diff --git a/pjcloud-hardware/pjcloud-hardware-biz/src/test/java/com/bsd/pjcloud/hard/service/impl/order/HardOrderServiceImplInventoryTest.java b/pjcloud-hardware/pjcloud-hardware-biz/src/test/java/com/bsd/pjcloud/hard/service/impl/order/HardOrderServiceImplInventoryTest.java
index 340bc5802..cd865a940 100644
--- a/pjcloud-hardware/pjcloud-hardware-biz/src/test/java/com/bsd/pjcloud/hard/service/impl/order/HardOrderServiceImplInventoryTest.java
+++ b/pjcloud-hardware/pjcloud-hardware-biz/src/test/java/com/bsd/pjcloud/hard/service/impl/order/HardOrderServiceImplInventoryTest.java
@@ -27,6 +27,7 @@ import java.util.List;
 
 import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.mockito.Answers.CALLS_REAL_METHODS;
 import static org.mockito.ArgumentMatchers.any;
@@ -186,6 +187,28 @@ class HardOrderServiceImplInventoryTest {
         assertEquals(-2, request.getItems().get(0).getIncrCount());
     }
 
+    /**
+     * 验证设备购买链路（/hard-api/ad/create-order 产生的 BELOW+CANTEEN_SPU 购物车）扣基础 canteen_spu.stock：
+     * 请求不携带每日菜谱分池通道，也不查询每日菜谱接口——每日菜谱页面的线上/线下剩余不会变化。
+     */
+    @Test
+    void deviceCreateOrderDeductsBasicSpuStockWithoutDailyMenuPools() {
+        prepareCart(1);
+        CanteenSpuEntity product = productWithStock(9996);
+        when(remoteCanteenSpuService.getInnerSpuListByIds(List.of(11L))).thenReturn(R.ok(List.of(product)));
+        when(remoteCanteenSpuService.updateSkuStockIdempotent(any())).thenReturn(R.ok());
+
+        assertDoesNotThrow(() -> service.fastenerInventory(cashierOrder(), null, YesNoEnum.YES, null, null));
+
+        ArgumentCaptor<CanteenSpuUpdateStockReqDTO> captor = ArgumentCaptor.forClass(CanteenSpuUpdateStockReqDTO.class);
+        verify(remoteCanteenSpuService).updateSkuStockIdempotent(captor.capture());
+        CanteenSpuUpdateStockReqDTO request = captor.getValue();
+        assertNull(request.getStockChannel());
+        assertEquals(-1, request.getItems().get(0).getIncrCount());
+        verify(remoteDailyMenuService, never()).listForOrderValidate(any(), any(), any());
+        verify(remoteDailyMenuService, never()).getCanteenList(any(), any(), any(), any());
+    }
+
     /**
      * 验证线上预定每日菜谱订单退款恢复 ONLINE 池：下单扣的是 online_sold，退款必须还同一池，
      * 快照取线上剩余并携带日期餐段。