diff --git a/data/src/main/java/com/sdm/data/model/req/SimulationParameterItem.java b/data/src/main/java/com/sdm/data/model/req/SimulationParameterItem.java
index a0997d54..02a8b601 100644
--- a/data/src/main/java/com/sdm/data/model/req/SimulationParameterItem.java
+++ b/data/src/main/java/com/sdm/data/model/req/SimulationParameterItem.java
@@ -18,7 +18,7 @@ public class SimulationParameterItem {
     private String description;
 
     @Schema(description = "创建人")
-    private Long creatorId;
+    private String creatorId;
 
     @Schema(description = "创建时间")
     private String createTime;
diff --git a/data/src/main/java/com/sdm/data/service/impl/SimulationParameterLibraryServiceImpl.java b/data/src/main/java/com/sdm/data/service/impl/SimulationParameterLibraryServiceImpl.java
index 9d5af2de..e89e8dfe 100644
--- a/data/src/main/java/com/sdm/data/service/impl/SimulationParameterLibraryServiceImpl.java
+++ b/data/src/main/java/com/sdm/data/service/impl/SimulationParameterLibraryServiceImpl.java
@@ -341,11 +341,11 @@ public class SimulationParameterLibraryServiceImpl extends ServiceImpl<Simulatio
                     // 将 List<Long> userIds 转成set
                     Set<Long> userIdsSet = new HashSet<>();
                     for (Map<String, Object> map : parameterJsonValueFromJsonNode) {
-                        userIdsSet.add((Long) map.get("creatorId"));
+                        userIdsSet.add(Long.valueOf((String) map.get("creatorId")));
                     }
                     Map<Long, String> longStringMap = userNameCacheService.batchGetUserNames(userIdsSet);
                     for (Map<String, Object> map : parameterJsonValueFromJsonNode) {
-                        map.put("createName", longStringMap.get((Long) map.get("creatorId")));
+                        map.put("createName", longStringMap.get(Long.valueOf((String) map.get("creatorId"))));
                         simulationParameterLibraryCategoryObjectResp.setCreateTime(simulationParameterLibraryCategoryObject.getCreateTime());
                     }
                 }
@@ -486,7 +486,7 @@ public class SimulationParameterLibraryServiceImpl extends ServiceImpl<Simulatio
             // 给页面上新增的对象参数添加创建人和时间
             req.getParameterList().forEach(item -> {
                 if (item.getCreatorId() == null) {
-                    item.setCreatorId(ThreadLocalContext.getUserId());
+                    item.setCreatorId(String.valueOf(ThreadLocalContext.getUserId()));
                     item.setCreateTime(DateUtils.format(new Date(), DateUtils.PATTERN_DEFAULT));
                 }
             });
diff --git a/data/src/main/resources/mapper/FileStorageMapper.xml b/data/src/main/resources/mapper/FileStorageMapper.xml
index 37dc288a..977513d8 100644
--- a/data/src/main/resources/mapper/FileStorageMapper.xml
+++ b/data/src/main/resources/mapper/FileStorageMapper.xml
@@ -157,8 +157,7 @@
 
     <select id="selectBigFiles" resultType="com.sdm.data.model.entity.FileStorage">
         SELECT
-        distinct
-        file_storage.fileName,file_storage.fileId,file_storage.userGroupId,file_storage.userId,file_storage.fileSuffix,file_storage.updateTime
+        file_storage.fileName,file_storage.fileId,file_storage.userGroupId,file_storage.userId,file_storage.fileSuffix
         FROM file_metadata_info
         inner join file_storage on file_storage.fileId = file_metadata_info.id
         <where>
@@ -208,7 +207,8 @@
                     #{userId}
                 </foreach>
             </if>
-            order by file_storage.updateTime desc
         </where>
+        GROUP BY file_storage.fileName, file_storage.fileId, file_storage.userGroupId, file_storage.userId, file_storage.fileSuffix
+        order by MAX(file_storage.updateTime) desc
     </select>
 </mapper>
\ No newline at end of file