip : {
        trigger: 'axis'
    },
    legend: {
        data:['邮件营销','test_lines']
    },
    toolbox: {
        feature: {
            saveAsImage: {}
        }
    },
    grid: {
        left: '3%',
        right: '4%',
        bottom: '3%',
        containLabel: true
    },
    xAxis : [
        {
           
            boundaryGap : false,
            data : [1,2,3,4,5,6,7]
        }
    ],
    yAxis : [
        {
            type : 'value'
        }
    ],
    series : [
        {
            name:'邮件营销',
            type:'line',
            data:[120, 132, 101, 134, 90, 230, 210]
        },
        {
            name: 'test lines',
            type: 'lines',
 
            coordinateSystem:'cartesian2d',
            effect: {
                show: true,
                period: 6,
                trailLength: 0,
                symbol: 'circle',
                symbolSize: 15
            },
            lineStyle: {
                normal: {
                    color: '#a6c84c',
                    width: 2,
                    curveness: 0.2
                }
            },
            data: {
                coords: [
                    [1, 1],  // 起点
                    [7, 3]   // 终点
                ]
            }
        }
    ]
};