fix(wms): 修复coil状态更新逻辑并处理saleId空值

- 调整状态判断条件，确保status非空再比较
- 新增对saleId为null时的特殊更新处理
- 使用LambdaUpdateWrapper确保null值正确更新到数据库

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