diff --git a/src/main/java/com/biutag/supervision/repository/complaintCollection/ComplaintCollectionResourceService.java b/src/main/java/com/biutag/supervision/repository/complaintCollection/ComplaintCollectionResourceService.java
index 4ff8402..e2c640e 100644
--- a/src/main/java/com/biutag/supervision/repository/complaintCollection/ComplaintCollectionResourceService.java
+++ b/src/main/java/com/biutag/supervision/repository/complaintCollection/ComplaintCollectionResourceService.java
@@ -75,7 +75,29 @@ public class ComplaintCollectionResourceService extends BaseDAO {
      * @return
      */
     public boolean updateSelectiveById(ComplaintCollectionUpdateParam param) {
-        // 防御
+        return doUpdateSelective(param, true);
+    }
+
+    /**
+     * 更新非空字段（用于定时任务，自动同步场景）
+     * - updateBy 固定为 "自动同步"
+     * - updateTime 为当前时间
+     *
+     * @param param 更新参数
+     * @return 是否更新成功
+     */
+    public boolean updateSelectiveByIdForJob(ComplaintCollectionUpdateParam param) {
+        return doUpdateSelective(param, false);
+    }
+
+    /**
+     * 通用更新逻辑
+     *
+     * @param param 更新参数
+     * @param useCurrentUser 是否使用当前登录用户作为操作人
+     * @return 是否更新成功
+     */
+    private boolean doUpdateSelective(ComplaintCollectionUpdateParam param, boolean useCurrentUser) {
         String id = param.getId();
         if (StrUtil.isBlank(id)) {
             throw new RuntimeException("更新id不能为空");
@@ -137,7 +159,6 @@ public class ComplaintCollectionResourceService extends BaseDAO {
         if (param.getCheckStatusDesc()!=null){
             uw.set(ComplaintCollection::getCheckStatusDesc, param.getCheckStatusDesc());
         }
-        // 3) 非 String 字段：!= null 才更新
         if (param.getDiscoveryTime() != null) {
             uw.set(ComplaintCollection::getDiscoveryTime, param.getDiscoveryTime());
         }
@@ -177,7 +198,12 @@ public class ComplaintCollectionResourceService extends BaseDAO {
         if (param.getBlameSyncStatus()!=null){
             uw.set(ComplaintCollection::getBlameSyncStatus, param.getBlameSyncStatus());
         }
-        uw.set(ComplaintCollection::getUpdateBy, UserContextHolder.getCurrentUser().getUserName());
+        // 操作人：useCurrentUser=true时使用当前登录用户，false时使用"自动同步"
+        if (useCurrentUser) {
+            uw.set(ComplaintCollection::getUpdateBy, UserContextHolder.getCurrentUser().getUserName());
+        } else {
+            uw.set(ComplaintCollection::getUpdateBy, "自动同步");
+        }
         uw.set(ComplaintCollection::getUpdateTime, LocalDateTime.now());
         uw.set(StrUtil.isNotBlank(param.getInitWorkDes()), ComplaintCollection::getInitWorkDes, param.getInitWorkDes());
         uw.set(StrUtil.isNotBlank(param.getInitProblemPlan()),  ComplaintCollection::getInitProblemPlan, param.getInitProblemPlan());
diff --git a/src/main/java/com/biutag/supervision/service/MailBoxCaptureService.java b/src/main/java/com/biutag/supervision/service/MailBoxCaptureService.java
index 1c1cede..0fd06df 100644
--- a/src/main/java/com/biutag/supervision/service/MailBoxCaptureService.java
+++ b/src/main/java/com/biutag/supervision/service/MailBoxCaptureService.java
@@ -598,7 +598,7 @@ public class MailBoxCaptureService {
         complaintCollectionUpdateParam.setId(cc.getId());
         complaintCollectionUpdateParam.setBlameSyncStatus("1");
         complaintCollectionUpdateParam.setPublicRecognition(cc.getPublicRecognition());
-        boolean updated = complaintCollectionResourceService.updateSelectiveById(complaintCollectionUpdateParam);
+        boolean updated = complaintCollectionResourceService.updateSelectiveByIdForJob(complaintCollectionUpdateParam);
         if (!updated) {
             throw new RuntimeException("更新blameSyncStatus失败: ccId=" + cc.getId());
         }
@@ -898,7 +898,7 @@ public class MailBoxCaptureService {
         updateParam.setGwf3(initialReviewStatus);
         updateParam.setInitWorkDes(extension.getExtensionReason());
         updateParam.setInitFile(extension.getInitialVerifyAttachments());
-        complaintCollectionResourceService.updateSelectiveById(updateParam);
+        complaintCollectionResourceService.updateSelectiveByIdForJob(updateParam);
     }
 
     /**
@@ -958,7 +958,7 @@ public class MailBoxCaptureService {
         updateParam.setGwf2(String.valueOf(submitCompletionTime));
         updateParam.setGwf3(initialReviewStatus);
         updateParam.setInitWorkDes("直接办结");
-        complaintCollectionResourceService.updateSelectiveById(updateParam);
+        complaintCollectionResourceService.updateSelectiveByIdForJob(updateParam);
 
         log.debug("【延期同步】无延期记录，初核状态计算完成：originId={}, status={}",
                 originId, initialReviewStatus);