update

src/core/3.ob.js

@@ -64,11 +64,10 @@
             if (this.options.listeners != null) {
                 _.each(this.options.listeners, function (lis, eventName) {
                     if (_.isFunction(lis)) {
-                        self.on(eventName, _.bind(lis, self));
+                        self.on(eventName, lis);
                         return;
                     }
-                    (lis.target ? lis.target : self)[lis.once ? "once" : "on"]
-                    (lis.eventName, _.bind(lis.action, self));
+                    (lis.target ? lis.target : self)[lis.once ? "once" : "on"](lis.eventName, lis.action);
                 });
                 delete this.options.listeners;
             }