diff --git a/lastleg-service/src/main/java/com/baiyue/lastleg/delivery/service/DeliveryTransferService.java b/lastleg-service/src/main/java/com/baiyue/lastleg/delivery/service/DeliveryTransferService.java
index 05f1940c5..793774c8b 100644
--- a/lastleg-service/src/main/java/com/baiyue/lastleg/delivery/service/DeliveryTransferService.java
+++ b/lastleg-service/src/main/java/com/baiyue/lastleg/delivery/service/DeliveryTransferService.java
@@ -1483,7 +1483,8 @@ public class DeliveryTransferService {
                 // Match receipt cargo semantics: stable first SKU carries the physical box once, never per piece.
                 for (var line : returnCartonItems.listCarton(carton.getId())) {
                     cargo.add(new DeliveryResponses.DeliverySku(item.getInboundCode(), delivery.getCustomerName(),
-                        carton.getDestinationWarehouseCode(), delivery.getDeliveryAddress(), null, null,
+                        relabelCarton ? item.getDestinationWarehouseCode() : carton.getDestinationWarehouseCode(),
+                        delivery.getDeliveryAddress(), null, null,
                         line.getSkuCode(), line.getProductNameZh(), !relabelCarton || firstSku ? 1 : 0,
                         relabelCarton && firstSku ? item.getGrossWeightKg() : null,
                         relabelCarton && firstSku ? item.getVolumeCbm() : null, line.getQuantity()));
diff --git a/lastleg-service/src/test/java/com/baiyue/lastleg/delivery/service/DeliveryTransferServiceTest.java b/lastleg-service/src/test/java/com/baiyue/lastleg/delivery/service/DeliveryTransferServiceTest.java
index 0d8e6a3d9..a632493aa 100644
--- a/lastleg-service/src/test/java/com/baiyue/lastleg/delivery/service/DeliveryTransferServiceTest.java
+++ b/lastleg-service/src/test/java/com/baiyue/lastleg/delivery/service/DeliveryTransferServiceTest.java
@@ -295,6 +295,7 @@ class DeliveryTransferServiceTest {
         outbound.setOverseasWarehouseId("WH-1"); outbound.setOutboundType("RETURN_OUTBOUND");
         OutboundPalletItem item = new OutboundPalletItem(); item.setCartonMarks("RC-1");
         ReturnInventoryCarton carton = returnCarton("RC-1", null); carton.setId(901L);
+        item.setDestinationWarehouseCode("OTHER-SNAPSHOT"); carton.setDestinationWarehouseCode("ORIGINAL-RETURN");
         ReturnInventoryCartonItem line = new ReturnInventoryCartonItem();
         line.setSkuCode("SKU-A"); line.setProductNameZh("测试品"); line.setQuantity(3L);
         when(deliveryOrders.findByNo("TENANT-A", "DL-501")).thenReturn(delivery);
@@ -309,6 +310,7 @@ class DeliveryTransferServiceTest {
         assertEquals("SKU-A", detail.skus().get(0).skuCode());
         assertEquals(3L, detail.skus().get(0).productQuantity());
         assertEquals(1, detail.skus().get(0).packageCount());
+        assertEquals("ORIGINAL-RETURN", detail.skus().get(0).destinationWarehouseCode());
     }
 
     @org.junit.jupiter.params.ParameterizedTest
@@ -321,14 +323,17 @@ class DeliveryTransferServiceTest {
         delivery.setStatus("WAIT_DELIVERY");
         OutboundOrder outbound = outbound(301L, null, null, "OUT-301", "relabel-1"); outbound.setOutboundType("RELABEL_OUTBOUND");
         OutboundPalletItem item = new OutboundPalletItem(); item.setCartonMarks("RC-1"); item.setDestinationWarehouseCode("ABE4");
+        OutboundPalletItem otherDestination = new OutboundPalletItem();
+        otherDestination.setCartonMarks("RC-OTHER"); otherDestination.setDestinationWarehouseCode("ONT8");
         if (measured) { item.setGrossWeightKg(BigDecimal.ONE); item.setVolumeCbm(new BigDecimal("0.008")); }
         ReturnInventoryCarton carton = returnCarton("RC-1", null); carton.setId(901L);
         carton.setWeight(new BigDecimal("99")); // Reading the current carton must not replace the frozen outbound measurement.
+        carton.setDestinationWarehouseCode(measured ? "CHANGED-AFTER-OUTBOUND" : null);
         var first = new ReturnInventoryCartonItem(); first.setSkuCode("SKU-A"); first.setQuantity(3L);
         var second = new ReturnInventoryCartonItem(); second.setSkuCode("SKU-B"); second.setQuantity(2L);
         when(deliveryOrders.findByNo("TENANT-A", "DL-501")).thenReturn(delivery);
         when(outboundOrders.selectById(301L)).thenReturn(outbound);
-        when(outboundPallets.findByOutbound("TENANT-A", 301L)).thenReturn(List.of(item));
+        when(outboundPallets.findByOutbound("TENANT-A", 301L)).thenReturn(List.of(item, otherDestination));
         when(returnCartons.findCustomerMark("TENANT-A", "RC-1")).thenReturn(carton);
         when(returnCartonItems.listCarton(901L)).thenReturn(List.of(first, second));
 
@@ -336,6 +341,8 @@ class DeliveryTransferServiceTest {
 
         assertEquals("客户快照", detail.order().customerName()); assertEquals("仓库快照", detail.order().overseasWarehouseName());
         assertEquals(2, detail.skus().size()); assertEquals(1, detail.skus().stream().mapToInt(row -> row.packageCount()).sum());
+        assertTrue(detail.skus().stream().allMatch(row -> "ABE4".equals(row.destinationWarehouseCode())));
+        verify(returnCartons, never()).findCustomerMark("TENANT-A", "RC-OTHER");
         assertEquals(5L, detail.skus().stream().mapToLong(row -> row.productQuantity()).sum());
         assertEquals(measured ? BigDecimal.ONE : null, detail.skus().get(0).weightKg());
         assertEquals(measured ? new BigDecimal("0.008") : null, detail.skus().get(0).volumeCbm());