diff --git a/common/src/main/java/com/sdm/common/feign/impl/data/FileSimulationMappingFeignClientImpl.java b/common/src/main/java/com/sdm/common/feign/impl/data/FileSimulationMappingFeignClientImpl.java
index 5492d343..892328ac 100644
--- a/common/src/main/java/com/sdm/common/feign/impl/data/FileSimulationMappingFeignClientImpl.java
+++ b/common/src/main/java/com/sdm/common/feign/impl/data/FileSimulationMappingFeignClientImpl.java
@@ -43,8 +43,8 @@ public class FileSimulationMappingFeignClientImpl implements IFileSimulationMapp
     }
 
     @Override
-    public  SdmResponse<Map<String, Map<Integer, List<FileMetadataInfoResp>>>> batchGetFileSimulationMappingBySimulationPoolIdAndVersion(GetFileSimulationMappingReq getFileSimulationMappingReq) {
-        SdmResponse<Map<String, Map<Integer, List<FileMetadataInfoResp>>>> response;
+    public SdmResponse<Map<String, List<FileMetadataInfoResp>>> batchGetFileSimulationMappingBySimulationPoolIdAndVersion(GetFileSimulationMappingReq getFileSimulationMappingReq) {
+        SdmResponse<Map<String, List<FileMetadataInfoResp>>> response;
         try {
             response = fileSimulationMappingFeignClient.batchGetFileSimulationMappingBySimulationPoolIdAndVersion(getFileSimulationMappingReq);
             log.info("查询工况库关系文件结果："+ response);
diff --git a/common/src/main/java/com/sdm/common/feign/inter/data/IFileSimulationMappingFeignClient.java b/common/src/main/java/com/sdm/common/feign/inter/data/IFileSimulationMappingFeignClient.java
index 3211fc29..b1b149cb 100644
--- a/common/src/main/java/com/sdm/common/feign/inter/data/IFileSimulationMappingFeignClient.java
+++ b/common/src/main/java/com/sdm/common/feign/inter/data/IFileSimulationMappingFeignClient.java
@@ -21,7 +21,7 @@ public interface IFileSimulationMappingFeignClient {
     SdmResponse<List<FileMetadataInfoResp>> getFileSimulationMappingBySimulationPoolIdAndVersionAndTaskId(@RequestBody GetFileSimulationMappingReq getFileSimulationMappingReq);
 
     @PostMapping("/fileSimulationMapping/batchGetFileSimulationMappingBySimulationPoolIdAndVersion")
-    SdmResponse<Map<String, Map<Integer, List<FileMetadataInfoResp>>>> batchGetFileSimulationMappingBySimulationPoolIdAndVersion(@RequestBody GetFileSimulationMappingReq getFileSimulationMappingReq);
+    SdmResponse<Map<String, List<FileMetadataInfoResp>>> batchGetFileSimulationMappingBySimulationPoolIdAndVersion(@RequestBody GetFileSimulationMappingReq getFileSimulationMappingReq);
 
     @PostMapping("/fileSimulationMapping/deleteFileSimulationMapping")
     SdmResponse deleteFileSimulationMapping(@RequestBody List<DeleteFileSimulationMappingReq> deleteFileSimulationMappingReqs);
diff --git a/data/src/main/java/com/sdm/data/controller/FileSimulationMappingController.java b/data/src/main/java/com/sdm/data/controller/FileSimulationMappingController.java
index 770b21b5..32677783 100644
--- a/data/src/main/java/com/sdm/data/controller/FileSimulationMappingController.java
+++ b/data/src/main/java/com/sdm/data/controller/FileSimulationMappingController.java
@@ -57,7 +57,7 @@ public class FileSimulationMappingController implements IFileSimulationMappingFe
      * @return taskFileMapping; key: 工况任务 ID; value: 文件信息列表
      */
     @PostMapping("/batchGetFileSimulationMappingBySimulationPoolIdAndVersion")
-    public  SdmResponse<Map<String, Map<Integer, List<FileMetadataInfoResp>>>> batchGetFileSimulationMappingBySimulationPoolIdAndVersion(@RequestBody GetFileSimulationMappingReq getFileSimulationMappingReq){
+    public SdmResponse<Map<String, List<FileMetadataInfoResp>>> batchGetFileSimulationMappingBySimulationPoolIdAndVersion(@RequestBody GetFileSimulationMappingReq getFileSimulationMappingReq){
         return fileSimulationMappingService.batchGetFileSimulationMappingBySimulationPoolIdAndVersion(getFileSimulationMappingReq);
     }
 
diff --git a/data/src/main/java/com/sdm/data/service/IFileSimulationMappingService.java b/data/src/main/java/com/sdm/data/service/IFileSimulationMappingService.java
index d53b9c7b..35b5da3d 100644
--- a/data/src/main/java/com/sdm/data/service/IFileSimulationMappingService.java
+++ b/data/src/main/java/com/sdm/data/service/IFileSimulationMappingService.java
@@ -32,9 +32,9 @@ public interface IFileSimulationMappingService extends IService<FileSimulationMa
     /**
      * 根据工况库 ID，版本号批量查询文件信息
      * @param getFileSimulationMappingReq
-     * @return taskFileMapping; key: 工况任务 ID; value: 文件信息列表; innerKey: 文件夹 dirType; innerValue: 文件信息列表
+     * @return taskFileMapping; key: 工况任务 ID; value: 文件信息列表
      */
-    SdmResponse<Map<String, Map<Integer, List<FileMetadataInfoResp>>>>  batchGetFileSimulationMappingBySimulationPoolIdAndVersion(GetFileSimulationMappingReq getFileSimulationMappingReq);
+    SdmResponse<Map<String, List<FileMetadataInfoResp>>>  batchGetFileSimulationMappingBySimulationPoolIdAndVersion(GetFileSimulationMappingReq getFileSimulationMappingReq);
 
     /**
      * 根据文件 id 查询绑定的工况 Pool 的 ID 和工况任务 ID
diff --git a/data/src/main/java/com/sdm/data/service/impl/FileSimulationMappingServiceImpl.java b/data/src/main/java/com/sdm/data/service/impl/FileSimulationMappingServiceImpl.java
index 4ec3ea90..68ec0389 100644
--- a/data/src/main/java/com/sdm/data/service/impl/FileSimulationMappingServiceImpl.java
+++ b/data/src/main/java/com/sdm/data/service/impl/FileSimulationMappingServiceImpl.java
@@ -91,11 +91,11 @@ public class FileSimulationMappingServiceImpl extends ServiceImpl<FileSimulation
     }
 
     @Override
-    public SdmResponse<Map<String, Map<Integer, List<FileMetadataInfoResp>>>> batchGetFileSimulationMappingBySimulationPoolIdAndVersion(GetFileSimulationMappingReq getFileSimulationMappingReq) {
+    public SdmResponse<Map<String, List<FileMetadataInfoResp>>> batchGetFileSimulationMappingBySimulationPoolIdAndVersion(GetFileSimulationMappingReq getFileSimulationMappingReq) {
         List<FileSimulationMapping> list = this.lambdaQuery().eq(FileSimulationMapping::getSimulationPoolId, getFileSimulationMappingReq.getSimulationPoolId())
                 .eq(FileSimulationMapping::getSimulationPoolVersion, getFileSimulationMappingReq.getSimulationPoolVersion())
                 .list();
-        Map<String, Map<Integer, List<FileMetadataInfoResp>>>  map = new HashMap<>();
+        Map<String, List<FileMetadataInfoResp>>  map = new HashMap<>();
         if (list.isEmpty()) {
             SdmResponse response = SdmResponse.success();
             response.setData(map);
@@ -145,27 +145,10 @@ public class FileSimulationMappingServiceImpl extends ServiceImpl<FileSimulation
         });
 
         Map<Long, FileMetadataInfoResp> fileId2Filemeta = fileMetadataInfoResps.stream().collect(Collectors.toMap(FileMetadataInfoResp::getId, file -> file));
-        // list 依据工况任务 id  simulationPoolTaskId 对 fileId 分组，用 fileId2Filemeta 替换分组的内容
-        // 然后再对每个 taskId 下的文件列表按照父文件夹的 dirType 再次分组
-        Map<String, Map<Integer, List<FileMetadataInfoResp>>> simulationPoolTaskId2Files = list.stream()
-                .collect(Collectors.groupingBy(
-                        FileSimulationMapping::getSimulationPoolTaskId,
-                        Collectors.mapping(
-                                fileSimu -> fileId2Filemeta.get(fileSimu.getFileId()),
-                                Collectors.groupingBy(
-                                        file -> {
-                                            // 通过 hierarchyResult.parentCacheMap 获取文件所在文件夹的 dirType
-                                            if (file == null || file.getParentId() == null) {
-                                                return null; // 根目录或无父级的文件
-                                            }
-                                            FileMetadataInfo parentDir = hierarchyResult.getParentCacheMap().get(file.getParentId());
-                                            return parentDir != null ? parentDir.getDirType() : null;
-                                        },
-                                        Collectors.toList()
-                                )
-                        )
-                ));
-        
+        // list 依据工况任务id  simulationPoolTaskId 对fileId分组，用fileId2Filemeta替换分组的内容
+        Map<String, List<FileMetadataInfoResp>> simulationPoolTaskId2Files = list.stream().collect(Collectors.groupingBy(FileSimulationMapping::getSimulationPoolTaskId,
+                Collectors.mapping(fileSimu -> fileId2Filemeta.get(fileSimu.getFileId()), Collectors.toList())));
+
         return SdmResponse.success(simulationPoolTaskId2Files);
     }