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 b8d0b655..8a6965c2 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
@@ -910,7 +910,14 @@ public class WmsMaterialCoilServiceImpl implements IWmsMaterialCoilService {
 
         // 使用MyBatis-Plus的updateById方法直接更新
         boolean flag = baseMapper.updateById(updateCoil) > 0;
-        if (bo.getStatus().equals(1)) {
+        // 特殊处理saleId字段，确保null值也能被正确更新
+        if (bo.getSaleId() == null) {
+            LambdaUpdateWrapper<WmsMaterialCoil> updateWrapper = new LambdaUpdateWrapper<>();
+            updateWrapper.eq(WmsMaterialCoil::getCoilId, bo.getCoilId());
+            updateWrapper.set(WmsMaterialCoil::getSaleId, (Long)null);
+            baseMapper.update(null, updateWrapper);
+        }
+        if (bo.getStatus() != null && bo.getStatus().equals(1)) {
             WmsActualWarehouseBo disableWarehouseBo = new WmsActualWarehouseBo();
             disableWarehouseBo.setActualWarehouseId(oldCoil.getActualWarehouseId());
             disableWarehouseBo.setIsEnabled(1); // 设置为启用状态