diff --git a/src/main/java/com/docus/server/collect/infrastructure/dao/DownloadTaskDao.java b/src/main/java/com/docus/server/collect/infrastructure/dao/DownloadTaskDao.java
index 3982827..18a0f16 100644
--- a/src/main/java/com/docus/server/collect/infrastructure/dao/DownloadTaskDao.java
+++ b/src/main/java/com/docus/server/collect/infrastructure/dao/DownloadTaskDao.java
@@ -76,4 +76,10 @@ public interface DownloadTaskDao extends IBaseDao<DownloadTask> {
      * @return com.docus.server.collect.entity.TSeal
      */
     TSeal findSealByCondition(TSeal seal);
+
+    boolean existIdFromSanAssort(Long fileId);
+
+    boolean existIdFromDownfile(Long fileId);
+
+    boolean existIdFromDownloadTask(Long fileId);
 }
diff --git a/src/main/java/com/docus/server/collect/infrastructure/dao/impl/DownloadTaskDaoImpl.java b/src/main/java/com/docus/server/collect/infrastructure/dao/impl/DownloadTaskDaoImpl.java
index 006f784..9fb0c14 100644
--- a/src/main/java/com/docus/server/collect/infrastructure/dao/impl/DownloadTaskDaoImpl.java
+++ b/src/main/java/com/docus/server/collect/infrastructure/dao/impl/DownloadTaskDaoImpl.java
@@ -66,4 +66,25 @@ public class DownloadTaskDaoImpl extends BaseDaoImpl<DownloadTaskMapper, Downloa
     public TSeal findSealByCondition(TSeal seal) {
         return baseMapper.findSealByCondition(seal);
     }
+
+    @Override
+    public boolean existIdFromSanAssort(Long fileId) {
+        Long id = baseMapper.getFileIdFromSanAssort(fileId);
+        return id != null;
+    }
+
+    @Override
+    public boolean existIdFromDownfile(Long fileId) {
+        Long id = baseMapper.getFileIdFromDownfile(fileId);
+        return id != null;
+    }
+
+    @Override
+    public boolean existIdFromDownloadTask(Long fileId) {
+        LambdaQueryWrapper<DownloadTask> wrapper = new LambdaQueryWrapper<>();
+        wrapper.select(DownloadTask::getId);
+        wrapper.eq(DownloadTask::getId, fileId);
+        DownloadTask downloadTask = baseMapper.selectOne(wrapper);
+        return downloadTask != null;
+    }
 }
diff --git a/src/main/java/com/docus/server/collect/infrastructure/mapper/DownloadTaskMapper.java b/src/main/java/com/docus/server/collect/infrastructure/mapper/DownloadTaskMapper.java
index cd908f0..17772fd 100644
--- a/src/main/java/com/docus/server/collect/infrastructure/mapper/DownloadTaskMapper.java
+++ b/src/main/java/com/docus/server/collect/infrastructure/mapper/DownloadTaskMapper.java
@@ -67,4 +67,9 @@ public interface DownloadTaskMapper extends BaseMapper<DownloadTask> {
      * @author YongBin Wen
      */
     TSeal findSealByCondition(@Param("seal") TSeal seal);
+
+
+    Long getFileIdFromDownfile(@Param("fileId") Long fileId);
+
+    Long getFileIdFromSanAssort(@Param("fileId") Long fileId);
 }
diff --git a/src/main/java/com/docus/server/collect/service/impl/FileReportServiceImpl.java b/src/main/java/com/docus/server/collect/service/impl/FileReportServiceImpl.java
index 3d0088b..a301802 100644
--- a/src/main/java/com/docus/server/collect/service/impl/FileReportServiceImpl.java
+++ b/src/main/java/com/docus/server/collect/service/impl/FileReportServiceImpl.java
@@ -59,7 +59,7 @@ public class FileReportServiceImpl implements FileReportService {
         // 转换下载任务对象
         DownloadTask downloadTask = fileReportConverter.convertDownloadTask(fileInfoDTO, 0);
         // 查询旧的下载任务id,更新/保存任务信息
-        Long downloadTaskId = Optional.ofNullable(getDownloadTaskId(downloadTask)).orElse(idService.getDateSeq());
+        Long downloadTaskId = Optional.ofNullable(getDownloadTaskId(downloadTask)).orElse(getNewFileId());
         downloadTask.setId(downloadTaskId);
         downloadTaskDao.saveOrUpdate(downloadTask);
         report(downloadTask);
@@ -78,12 +78,29 @@ public class FileReportServiceImpl implements FileReportService {
         // 转换下载任务对象
         DownloadTask downloadTask = fileReportConverter.convertDownloadTask(fileInfoDTO, 2);
         // 查询旧的下载任务id,更新/保存任务信息
-        Long downloadTaskId = Optional.ofNullable(getDownloadTaskId(downloadTask)).orElse(idService.getDateSeq());
+        Long downloadTaskId = Optional.ofNullable(getDownloadTaskId(downloadTask)).orElse(getNewFileId());
         downloadTask.setId(downloadTaskId);
         downloadTaskDao.saveOrUpdate(downloadTask);
         reportSeal(downloadTask);
     }
 
+    /**
+     * 获取一个新的文件id，从下载表，下载任务表，文件表判断，不存在三个表里的文件id
+     */
+    private Long getNewFileId() {
+        Long fileId = idService.getDateSeq();
+
+        while (true) {
+            boolean existIdFromSanAssort = downloadTaskDao.existIdFromSanAssort(fileId);
+            boolean existIdFromDownfile = downloadTaskDao.existIdFromDownfile(fileId);
+            boolean existIdFromDownloadTask = downloadTaskDao.existIdFromDownloadTask(fileId);
+            if (!existIdFromSanAssort && !existIdFromDownfile && !existIdFromDownloadTask) {
+                return fileId;
+            }
+            fileId = fileId + 16;
+        }
+    }
+
     @Override
     public Long getDownloadTaskId(DownloadTask downloadTask) {
         String patientId = downloadTask.getPatientId();
diff --git a/src/main/resources/mapper/TBasicMapper.xml b/src/main/resources/mapper/TBasicMapper.xml
index 2804424..60371df 100644
--- a/src/main/resources/mapper/TBasicMapper.xml
+++ b/src/main/resources/mapper/TBasicMapper.xml
@@ -130,5 +130,12 @@
             AND patient_id=#{seal.patientId}
         </if>
     </select>
+    <select id="getFileIdFromDownfile" resultType="java.lang.Long">
+        select  `t_scan_assort_id` from  `docus_archivefile`.`af_downfile` where  `t_scan_assort_id`=#{fileId} LIMIT 1
+    </select>
+    <select id="getFileIdFromSanAssort" resultType="java.lang.Long">
+        select id from  `docus_archivefile`.`t_scan_assort` where id=#{fileId}
+    </select>
+
 
 </mapper>