diff --git a/frontend/appflowy_flutter/lib/workspace/application/panes/panes_service.dart b/frontend/appflowy_flutter/lib/workspace/application/panes/panes_service.dart
index 07d39153b8f5..041cb3a4c41e 100644
--- a/frontend/appflowy_flutter/lib/workspace/application/panes/panes_service.dart
+++ b/frontend/appflowy_flutter/lib/workspace/application/panes/panes_service.dart
@@ -170,7 +170,7 @@ class PanesService {
           return node.children.first.copyWith(
             paneId: nanoid(),
             parent: node.parent,
-            sizeController: PaneSizeController.intial(),
+            sizeController: PaneSizeController(flex: node.sizeController.flex),
             tabs: Tabs(
               currentIndex: node.children.first.tabs.currentIndex,
               pageManagers: node.children.first.tabs.pageManagers,
diff --git a/frontend/appflowy_flutter/lib/workspace/application/tabs/tabs.dart b/frontend/appflowy_flutter/lib/workspace/application/tabs/tabs.dart
index 7eea10080f40..45312a9070f5 100644
--- a/frontend/appflowy_flutter/lib/workspace/application/tabs/tabs.dart
+++ b/frontend/appflowy_flutter/lib/workspace/application/tabs/tabs.dart
@@ -91,16 +91,6 @@ class Tabs extends ChangeNotifier {
     }
   }
 
-  void transferTab({required PageManager pm}) {
-    final selectExistingPlugin = _selectPluginIfOpen(pm.plugin.id);
-
-    if (!selectExistingPlugin) {
-      _pageManagers.add(PageManager()..setPlugin(pm.plugin));
-    }
-    currentIndex = _pageManagers.length - 1;
-    notifyListeners();
-  }
-
   void move({
     required PageManager from,
     required PageManager to,
@@ -136,6 +126,7 @@ class Tabs extends ChangeNotifier {
           }
       }
     }
+    setLatestOpenView();
     notifyListeners();
   }
 
diff --git a/frontend/appflowy_flutter/lib/workspace/presentation/home/panes/draggable_pane_item.dart b/frontend/appflowy_flutter/lib/workspace/presentation/home/panes/draggable_pane_item.dart
index 3f0a8382e1d9..c8de34007645 100644
--- a/frontend/appflowy_flutter/lib/workspace/presentation/home/panes/draggable_pane_item.dart
+++ b/frontend/appflowy_flutter/lib/workspace/presentation/home/panes/draggable_pane_item.dart
@@ -12,7 +12,7 @@ import 'package:vector_math/vector_math.dart' as math;
 import 'dart:math';
 import 'package:flutter/material.dart';
 
-//TODO(squidrye):refactor cross draggables and add edge cases
+//TODO(squidrye):refactor cross draggable
 enum FlowyDraggableHoverPosition { none, top, left, right, bottom, tab }
 
 class DraggablePaneItem extends StatefulWidget {
@@ -51,12 +51,7 @@ class _DraggablePaneItemState extends State<DraggablePaneItem> {
       },
       child: DraggableItem<CrossDraggablesEntity>(
         data: widget.pane,
-        onWillAccept: (data) =>
-            (data?.crossDraggableType == CrossDraggableType.pane &&
-                    (data?.draggable as PaneNode).paneId ==
-                        (widget.pane.draggable as PaneNode).paneId)
-                ? false
-                : true,
+        onWillAccept: (data) => _shouldAccept(data!, position),
         onMove: (data) {
           final renderBox = widget.paneContext.findRenderObject() as RenderBox;
           final offset = renderBox.globalToLocal(data.offset);
@@ -227,7 +222,7 @@ class _DraggablePaneItemState extends State<DraggablePaneItem> {
             fromTab.tabs.closeView(fromTab.pageManager.plugin.id);
             (to.draggable as PaneNode)
                 .tabs
-                .transferTab(pm: fromTab.pageManager);
+                .openView(fromTab.pageManager.plugin);
             return;
           }
         default: