diff --git a/src/zall/bean/Folder.java b/src/zall/bean/Folder.java
index 6ee98ac..a22197c 100755
--- a/src/zall/bean/Folder.java
+++ b/src/zall/bean/Folder.java
@@ -24,7 +24,7 @@ public class Folder extends DBBean{
 	private static final Logger logger = LogUtil.getLogger();
 
 	private transient String name;
-	protected Long user;
+	protected long user = -1;
 	protected transient User userInstance;
 	private String path;
 	protected Folder parent;
@@ -139,7 +139,7 @@ public class Folder extends DBBean{
 			return null;
 		}
 		
-		if( user == null || filename == null )
+		if( user >= 0 || filename == null )
 			return null;
 		StringBuilder tmp = new StringBuilder();