diff --git a/src/com/fr/plugin/demo/demoWrapper.js b/src/com/fr/plugin/demo/demoWrapper.js
index da2224b..2c62f80 100644
--- a/src/com/fr/plugin/demo/demoWrapper.js
+++ b/src/com/fr/plugin/demo/demoWrapper.js
@@ -10,4 +10,17 @@ demoWrapper = ExtendedChart.extend({
         chart.setOption(option);
     },
 
+    _resize: function (chart) {
+        chart.resize();
+    },
+
+    _exportInit:function (dom, option) {
+        option.animation = false;
+        return this._init(dom, option);
+    },
+
+    _exportImage: function (chart) {
+        return chart.getConnectedDataURL({type: 'png'})
+    }
+
 });
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