diff --git a/mhd_oms/src/main/java/com/mhd/oms/domain/reservationMaterialInventory/repository/todo/ReservationMaterialInventoryDO.java b/mhd_oms/src/main/java/com/mhd/oms/domain/reservationMaterialInventory/repository/todo/ReservationMaterialInventoryDO.java
index b0335b885..c31872418 100644
--- a/mhd_oms/src/main/java/com/mhd/oms/domain/reservationMaterialInventory/repository/todo/ReservationMaterialInventoryDO.java
+++ b/mhd_oms/src/main/java/com/mhd/oms/domain/reservationMaterialInventory/repository/todo/ReservationMaterialInventoryDO.java
@@ -255,4 +255,7 @@ public class ReservationMaterialInventoryDO extends MaterialBaseDO {
     private String productionDateStr;
     private String expiryDateStart;
     private String expiryDateEnd;
+
+    @ApiModelProperty("导出按到期日分组排序标识：仅 queryRule=wlExpiry 时生效，true-到期日倒序(日期近的在前、空值最后、0库存靠后)；不传-保持原有排序")
+    private Boolean orderByExpiryDate;
 }
\ No newline at end of file
diff --git a/mhd_oms/src/main/java/com/mhd/oms/interfaces/facade/reservationMaterialInventory/ReservationMaterialInventoryApi.java b/mhd_oms/src/main/java/com/mhd/oms/interfaces/facade/reservationMaterialInventory/ReservationMaterialInventoryApi.java
index 80282b72b..7d1368cf8 100644
--- a/mhd_oms/src/main/java/com/mhd/oms/interfaces/facade/reservationMaterialInventory/ReservationMaterialInventoryApi.java
+++ b/mhd_oms/src/main/java/com/mhd/oms/interfaces/facade/reservationMaterialInventory/ReservationMaterialInventoryApi.java
@@ -52,7 +52,8 @@ public class ReservationMaterialInventoryApi extends BaseController {
     public TableDataInfo list(ReservationMaterialInventoryDTO materialInventoryDTO,
                               @RequestParam(value = "customerName", required = false) String customerName,
                               @RequestParam(value = "expiryDateStart", required = false) String expiryDateStart,
-                              @RequestParam(value = "expiryDateEnd", required = false) String expiryDateEnd)
+                              @RequestParam(value = "expiryDateEnd", required = false) String expiryDateEnd,
+                              @RequestParam(value = "orderByExpiryDate", required = false) Boolean orderByExpiryDate)
     {
         // 出库分配前端传的是客户名称 customerName，这里通过名称查询货主ID，使用精确匹配（不模糊匹配）
         String shipperName = null; // 保存查询到的货主名称
@@ -82,12 +83,24 @@ public class ReservationMaterialInventoryApi extends BaseController {
         materialInventoryDO.setProductionDateStr(materialInventoryDTO.getProductionDate());
         materialInventoryDO.setExpiryDateStart(expiryDateStart);
         materialInventoryDO.setExpiryDateEnd(expiryDateEnd);
+        // 导出场景：queryRule=wlExpiry + orderByExpiryDate=true 时 SQL 按到期日倒序分组
+        // （日期近的在前、空值最后、0库存靠后、同到期日按更新时间倒序）
+        materialInventoryDO.setOrderByExpiryDate(orderByExpiryDate);
         startPage();
         // 使用带批次属性的查询方法，批次属性值从库存表中获取
-        // 排序由 SQL 统一处理：到期日倒序(日期近的在前、空值最后)、同到期日按更新时间倒序(空值最后)，
-        // 查询列表与导出（同一接口）均按到期日分组，相同到期日的数据相邻显示；
-        // 不在内存重排，避免覆盖 SQL 排序导致跨页分组被打散
         List<ReservationMaterialInventoryPO> list = materialInventoryApplicationService.queryListWithBatchAttributes(materialInventoryDO);
+        // 按更新时间倒序排序；update_time 为空的数据放最后
+        // （导出 orderByExpiryDate=true 时跳过该重排，避免覆盖 SQL 的到期日分组排序）
+        if (!Boolean.TRUE.equals(orderByExpiryDate)) {
+            list.sort((o1, o2) -> {
+                Date t1 = o1.getUpdateTime();
+                Date t2 = o2.getUpdateTime();
+                if (t1 == null && t2 == null) return 0;
+                if (t1 == null) return 1;
+                if (t2 == null) return -1;
+                return t2.compareTo(t1); // desc
+            });
+        }
         TableDataInfo tableDataInfo = getDataTable(list);
         return tableDataInfo;
     }
diff --git a/mhd_oms/src/main/resources/mapper/reservationMaterialInventory/MaterialInventoryMapper.xml b/mhd_oms/src/main/resources/mapper/reservationMaterialInventory/MaterialInventoryMapper.xml
index ce58f8970..0297f8a29 100644
--- a/mhd_oms/src/main/resources/mapper/reservationMaterialInventory/MaterialInventoryMapper.xml
+++ b/mhd_oms/src/main/resources/mapper/reservationMaterialInventory/MaterialInventoryMapper.xml
@@ -292,11 +292,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             <include refid="selectMaterialInventoryPo1"/>
             <include refid="JoinMaterialBaseInfoPoWhere"/>
         </where>
-        group by a.MATERIAL_INVENTORY_ID
-        <!-- 按到期日分组归类：到期日倒序(日期近的在前)、空值放最后；同到期日按更新时间倒序(空值放最后)。
-             查询列表与导出共用本查询，相同到期日的数据相邻显示；排序放 SQL 层保证跨页/全量导出分组不被打散 -->
-        order by CASE WHEN a.expiry_date IS NULL THEN 1 ELSE 0 END ASC, a.expiry_date DESC,
-                 CASE WHEN a.update_time IS NULL THEN 1 ELSE 0 END ASC, a.update_time DESC
+        group by a.MATERIAL_INVENTORY_ID order by a.update_time desc
     </select>
 
     <select id="queryListByWlKw" parameterType="com.mhd.oms.domain.reservationMaterialInventory.repository.todo.ReservationMaterialInventoryDO" resultMap="MaterialInventoryResult">
@@ -373,7 +369,18 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         GROUP BY a.MATERIAL_BASE_INFO_ID, a.EXPIRY_DATE, a.shipper_id, a.shipper_code, a.shipper_name,
                  a.organization_id, a.organization_name, a.top_organization_id,
                  b.material_code, b.material_name
-        order by sort_order, MAX(a.update_time) desc
+        <!-- 导出(queryRule=wlExpiry + orderByExpiryDate=true)按到期日分组归类：到期日倒序(日期近的在前)、
+             空值放最后、0库存靠后、同到期日按更新时间倒序；相同物料+相同到期日合并为一行，数量类字段SUM汇总。
+             不传 orderByExpiryDate 保持原有排序 -->
+        <choose>
+            <when test="orderByExpiryDate != null and orderByExpiryDate == true">
+                order by CASE WHEN a.expiry_date IS NULL THEN 1 ELSE 0 END ASC, a.expiry_date DESC,
+                         sort_order, MAX(a.update_time) DESC
+            </when>
+            <otherwise>
+                order by sort_order, MAX(a.update_time) desc
+            </otherwise>
+        </choose>
     </select>
 
     <select id="queryListByHz" parameterType="com.mhd.oms.domain.reservationMaterialInventory.repository.todo.ReservationMaterialInventoryDO" resultMap="MaterialInventoryResult">
diff --git a/mhd_wms/src/main/java/com/mhd/wms/domain/materialInventory/repository/todo/MaterialInventoryDO.java b/mhd_wms/src/main/java/com/mhd/wms/domain/materialInventory/repository/todo/MaterialInventoryDO.java
index aedd365af..fcff6786f 100644
--- a/mhd_wms/src/main/java/com/mhd/wms/domain/materialInventory/repository/todo/MaterialInventoryDO.java
+++ b/mhd_wms/src/main/java/com/mhd/wms/domain/materialInventory/repository/todo/MaterialInventoryDO.java
@@ -233,6 +233,9 @@ public class MaterialInventoryDO extends MaterialBaseDO {
     //查询规则 hz:货主,hzwl:货主+物料,wl:物料,kw:库位,wlkw:物料库位,all:全部（listAll 传入 hz 时会改为 hzwl）
     private String queryRule;
 
+    @ApiModelProperty("导出按到期日分组排序标识：仅 queryRule=wlExpiry 时生效，true-到期日倒序(日期近的在前、空值最后、0库存靠后)；不传-保持原有排序")
+    private Boolean orderByExpiryDate;
+
     @ApiModelProperty("冻结数量大于0条件")
     @Excel(name = "冻结数量大于0条件")
     private String greaterThanFreezeQuantity;
diff --git a/mhd_wms/src/main/java/com/mhd/wms/interfaces/facadeApi/materialInventory/MaterialInventoryApi.java b/mhd_wms/src/main/java/com/mhd/wms/interfaces/facadeApi/materialInventory/MaterialInventoryApi.java
index 1f3547b5d..d40fdcc1a 100644
--- a/mhd_wms/src/main/java/com/mhd/wms/interfaces/facadeApi/materialInventory/MaterialInventoryApi.java
+++ b/mhd_wms/src/main/java/com/mhd/wms/interfaces/facadeApi/materialInventory/MaterialInventoryApi.java
@@ -57,7 +57,8 @@ public class MaterialInventoryApi extends BaseController {
                               @RequestParam(value = "customerName", required = false) String customerName,
                               @RequestParam(value = "excludeZeroInventoryQuantity", required = false) Boolean excludeZeroInventoryQuantity,
                               @RequestParam(value = "expiryDateStart", required = false) String expiryDateStart,
-                              @RequestParam(value = "expiryDateEnd", required = false) String expiryDateEnd)
+                              @RequestParam(value = "expiryDateEnd", required = false) String expiryDateEnd,
+                              @RequestParam(value = "orderByExpiryDate", required = false) Boolean orderByExpiryDate)
     {
         if (Boolean.TRUE.equals(excludeZeroInventoryQuantity)) {
             materialInventoryDTO.setExcludeZeroInventoryQuantity(true);
@@ -90,6 +91,8 @@ public class MaterialInventoryApi extends BaseController {
         materialInventoryDO.setProductionDateStr(materialInventoryDTO.getProductionDate());
         materialInventoryDO.setExpiryDateStart(expiryDateStart);
         materialInventoryDO.setExpiryDateEnd(expiryDateEnd);
+        // 导出场景：queryRule=wlExpiry + orderByExpiryDate=true 时 SQL 按到期日倒序分组（与 OMS 库存查询导出一致）
+        materialInventoryDO.setOrderByExpiryDate(orderByExpiryDate);
         Date updateTime = materialInventoryDTO.getUpdateTime();
         if (updateTime != null) {
             LocalDateTime localDateTime = updateTime.toInstant().atZone(ZoneId.systemDefault()).toLocalDateTime();
diff --git a/mhd_wms/src/main/resources/mapper/materialInventory/MaterialInventoryMapper.xml b/mhd_wms/src/main/resources/mapper/materialInventory/MaterialInventoryMapper.xml
index ac8d3aab6..4af9498d9 100644
--- a/mhd_wms/src/main/resources/mapper/materialInventory/MaterialInventoryMapper.xml
+++ b/mhd_wms/src/main/resources/mapper/materialInventory/MaterialInventoryMapper.xml
@@ -491,7 +491,18 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         </where>
         GROUP BY a.MATERIAL_BASE_INFO_ID, a.EXPIRY_DATE, a.shipper_id,
                  a.organization_id, a.top_organization_id
-        order by sort_order, MAX(a.update_time) desc
+        <!-- 导出(queryRule=wlExpiry + orderByExpiryDate=true)按到期日分组归类：到期日倒序(日期近的在前)、
+             空值放最后、0库存靠后、同到期日按更新时间倒序；相同物料+相同到期日合并为一行，数量类字段SUM汇总。
+             不传 orderByExpiryDate 保持原有排序 -->
+        <choose>
+            <when test="orderByExpiryDate != null and orderByExpiryDate == true">
+                order by CASE WHEN a.expiry_date IS NULL THEN 1 ELSE 0 END ASC, a.expiry_date DESC,
+                         sort_order, MAX(a.update_time) DESC
+            </when>
+            <otherwise>
+                order by sort_order, MAX(a.update_time) desc
+            </otherwise>
+        </choose>
     </select>
 
     <!-- 按货主+物料汇总：A货主物料1、A货主物料2、B货主物料1、B货主物料2 为 4 行；库位取该货主+该物料下创建时间最新的一条明细 -->