--- a/static/js/framework/collections.js	Sun Apr 05 02:51:05 2015 +0800
+++ b/static/js/framework/collections.js	Sun Apr 05 03:44:40 2015 +0800
@@ -1,7 +1,14 @@
-var Workspaces = Backbone.Collection.extend({
-    localStorage: new Backbone.LocalStorage('workspaces'),
-    model: Workspace
-});
+try {
+    var workspacesExtra = {
+        localStorage: new Backbone.LocalStorage('workspaces')
+    };
+} catch (e) {
+    var workspacesExtra = {
+        fetch: function() {},
+        create: function() {}
+    };
+}
+var Workspaces = Backbone.Collection.extend(_({model: Workspace}).extend(workspacesExtra));
 
 var Projects = Backbone.Collection.extend({
     model: Project