fix: 会员价修改

src/main/java/com/chaozhanggui/system/cashierservice/controller/ProductController.java

@@ -132,7 +132,7 @@ public class ProductController {
         }
         HashMap<String, Object> data = new HashMap<>();
         data.put("amount", amount);
-        data.put("memberAmount", amount);
+        data.put("memberAmount", memberAmount);
         data.put("info", cashierCarts);
         return Result.success(CodeEnum.SUCCESS, data);
     }