diff --git a/mhd-modules/mhd-system/src/main/java/com/mhd/basic/application/service/Lease/LeaseApplicationService.java b/mhd-modules/mhd-system/src/main/java/com/mhd/basic/application/service/Lease/LeaseApplicationService.java
index 0ffbd7612..b951552ee 100644
--- a/mhd-modules/mhd-system/src/main/java/com/mhd/basic/application/service/Lease/LeaseApplicationService.java
+++ b/mhd-modules/mhd-system/src/main/java/com/mhd/basic/application/service/Lease/LeaseApplicationService.java
@@ -508,24 +508,53 @@ public class LeaseApplicationService {
      * 参数与 /warehouseOccupancyRate、/list 一致
      */
     public void exportOccupancyRate(HttpServletResponse response, ShipperLeaseDetailsDO shipperLeaseDetailsDO) throws IOException {
-        // ===== 1. 查出租率（注意：该方法内部会修改传入的 DO，所以先查它）=====
-        List<WarehouseOccupancyRate> rateList = warehouseOccupancyRate(shipperLeaseDetailsDO);
+        // 注意：本方法不调用 warehouseOccupancyRate()，因为该方法在不传 warehouseId 时
+        // totalArea 会算成全系统所有仓库库区面积之和（如 6168），导致导出面积/日租率错误。
+        // 这里自行按 (业务日期 + 仓库) 维度计算，保证多仓库导出时每个仓库的面积/日租率正确。
 
-        // ===== 2. 用副本查明细，避免被上面改过的 DO 影响 =====
+        // ===== 1. 查全部明细（用副本 DO，避免影响外部）=====
         ShipperLeaseDetailsDO detailDO = new ShipperLeaseDetailsDO();
         BeanUtils.copyProperties(shipperLeaseDetailsDO, detailDO);
         List<ShipperLeaseDetailsPO> detailList = shipperLeaseDetailsService.queryList(detailDO);
-
-        // ===== 3. 出租率按 (业务日期 + 仓库ID) 建映射，方便明细行查汇总 =====
-        SimpleDateFormat keySdf = new SimpleDateFormat("yyyy-MM-dd");
-        Map<String, WarehouseOccupancyRate> rateMap = new HashMap<>();
-        for (WarehouseOccupancyRate r : rateList) {
-            String key = (r.getBusinessDate() == null ? "" : keySdf.format(r.getBusinessDate()))
-                    + "_" + r.getWarehouseId();
-            rateMap.put(key, r);
+        if (detailList == null) {
+            detailList = new ArrayList<>();
         }
 
-        // ===== 4. 明细为主，每行拼上对应仓库当天的汇总 =====
+        // ===== 2. 预算每个仓库的总面积（启用库区的 storageRegion 累加），建 warehouseId -> totalArea 映射 =====
+        Set<Long> warehouseIds = detailList.stream()
+                .map(ShipperLeaseDetailsPO::getWarehouseId)
+                .filter(Objects::nonNull)
+                .collect(Collectors.toSet());
+        Map<Long, BigDecimal> warehouseTotalAreaMap = new HashMap<>();
+        for (Long wid : warehouseIds) {
+            StorageSectionDO storageSectionDO = new StorageSectionDO();
+            storageSectionDO.setWarehouseId(wid);
+            storageSectionDO.setOpeningUp(1);
+            List<StorageSectionPO> sections = storageSectionApplicationService.queryList(storageSectionDO);
+            BigDecimal area = BigDecimal.ZERO;
+            for (StorageSectionPO s : sections) {
+                area = area.add(s.getStorageRegion() == null ? BigDecimal.ZERO : s.getStorageRegion());
+            }
+            warehouseTotalAreaMap.put(wid, area);
+        }
+
+        // ===== 3. 按 (业务日期 + 仓库ID) 聚合，算每个仓库当天的整租/散租面积 =====
+        // summaryMap: key -> [整租面积, 散租面积]
+        SimpleDateFormat keySdf = new SimpleDateFormat("yyyy-MM-dd");
+        Map<String, BigDecimal[]> summaryMap = new HashMap<>();
+        for (ShipperLeaseDetailsPO d : detailList) {
+            String key = (d.getBusinessDate() == null ? "" : keySdf.format(d.getBusinessDate()))
+                    + "_" + d.getWarehouseId();
+            BigDecimal[] arr = summaryMap.computeIfAbsent(key, k -> new BigDecimal[]{BigDecimal.ZERO, BigDecimal.ZERO});
+            BigDecimal leaseArea = d.getLeaseArea() == null ? BigDecimal.ZERO : d.getLeaseArea();
+            if ("整租".equals(d.getLeaseType())) {
+                arr[0] = arr[0].add(leaseArea);
+            } else {
+                arr[1] = arr[1].add(leaseArea);
+            }
+        }
+
+        // ===== 4. 明细为主，每行拼上对应仓库当天的汇总（总面积/日租率按仓库单独算）=====
         List<WarehouseLeaseExportVO> exportList = new ArrayList<>();
         for (ShipperLeaseDetailsPO d : detailList) {
             WarehouseLeaseExportVO vo = new WarehouseLeaseExportVO();
@@ -536,20 +565,27 @@ public class LeaseApplicationService {
             vo.setCargoOwnerName(d.getCargoOwnerName());
             vo.setLeaseType(d.getLeaseType());
             vo.setLeaseArea(d.getLeaseArea());
-            // 汇总列（从映射取，找不到就留空）
+            // 汇总列
             String key = (d.getBusinessDate() == null ? "" : keySdf.format(d.getBusinessDate()))
                     + "_" + d.getWarehouseId();
-            WarehouseOccupancyRate r = rateMap.get(key);
-            if (r != null) {
-                vo.setEntireLeaseArea(r.getEntireLeaseArea());
-                vo.setFractionalLeaseArea(r.getFractionalLeaseArea());
-                vo.setTotalArea(r.getTotalArea());
-                vo.setDailyRentalRate(r.getDailyRentalRate());
-            }
+            BigDecimal[] arr = summaryMap.get(key);
+            BigDecimal entireLeaseArea = (arr != null) ? arr[0] : BigDecimal.ZERO;
+            BigDecimal fractionalLeaseArea = (arr != null) ? arr[1] : BigDecimal.ZERO;
+            vo.setEntireLeaseArea(entireLeaseArea);
+            vo.setFractionalLeaseArea(fractionalLeaseArea);
+            // 该仓库的总面积（按仓库单独算，不再用全局总和）
+            BigDecimal widTotalArea = warehouseTotalAreaMap.getOrDefault(d.getWarehouseId(), BigDecimal.ZERO);
+            vo.setTotalArea(widTotalArea);
+            // 日租率 = (整租+散租) / 总面积 × 100，保留2位小数（直接输出百分比值，如 10.00）
+            BigDecimal leaseSum = entireLeaseArea.add(fractionalLeaseArea);
+            BigDecimal dailyRate = widTotalArea.compareTo(BigDecimal.ZERO) == 0
+                    ? BigDecimal.ZERO
+                    : leaseSum.multiply(new BigDecimal("100")).divide(widTotalArea, 2, BigDecimal.ROUND_HALF_UP);
+            vo.setDailyRentalRate(dailyRate);
             exportList.add(vo);
         }
 
-        // ===== 5. 按业务日期降序排序（null 排最后）=====
+        // ===== 5. 按业务日期降序、仓库名升序排序（null 排最后）=====
         exportList.sort(Comparator
                 .comparing(WarehouseLeaseExportVO::getBusinessDate, Comparator.nullsLast(Comparator.reverseOrder()))
                 .thenComparing(WarehouseLeaseExportVO::getWarehouseName, Comparator.nullsLast(Comparator.naturalOrder())));