diff --git a/code/mindolph-fx/src/main/java/com/mindolph/fx/MainController.java b/code/mindolph-fx/src/main/java/com/mindolph/fx/MainController.java
index 0eb6b350..47d67b94 100644
--- a/code/mindolph-fx/src/main/java/com/mindolph/fx/MainController.java
+++ b/code/mindolph-fx/src/main/java/com/mindolph/fx/MainController.java
@@ -144,9 +144,6 @@ public class MainController extends BaseController implements Initializable,
     public void initialize(URL location, ResourceBundle resources) {
         log.info("initialize main scene controller");
         menuBar.setUseSystemMenuBar(true);
-        collectionToggleGroup = new ToggleGroup();
-        rmiCollectionDefault.setToggleGroup(collectionToggleGroup);
-        rmiCollectionDefault.setUserData("default");
 
         // handle the file collections.
         this.loadCollections();
@@ -210,7 +207,7 @@ public void initialize(URL location, ResourceBundle resources) {
 
         EventBus.getIns().subscribeLocateInWorkspace(nodeData -> {
             splitPane.showAll(); // show project view if hidden
-            log.debug("Select file in workspace view: " + nodeData.getFile());
+            log.debug("Select file in workspace view: %s".formatted(nodeData.getFile()));
             Platform.runLater(() -> {
                 tabWorkspaces.getTabPane().getSelectionModel().select(tabWorkspaces);
                 workspaceView.selectByNodeDataInAppropriateWorkspace(nodeData);
@@ -274,6 +271,11 @@ public void onWorkspacesRestore(WorkspaceList workspaceList) {
      * @since 1.9.x
      */
     private void loadCollections() {
+        collectionToggleGroup = new ToggleGroup();
+        rmiCollectionDefault = new RadioMenuItem("default");
+        rmiCollectionDefault.setToggleGroup(collectionToggleGroup);
+        menuCollections.getItems().add(rmiCollectionDefault);
+
         Map<String, List<String>> fileCollectionMap = this.cm.getFileCollectionMap();
         if (fileCollectionMap.isEmpty()) {
             // init the default collection from opened file list for the first time.
diff --git a/code/mindolph-fx/src/main/resources/main.fxml b/code/mindolph-fx/src/main/resources/main.fxml
index 1c2661c8..6db88f25 100644
--- a/code/mindolph-fx/src/main/resources/main.fxml
+++ b/code/mindolph-fx/src/main/resources/main.fxml
@@ -139,7 +139,6 @@
                 <MenuItem onAction="#onSaveCollection" text="Save Collection"/>
                 <MenuItem onAction="#onRemoveCollection" text="Remove Collection"/>
                 <SeparatorMenuItem/>
-                <RadioMenuItem fx:id="rmiCollectionDefault" onAction="#onDefaultCollection" text="default" selected="true"/>
             </Menu>
             <Menu mnemonicParsing="true" text="_Help">
                 <MenuItem mnemonicParsing="true" onAction="#onMenuShortcuts" text="_Key Reference..."/>