diff --git a/demo-edit-es-module/src/main/java/org/sudu/experiments/diff/RemoteFolderDiffWindow.java b/demo-edit-es-module/src/main/java/org/sudu/experiments/diff/RemoteFolderDiffWindow.java
index 5a3e1b7bf..75c91ca6c 100644
--- a/demo-edit-es-module/src/main/java/org/sudu/experiments/diff/RemoteFolderDiffWindow.java
+++ b/demo-edit-es-module/src/main/java/org/sudu/experiments/diff/RemoteFolderDiffWindow.java
@@ -177,6 +177,7 @@ private void update(JsArray<JSObject> jsResult) {
   }
 
   private void onDiffApplied(JsArray<JSObject> jsResult) {
+    LoggingJs.info("RemoteFolderDiffWindow.onDiffApplied");
     var msg = BackendMessage.deserialize(jsResult);
     rootModel.update(msg.root);
     updateNodes(leftRoot, rightRoot, rootModel);
@@ -589,6 +590,7 @@ private void sendApplyDiff(FolderDiffModel model, boolean left) {
     result.set(1, JsCast.jsInts(left ? 0 : 1));
     result.push(DiffModelChannelUpdater.APPLY_DIFF_ARRAY);
     channel.sendMessage(result);
+    LoggingJs.info("RemoteFolderDiffWindow.sendApplyDiff");
   }
 
   void fileDiffMade(FolderDiffModel dModel, boolean left, Model model) {
diff --git a/demo-edit/src/main/java/org/sudu/experiments/diff/folder/ItemFolderDiffModel.java b/demo-edit/src/main/java/org/sudu/experiments/diff/folder/ItemFolderDiffModel.java
index 816ca1c0d..b1b8821d1 100644
--- a/demo-edit/src/main/java/org/sudu/experiments/diff/folder/ItemFolderDiffModel.java
+++ b/demo-edit/src/main/java/org/sudu/experiments/diff/folder/ItemFolderDiffModel.java
@@ -29,7 +29,7 @@ public ItemFolderDiffModel parent() {
   public ItemFolderDiffModel findNeedUpdate(Deque<ItemFolderDiffModel> paths) {
     if (parent == null) return this;
     int diffType = getDiffType();
-    if ((diffType == DiffTypes.DEFAULT || diffType == DiffTypes.EDITED) && countItems() < 2) {
+    if (this.isFile() || (diffType == DiffTypes.DEFAULT || diffType == DiffTypes.EDITED) && countItems() < 2) {
       paths.addFirst(this);
       return parent().findNeedUpdate(paths);
     }
@@ -37,11 +37,15 @@ public ItemFolderDiffModel findNeedUpdate(Deque<ItemFolderDiffModel> paths) {
   }
 
   public void setItems(FsItem left, FsItem right) {
+    if (!path.equals(left.getName()) || !path.equals(right.getName()))
+      System.out.println("Set items: " + left.getName() + " & " + right.getName() + " to " + path);
     items[0] = left;
     items[1] = right;
   }
 
   public void setItem(FsItem item) {
+    if (!path.equals(item.getName()))
+      System.out.println("Set item: " + item.getName() + " to " + path);
     if (isLeftOnly()) items[0] = item;
     else if (isRightOnly()) items[1] = item;
   }
diff --git a/filediff-node-module/src/main/java/org/sudu/experiments/update/RemoteCollector.java b/filediff-node-module/src/main/java/org/sudu/experiments/update/RemoteCollector.java
index bdad5d26f..532a926e0 100644
--- a/filediff-node-module/src/main/java/org/sudu/experiments/update/RemoteCollector.java
+++ b/filediff-node-module/src/main/java/org/sudu/experiments/update/RemoteCollector.java
@@ -107,6 +107,7 @@ public void applyDiff(int[] path, boolean left) {
     lastFrontendMessage.collectPath(path, pathWriter, root, left);
 
     Runnable updateModel = () -> {
+      LoggingJs.info("RemoteCollector.applyDiff.updateModel");
       if (isDeleteDiff) {
         var node = lastFrontendMessage.findNode(path);
         var parentNode = lastFrontendMessage.findParentNode(path);
@@ -143,7 +144,8 @@ private void updateModelItems(ItemFolderDiffModel model, boolean left) {
       sb.append(path);
       st += path.length();
     }
-
+    LoggingJs.info("Upd Model: " + updModel.path);
+    LoggingJs.info("Send reread");
     executor.sendToWorker(true,
         (res) -> updateNode(updModel, !left, updModelPath, res),
         DiffUtils.REREAD_FOLDER,
@@ -152,6 +154,7 @@ private void updateModelItems(ItemFolderDiffModel model, boolean left) {
   }
 
   private void updateNode(ItemFolderDiffModel updModel, boolean left, Deque<ItemFolderDiffModel> updModelPath, Object[] result) {
+    LoggingJs.info("RemoteCollector.updateNode");
     int[] ints = ((ArrayView) result[0]).ints();
     ArrayReader reader = new ArrayReader(ints);
     Deque<FsItem> items = new LinkedList<>();