fix bug

Author: HC-teemo

dist/examples/example1.html

@@ -63,7 +63,7 @@
     <script type="text/javascript">
         igraph.i18n.setLanguage("chs");
         var app = new igraph.GraphNavigator(document.getElementById('graphArea'), 'LIGHT');
-        app.loadGson("honglou2.json", {
+        app.loadGson("honglou.json", {
             "onGetNodeDescription": function (node) {
                 var description = "<p align=center>";
                 if (node.image !== undefined) {
@@ -85,4 +85,4 @@
     </script>
 </body>
 
-</html>
+</html>