diff --git a/bonus-modules/bonus-ai/src/main/java/com/bonus/ai/service/Impl/DataSetBasicFileServiceImpl.java b/bonus-modules/bonus-ai/src/main/java/com/bonus/ai/service/Impl/DataSetBasicFileServiceImpl.java
index 39fb114..557363a 100644
--- a/bonus-modules/bonus-ai/src/main/java/com/bonus/ai/service/Impl/DataSetBasicFileServiceImpl.java
+++ b/bonus-modules/bonus-ai/src/main/java/com/bonus/ai/service/Impl/DataSetBasicFileServiceImpl.java
@@ -145,7 +145,23 @@ public class DataSetBasicFileServiceImpl implements DataSetBasicFileService {
     @Override
     public AjaxResult deleteDataSetBasicFileByFileIds(Long[] fileIds) {
         try {
+            for (Long fileId : fileIds) {
+                DataSetBasicFileEntity entity = dataSetBasicFileMapper.selectDataSetBasicFile(fileId);
+                DataSetBasicFileEntity basicFile = new DataSetBasicFileEntity();
+                int num = getNumberFromFileName(entity.getFileName());
+                do {
+                    basicFile = dataSetBasicFileMapper.selectDataSetBasicFileByFileName(entity.getParentId(), entity.getFileName());
+                    // 如果存在，则修改文件名并递增 num
+                    if (ObjectUtils.isNotEmpty(basicFile)) {
+                        num++;  // 递增 num
+                        entity.setFileName(changeNumberInName(entity.getFileName(), num));
 
+                    }
+                } while (ObjectUtils.isNotEmpty(basicFile));
+                entity.setDelFlag("0");
+                entity.setCreateBy(SecurityUtils.getUserId().toString());
+                dataSetBasicFileMapper.updateDataSetBasicFile(entity);
+            }
             int rows = dataSetBasicFileMapper.deleteDataSetBasicFileByFileIds(fileIds);
             return rows > 0 ? AjaxResult.success() : AjaxResult.error();
         } catch (Exception e) {