diff --git a/pjcloud-supermarket/pjcloud-supermarket-biz/src/main/java/com/bsd/pjcloud/supermarket/service/impl/SmErpSpuServiceImpl.java b/pjcloud-supermarket/pjcloud-supermarket-biz/src/main/java/com/bsd/pjcloud/supermarket/service/impl/SmErpSpuServiceImpl.java
index 583dfbf12..20e899cfd 100644
--- a/pjcloud-supermarket/pjcloud-supermarket-biz/src/main/java/com/bsd/pjcloud/supermarket/service/impl/SmErpSpuServiceImpl.java
+++ b/pjcloud-supermarket/pjcloud-supermarket-biz/src/main/java/com/bsd/pjcloud/supermarket/service/impl/SmErpSpuServiceImpl.java
@@ -566,7 +566,8 @@ public class SmErpSpuServiceImpl extends ServiceImpl<SmErpSpuMapper, SmErpSpuEnt
                             ?smErpUnitEntity.getRetailPrice():smErpUnitEntity.getPromotionPrice());
             //使用 BigDecimal 避免浮点数精度问题
             //setScale(0, RoundingMode.HALF_UP) 确保四舍五入到整数
-            BigDecimal quantity = BigDecimal.valueOf(smErpInventoryRecordsItemEntity.getQuantity());
+            //注意：金额应该使用数量的绝对值计算，因为金额不应该是负数，出入库方向由OrderType区分
+            BigDecimal quantity = BigDecimal.valueOf(Math.abs(smErpInventoryRecordsItemEntity.getQuantity()));
             BigDecimal unitPrice = BigDecimal.valueOf(smErpInventoryRecordsItemEntity.getUnitPrice());
             BigDecimal totalAmount = quantity.multiply(unitPrice);
             smErpInventoryRecordsItemEntity.setTotalAmount(totalAmount.setScale(0, RoundingMode.HALF_UP).intValue());
@@ -651,10 +652,18 @@ public class SmErpSpuServiceImpl extends ServiceImpl<SmErpSpuMapper, SmErpSpuEnt
             smErpInventoryRecordsItemEntity.setUnitPrice
                     (smErpUnitEntity.getPromotionPrice()==null || smErpUnitEntity.getPromotionPrice()==0
                             ?smErpUnitEntity.getRetailPrice():smErpUnitEntity.getPromotionPrice());
+            //使用 BigDecimal 避免浮点数精度问题
+            //注意：金额应该使用数量的绝对值计算，因为金额不应该是负数，出入库方向由OrderType区分
+            BigDecimal quantity = BigDecimal.valueOf(Math.abs(smErpInventoryRecordsItemEntity.getQuantity()));
+            BigDecimal unitPrice = BigDecimal.valueOf(smErpInventoryRecordsItemEntity.getUnitPrice());
+            BigDecimal totalAmount = quantity.multiply(unitPrice);
+            smErpInventoryRecordsItemEntity.setTotalAmount(totalAmount.setScale(0, RoundingMode.HALF_UP).intValue());
             smErpInventoryRecordsItemEntityList.add(smErpInventoryRecordsItemEntity);
         }
         smErpStockService.updateStock(updateStockDTOS);
-        int sum = smErpInventoryRecordsItemEntityList.stream().map(smErpInventoryRecordsItemEntity -> smErpInventoryRecordsItemEntity.getUnitPrice()).mapToInt(Integer::intValue).sum();
+        int sum = smErpInventoryRecordsItemEntityList.stream()
+                .mapToInt(SmErpInventoryRecordsItemEntity::getTotalAmount)
+                .sum();
         smErpInventoryRecordsEntity.setTotalAmount(sum);
         smErpInventoryRecordsEntity.setReceiveAmount(sum);
         //生成出入库记录