diff --git a/app/store/lists/cart/CartList.php b/app/store/lists/cart/CartList.php
index 394edfc7c..83f7939f2 100644
--- a/app/store/lists/cart/CartList.php
+++ b/app/store/lists/cart/CartList.php
@@ -121,8 +121,8 @@ class CartList extends BaseAdminDataLists implements ListsSearchInterface, Lists
         ];
         if ($this->off_activity == 1) {
             $data['pay_price'] = $this->activity_price;
-            if ($this->total_price < 500) {
-                $data['msg'] = '还差' . bcsub(500, $this->total_price, 2) . '元可获得10%品牌礼品券';
+            if ($this->activity_price < 500) {
+                $data['msg'] = '还差' . bcsub(500, $this->activity_price, 2) . '元可获得10%品牌礼品券';
                 $data['pay_price'] = $this->activity_price;
             }
         }