diff --git a/eladmin-system/src/main/java/cn/ysk/cashier/service/impl/shopimpl/TbShopTableServiceImpl.java b/eladmin-system/src/main/java/cn/ysk/cashier/service/impl/shopimpl/TbShopTableServiceImpl.java
index 5dfa742e..bfd12f27 100644
--- a/eladmin-system/src/main/java/cn/ysk/cashier/service/impl/shopimpl/TbShopTableServiceImpl.java
+++ b/eladmin-system/src/main/java/cn/ysk/cashier/service/impl/shopimpl/TbShopTableServiceImpl.java
@@ -2961,6 +2961,11 @@ public class TbShopTableServiceImpl implements TbShopTableService {
         if (orderDetail.getNum().compareTo(returnNum) == 0) {
             return orderDetail.getCanReturnAmount();
         }
+        if (returnNum.compareTo(BigDecimal.ONE) == 0 &&
+                orderDetail.getNum().compareTo(BigDecimal.ONE) > 0 &&
+                orderDetail.getCanReturnAmount().compareTo(new BigDecimal("0.01")) <= 0) {
+            throw new BadRequestException(orderDetail.getProductName() + "总金额为0.01，请选择全部商品数量退回");
+        }
         return orderDetail.getCanReturnAmount().divide(orderDetail.getNum(), 10, RoundingMode.HALF_DOWN).multiply(returnNum).setScale(2, RoundingMode.HALF_DOWN);
     }