diff --git a/firstleg/src/main/java/com/baiyue/firstleg/service/LoadingPickService.java b/firstleg/src/main/java/com/baiyue/firstleg/service/LoadingPickService.java
index b5b15dd8a..d302fc846 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/service/LoadingPickService.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/service/LoadingPickService.java
@@ -1054,7 +1054,10 @@ public class LoadingPickService {
         return repository.inboundOwners(taskId).stream().collect(Collectors.toMap(
             LoadingPickItemMapper.InboundOwner::inboundId,
             LoadingPickItemMapper.InboundOwner::tenantId,
-            (left, right) -> left));
+            (left, right) -> {
+                if (!Objects.equals(left, right)) throw conflict("PDA任务入库单客户归属冲突");
+                return left;
+            }));
     }
 
     private Map<Long, List<InventoryResource>> inventoryByInbound(long warehouseId,