do product detail page add to cart feature

@@ -845,7 +845,7 @@ class HomeController extends AbstractAction
 
         $this->_view->display('order-detail', array(
             'orderDetailPage' => true,
-            'orderDetail' => OrderModel::orderDetail($orderCode, $this->_uid, $this->_session),
+            'orderDetail' => OrderModel::orderDetail($orderCode, $this->_uid, $this->_usession),
         ));
     }