extjs - highcharts - plotline test

HTML

<link rel="stylesheet" href="http://cdn.sencha.com/ext-4.1.1-gpl/resources/css/ext-all.css">
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script src="http://code.highcharts.com/highcharts.js"></script>
<script src="http://joekuan.org/demos/Highcharts_Sencha/Chart/ux/Highcharts.js"></script>
<script src="http://joekuan.org/demos/Highcharts_Sencha/Chart/ux/Highcharts/Serie.js"></script>
<script src="http://joekuan.org/demos/Highcharts_Sencha/Chart/ux/Highcharts/LineSerie.js"></script>
<script src="http://joekuan.org/demos/Highcharts_Sencha/Chart/ux/Highcharts/SplineSerie.js"></script>

JavaScript

var store = new Ext.data.ArrayStore({
  fields: ['month', 'value'],
  data: [
    ['jan', 1],
    ['feb', 2],
    ['mar', 3],
    ['apr', 4],
    ['mai', 5],
    ['jun', 6],
    ['jul', 16],
    ['aug', 2],
    ['sep', 7],
    ['oct', 4],
    ['nov', 3],
    ['dec', 11]
  ]
});

var chart = Ext.create('Chart.ux.Highcharts', {
  series: [{
    dataIndex: 'value'
  }],
  xField: 'month',
  store: store,
  chartConfig: {
    chart: {
      type: 'spline'
    },
    title: {
      text: 'A simple graph'
    },
    xAxis: {
      plotLines: [{
        color: '#FF0000',
        width: 5,
        value: 'mar'
      }]
    }
  }
});

Ext.create('Ext.panel.Panel', {
  title: 'Highcharts-Test',
  width: 500,
  height: 500,
  layout: 'fit',
  renderTo: Ext.getBody(),
  items: [chart]
});

store.load();