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 cdaeff41..d5e847ba 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
@@ -1108,6 +1108,13 @@ public class WmsMaterialCoilServiceImpl implements IWmsMaterialCoilService {
             validateActualWarehouseForAssign(bo.getActualWarehouseId(), ignoreOccupiedId);
         }
 
+        // 1. 历史钢卷（dataType=0）禁止修改实际库区（actualWarehouseId非空且不等于-1）
+        if (0 == oldCoil.getDataType()) { // 原钢卷是历史钢卷
+            // 场景1：传入了新的实际库区ID，且不是置空（-1），禁止操作
+            if (bo.getActualWarehouseId() != null && !bo.getActualWarehouseId().equals(-1L)) {
+                throw new RuntimeException("历史钢卷不允许占用实际库区!");
+            }
+        }
         // 直接更新钢卷属性
         WmsMaterialCoil updateCoil = BeanUtil.toBean(bo, WmsMaterialCoil.class);
         validEntityBeforeSave(updateCoil);