Flotr2，图形上的颜色已更改，图例不更新

当我更改图形中一行的颜色时，图例不会更新为相同的颜色。它保持与默认颜色相同。我需要做些什么来更新图例中的颜色以显示与图形相同的颜色吗？

代码和jsfiddle都是同一个例子。

http://jsfiddle.net/ye0ny57j/

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <title>Flotr2 </title>
    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js"></script>
    <script language="javascript" type="text/javascript" src="js/flotr2.min.js"></script>
</head>
<body>
    <div id="container" style="width:840px;height:400px"></div>
    <script>
        var d1 = [[0, 3], [4, 8], [8, 5], [9, 13]], // First data series
                d2 = [],                                // Second data series
                i, graph;
        var container = document.getElementById('container');
        // Generate first data set
        for (i = 0; i < 14; i += 0.5) {
            d2.push([i, Math.sin(i)]);
        }
        // Draw Graph
        graph = Flotr.draw(container,
                [{"label": "d1", "lines": {"lineWidth": "1", "color": "#f00"}, "data": d1}, {"label": "d2", "data": d2}], {
                    title: "Flotr2 test",
                    subtitle: "Subtitle",
                    xaxis: {
                        minorTickFreq: 4
                    },
                    grid: {
                        minorVerticalLines: true
                    },
                    legend: {
                        position: 'ne'
                    }
                });
    </script>

您只更改代码中的行的颜色：

{"label" : "d1","lines" : {"lineWidth" : "1", "color" : "#f00"}, "data" : d1}

尝试更改数据集的颜色：

{"label": "d1", "lines": {"lineWidth": "1"}, "data": d1, "color": "#F00"}

请参阅：http://jsfiddle.net/ye0ny57j/9/

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