diff --git a/openhis-server-new/openhis-application/src/main/java/com/openhis/web/doctorstation/appservice/impl/DoctorStationMainAppServiceImpl.java b/openhis-server-new/openhis-application/src/main/java/com/openhis/web/doctorstation/appservice/impl/DoctorStationMainAppServiceImpl.java
index e2a76a5e5..b27f2f0bb 100755
--- a/openhis-server-new/openhis-application/src/main/java/com/openhis/web/doctorstation/appservice/impl/DoctorStationMainAppServiceImpl.java
+++ b/openhis-server-new/openhis-application/src/main/java/com/openhis/web/doctorstation/appservice/impl/DoctorStationMainAppServiceImpl.java
@@ -326,6 +326,9 @@ public class DoctorStationMainAppServiceImpl implements IDoctorStationMainAppSer
 
         // 如果队列项存在且未完成，更新队列状态为已完成
         // 使用排除法而非白名单：只要不是"已完成"就可以完诊，覆盖跳过、等待等非标准流转状态
+        // Bug #401：在更新前记录队列原始完成状态，用于判断是否需要写入 div_log
+        boolean queueWasAlreadyCompleted = queueItem != null
+            && TriageQueueStatus.COMPLETED.getValue().equals(queueItem.getStatus());
         if (queueItem != null &&
             !TriageQueueStatus.COMPLETED.getValue().equals(queueItem.getStatus())) {
             java.time.LocalDateTime nowLocal = java.time.LocalDateTime.now().truncatedTo(ChronoUnit.SECONDS);
@@ -343,10 +346,8 @@ public class DoctorStationMainAppServiceImpl implements IDoctorStationMainAppSer
         }
 
         // 写入 div_log 审计日志（独立于队列项，确保每次完诊都生成记录）
-        // 防重复：若队列项已是 COMPLETED 状态，说明护士站已处理过并写过分诊日志，不再重复写入
-        boolean queueAlreadyCompleted = queueItem != null
-            && TriageQueueStatus.COMPLETED.getValue().equals(queueItem.getStatus());
-        if (!queueAlreadyCompleted) {
+        // Bug #401：使用更新前记录的原始状态判断，避免自身更新后将状态改为 COMPLETED 导致误判为"已完成"
+        if (!queueWasAlreadyCompleted) {
             try {
                 LoginUser loginUser = SecurityUtils.getLoginUser();
                 DivLog divLog = new DivLog()