diff --git a/src/main/java/com/kamco/cd/training/train/service/TmpDatasetService.java b/src/main/java/com/kamco/cd/training/train/service/TmpDatasetService.java
index 183b87d..dbbbd45 100644
--- a/src/main/java/com/kamco/cd/training/train/service/TmpDatasetService.java
+++ b/src/main/java/com/kamco/cd/training/train/service/TmpDatasetService.java
@@ -181,10 +181,10 @@ public class TmpDatasetService {
 
               regularFiles++;
 
-              String dstName = id + "__" + f.getFileName();
+              String dstName = f.getFileName().toString();
               Path dst = tmp.resolve(type).resolve(part).resolve(dstName);
 
-              // dst가 남아있으면 삭제(심볼릭링크든 파일이든)
+              // dst가 남아있으면 삭제(심볼릭링크든 파일이든) 하고 다시만듬
               if (Files.exists(dst) || Files.isSymbolicLink(dst)) {
                 Files.delete(dst);
                 log.debug("deleted existing: {}", dst);