diff --git a/pjcloud-hardware/pjcloud-hardware-api/src/main/java/com/bsd/pjcloud/hard/api/constant/order/HardCanteenReservationDateBasisEnum.java b/pjcloud-hardware/pjcloud-hardware-api/src/main/java/com/bsd/pjcloud/hard/api/constant/order/HardCanteenReservationDateBasisEnum.java
new file mode 100644
index 00000000..8faa27ff
--- /dev/null
+++ b/pjcloud-hardware/pjcloud-hardware-api/src/main/java/com/bsd/pjcloud/hard/api/constant/order/HardCanteenReservationDateBasisEnum.java
@@ -0,0 +1,14 @@
+package com.bsd.pjcloud.hard.api.constant.order;
+
+/**
+ * 食堂销售统计中已核销预约的日期归属口径，仅用于查询协议，不持久化到订单表。
+ * 线下购买始终按支付时间统计，不受此枚举影响。
+ */
+public enum HardCanteenReservationDateBasisEnum {
+
+    /** 按实际核销时间统计；未传口径或显式传空时沿用此历史行为。 */
+    VERIFICATION_TIME,
+
+    /** 仅保留已核销订单，按预约用餐日期统计；预约日期为空时不计入。 */
+    APPT_USE_DATE
+}
diff --git a/pjcloud-hardware/pjcloud-hardware-api/src/main/java/com/bsd/pjcloud/hard/api/constant/order/HardSaleSourceEnum.java b/pjcloud-hardware/pjcloud-hardware-api/src/main/java/com/bsd/pjcloud/hard/api/constant/order/HardSaleSourceEnum.java
index 293faed0..b378b3bb 100644
--- a/pjcloud-hardware/pjcloud-hardware-api/src/main/java/com/bsd/pjcloud/hard/api/constant/order/HardSaleSourceEnum.java
+++ b/pjcloud-hardware/pjcloud-hardware-api/src/main/java/com/bsd/pjcloud/hard/api/constant/order/HardSaleSourceEnum.java
@@ -16,7 +16,7 @@ public enum HardSaleSourceEnum {
     /** 订单类型 1 的线下购买，统计时间取订单支付时间。 */
     OFFLINE_PURCHASE("OFFLINE_PURCHASE", "线下购买"),
 
-    /** 订单类型 2 且已完成核销的预约，统计时间取订单核销时间。 */
+    /** 订单类型 2 且已完成核销的预约；默认按核销时间统计，也可由查询口径指定预约用餐日期。 */
     RESERVATION_VERIFIED("RESERVATION_VERIFIED", "预约核销");
 
     /** 统计接口和前端标签页使用的来源编码。 */
diff --git a/pjcloud-hardware/pjcloud-hardware-api/src/main/java/com/bsd/pjcloud/hard/api/dto/order/HardCarDto.java b/pjcloud-hardware/pjcloud-hardware-api/src/main/java/com/bsd/pjcloud/hard/api/dto/order/HardCarDto.java
index 37a48164..046949a7 100644
--- a/pjcloud-hardware/pjcloud-hardware-api/src/main/java/com/bsd/pjcloud/hard/api/dto/order/HardCarDto.java
+++ b/pjcloud-hardware/pjcloud-hardware-api/src/main/java/com/bsd/pjcloud/hard/api/dto/order/HardCarDto.java
@@ -2,6 +2,7 @@ package com.bsd.pjcloud.hard.api.dto.order;
 
 import com.bsd.pjcloud.admin.api.vo.base.BaseIsDeepDeptTreeInterface;
 import com.bsd.pjcloud.admin.api.vo.base.BaseIsIncludeTreeInterface;
+import com.bsd.pjcloud.hard.api.constant.order.HardCanteenReservationDateBasisEnum;
 import com.bsd.pjcloud.hard.api.entity.order.HardCarEntity;
 import lombok.Data;
 
@@ -37,9 +38,12 @@ public class HardCarDto extends HardCarEntity implements BaseIsIncludeTreeInterf
     /** 预计使用日期范围。 */
     private LocalDateTime[] apptUseDateTimeList;
 
-    /** 菜品销售统计日期范围，线下按支付时间、预约按核销时间过滤；不落库。 */
+    /** 菜品销售统计日期闭区间，线下按支付时间、已核销预约按 reservationDateBasis 选择的日期过滤，不落库。 */
     private LocalDateTime[] statisticsDateTimeList;
 
+    /** 已核销预约的统计日期归属；默认或空值按核销时间，APPT_USE_DATE 按预约用餐日期，不落库。 */
+    private HardCanteenReservationDateBasisEnum reservationDateBasis = HardCanteenReservationDateBasisEnum.VERIFICATION_TIME;
+
     /** 菜品销售统计来源编码集合，取值来自 HardSaleSourceEnum；为空表示全部来源。 */
     private List<String> saleSourceCodes;
 
diff --git a/pjcloud-hardware/pjcloud-hardware-api/src/main/java/com/bsd/pjcloud/hard/api/dto/order/HardOrderDto.java b/pjcloud-hardware/pjcloud-hardware-api/src/main/java/com/bsd/pjcloud/hard/api/dto/order/HardOrderDto.java
index f978819f..743d5f18 100644
--- a/pjcloud-hardware/pjcloud-hardware-api/src/main/java/com/bsd/pjcloud/hard/api/dto/order/HardOrderDto.java
+++ b/pjcloud-hardware/pjcloud-hardware-api/src/main/java/com/bsd/pjcloud/hard/api/dto/order/HardOrderDto.java
@@ -5,6 +5,7 @@ import com.bsd.pjcloud.admin.api.vo.base.BaseUserIdentityQueryInterface;
 import com.bsd.pjcloud.admin.api.dto.user.SysUserStudentDto;
 import com.bsd.pjcloud.admin.api.dto.user.SysUserTeacherDto;
 import com.bsd.pjcloud.common.core.constant.enums.DateRangeTypeEnum;
+import com.bsd.pjcloud.hard.api.constant.order.HardCanteenReservationDateBasisEnum;
 import com.bsd.pjcloud.hard.api.entity.order.HardOrderEntity;
 import lombok.Data;
 
@@ -54,10 +55,13 @@ public class HardOrderDto extends HardOrderEntity implements BaseIsIncludeTreeIn
     private LocalDateTime[] payTimeList;
 
     /**
-     * 食堂销售统计日期范围，线下来源按支付时间、预约来源按核销时间过滤；不落库。
+     * 食堂销售统计日期闭区间；线下按支付时间，已核销预约按 reservationDateBasis 选择的日期过滤，不落库。
      */
     private LocalDateTime[] statisticsDateTimeList;
 
+    /** 已核销预约的统计日期归属；默认或空值按核销时间，APPT_USE_DATE 按预约用餐日期，不落库。 */
+    private HardCanteenReservationDateBasisEnum reservationDateBasis = HardCanteenReservationDateBasisEnum.VERIFICATION_TIME;
+
     /**
      * 食堂销售统计来源编码集合，取值来自 HardSaleSourceEnum；为空表示同时查询两种来源。
      */
diff --git a/pjcloud-hardware/pjcloud-hardware-biz/src/main/java/com/bsd/pjcloud/hard/service/impl/order/HardCanteenTotalServiceImpl.java b/pjcloud-hardware/pjcloud-hardware-biz/src/main/java/com/bsd/pjcloud/hard/service/impl/order/HardCanteenTotalServiceImpl.java
index aa750f30..148377ab 100644
--- a/pjcloud-hardware/pjcloud-hardware-biz/src/main/java/com/bsd/pjcloud/hard/service/impl/order/HardCanteenTotalServiceImpl.java
+++ b/pjcloud-hardware/pjcloud-hardware-biz/src/main/java/com/bsd/pjcloud/hard/service/impl/order/HardCanteenTotalServiceImpl.java
@@ -32,6 +32,7 @@ import com.bsd.pjcloud.common.excel.stream.BatchExcelExportTemplate;
 import com.bsd.pjcloud.common.security.service.PjcloudUser;
 import com.bsd.pjcloud.common.security.util.SecurityUtils;
 import com.bsd.pjcloud.hard.api.constant.order.HardCanteenStatisticsLevelEnum;
+import com.bsd.pjcloud.hard.api.constant.order.HardCanteenReservationDateBasisEnum;
 import com.bsd.pjcloud.hard.api.constant.order.HardOrderStatusEnum;
 import com.bsd.pjcloud.hard.api.constant.order.HardSaleSourceEnum;
 import com.bsd.pjcloud.hard.api.constant.total.DateRangeTypeEnum;
@@ -124,6 +125,9 @@ public class HardCanteenTotalServiceImpl implements HardCanteenTotalService {
      */
     private static final String DEPARTMENT_SALES_EXPORT_TASK_NAME = "食堂菜品部门统计导出";
 
+    /** 预约用餐日口径的导出文件前缀及任务展示名称，避免与核销日口径的文件混淆。 */
+    private static final String DINING_DATE_EXPORT_NAME = "食堂用餐日期统计";
+
     /**
      * 异步导出提交时使用的占位总数，后台开始后会替换为实际日期批次数。
      */
@@ -773,15 +777,17 @@ public class HardCanteenTotalServiceImpl implements HardCanteenTotalService {
     }
 
     /**
-     * 提交部门统计异步分批导出任务。
+     * 提交部门统计异步分批导出任务；预约用餐日口径使用独立的展示名称和文件前缀。
      *
-     * @param dto 页面当前的统计日期、来源、餐段、食堂和部门筛选条件
+     * @param dto 页面当前的统计日期、预约日期口径、来源、餐段、食堂和部门筛选条件
      * @return 可供页面轮询的初始任务进度
      */
     @Override
     public AsyncTaskProgressVO submitDepartmentSalesExport(HardOrderDto dto) {
-        return submitSalesExport(dto, DEPARTMENT_SALES_EXPORT_REDIS_KEY, DEPARTMENT_SALES_EXPORT_TASK_NAME,
-                "食堂菜品部门统计", DEPARTMENT_SALES_EXPORT_FILE_TYPE);
+        boolean diningDateBasis = dto != null && dto.getReservationDateBasis() == HardCanteenReservationDateBasisEnum.APPT_USE_DATE;
+        return submitSalesExport(dto, DEPARTMENT_SALES_EXPORT_REDIS_KEY,
+                diningDateBasis ? DINING_DATE_EXPORT_NAME + "导出" : DEPARTMENT_SALES_EXPORT_TASK_NAME,
+                diningDateBasis ? DINING_DATE_EXPORT_NAME : "食堂菜品部门统计", DEPARTMENT_SALES_EXPORT_FILE_TYPE);
     }
 
     /**
diff --git a/pjcloud-hardware/pjcloud-hardware-biz/src/main/resources/mapper/order/HardCarMapper.xml b/pjcloud-hardware/pjcloud-hardware-biz/src/main/resources/mapper/order/HardCarMapper.xml
index 754e6067..c2d7cf8e 100644
--- a/pjcloud-hardware/pjcloud-hardware-biz/src/main/resources/mapper/order/HardCarMapper.xml
+++ b/pjcloud-hardware/pjcloud-hardware-biz/src/main/resources/mapper/order/HardCarMapper.xml
@@ -119,7 +119,7 @@
     </sql>
 
     <!--
-        来源分支可以安全下推的公共订单筛选。日期条件在各分支分别使用支付时间或核销时间，外层仍保留
+        来源分支可以安全下推的公共订单筛选。日期条件在各分支使用支付时间及所选预约日期口径，外层仍保留
         同一组条件作为契约保护；这里先缩小订单和购物车连接范围，避免大日期表在派生表中无条件聚合。
     -->
     <sql id="canteenSaleSourceOrderPushdownWhere">
@@ -176,8 +176,16 @@
         </if>
     </sql>
 
+    <!-- 日期列仅从固定枚举分支选择，投影、退款范围和商品范围共用同一依据，避免提前核销漏扣退款。 -->
+    <sql id="canteenSaleReservationStatisticsTime">
+        <choose>
+            <when test="dto.reservationDateBasis != null and dto.reservationDateBasis.name() == 'APPT_USE_DATE'">o.appt_use_date</when>
+            <otherwise>o.verification_time</otherwise>
+        </choose>
+    </sql>
+
     <!--
-        预约退款只聚合当前核销统计范围内订单涉及的父购物车，避免每次统计都扫描并汇总全部历史售后。
+        预约退款只聚合当前统计日期口径范围内订单涉及的父购物车，避免每次统计都扫描并汇总全部历史售后。
         商品名称条件不在此应用，退款最终仍按父购物车和商品主键精确关联到已筛选的原购物车行。
     -->
     <sql id="canteenSaleReservationRefundTotals">
@@ -196,7 +204,7 @@
                 and o.hour_type is not null and o.hour_type not in ('-1')
             where refund_item.del_flag = '0'
               <if test="dto.statisticsDateTimeList != null and dto.statisticsDateTimeList.length == 2">
-                  and o.verification_time between #{dto.statisticsDateTimeList[0]} and #{dto.statisticsDateTimeList[1]}
+                  and <include refid="canteenSaleReservationStatisticsTime"/> between #{dto.statisticsDateTimeList[0]} and #{dto.statisticsDateTimeList[1]}
               </if>
               <include refid="canteenSaleSourceOrderPushdownWhere"/>
             group by refund_item.parent_car_id, refund_item.product_id
@@ -204,7 +212,7 @@
     </sql>
 
     <!--
-        新版食堂销售统计按业务发生时间拆分来源：线下订单使用支付时间，预约订单只使用已核销订单的核销时间。
+        新版食堂销售统计按日期归属拆分来源：线下使用支付时间，已核销预约默认用核销时间，也可按预约用餐日期。
         单来源查询只生成对应分支；预约分支先按已核销订单过滤再聚合购物车并扣减退款，避免全量购物车聚合。
     -->
     <sql id="canteenSaleStatsSource">
@@ -242,8 +250,8 @@
             union all
             </if>
             <if test="dto.saleSourceCodes == null or dto.saleSourceCodes.size() == 0 or dto.saleSourceCodes.contains('RESERVATION_VERIFIED')">
-            select DATE_FORMAT(o.verification_time, '%Y-%m-%d') as stat_date,
-                   o.verification_time as stat_time,
+            select DATE_FORMAT(<include refid="canteenSaleReservationStatisticsTime"/>, '%Y-%m-%d') as stat_date,
+                   <include refid="canteenSaleReservationStatisticsTime"/> as stat_time,
                    o.id as order_id,
                    o.user_id,
                    o.merchant_id as mch_id,
@@ -271,18 +279,18 @@
                 and refund_car.product_id = a.product_id
             where a.del_flag = '0'
               <if test="dto.statisticsDateTimeList != null and dto.statisticsDateTimeList.length == 2">
-                  and o.verification_time between #{dto.statisticsDateTimeList[0]} and #{dto.statisticsDateTimeList[1]}
+                  and <include refid="canteenSaleReservationStatisticsTime"/> between #{dto.statisticsDateTimeList[0]} and #{dto.statisticsDateTimeList[1]}
               </if>
               <include refid="canteenSaleSourceOrderPushdownWhere"/>
               <include refid="canteenSaleSourceProductPushdownWhere"/>
             group by o.id, o.user_id, o.merchant_id, o.user_dept_id, o.dept_id, o.merchant_dept_id,
-                     o.hour_type, o.verification_time, a.product_id, refund_car.product_count, refund_car.total_price
+                     o.hour_type, <include refid="canteenSaleReservationStatisticsTime"/>, a.product_id, refund_car.product_count, refund_car.total_price
             having sum(ifnull(a.product_count, 0)) > ifnull(refund_car.product_count, 0)
             </if>
         </trim>
     </sql>
 
-    <!-- 新版统计统一在来源子查询外应用筛选，保证支付时间和核销时间使用同一日期控件。 -->
+    <!-- 新版统计统一在来源子查询外应用筛选，保证支付时间和所选预约日期口径使用同一日期控件。 -->
     <sql id="canteenSaleStatsWhere">
         <if test="dto.statisticsDateTimeList != null and dto.statisticsDateTimeList.length == 2">
             and sale_stats.stat_time between #{dto.statisticsDateTimeList[0]} and #{dto.statisticsDateTimeList[1]}
diff --git a/pjcloud-hardware/pjcloud-hardware-biz/src/main/resources/mapper/order/HardOrderMapper.xml b/pjcloud-hardware/pjcloud-hardware-biz/src/main/resources/mapper/order/HardOrderMapper.xml
index b2dd6283..df3ce235 100644
--- a/pjcloud-hardware/pjcloud-hardware-biz/src/main/resources/mapper/order/HardOrderMapper.xml
+++ b/pjcloud-hardware/pjcloud-hardware-biz/src/main/resources/mapper/order/HardOrderMapper.xml
@@ -287,7 +287,7 @@
             </foreach>
             or a.refund_status is null)
         </if>
-        <!-- 统计人员明细必须按业务发生时间筛选：线下按支付时间，预约仅按已核销时间。 -->
+        <!-- 统计人员明细继承汇总口径：线下按支付时间，已核销预约按所选的核销时间或预约用餐日期。 -->
         <if test="dto.statisticsDateTimeList != null and dto.statisticsDateTimeList.length == 2">
             and
             <choose>
@@ -302,7 +302,7 @@
                         and (a.appt_id is not null or a.appt_rule_id is not null)
                         and a.order_status = '20'
                         and a.verification_time is not null
-                        and a.verification_time between #{dto.statisticsDateTimeList[0]} and #{dto.statisticsDateTimeList[1]}
+                        and <include refid="canteenSaleReservationStatisticsTime"/> between #{dto.statisticsDateTimeList[0]} and #{dto.statisticsDateTimeList[1]}
                     )
                 </when>
                 <otherwise>
@@ -314,13 +314,21 @@
                             and (a.appt_id is not null or a.appt_rule_id is not null)
                             and a.order_status = '20'
                             and a.verification_time is not null
-                            and a.verification_time between #{dto.statisticsDateTimeList[0]} and #{dto.statisticsDateTimeList[1]})
+                            and <include refid="canteenSaleReservationStatisticsTime"/> between #{dto.statisticsDateTimeList[0]} and #{dto.statisticsDateTimeList[1]})
                     )
                 </otherwise>
             </choose>
         </if>
     </sql>
 
+    <!-- 明细查询使用订单别名 a；与购物车统计保持相同的固定日期口径分支，不拼接外部列名。 -->
+    <sql id="canteenSaleReservationStatisticsTime">
+        <choose>
+            <when test="dto.reservationDateBasis != null and dto.reservationDateBasis.name() == 'APPT_USE_DATE'">a.appt_use_date</when>
+            <otherwise>a.verification_time</otherwise>
+        </choose>
+    </sql>
+
     <!--
         App 订单可见范围：本人订单；关系图谱用户（与钱包相关人列表同口径）的全部类型订单；
         食堂预约订单额外扩展付款人和有效被监护人。管理端查询不设置 appViewerUserId，本片段不生效。
diff --git a/pjcloud-hardware/pjcloud-hardware-biz/src/test/java/com/bsd/pjcloud/hard/mapper/order/HardCanteenReservationDateBasisSqlTest.java b/pjcloud-hardware/pjcloud-hardware-biz/src/test/java/com/bsd/pjcloud/hard/mapper/order/HardCanteenReservationDateBasisSqlTest.java
new file mode 100644
index 00000000..09ef7241
--- /dev/null
+++ b/pjcloud-hardware/pjcloud-hardware-biz/src/test/java/com/bsd/pjcloud/hard/mapper/order/HardCanteenReservationDateBasisSqlTest.java
@@ -0,0 +1,207 @@
+package com.bsd.pjcloud.hard.mapper.order;
+
+import com.bsd.pjcloud.hard.api.constant.order.HardCanteenReservationDateBasisEnum;
+import com.bsd.pjcloud.hard.api.constant.order.HardSaleSourceEnum;
+import com.bsd.pjcloud.hard.api.dto.order.HardCarDto;
+import com.bsd.pjcloud.hard.api.dto.order.HardOrderDto;
+import org.apache.ibatis.builder.xml.XMLMapperBuilder;
+import org.apache.ibatis.io.Resources;
+import org.apache.ibatis.session.Configuration;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.io.InputStream;
+import java.time.LocalDateTime;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+/**
+ * 使用真实 Mapper XML 生成动态 SQL，验证预约日期口径贯穿投影、筛选、分组、退款和订单明细。
+ * 不连接数据库；数据结果和 MySQL 执行计划仍需在联调环境验证。
+ */
+class HardCanteenReservationDateBasisSqlTest {
+
+    /** 统计查询 Mapper 的完整命名空间。 */
+    private static final String CAR_MAPPER = "com.bsd.pjcloud.hard.mapper.order.HardCarMapper.";
+
+    /** 订单明细查询 Mapper 的完整命名空间。 */
+    private static final String ORDER_MAPPER = "com.bsd.pjcloud.hard.mapper.order.HardOrderMapper.";
+
+    /** 每个用例独立解析真实 Mapper，防止动态 SQL 状态或映射注册互相影响。 */
+    private Configuration configuration;
+
+    /**
+     * 从应用资源加载真实 Mapper XML，包含其所有公共 SQL 片段。
+     *
+     * @throws Exception 资源不可读取或 MyBatis 解析失败时抛出
+     */
+    @BeforeEach
+    void loadMappers() throws Exception {
+        configuration = new Configuration();
+        for (String mapper : List.of("HardCarMapper", "HardOrderMapper")) {
+            String path = "mapper/order/" + mapper + ".xml";
+            try (InputStream stream = Resources.getResourceAsStream(path)) {
+                new XMLMapperBuilder(stream, configuration, path, configuration.getSqlFragments()).parse();
+            }
+        }
+    }
+
+    /** 验证提前或延后核销均不限制核销时间范围，汇总、部门餐段和导出的日期统一取预约日。 */
+    @Test
+    void appointmentDateIsUsedByEveryStatisticsQueryAndRefundSubquery() {
+        HardOrderDto dto = query(HardCanteenReservationDateBasisEnum.APPT_USE_DATE);
+        for (String statement : List.of("listByDeptStats", "listByHourTypeStats", "listSalesExportRows")) {
+            String sql = sql(CAR_MAPPER + statement, dto);
+            assertTrue(sql.contains("date_format(o.appt_use_date,'%y-%m-%d') as stat_date"), statement);
+            assertTrue(sql.contains("o.appt_use_date as stat_time"), statement);
+            assertEquals(2, occurrences(sql, "o.appt_use_date between ? and ?"), statement);
+            assertFalse(sql.contains("o.verification_time between"), statement);
+            assertTrue(sql.contains("o.verification_time is not null"), statement);
+            assertTrue(sql.contains("o.hour_type,o.appt_use_date,a.product_id"), statement);
+            assertTrue(sql.contains("o.pay_time between ? and ?"), statement);
+            assertFalse(sql.contains("coalesce(o.appt_use_date"), statement);
+        }
+    }
+
+    /** 验证未选择新口径的历史请求和显式空值继续按核销时间查询，线下仍使用支付时间。 */
+    @Test
+    void defaultAndNullBasisKeepVerificationTimeBehavior() {
+        HardOrderDto defaults = new HardOrderDto();
+        assertEquals(HardCanteenReservationDateBasisEnum.VERIFICATION_TIME, defaults.getReservationDateBasis());
+        assertEquals(HardCanteenReservationDateBasisEnum.VERIFICATION_TIME, new HardCarDto().getReservationDateBasis());
+        for (HardCanteenReservationDateBasisEnum basis : new HardCanteenReservationDateBasisEnum[]{
+                defaults.getReservationDateBasis(), null}) {
+            String sql = sql(CAR_MAPPER + "listByDeptStats", query(basis));
+            assertTrue(sql.contains("date_format(o.verification_time,'%y-%m-%d') as stat_date"));
+            assertEquals(2, occurrences(sql, "o.verification_time between ? and ?"));
+            assertFalse(sql.contains("o.appt_use_date between"));
+            assertTrue(sql.contains("o.pay_time between ? and ?"));
+        }
+    }
+
+    /** 验证仅预约来源时不会拼接线下分支，退款完成状态及净份数、净金额扣减保持原有语义。 */
+    @Test
+    void reservationSourceKeepsCompletedRefundDeductionAndVerificationRequirement() {
+        HardOrderDto dto = query(HardCanteenReservationDateBasisEnum.APPT_USE_DATE);
+        dto.setSaleSourceCodes(List.of(HardSaleSourceEnum.RESERVATION_VERIFIED.getCode()));
+        String sql = sql(CAR_MAPPER + "listByDeptStats", dto);
+
+        assertFalse(sql.contains("'offline_purchase' as sale_source"));
+        assertTrue(sql.contains("o.order_status = '20'"));
+        assertTrue(sql.contains("o.verification_time is not null"));
+        assertTrue(sql.contains("refund_order.status = '50'"));
+        assertTrue(sql.contains("greatest(sum(ifnull(a.product_count,0)) - ifnull(refund_car.product_count,0),0)"));
+        assertTrue(sql.contains("greatest(sum(ifnull(a.total_price,0)) - ifnull(refund_car.total_price,0),0)"));
+        assertTrue(sql.contains("having sum(ifnull(a.product_count,0)) > ifnull(refund_car.product_count,0)"));
+    }
+
+    /** 验证纯线下查询不受预约日期口径影响，不额外生成预约或退款分支。 */
+    @Test
+    void offlineSourceAlwaysUsesPaymentTime() {
+        HardOrderDto dto = query(HardCanteenReservationDateBasisEnum.APPT_USE_DATE);
+        dto.setSaleSourceCodes(List.of(HardSaleSourceEnum.OFFLINE_PURCHASE.getCode()));
+        String sql = sql(CAR_MAPPER + "listByDeptStats", dto);
+
+        assertTrue(sql.contains("o.pay_time as stat_time"));
+        assertTrue(sql.contains("o.pay_time between ? and ?"));
+        assertFalse(sql.contains("o.appt_use_date"));
+        assertFalse(sql.contains("hard_after_sale_car"));
+    }
+
+    /** 验证菜品明细使用 HardCarDto 的同一口径，同时保留食堂、部门、餐段和商品筛选。 */
+    @Test
+    void productDetailsUseAppointmentDateAndOriginalDimensions() {
+        HardCarDto dto = new HardCarDto();
+        dto.setReservationDateBasis(HardCanteenReservationDateBasisEnum.APPT_USE_DATE);
+        dto.setStatisticsDateTimeList(query(null).getStatisticsDateTimeList());
+        dto.setSaleSourceCodes(List.of(HardSaleSourceEnum.RESERVATION_VERIFIED.getCode()));
+        dto.setMerchantId(10L);
+        dto.setUserDeptIds(List.of(20L));
+        dto.setIsInclude(true);
+        dto.setHourType("1");
+        dto.setProductName("测试菜品");
+        String sql = sql(CAR_MAPPER + "proudctQueryStats", dto);
+
+        assertEquals(2, occurrences(sql, "o.appt_use_date between ? and ?"));
+        assertFalse(sql.contains("o.verification_time between"));
+        assertTrue(sql.contains("o.merchant_id = ?"));
+        assertTrue(sql.contains("o.user_dept_id in"));
+        assertTrue(sql.contains("o.hour_type = ?"));
+        assertTrue(sql.contains("sale_stats.product_name like"));
+    }
+
+    /** 验证全部来源与单预约来源的订单明细均按预约日期过滤，同时要求已完成核销。 */
+    @Test
+    void orderDetailsShareAppointmentDateForBothSourceSelections() {
+        HardOrderDto dto = query(HardCanteenReservationDateBasisEnum.APPT_USE_DATE);
+        for (List<String> sources : List.of(dto.getSaleSourceCodes(), List.of(HardSaleSourceEnum.RESERVATION_VERIFIED.getCode()))) {
+            dto.setSaleSourceCodes(sources);
+            String sql = sql(ORDER_MAPPER + "pageJoin", dto);
+            assertTrue(sql.contains("a.appt_use_date between ? and ?"));
+            assertTrue(sql.contains("a.verification_time is not null"));
+            assertTrue(sql.contains("a.order_status = '20'"));
+            assertFalse(sql.contains("a.verification_time between"));
+        }
+        dto.setReservationDateBasis(null);
+        assertTrue(sql(ORDER_MAPPER + "pageJoin", dto).contains("a.verification_time between ? and ?"));
+    }
+
+    /** 验证部门树的包含和排除继续约束主查询与退款子查询，合计人数仍由数据库独立去重。 */
+    @Test
+    void departmentScopeAndDistinctTotalsRemainEffective() {
+        HardOrderDto dto = query(HardCanteenReservationDateBasisEnum.APPT_USE_DATE);
+        dto.setUserDeptIds(List.of(20L));
+        dto.setIsInclude(true);
+        String included = sql(CAR_MAPPER + "listByDeptStats", dto);
+        assertTrue(included.contains("o.user_dept_id in"));
+        assertTrue(included.contains("count(distinct sale_stats.user_id)"));
+        assertTrue(included.contains("count(distinct sale_stats.order_id)"));
+
+        dto.setIsInclude(false);
+        assertTrue(sql(CAR_MAPPER + "listByDeptStats", dto).contains("o.user_dept_id not in"));
+    }
+
+    /**
+     * 构造跨三天的查询，核销时间无独立限制，便于覆盖跨日核销的真实查询条件。
+     *
+     * @param basis 预约日期口径，允许空值以验证历史兼容
+     * @return 同时包含线下与预约来源的统计请求
+     */
+    private HardOrderDto query(HardCanteenReservationDateBasisEnum basis) {
+        HardOrderDto dto = new HardOrderDto();
+        dto.setReservationDateBasis(basis);
+        dto.setStatisticsDateTimeList(new LocalDateTime[]{
+                LocalDateTime.of(2026, 11, 1, 0, 0), LocalDateTime.of(2026, 11, 3, 23, 59, 59)});
+        dto.setSaleSourceCodes(HardSaleSourceEnum.getCodes());
+        return dto;
+    }
+
+    /**
+     * 生成真实 MyBatis BoundSql 并仅规范化空白，避免依赖 XML 的缩进样式。
+     *
+     * @param statement 完整的 Mapper 方法标识
+     * @param dto 对应订单或菜品查询 DTO
+     * @return 小写且括号内部、逗号两侧没有多余空白的 SQL；保留运算符前后的分隔
+     */
+    private String sql(String statement, Object dto) {
+        return configuration.getMappedStatement(statement).getBoundSql(Map.of("dto", dto)).getSql()
+                .replaceAll("\\s+", " ").replaceAll("\\(\\s+", "(").replaceAll("\\s+\\)", ")")
+                .replaceAll("\\s*,\\s*", ",").toLowerCase(Locale.ROOT);
+    }
+
+    /**
+     * 统计关键过滤条件出现次数，确保预约商品与退款子查询都采用同一日期范围。
+     *
+     * @param sql 已规范化的完整 SQL
+     * @param fragment 待检查的固定业务过滤片段
+     * @return 片段在 SQL 中出现的次数
+     */
+    private int occurrences(String sql, String fragment) {
+        return (sql.length() - sql.replace(fragment, "").length()) / fragment.length();
+    }
+}
diff --git a/pjcloud-hardware/pjcloud-hardware-biz/src/test/java/com/bsd/pjcloud/hard/service/impl/order/HardCanteenTotalServiceImplTest.java b/pjcloud-hardware/pjcloud-hardware-biz/src/test/java/com/bsd/pjcloud/hard/service/impl/order/HardCanteenTotalServiceImplTest.java
index f85b7be9..6518eb8d 100644
--- a/pjcloud-hardware/pjcloud-hardware-biz/src/test/java/com/bsd/pjcloud/hard/service/impl/order/HardCanteenTotalServiceImplTest.java
+++ b/pjcloud-hardware/pjcloud-hardware-biz/src/test/java/com/bsd/pjcloud/hard/service/impl/order/HardCanteenTotalServiceImplTest.java
@@ -15,9 +15,13 @@ import com.bsd.pjcloud.common.asynctask.service.AsyncTaskProgressReporter;
 import com.bsd.pjcloud.common.asynctask.service.AsyncTaskResult;
 import com.bsd.pjcloud.common.asynctask.service.AsyncTaskResultAction;
 import com.bsd.pjcloud.common.asynctask.vo.AsyncTaskProgressVO;
+import com.bsd.pjcloud.common.security.service.PjcloudUser;
 import com.bsd.pjcloud.hard.api.constant.order.HardCanteenStatisticsLevelEnum;
+import com.bsd.pjcloud.hard.api.constant.order.HardCanteenReservationDateBasisEnum;
 import com.bsd.pjcloud.hard.api.constant.order.HardSaleSourceEnum;
 import com.bsd.pjcloud.hard.api.dto.order.HardOrderDto;
+import com.bsd.pjcloud.hard.api.dto.order.HardCarDto;
+import com.bsd.pjcloud.hard.api.vo.order.HardCarVo;
 import com.bsd.pjcloud.hard.api.vo.order.HardCanteenProductApptExportRecord;
 import com.bsd.pjcloud.hard.api.vo.order.HardCanteenProductTotalVo;
 import com.bsd.pjcloud.hard.api.vo.order.excel.HardCanteenProductApptExcelVo;
@@ -179,7 +183,7 @@ class HardCanteenTotalServiceImplTest {
                 departmentRow(HardCanteenStatisticsLevelEnum.HOUR_SOURCE, HardSaleSourceEnum.OFFLINE_PURCHASE, "1", 20L),
                 departmentRow(HardCanteenStatisticsLevelEnum.HOUR_SOURCE, HardSaleSourceEnum.RESERVATION_VERIFIED, "1", 20L)));
 
-        List<HardCanteenProductTotalVo> result = service.listByDept(dto, null, null);
+        List<HardCanteenProductTotalVo> result = service.listByDept(dto, mockDepartmentQueryUser(), null);
 
         assertEquals(1, result.size());
         assertEquals("当日合计", result.get(0).getStatisticsLevelName());
@@ -210,7 +214,7 @@ class HardCanteenTotalServiceImplTest {
                 departmentRow(HardCanteenStatisticsLevelEnum.HOUR_TOTAL, null, "1", 20L),
                 departmentRow(HardCanteenStatisticsLevelEnum.HOUR_SOURCE, HardSaleSourceEnum.RESERVATION_VERIFIED, "1", 20L)));
 
-        List<HardCanteenProductTotalVo> result = service.listByDept(dto, null, null);
+        List<HardCanteenProductTotalVo> result = service.listByDept(dto, mockDepartmentQueryUser(), null);
 
         assertEquals(1, result.size());
         assertTrue(result.get(0).getSourceRows().isEmpty());
@@ -350,6 +354,89 @@ class HardCanteenTotalServiceImplTest {
                 eq("食堂菜品部门统计导出"), eq(1), any(AsyncTaskResultAction.class));
     }
 
+    /** 验证预约日期口径完整传入主表与部门餐段下钻查询，不在服务层退回核销日期。 */
+    @Test
+    void diningDateBasisReachesDepartmentAndMealQueries() {
+        HardOrderDto dto = statisticsDto();
+        dto.setReservationDateBasis(HardCanteenReservationDateBasisEnum.APPT_USE_DATE);
+        dto.setTotalIsFindChildren(true);
+        mockCanteenScope();
+        when(hardCarMapper.listByDeptStats(any(HardOrderDto.class), isNull())).thenReturn(List.of(
+                departmentRow(HardCanteenStatisticsLevelEnum.DATE_TOTAL, null, null, null)));
+        when(hardCarMapper.listByHourTypeStats(any(HardOrderDto.class))).thenReturn(List.of(
+                departmentRow(HardCanteenStatisticsLevelEnum.HOUR_TOTAL, null, "1", 20L)));
+
+        List<HardCanteenProductTotalVo> rows = service.listByDept(dto, mockDepartmentQueryUser(), null);
+
+        ArgumentCaptor<HardOrderDto> mainQuery = ArgumentCaptor.forClass(HardOrderDto.class);
+        ArgumentCaptor<HardOrderDto> childQuery = ArgumentCaptor.forClass(HardOrderDto.class);
+        verify(hardCarMapper).listByDeptStats(mainQuery.capture(), isNull());
+        verify(hardCarMapper).listByHourTypeStats(childQuery.capture());
+        assertEquals(HardCanteenReservationDateBasisEnum.APPT_USE_DATE, mainQuery.getValue().getReservationDateBasis());
+        assertEquals(HardCanteenReservationDateBasisEnum.APPT_USE_DATE, childQuery.getValue().getReservationDateBasis());
+        assertEquals(1, rows.get(0).getChildren().size());
+        assertEquals(rows.get(0).getCreateTime(), rows.get(0).getChildren().get(0).getCreateTime());
+    }
+
+    /** 验证菜品明细使用相同的预约日期口径及来源，仍走现有退款扣减统计查询。 */
+    @Test
+    void diningDateBasisReachesProductDetails() {
+        HardCarDto dto = new HardCarDto();
+        dto.setStatisticsDateTimeList(statisticsDto().getStatisticsDateTimeList());
+        dto.setReservationDateBasis(HardCanteenReservationDateBasisEnum.APPT_USE_DATE);
+        dto.setSaleSourceCodes(List.of(HardSaleSourceEnum.RESERVATION_VERIFIED.getCode()));
+        Page<HardCarVo> page = new Page<>(1, 10);
+        when(hardCarMapper.proudctQueryStats(any(Page.class), any(HardCarDto.class))).thenReturn(page);
+
+        service.proudctQuery(page, dto);
+
+        ArgumentCaptor<HardCarDto> query = ArgumentCaptor.forClass(HardCarDto.class);
+        verify(hardCarMapper).proudctQueryStats(eq(page), query.capture());
+        assertEquals(HardCanteenReservationDateBasisEnum.APPT_USE_DATE, query.getValue().getReservationDateBasis());
+        assertEquals(List.of(HardSaleSourceEnum.RESERVATION_VERIFIED.getCode()), query.getValue().getSaleSourceCodes());
+        verify(hardCarMapper, never()).proudctQuery(any(Page.class), any(HardCarDto.class));
+    }
+
+    /**
+     * 验证跨月导出冻结预约日期口径；提交后更改原始条件，不影响各自然日批次和文件命名。
+     *
+     * @throws Exception 执行捕获的后台任务失败时抛出
+     */
+    @Test
+    void diningDateExportFreezesBasisAcrossMonthBoundary() throws Exception {
+        HardOrderDto dto = statisticsDto();
+        dto.setReservationDateBasis(HardCanteenReservationDateBasisEnum.APPT_USE_DATE);
+        dto.setStatisticsDateTimeList(new LocalDateTime[]{
+                LocalDateTime.of(2026, 10, 31, 0, 0), LocalDateTime.of(2026, 11, 2, 23, 59, 59)});
+        dto.setSaleSourceCodes(new ArrayList<>(List.of(HardSaleSourceEnum.RESERVATION_VERIFIED.getCode())));
+        mockCanteenScope();
+        when(hardCarMapper.listSalesExportRows(any(HardOrderDto.class), isNull())).thenReturn(List.of());
+        when(remoteFileService.innerUpload(any(), eq("hard-export"), isNull(), eq("HARD_CANTEEN_DEPARTMENT_SALES_EXPORT")))
+                .thenReturn(R.ok(Map.of("url", "https://file.example/dining-date.xlsx")));
+
+        service.submitDepartmentSalesExport(dto);
+        dto.setReservationDateBasis(HardCanteenReservationDateBasisEnum.VERIFICATION_TIME);
+        dto.getSaleSourceCodes().clear();
+        dto.getStatisticsDateTimeList()[0] = LocalDateTime.of(2026, 11, 2, 0, 0);
+
+        ArgumentCaptor<AsyncTaskResultAction> action = ArgumentCaptor.forClass(AsyncTaskResultAction.class);
+        verify(asyncTaskExecutorService).submitWithResult(eq("hard:canteen-sales:export:department"),
+                eq("食堂用餐日期统计导出"), eq(1), action.capture());
+        AsyncTaskResult result = action.getValue().execute(mock(AsyncTaskProgressReporter.class));
+
+        ArgumentCaptor<HardOrderDto> batches = ArgumentCaptor.forClass(HardOrderDto.class);
+        verify(hardCarMapper, times(3)).listSalesExportRows(batches.capture(), isNull());
+        assertEquals(List.of(LocalDate.of(2026, 10, 31), LocalDate.of(2026, 11, 1), LocalDate.of(2026, 11, 2)),
+                batches.getAllValues().stream().map(batch -> batch.getStatisticsDateTimeList()[0].toLocalDate()).toList());
+        for (HardOrderDto batch : batches.getAllValues()) {
+            assertEquals(HardCanteenReservationDateBasisEnum.APPT_USE_DATE, batch.getReservationDateBasis());
+            assertEquals(List.of(HardSaleSourceEnum.RESERVATION_VERIFIED.getCode()), batch.getSaleSourceCodes());
+            assertEquals(batch.getStatisticsDateTimeList()[0].toLocalDate().atTime(23, 59, 59), batch.getStatisticsDateTimeList()[1]);
+        }
+        assertTrue(result.fileName().startsWith("食堂用餐日期统计_"));
+        assertEquals("https://file.example/dining-date.xlsx", result.fileUrl());
+    }
+
     /**
      * 构造覆盖 2026-08-24 完整自然日的来源统计请求。
      *
@@ -395,6 +482,18 @@ class HardCanteenTotalServiceImplTest {
         when(remoteDeptService.getDeptByDeptIds(List.of(20L))).thenReturn(R.ok(java.util.Map.of()));
     }
 
+    /**
+     * 为部门统计提供真实调用必需的登录用户和自营食堂范围，避免测试使用空用户绕过权限前提。
+     *
+     * @return 可查询编号 10 食堂的模拟用户
+     */
+    private PjcloudUser mockDepartmentQueryUser() {
+        PjcloudUser user = mock(PjcloudUser.class);
+        when(user.getId()).thenReturn(1L);
+        when(remoteMchService.getSelfMchIdList(eq(1L), any())).thenReturn(R.ok(List.of(10L)));
+        return user;
+    }
+
     /**
      * 构造部门统计指定展示层级的 Mapper 行。
      *