l.map([220, 282, 201, 234, 290, 430, 410], function (value, index) {
                            return [index * 100, value];
                        })
                    }, {
                        xAxisIndex: 2,
                        yAxisIndex: 2,
                        name:'Step End',
                        type:'line',
                        step: 'end',
                        data: echarts.util.map([450, 432, 401, 454, 590, 530, 510], function (value, index) {
                            ret