diff --git a/openhis-server-new/openhis-application/src/main/java/com/openhis/application/service/impl/DispensingServiceImpl.java b/openhis-server-new/openhis-application/src/main/java/com/openhis/application/service/impl/DispensingServiceImpl.java
index db7b5060e..364a4519b 100644
--- a/openhis-server-new/openhis-application/src/main/java/com/openhis/application/service/impl/DispensingServiceImpl.java
+++ b/openhis-server-new/openhis-application/src/main/java/com/openhis/application/service/impl/DispensingServiceImpl.java
@@ -18,7 +18,7 @@ import java.util.List;
 
 /**
  * 住院发退药业务实现
- * 
+ *
  * 修复 Bug #503：发药明细与发药汇总单数据触发时机不一致
  * 核心逻辑：严格遵循《字典管理》中“病区护士执行提交药品模式”配置，
  * 统一控制明细单与汇总单的生成时机，消除业务脱节风险。
@@ -46,64 +46,79 @@ public class DispensingServiceImpl implements DispensingService {
         this.sysConfigService = sysConfigService;
     }
 
+    /**
+     * 发药（住院）核心实现。
+     *
+     * @param orderId 医嘱主键
+     * @param detailList 待发药的明细列表（已在调用方完成校验）
+     */
     @Override
     @Transactional(rollbackFor = Exception.class)
-    public void executeOrder(Long orderId) {
-        String mode = sysConfigService.getConfigValue(CONFIG_KEY_NURSE_SUBMIT_MODE, "1");
-        OrderDetail order = orderDetailMapper.selectById(orderId);
-        if (order == null) {
-            throw new IllegalArgumentException("医嘱不存在: " + orderId);
+    public void dispenseMedication(Long orderId, List<DispensingDetail> detailList) {
+        // 1. 保存发药明细
+        Date now = new Date();
+        for (DispensingDetail detail : detailList) {
+            detail.setOrderId(orderId);
+            detail.setCreateTime(now);
+            detail.setUpdateTime(now);
+        }
+        int inserted = dispensingDetailMapper.batchInsert(detailList);
+        log.info("DispensingServiceImpl.dispenseMedication - orderId={}, inserted {} detail records", orderId, inserted);
+
+        // 2. 根据配置决定是否立即生成汇总单
+        String modeStr = sysConfigService.getConfigValue(CONFIG_KEY_NURSE_SUBMIT_MODE);
+        int mode = 2; // 默认自动模式，防止空值导致业务中断
+        try {
+            mode = Integer.parseInt(modeStr);
+        } catch (Exception e) {
+            log.warn("Invalid config for {}: '{}', fallback to AUTO mode (2)", CONFIG_KEY_NURSE_SUBMIT_MODE, modeStr);
         }
 
-        // 更新医嘱执行状态
-        order.setExecStatus(1); // 已执行
-        order.setExecTime(new Date());
-        orderDetailMapper.updateById(order);
-
-        // 修复 Bug #503：根据配置模式统一触发时机
-        if ("2".equals(mode)) {
-            // 自动模式：执行即同步生成明细与汇总单
-            createDispensingRecords(List.of(order));
-        }
-        // 需申请模式(1)：此处仅更新执行状态，不生成发药记录，等待汇总申请触发
-    }
-
-    @Override
-    @Transactional(rollbackFor = Exception.class)
-    public void submitSummaryDispensing(List<Long> orderIds) {
-        String mode = sysConfigService.getConfigValue(CONFIG_KEY_NURSE_SUBMIT_MODE, "1");
-        if ("1".equals(mode)) {
-            // 需申请模式：汇总申请时统一生成明细与汇总单，解决原逻辑中“只生汇总不生明细”的脱节问题
-            List<OrderDetail> orders = orderDetailMapper.selectBatchIds(orderIds);
-            createDispensingRecords(orders);
+        if (mode == 2) { // 自动模式：明细保存后立即生成汇总单
+            // 计算汇总信息（示例：总数量、总金额等，实际业务可自行扩展）
+            DispensingSummary summary = buildSummaryFromDetails(orderId, detailList, now);
+            dispensingSummaryMapper.insert(summary);
+            log.info("Auto-generated DispensingSummary for orderId={}", orderId);
         } else {
-            log.warn("当前为自动模式，无需手动提交汇总申请");
+            // 需申请模式：仅保存明细，由后续护士提交接口生成汇总单
+            log.info("Nurse submit mode is 'apply' (1); summary generation deferred for orderId={}", orderId);
         }
+
+        // 3. 更新医嘱明细状态为已发药（示例字段）
+        OrderDetail orderDetail = new OrderDetail();
+        orderDetail.setId(orderId);
+        orderDetail.setDispenseStatus("DISPENSED");
+        orderDetail.setDispenseTime(now);
+        orderDetailMapper.updateByPrimaryKeySelective(orderDetail);
     }
 
     /**
-     * 统一生成发药汇总单与明细单，确保数据强一致
+     * 根据明细列表构建汇总单对象。
+     *
+     * @param orderId   医嘱主键
+     * @param details   明细列表
+     * @param now       当前时间
+     * @return 汇总单实体
      */
-    private void createDispensingRecords(List<OrderDetail> orders) {
-        if (orders == null || orders.isEmpty()) return;
-
-        // 1. 生成汇总单
+    private DispensingSummary buildSummaryFromDetails(Long orderId,
+                                                       List<DispensingDetail> details,
+                                                       Date now) {
         DispensingSummary summary = new DispensingSummary();
-        summary.setCreateTime(new Date());
-        summary.setStatus(0); // 0:待配药
-        summary.setApplyDeptId(orders.get(0).getDeptId());
-        dispensingSummaryMapper.insert(summary);
+        summary.setOrderId(orderId);
+        summary.setCreateTime(now);
+        summary.setUpdateTime(now);
 
-        // 2. 生成明细单
-        for (OrderDetail order : orders) {
-            DispensingDetail detail = new DispensingDetail();
-            detail.setSummaryId(summary.getId());
-            detail.setOrderId(order.getId());
-            detail.setDrugId(order.getCatalogItemId());
-            detail.setQuantity(order.getQuantity());
-            detail.setStatus(0); // 0:待配药
-            detail.setCreateTime(new Date());
-            dispensingDetailMapper.insert(detail);
+        // 示例聚合：总数量、总金额（实际字段请根据实体定义调整）
+        int totalQty = 0;
+        double totalAmount = 0d;
+        for (DispensingDetail d : details) {
+            totalQty += (d.getQuantity() != null ? d.getQuantity() : 0);
+            totalAmount += (d.getAmount() != null ? d.getAmount() : 0d);
         }
+        summary.setTotalQuantity(totalQty);
+        summary.setTotalAmount(totalAmount);
+        return summary;
     }
+
+    // 其它业务方法保持不变...
 }