diff --git a/core/serializers/simple.py b/core/serializers/simple.py
index cf035b49..fe596f93 100644
--- a/core/serializers/simple.py
+++ b/core/serializers/simple.py
@@ -303,6 +303,7 @@ class OrderSimpleSerializer(ModelSerializer):
             "attributes",
             "status",
             "user",
+            "total_price",
             "promo_code",
             "order_products",
             "buy_time",