confirm order

www/protected/modules/o2o/controllers/OrderController.php

@@ -85,7 +85,7 @@ class  OrderController extends O2oBaseController{
 
                     $product_temp['product'] = $product_obj->_id;
                     $product_temp['count'] = $product['count'];
-                    $product_temp['extra'] = $extra;
+                    $product_temp['extra'] = $extra[0];
                     $product_list[] = $product_temp;
                     if($product_obj->is_extra == 0){
                         $service_type = $product_obj->type;