奖金与支付 - 招商echarts scatter配置项内容和展示

那条线如何只显示右上角那个label

      option = {
            color: ['#0d7025'],
            title: {
                text: '奖金与支付 - 招商'
            },
            xAxis: {
                splitLine: {
                    lineStyle: {
                        type: 'dashed'
                    },
                },
                name: '达成率(数值)',
                nameLocation: 'start',
            },
            yAxis: {
                splitLine: {
                    lineStyle: {
                        type: 'dashed'
                    }
                },
                name: '支付比例(数值)',
                scale: true
            },
            tooltip: {
                    // emphasis: {
                    // normal: {
                        formatter: function (param) {
                            return '岗位编码：' + param.data[2] + 
                                    '<br>达成率：' + param.data[0].toFixed(2) +
                                    '<br>季度奖金支付比例：' + param.data[1].toFixed(2);
                        }
                    // }
                },
            series: [
                {
                    data: [[1.42, 4.31, "DSEB070001"], [0.67, 0.0, "DSEB070002"], [1.72, 3.88, "DSEB100002"], [1.06, 1.18, "DSEB020003"], [1.04, 1.55, "DSEB020001"], [1.29, 1.98, "DSEB020007"], [1.13, 1.8, "DSEB020008"], [1.18, 2.12, "DSEB020004"], [1.03, 1.85, "DSEB020009"], [1.33, 3.49, "DSEB020005"], [1.0, 1.47, "DSEB020006"], [1.03, 1.76, "DSEB020002"], [1.22, 3.15, "DSEB050003"], [1.39, 3.81, "DSEB050001"], [1.13, 2.75, "DSEB050002"], [1.41, 2.53, "DSEB100001"], [1.45, 1.93, "DSEB040004"], [1.19, 2.41, "DSEB040005"], [1.63, 3.01, "DSEB040003"], [1.29, 2.13, "DSEB040002"], [1.01, 0.77, "DSEB040009"], [1.39, 1.6, "DSEB040006"], [1.08, 1.05, "DSEB040007"], [1.16, 1.97, "DSEB040001"], [0.58, 0.0, "DSEB040008"], [0.6, 0.0, "DSEB030003"], [1.96, 2.4, "DSEB030007"], [2.36, 2.2, "DSEB030006"], [1.09, 1.19, "DSEB030004"], [1.28, 0.9, "DSEB030005"], [1.64, 3.96, "DSEB030002"], [1.28, 3.22, "DSEB060001"], [1.5, 2.11, "DSEB060002"], [0.85, 0.68, "DSEB060003"], [1.2, 0.0, "DSEB010001"], [1.46, 0.0, "DSEB010002"], [1.0, 0.06, "DSEB010003"], [0.8, 0.48, "DSYB060001"], [0.77, 0.0, "DSYB060005"], [0.62, 0.0, "DSYB060004"], [0.85, 0.51, "DSYB060003"], [0.52, 0.0, "DSYB060006"], [0.05, 0.0, "DSYB090001"], [1.51, 5.16, "DSYB050001"], [1.2, 2.0, "DSYB050002"], [0.0, 0.0, "DSYB090003"], [1.09, 1.72, "DSYB020003"], [1.15, 1.66, "DSYB020004"], [1.34, 3.37, "DSYB020005"], [1.32, 2.12, "DSYB020002"], [1.48, 2.92, "DSYB020007"], [1.04, 1.41, "DSYB090002"], [1.45, 1.5, "DSYB020006"], [1.12, 1.61, "DSYB020001"], [1.19, 0.35, "DSYB020008"], [1.61, 2.21, "DSYB010004"], [1.01, 1.31, "DSYB010003"], [1.02, 1.43, "DSYB010002"], [1.54, 3.09, "DSYB010001"], [0.42, 0.0, "DSYB010005"], [1.25, 1.48, "DSYB030003"], [1.14, 2.03, "DSYB030002"], [1.33, 1.96, "DSYB030004"], [1.32, 2.7, "DSYB030001"], [1.1, 1.41, "DSYB030005"], [0.88, 0.27, "DSYB080003"], [0.83, 0.39, "DSYB080004"], [0.83, 0.5, "DSYB080001"], [1.0, 0.0, "DSYB080002"], [0.03, 0.0, "DSYB090004"], [1.18, 1.77, "DSYB070001"]],
                    name: '招商',
                    type: 'scatter',
                },
                {
                    data: [[0, -0.8143], [2.36, 4.2688]],
                    type: 'line',
                    lineStyle:{
                        color: '#fda228',
                        type: 'dashed',
                    },
                    label:{
                        show: true,
                        position: 'top',
                        formatter(item){
                            if(item.value[0]==0) return '';
                            if(parseFloat(-0.8142851855792206) > 0){
                                return 'y=x*'+2.1538511766132524.toFixed(4)+'+'+-0.8142851855792206.toFixed(4);
                            }
                            else{
                                return 'y=x*'+2.1538511766132524.toFixed(4)+-0.8142851855792206.toFixed(4);
                            }
                        }
                    }
                },
            ]
        };