update demo url

README.md

@@ -1,16 +1,18 @@
 
 # vue-schart 
 
->  :bar_chart: Vue.js wrapper for sChart.js
-
-<p>
-  <a href="https://www.npmjs.com/package/vue-schart"><img src="https://img.shields.io/npm/dm/vue-schart.svg" alt="Downloads"></a>
-  <a href="https://www.npmjs.com/package/vue-schart"><img src="https://img.shields.io/npm/v/vue-schart.svg" alt="Version"></a>
-  <a href="https://www.npmjs.com/package/vue-schart"><img src="https://img.shields.io/npm/l/vue-schart.svg" alt="License"></a>
-  <br>
-</p>
-
-Support vue.js 1.x & 2.x
+>  :bar_chart: Vue.js wrapper for sChart.js
+
+<p>
+  <a href="https://www.npmjs.com/package/vue-schart"><img src="https://img.shields.io/npm/dm/vue-schart.svg" alt="Downloads"></a>
+  <a href="https://www.npmjs.com/package/vue-schart"><img src="https://img.shields.io/npm/v/vue-schart.svg" alt="Version"></a>
+  <a href="https://www.npmjs.com/package/vue-schart"><img src="https://img.shields.io/npm/l/vue-schart.svg" alt="License"></a>
+  <br>
+</p>
+
+Support vue.js 1.x & 2.x
+
+[interactive demo](http://blog.gdfengshuo.com/example/#/vue-schart)
 
 ## Usage
 Install:
@@ -62,7 +64,6 @@ export default {
 Refer to [the documentation for sChart.js](http://open.omwteam.com/sChart/en.html).
 
 ## Demo
-[click here](http://open.omwteam.com/sChart/demo.html)
 
 ![demo](http://open.omwteam.com/sChart/static/img/demo.jpg)