diff --git a/klp-wms/src/main/java/com/klp/service/impl/WmsMaterialCoilServiceImpl.java b/klp-wms/src/main/java/com/klp/service/impl/WmsMaterialCoilServiceImpl.java
index eb946d68..925a44ad 100644
--- a/klp-wms/src/main/java/com/klp/service/impl/WmsMaterialCoilServiceImpl.java
+++ b/klp-wms/src/main/java/com/klp/service/impl/WmsMaterialCoilServiceImpl.java
@@ -829,6 +829,10 @@ public class WmsMaterialCoilServiceImpl implements IWmsMaterialCoilService {
         // 2. 查找或创建stock
         findOrCreateStock(bo);
 
+        // 处理实际库区：-1 表示空置库，统一转 NULL
+        if (bo.getActualWarehouseId() != null && bo.getActualWarehouseId() == -1) {
+            bo.setActualWarehouseId(null);
+        }
         // 3. 插入钢卷数据
         WmsMaterialCoil add = BeanUtil.toBean(bo, WmsMaterialCoil.class);
         if(bo.getDataType() != null && bo.getDataType() == 10){