diff --git a/filemgr/filemgr.py b/filemgr/filemgr.py
index ad58f27..08472f5 100644
--- a/filemgr/filemgr.py
+++ b/filemgr/filemgr.py
@@ -173,8 +173,13 @@ class FileMgr:
 	async def has_sub(self, sor, folderid):
 		sql = """select unique a.* from folder a 
     left join folder b on a.id = b.parentid 
+where a.id=${folderid}$
+	and b.id is not null
+union 
+select unique a.* from folder a
     left join file c on a.id=c.folderid 
-where id=${folderid}$"""
+where a.id=${folderid}$
+	and b.id is not null"""
 		recs = await sor.sqlExe(sql, {'folderid':folderid})
 		if recs:
 			return True