diff --git a/mhd_wms/src/main/java/com/mhd/wms/domain/handoverTaskOrder/service/HandoverTaskOrderDomainService.java b/mhd_wms/src/main/java/com/mhd/wms/domain/handoverTaskOrder/service/HandoverTaskOrderDomainService.java
index 08eaf146a..c7ef7ca8e 100644
--- a/mhd_wms/src/main/java/com/mhd/wms/domain/handoverTaskOrder/service/HandoverTaskOrderDomainService.java
+++ b/mhd_wms/src/main/java/com/mhd/wms/domain/handoverTaskOrder/service/HandoverTaskOrderDomainService.java
@@ -206,10 +206,18 @@ public class HandoverTaskOrderDomainService {
                     BigDecimal newFreezeQuantity = oldFreezeQuantity.subtract(checkQuantity);
 
 
+
                     BigDecimal oldArea = materialInventoryPO.getArea();
                     BigDecimal oldVolume = materialInventoryPO.getVolume();
                     BigDecimal oldGrossWeight = materialInventoryPO.getGrossWeight();
                     BigDecimal oldNetWeight = materialInventoryPO.getNetWeight();
+                    
+                    // 初始化旧数据，避免空指针
+                    oldArea = oldArea != null ? oldArea : BigDecimal.ZERO;
+                    oldVolume = oldVolume != null ? oldVolume : BigDecimal.ZERO;
+                    oldGrossWeight = oldGrossWeight != null ? oldGrossWeight : BigDecimal.ZERO;
+                    oldNetWeight = oldNetWeight != null ? oldNetWeight : BigDecimal.ZERO;
+                    
                     BigDecimal newArea = oldArea.subtract(checkArea);
                     BigDecimal newVolume = oldVolume.subtract(checkVolume);
                     BigDecimal newGrossWeight = oldGrossWeight.subtract(checkGrossWeight);