diff --git a/pjcloud-hardware/pjcloud-hardware-api/src/main/java/com/bsd/pjcloud/hard/api/vo/order/HardCreateCardComputeVo.java b/pjcloud-hardware/pjcloud-hardware-api/src/main/java/com/bsd/pjcloud/hard/api/vo/order/HardCreateCardComputeVo.java
new file mode 100644
index 000000000..1e2b1f02b
--- /dev/null
+++ b/pjcloud-hardware/pjcloud-hardware-api/src/main/java/com/bsd/pjcloud/hard/api/vo/order/HardCreateCardComputeVo.java
@@ -0,0 +1,35 @@
+package com.bsd.pjcloud.hard.api.vo.order;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * 一次商品查询同时完成购物车落库、总价计算和商品描述的结果。
+ * <p>
+ * 用于收银下单路径合并原本 computerCarTotalPrice/createCard/computerCarSubject
+ * 三次重复的商品远程查询。
+ */
+@Data
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+public class HardCreateCardComputeVo {
+
+    /**
+     * 新建的父购物车 id
+     */
+    private Long parentCarId;
+
+    /**
+     * 按商品快照计算出的总价（分）
+     */
+    private Integer totalPrice;
+
+    /**
+     * 商品描述，如 "苹果x2;香蕉x0.5/kg;"
+     */
+    private String subject;
+
+}
diff --git a/pjcloud-hardware/pjcloud-hardware-biz/src/main/java/com/bsd/pjcloud/hard/service/HardCarService.java b/pjcloud-hardware/pjcloud-hardware-biz/src/main/java/com/bsd/pjcloud/hard/service/HardCarService.java
index 42e8e6dfc..5255951d8 100644
--- a/pjcloud-hardware/pjcloud-hardware-biz/src/main/java/com/bsd/pjcloud/hard/service/HardCarService.java
+++ b/pjcloud-hardware/pjcloud-hardware-biz/src/main/java/com/bsd/pjcloud/hard/service/HardCarService.java
@@ -10,6 +10,7 @@ import com.bsd.pjcloud.hard.api.dto.order.HardCreateCarDto;
 import com.bsd.pjcloud.hard.api.entity.order.HardCarEntity;
 import com.bsd.pjcloud.hard.api.entity.order.HardParentCarEntity;
 import com.bsd.pjcloud.hard.api.vo.order.HardCarVo;
+import com.bsd.pjcloud.hard.api.vo.order.HardCreateCardComputeVo;
 import com.bsd.pjcloud.thirdparty.dto.pay.PayDto;
 import jakarta.validation.constraints.NotEmpty;
 import jakarta.validation.constraints.NotNull;
@@ -40,6 +41,14 @@ public interface HardCarService extends IService<HardCarEntity> {
      */
     Long createCard(Long userId, Long merchantId, HardTypeEnum sysType, HardOrderTypeEnum orderTYpe, List<HardCreateCarDto> list);
 
+    /**
+     * 一次商品查询同时完成购物车落库、总价计算和商品描述拼装。
+     * <p>
+     * 仅覆盖收银下单路径（食堂线上/线下、超市线下）；其他业态组合返回 null，
+     * 调用方需回落到 computerCarTotalPrice + createCard + computerCarSubject 三段式调用。
+     */
+    HardCreateCardComputeVo createCardWithCompute(Long userId, Long merchantId, HardTypeEnum sysType, HardOrderTypeEnum orderType, List<HardCreateCarDto> list);
+
     /**
      * 创建第三方支付购物车
      */
diff --git a/pjcloud-hardware/pjcloud-hardware-biz/src/main/java/com/bsd/pjcloud/hard/service/impl/order/HardCarServiceImpl.java b/pjcloud-hardware/pjcloud-hardware-biz/src/main/java/com/bsd/pjcloud/hard/service/impl/order/HardCarServiceImpl.java
index fec153c34..112818622 100644
--- a/pjcloud-hardware/pjcloud-hardware-biz/src/main/java/com/bsd/pjcloud/hard/service/impl/order/HardCarServiceImpl.java
+++ b/pjcloud-hardware/pjcloud-hardware-biz/src/main/java/com/bsd/pjcloud/hard/service/impl/order/HardCarServiceImpl.java
@@ -24,6 +24,7 @@ import com.bsd.pjcloud.hard.api.entity.order.HardParentCarEntity;
 import com.bsd.pjcloud.hard.api.entity.order.HardOrderEntity;
 import com.bsd.pjcloud.hard.api.entity.spu.HardSpuEntity;
 import com.bsd.pjcloud.hard.api.vo.order.HardCarVo;
+import com.bsd.pjcloud.hard.api.vo.order.HardCreateCardComputeVo;
 import com.bsd.pjcloud.hard.mapper.order.HardCarMapper;
 import com.bsd.pjcloud.hard.mapper.order.HardOrderMapper;
 import com.bsd.pjcloud.hard.mapper.order.HardParentCarMapper;
@@ -288,6 +289,92 @@ public class HardCarServiceImpl extends ServiceImpl<HardCarMapper, HardCarEntity
         return parentCarObj.getId();
     }
 
+    /**
+     * 收银下单路径合并实现：一次商品查询同时产出购物车、总价和描述，
+     * 价格公式、落库字段、描述拼法均与 computerCarTotalPrice/appCreateCard/computerCarSubject 保持一致。
+     */
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public HardCreateCardComputeVo createCardWithCompute(Long userId, Long merchantId, HardTypeEnum sysType, HardOrderTypeEnum orderType, List<HardCreateCarDto> list) {
+        List<Long> productIds = list.stream().map(HardCreateCarDto::getProductId).toList();
+        List<HardCarEntity> carObjectList = new ArrayList<>();
+        StringBuffer subject = new StringBuffer();
+        AtomicInteger totalPrice = new AtomicInteger();
+        // 食堂
+        if (ObjectUtil.equals(sysType, HardTypeEnum.CANTEEN)) {
+            // 线上
+            if (ObjectUtil.equals(HardOrderTypeEnum.RESERVE, orderType)) {
+                List<CanteenOnlineSpuAppVO> supList = onlineCanteenSpuService.getSpuListByIds(productIds).getData();
+                for (HardCreateCarDto v : list) {
+                    supList.stream().filter(i -> ObjectUtil.equals(i.getId(), v.getProductId())).findFirst().ifPresent(spu -> {
+                        int itemTotalPrice = v.getProductCount() * spu.getPrice();
+                        totalPrice.addAndGet(itemTotalPrice);
+                        subject.append(spu.getName()).append("x").append(v.getProductCount()).append(";");
+                        carObjectList.add(HardCarEntity.builder().parentCarId(null).productId(spu.getId()).productName(spu.getName())
+                                .productPrice(spu.getPrice()).productPic(spu.getPicUrl()).totalPrice((long) itemTotalPrice)
+                                .productNature(ObjectUtil.isNotEmpty(v.getProductNature()) ? v.getProductNature().getType() : null)
+                                .productCount(v.getProductCount()).productWeight(new BigDecimal(0))
+                                .isDiscountsProduct(buildIsPriceIncreased(v)).build());
+                    });
+                }
+            }
+            // 线下
+            else if (ObjectUtil.equals(HardOrderTypeEnum.BELOW, orderType)) {
+                List<CanteenSpuEntity> supList = canteenSpuService.getSpuListByIds(productIds).getData();
+                for (HardCreateCarDto v : list) {
+                    supList.stream().filter(i -> ObjectUtil.equals(i.getId(), v.getProductId())).findFirst().ifPresent(spu -> {
+                        int itemTotalPrice = v.getProductCount() * spu.getPrice();
+                        totalPrice.addAndGet(itemTotalPrice);
+                        subject.append(spu.getName()).append("x").append(v.getProductCount()).append(";");
+                        carObjectList.add(HardCarEntity.builder().parentCarId(null).productId(spu.getId()).productName(spu.getName())
+                                .productPrice(spu.getPrice()).productPic(spu.getPicUrl()).totalPrice((long) itemTotalPrice)
+                                .productNature(ObjectUtil.isNotEmpty(v.getProductNature()) ? v.getProductNature().getType() : null)
+                                .productCount(v.getProductCount()).productWeight(new BigDecimal(0))
+                                .isDiscountsProduct(buildIsPriceIncreased(v)).build());
+                    });
+                }
+            } else {
+                return null;
+            }
+        }
+        // 超市
+        else if (ObjectUtil.equals(sysType, HardTypeEnum.SUPERMARKET) && ObjectUtil.equals(HardOrderTypeEnum.BELOW, orderType)) {
+            List<SmErpUnitWithSpuVo> supList = supermarketUnitSkuService.getSupermarketUnits(productIds).getData();
+            for (HardCreateCarDto v : list) {
+                supList.stream().filter(i -> ObjectUtil.equals(i.getId(), v.getProductId())).findFirst().ifPresent(spu -> {
+                    Integer price = getSupermarket(spu);
+                    int itemTotalPrice = 0;
+                    if (ObjectUtil.isNotEmpty(v.getProductCount()) && !ObjectUtil.equals(v.getProductCount(), 0)) {
+                        // 按数量
+                        itemTotalPrice = v.getProductCount() * price;
+                    } else if (ObjectUtil.isNotEmpty(v.getProductWeight()) && v.getProductWeight().compareTo(BigDecimal.valueOf(0)) != 0) {
+                        // 按重量,向上取整
+                        itemTotalPrice = v.getProductWeight().multiply(BigDecimal.valueOf(price)).setScale(0, RoundingMode.CEILING).intValue();
+                    }
+                    totalPrice.addAndGet(itemTotalPrice);
+                    subject.append(spu.getProductName()).append("x").append(v.getProductCount()).append(";");
+                    carObjectList.add(HardCarEntity.builder().parentCarId(null).productId(spu.getId()).productName(spu.getProductName())
+                            .productPrice(price).productPic(spu.getPicUrl()).totalPrice((long) itemTotalPrice)
+                            .productNature(ObjectUtil.isNotEmpty(v.getProductNature()) ? v.getProductNature().getType() : null)
+                            .productCount(v.getProductCount()).productWeight(v.getProductWeight())
+                            .isDiscountsProduct(buildIsPriceIncreased(v)).build());
+                });
+            }
+        } else {
+            return null;
+        }
+        // 创建父订单,状态与 createCard 保持一致
+        HardParentCarEntity parentCarObj = HardParentCarEntity.builder().userId(userId).merchantId(merchantId).hardType(sysType.getType()).orderStatus(HardOrderStatusEnum.PAY.getType()).build();
+        hardParentCarMapper.insert(parentCarObj);
+        carObjectList.forEach(item -> item.setParentCarId(parentCarObj.getId()));
+        baseMapper.insert(carObjectList);
+        return HardCreateCardComputeVo.builder().parentCarId(parentCarObj.getId()).totalPrice(totalPrice.get()).subject(subject.toString()).build();
+    }
+
+    private String buildIsPriceIncreased(HardCreateCarDto v) {
+        return ObjectUtil.isNotEmpty(v.getIsPriceIncreased()) && v.getIsPriceIncreased() ? YesNoEnum.YES.getCode() : YesNoEnum.NO.getCode();
+    }
+
     /**
      * 创建第三方支付购物车
      */
diff --git a/pjcloud-hardware/pjcloud-hardware-biz/src/main/java/com/bsd/pjcloud/hard/service/impl/order/HardOrderServiceImpl.java b/pjcloud-hardware/pjcloud-hardware-biz/src/main/java/com/bsd/pjcloud/hard/service/impl/order/HardOrderServiceImpl.java
index 0963988da..7d9737b13 100644
--- a/pjcloud-hardware/pjcloud-hardware-biz/src/main/java/com/bsd/pjcloud/hard/service/impl/order/HardOrderServiceImpl.java
+++ b/pjcloud-hardware/pjcloud-hardware-biz/src/main/java/com/bsd/pjcloud/hard/service/impl/order/HardOrderServiceImpl.java
@@ -62,6 +62,7 @@ import com.bsd.pjcloud.hard.api.entity.spu.HardSpuEntity;
 import com.bsd.pjcloud.hard.api.vo.HardDoorFlowVo;
 import com.bsd.pjcloud.hard.api.vo.manager.HardManagerVo;
 import com.bsd.pjcloud.hard.api.vo.order.HardCarVo;
+import com.bsd.pjcloud.hard.api.vo.order.HardCreateCardComputeVo;
 import com.bsd.pjcloud.hard.api.vo.order.HardCreateHardQrCodeScanOrderVo;
 import com.bsd.pjcloud.hard.api.vo.order.HardOrderVo;
 import com.bsd.pjcloud.hard.api.vo.spu.HardSpuJoinVo;
@@ -319,7 +320,21 @@ public class HardOrderServiceImpl extends ServiceImpl<HardOrderMapper, HardOrder
             if (isCancel) throw new RuntimeException("该二维码已被核销");
         }
         int totalPrice = 0, extraPrice = 0, payPrice = 0;
-        totalPrice = hardCarService.computerCarTotalPrice(dto.getSysType(), dto.getOrderType(), dto.getList());
+        // 收银主路径一次商品查询同时产出购物车、总价和描述，替代三次重复的商品远程查询
+        HardCreateCardComputeVo computed = hardCarService.createCardWithCompute(dto.getUserId(), dto.getMerchantId(), dto.getSysType(), dto.getOrderType(), dto.getList());
+        Long parentCarId;
+        String subject;
+        if (ObjectUtil.isNotEmpty(computed)) {
+            totalPrice = computed.getTotalPrice();
+            parentCarId = computed.getParentCarId();
+            subject = computed.getSubject();
+        } else {
+            totalPrice = hardCarService.computerCarTotalPrice(dto.getSysType(), dto.getOrderType(), dto.getList());
+            // 添加购物车
+            parentCarId = hardCarService.createCard(dto.getUserId(), dto.getMerchantId(), dto.getSysType(), dto.getOrderType(), dto.getList());
+            // 获取商品描述
+            subject = hardCarService.computerCarSubject(dto.getSysType(), dto.getOrderType(), dto.getList());
+        }
         if (isExtraPrice && ObjectUtil.isNotEmpty(dto.getExtraPrice())) {
             extraPrice = dto.getExtraPrice();
         }
@@ -330,10 +345,6 @@ public class HardOrderServiceImpl extends ServiceImpl<HardOrderMapper, HardOrder
             // 判断余额够不够支付
             if (wallet.getBalance() < payPrice) throw new RuntimeException("钱包余额不足");
         }
-        // 添加购物车
-        Long parentCarId = hardCarService.createCard(dto.getUserId(), dto.getMerchantId(), dto.getSysType(), dto.getOrderType(), dto.getList());
-        // 获取商品描述
-        String subject = hardCarService.computerCarSubject(dto.getSysType(), dto.getOrderType(), dto.getList());
         // 添加硬件订单
         HardOrderEntity orderObj = HardOrderEntity.builder()
                 .androidOrderCode(dto.getAndroidOrderCode())
@@ -425,17 +436,27 @@ public class HardOrderServiceImpl extends ServiceImpl<HardOrderMapper, HardOrder
         if (ObjectUtil.notEqual(mch.getTypes(), MerchantTypeEnum.SELF_SUPERMARKET.getType())) {
             throw new RuntimeException("该订单不是设备扫一扫订单");
         }
-        // 添加购物车
-        Long parentCarId = hardCarService.createCard(dto.getUserId(), dto.getMerchantId(), dto.getSysType(), dto.getOrderType(), dto.getList());
-        // 获取商品描述
-        String subject = hardCarService.computerCarSubject(dto.getSysType(), dto.getOrderType(), dto.getList());
+        // 一次商品查询同时产出购物车、总价和描述；扫一扫订单固定为超市线下路径
+        int totalPrice = 0, extraPrice = 0, payPrice = 0;
+        Long parentCarId;
+        String subject;
+        HardCreateCardComputeVo computed = hardCarService.createCardWithCompute(dto.getUserId(), dto.getMerchantId(), dto.getSysType(), dto.getOrderType(), dto.getList());
+        if (ObjectUtil.isNotEmpty(computed)) {
+            totalPrice = computed.getTotalPrice();
+            parentCarId = computed.getParentCarId();
+            subject = computed.getSubject();
+        } else {
+            // 添加购物车
+            parentCarId = hardCarService.createCard(dto.getUserId(), dto.getMerchantId(), dto.getSysType(), dto.getOrderType(), dto.getList());
+            // 获取商品描述
+            subject = hardCarService.computerCarSubject(dto.getSysType(), dto.getOrderType(), dto.getList());
+            totalPrice = hardCarService.computerCarTotalPrice(dto.getSysType(), dto.getOrderType(), dto.getList());
+        }
 
         // 是否需要支付额外金额
         boolean isExtraPrice = isExtraPrice(dto.getSysType());
 
         SysUser sysUser = null;
-        int totalPrice = 0, extraPrice = 0, payPrice = 0;
-        totalPrice = hardCarService.computerCarTotalPrice(dto.getSysType(), dto.getOrderType(), dto.getList());
         if (isExtraPrice) extraPrice = computeExtraPrice(totalPrice, mch, sysUser);
         payPrice = totalPrice + extraPrice;
 
@@ -1981,7 +2002,8 @@ public class HardOrderServiceImpl extends ServiceImpl<HardOrderMapper, HardOrder
         if (ObjectUtil.isEmpty(mch.getData())) {
             throw new RuntimeException("商户不存在");
         }
-        HardManagerEntity hard = hardManagerService.getByHardId(dto.getHardwareId());
+        // 此处只取 deptId，按主键直查即可；getByHardId 还会联查部门和商户两次远程调用
+        HardManagerEntity hard = hardManagerService.getById(dto.getHardwareId());
         if (ObjectUtil.isEmpty(hard)) {
             throw new RuntimeException("设备不存在");
         }