diff --git a/src/main/java/com/biutag/supervision/controller/data/ComplaintCollectionController.java b/src/main/java/com/biutag/supervision/controller/data/ComplaintCollectionController.java
index 32a330f..aa0cb5f 100644
--- a/src/main/java/com/biutag/supervision/controller/data/ComplaintCollectionController.java
+++ b/src/main/java/com/biutag/supervision/controller/data/ComplaintCollectionController.java
@@ -3,6 +3,7 @@ package com.biutag.supervision.controller.data;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.biutag.supervision.pojo.Result;
 import com.biutag.supervision.pojo.dto.complaintCollection.ComplaintCollectionPageDTO;
+import com.biutag.supervision.pojo.dto.complaintCollection.SyncExtensionRequestDto;
 import com.biutag.supervision.pojo.request.complaintCollection.*;
 import com.biutag.supervision.pojo.vo.complaintCollection.ComplaintCollectionDetailVo;
 import com.biutag.supervision.pojo.vo.complaintCollection.ComplaintCollectionMailRepeattVo;
@@ -80,7 +81,9 @@ public class ComplaintCollectionController {
             mailBoxCaptureService.syncBlameAndFiles(start, end);
         }
         if ("阶段3".equals(request.getPersonInfo())){
-            mailBoxCaptureService.syncExtension();
+            SyncExtensionRequestDto syncExtensionRequestDto = new SyncExtensionRequestDto();
+            syncExtensionRequestDto.setOriginId(request.getOriginId());
+            mailBoxCaptureService.syncExtension(syncExtensionRequestDto);
         }
         return Result.success(complaintCollectionService.getComplaintCollectionPageNew(request));
     }
diff --git a/src/main/java/com/biutag/supervision/job/MailBoxCaptureJob.java b/src/main/java/com/biutag/supervision/job/MailBoxCaptureJob.java
index a9127a5..3b47a2b 100644
--- a/src/main/java/com/biutag/supervision/job/MailBoxCaptureJob.java
+++ b/src/main/java/com/biutag/supervision/job/MailBoxCaptureJob.java
@@ -1,5 +1,6 @@
 package com.biutag.supervision.job;
 
+import com.biutag.supervision.pojo.dto.complaintCollection.SyncExtensionRequestDto;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.scheduling.annotation.Scheduled;
@@ -53,6 +54,7 @@ public class MailBoxCaptureJob {
      */
     @Scheduled(cron = "0 0 3 * * ?")
     public void syncExtension() {
-        mailBoxCaptureService.syncExtension();
+        SyncExtensionRequestDto syncExtensionRequestDto = new SyncExtensionRequestDto();
+        mailBoxCaptureService.syncExtension(syncExtensionRequestDto);
     }
 }
diff --git a/src/main/java/com/biutag/supervision/pojo/dto/complaintCollection/SyncExtensionRequestDto.java b/src/main/java/com/biutag/supervision/pojo/dto/complaintCollection/SyncExtensionRequestDto.java
new file mode 100644
index 0000000..2221973
--- /dev/null
+++ b/src/main/java/com/biutag/supervision/pojo/dto/complaintCollection/SyncExtensionRequestDto.java
@@ -0,0 +1,25 @@
+package com.biutag.supervision.pojo.dto.complaintCollection;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Getter;
+import lombok.Setter;
+
+import java.util.List;
+
+/**
+ * @ClassName SyncExtensionRequestDto
+ * @Description 初核信息同步请求DTO
+ * @Author shihao
+ * @Date 2026/5/9
+ */
+@Getter
+@Setter
+@Schema(description = "初核信息同步请求DTO")
+public class SyncExtensionRequestDto {
+
+    @Schema(description = "信件编号")
+    private String originId;
+
+    @Schema(description = "信件编号列表")
+    private List<String> originIds;
+}
\ No newline at end of file
diff --git a/src/main/java/com/biutag/supervision/service/MailBoxCaptureService.java b/src/main/java/com/biutag/supervision/service/MailBoxCaptureService.java
index 2e04585..d13917b 100644
--- a/src/main/java/com/biutag/supervision/service/MailBoxCaptureService.java
+++ b/src/main/java/com/biutag/supervision/service/MailBoxCaptureService.java
@@ -14,6 +14,7 @@ import com.biutag.supervision.mapper.MailBlameMapper;
 import com.biutag.supervision.mapper.MailExtensionMapper;
 import com.biutag.supervision.pojo.dto.MailBoxSyncDto;
 import com.biutag.supervision.pojo.dto.NegativeDataOnlyDto;
+import com.biutag.supervision.pojo.dto.complaintCollection.SyncExtensionRequestDto;
 import com.biutag.supervision.pojo.dto.mail.MailAttachmentDTO;
 import com.biutag.supervision.pojo.entity.*;
 import com.biutag.supervision.pojo.entity.mailbox.Mail;
@@ -747,13 +748,13 @@ public class MailBoxCaptureService {
      * - initWorkDes: 初核工作开展情况 <- extensionReason
      * - initFile: 初核附件 <- initialVerifyAttachments
      */
-    public void syncExtension() {
+    public void syncExtension(SyncExtensionRequestDto syncExtensionRequestDto) {
         log.info("【延期同步】开始执行延期信息同步任务");
         long startTimeMillis = System.currentTimeMillis();
 
         try {
             // 1. 查询所有局长信箱来源没有初核的记录
-            List<ComplaintCollection> mailBoxList = queryAllMailboxRecords();
+            List<ComplaintCollection> mailBoxList = queryAllMailboxRecords(syncExtensionRequestDto);
             if (CollectionUtil.isEmpty(mailBoxList)) {
                 log.info("【延期同步】无局长信箱记录");
                 return;
@@ -802,9 +803,11 @@ public class MailBoxCaptureService {
     /**
      * 查询所有局长信箱来源并初核情况是空的记录
      */
-    private List<ComplaintCollection> queryAllMailboxRecords() {
+    private List<ComplaintCollection> queryAllMailboxRecords(SyncExtensionRequestDto syncExtensionRequestDto) {
         LambdaQueryWrapper<ComplaintCollection> queryWrapper = new LambdaQueryWrapper<>();
-        queryWrapper.isNotNull(ComplaintCollection::getGwf3);
+        queryWrapper.eq(StrUtil.isNotBlank(syncExtensionRequestDto.getOriginId()), ComplaintCollection::getOriginId, syncExtensionRequestDto.getOriginId());
+        queryWrapper.in(CollectionUtil.isNotEmpty(syncExtensionRequestDto.getOriginIds()), ComplaintCollection::getOriginId, syncExtensionRequestDto.getOriginIds());
+        queryWrapper.eq(ComplaintCollection::getGwf3, ComplaintCollectionInitialEnum.UN_UPLOADED.getCode());
         queryWrapper.eq(ComplaintCollection::getProblemSourcesCode, ComplaintCollectionSourceTableEnum.MAYOR_MAILBOX.getCode());
         return complaintCollectionMapper.selectList(queryWrapper);
     }