diff --git a/frontend/.vscode/launch.json b/frontend/.vscode/launch.json
index 72d398e0fac56..317392654bb69 100644
--- a/frontend/.vscode/launch.json
+++ b/frontend/.vscode/launch.json
@@ -138,4 +138,4 @@
             "cwd": "${workspaceRoot}/appflowy_tauri/"
         },
     ]
-}
\ No newline at end of file
+}
diff --git a/frontend/appflowy_flutter/lib/plugins/database/application/tab_bar_bloc.dart b/frontend/appflowy_flutter/lib/plugins/database/application/tab_bar_bloc.dart
index 943f8ec20c5e4..e4eedd87fd0f6 100644
--- a/frontend/appflowy_flutter/lib/plugins/database/application/tab_bar_bloc.dart
+++ b/frontend/appflowy_flutter/lib/plugins/database/application/tab_bar_bloc.dart
@@ -52,7 +52,7 @@ class DatabaseTabBarBloc
             _createLinkedView(layout.layoutType, name ?? layout.layoutName);
           },
           deleteView: (String viewId) async {
-            final result = await ViewBackendService.delete(viewId: viewId);
+            final result = await ViewBackendService.deleteView(viewId: viewId);
             result.fold(
               (l) {},
               (r) => Log.error(r),
diff --git a/frontend/appflowy_flutter/lib/shared/feature_flags.dart b/frontend/appflowy_flutter/lib/shared/feature_flags.dart
index 31e61ebb08578..2c727a8d464df 100644
--- a/frontend/appflowy_flutter/lib/shared/feature_flags.dart
+++ b/frontend/appflowy_flutter/lib/shared/feature_flags.dart
@@ -35,6 +35,9 @@ enum FeatureFlag {
   // used for controlling whether to show plan+billing options in settings
   planBilling,
 
+  // used for space design
+  spaceDesign,
+
   // used for ignore the conflicted feature flag
   unknown;
 
@@ -88,6 +91,8 @@ enum FeatureFlag {
 
   bool get isOn {
     if ([
+      // release this feature in version 0.6.1
+      FeatureFlag.spaceDesign,
       // release this feature in version 0.5.9
       FeatureFlag.search,
       // release this feature in version 0.5.6
@@ -105,15 +110,16 @@ enum FeatureFlag {
     }
 
     switch (this) {
+      case FeatureFlag.search:
+      case FeatureFlag.syncDocument:
+      case FeatureFlag.syncDatabase:
+      case FeatureFlag.spaceDesign:
+        return true;
       case FeatureFlag.collaborativeWorkspace:
       case FeatureFlag.membersSettings:
       case FeatureFlag.planBilling:
       case FeatureFlag.unknown:
         return false;
-      case FeatureFlag.search:
-      case FeatureFlag.syncDocument:
-      case FeatureFlag.syncDatabase:
-        return true;
     }
   }
 
@@ -131,6 +137,8 @@ enum FeatureFlag {
         return 'if it\'s on, the command palette and search button will be available';
       case FeatureFlag.planBilling:
         return 'if it\'s on, plan and billing pages will be available in Settings';
+      case FeatureFlag.spaceDesign:
+        return 'if it\'s on, the space design feature will be available';
       case FeatureFlag.unknown:
         return '';
     }
diff --git a/frontend/appflowy_flutter/lib/workspace/application/sidebar/space/space_bloc.dart b/frontend/appflowy_flutter/lib/workspace/application/sidebar/space/space_bloc.dart
index ebab63428a70d..9d79ca8550b20 100644
--- a/frontend/appflowy_flutter/lib/workspace/application/sidebar/space/space_bloc.dart
+++ b/frontend/appflowy_flutter/lib/workspace/application/sidebar/space/space_bloc.dart
@@ -87,7 +87,6 @@ class SpaceBloc extends Bloc<SpaceEvent, SpaceState> {
                 isExpanded: isExpanded,
                 shouldShowUpgradeDialog: shouldShowUpgradeDialog,
                 isInitialized: true,
-                issueViews: [],
               ),
             );
 
@@ -142,7 +141,7 @@ class SpaceBloc extends Bloc<SpaceEvent, SpaceState> {
             if (deletedSpace == null) {
               return;
             }
-            await ViewBackendService.delete(viewId: deletedSpace.id);
+            await ViewBackendService.deleteView(viewId: deletedSpace.id);
           },
           rename: (space, name) async {
             add(SpaceEvent.update(name: name));
@@ -330,12 +329,6 @@ class SpaceBloc extends Bloc<SpaceEvent, SpaceState> {
 
             emit(state.copyWith(isDuplicatingSpace: false));
           },
-          reassignIssueViews: () async {
-            await _reassignIssueViews();
-          },
-          updateIssueViews: (issueViews) async {
-            emit(state.copyWith(issueViews: issueViews));
-          },
         );
       },
     );
@@ -440,6 +433,7 @@ class SpaceBloc extends Bloc<SpaceEvent, SpaceState> {
       workspaceId: workspaceId,
     )..start(
         sectionChanged: (result) async {
+          Log.info('did receive section views changed');
           add(const SpaceEvent.didReceiveSpaceUpdate());
         },
       );
@@ -680,28 +674,6 @@ class SpaceBloc extends Bloc<SpaceEvent, SpaceState> {
 
     return newSpace;
   }
-
-  Future<void> _reassignIssueViews() async {
-    final issueViews = state.issueViews;
-    if (issueViews.isEmpty) {
-      return;
-    }
-    for (final view in issueViews) {
-      final result = await ViewBackendService.moveViewV2(
-        viewId: view.id,
-        newParentId: view.parentViewId,
-        prevViewId: null,
-      );
-      result.fold(
-        (_) {
-          Log.info('space: reassign issue view: ${view.name}(${view.id})');
-        },
-        (error) {
-          Log.error('space: failed to reassign issue view: $error');
-        },
-      );
-    }
-  }
 }
 
 @freezed
@@ -743,9 +715,6 @@ class SpaceEvent with _$SpaceEvent {
   ) = _Reset;
   const factory SpaceEvent.migrate() = _Migrate;
   const factory SpaceEvent.switchToNextSpace() = _SwitchToNextSpace;
-  const factory SpaceEvent.reassignIssueViews() = _ReassignIssueViews;
-  const factory SpaceEvent.updateIssueViews(List<ViewPB> issueViews) =
-      _UpdateIssueViews;
 }
 
 @freezed
@@ -760,7 +729,6 @@ class SpaceState with _$SpaceState {
     @Default(false) bool shouldShowUpgradeDialog,
     @Default(false) bool isDuplicatingSpace,
     @Default(false) bool isInitialized,
-    @Default([]) List<ViewPB> issueViews,
   }) = _SpaceState;
 
   factory SpaceState.initial() => const SpaceState();
diff --git a/frontend/appflowy_flutter/lib/workspace/application/view/view_bloc.dart b/frontend/appflowy_flutter/lib/workspace/application/view/view_bloc.dart
index 44300468a15bb..2a1ce58400d02 100644
--- a/frontend/appflowy_flutter/lib/workspace/application/view/view_bloc.dart
+++ b/frontend/appflowy_flutter/lib/workspace/application/view/view_bloc.dart
@@ -143,7 +143,7 @@ class ViewBloc extends Bloc<ViewEvent, ViewState> {
             // unpublish the page and all its child pages if they are published
             await _unpublishPage(view);
 
-            final result = await ViewBackendService.delete(viewId: view.id);
+            final result = await ViewBackendService.deleteView(viewId: view.id);
 
             emit(
               result.fold(
diff --git a/frontend/appflowy_flutter/lib/workspace/application/view/view_service.dart b/frontend/appflowy_flutter/lib/workspace/application/view/view_service.dart
index f07b90ef4f2bf..d1c865937074a 100644
--- a/frontend/appflowy_flutter/lib/workspace/application/view/view_service.dart
+++ b/frontend/appflowy_flutter/lib/workspace/application/view/view_service.dart
@@ -122,17 +122,17 @@ class ViewBackendService {
     });
   }
 
-  static Future<FlowyResult<void, FlowyError>> delete({
+  static Future<FlowyResult<void, FlowyError>> deleteView({
     required String viewId,
   }) {
     final request = RepeatedViewIdPB.create()..items.add(viewId);
     return FolderEventDeleteView(request).send();
   }
 
-  static Future<FlowyResult<void, FlowyError>> deleteView({
-    required String viewId,
+  static Future<FlowyResult<void, FlowyError>> deleteViews({
+    required List<String> viewIds,
   }) {
-    final request = RepeatedViewIdPB.create()..items.add(viewId);
+    final request = RepeatedViewIdPB.create()..items.addAll(viewIds);
     return FolderEventDeleteView(request).send();
   }
 
diff --git a/frontend/appflowy_flutter/lib/workspace/presentation/home/menu/sidebar/sidebar.dart b/frontend/appflowy_flutter/lib/workspace/presentation/home/menu/sidebar/sidebar.dart
index 8bbdd1322c47d..04719039092d8 100644
--- a/frontend/appflowy_flutter/lib/workspace/presentation/home/menu/sidebar/sidebar.dart
+++ b/frontend/appflowy_flutter/lib/workspace/presentation/home/menu/sidebar/sidebar.dart
@@ -27,7 +27,6 @@ import 'package:appflowy/workspace/presentation/home/menu/sidebar/shared/sidebar
 import 'package:appflowy/workspace/presentation/home/menu/sidebar/space/sidebar_space.dart';
 import 'package:appflowy/workspace/presentation/home/menu/sidebar/space/space_migration.dart';
 import 'package:appflowy/workspace/presentation/home/menu/sidebar/workspace/sidebar_workspace.dart';
-import 'package:appflowy/workspace/presentation/widgets/dialogs.dart';
 import 'package:appflowy_backend/protobuf/flowy-folder/workspace.pb.dart';
 import 'package:appflowy_backend/protobuf/flowy-user/protobuf.dart'
     show UserProfilePB;
@@ -140,8 +139,7 @@ class HomeSideBar extends StatelessWidget {
               BlocListener<SpaceBloc, SpaceState>(
                 listenWhen: (p, c) =>
                     p.lastCreatedPage?.id != c.lastCreatedPage?.id ||
-                    p.isDuplicatingSpace != c.isDuplicatingSpace ||
-                    p.issueViews != c.issueViews,
+                    p.isDuplicatingSpace != c.isDuplicatingSpace,
                 listener: (context, state) {
                   final page = state.lastCreatedPage;
                   if (page == null || page.id.isEmpty) {
@@ -166,20 +164,6 @@ class HomeSideBar extends StatelessWidget {
                     _duplicateSpaceLoading?.stop();
                     _duplicateSpaceLoading = null;
                   }
-
-                  if (state.issueViews.isNotEmpty) {
-                    showConfirmDialog(
-                      context: context,
-                      title: 'Some errors happened',
-                      description:
-                          'There are 2 pages (Module 3, Module 4) that have not been synced to the space. Click OK to sync them.',
-                      onConfirm: () {
-                        context.read<SpaceBloc>().add(
-                              const SpaceEvent.reassignIssueViews(),
-                            );
-                      },
-                    );
-                  }
                 },
               ),
               BlocListener<ActionNavigationBloc, ActionNavigationState>(
@@ -193,7 +177,8 @@ class HomeSideBar extends StatelessWidget {
                   if (actionType == UserWorkspaceActionType.create ||
                       actionType == UserWorkspaceActionType.delete ||
                       actionType == UserWorkspaceActionType.open) {
-                    if (context.read<SpaceBloc>().state.spaces.isEmpty) {
+                    if (!FeatureFlag.spaceDesign.isOn ||
+                        context.read<SpaceBloc>().state.spaces.isEmpty) {
                       context.read<SidebarSectionsBloc>().add(
                             SidebarSectionsEvent.reload(
                               userProfile,
@@ -390,7 +375,8 @@ class _SidebarState extends State<_Sidebar> {
       context.read<SpaceBloc>().add(const SpaceEvent.didReceiveSpaceUpdate());
     }
 
-    return !containsSpace ||
+    return !FeatureFlag.spaceDesign.isOn ||
+            !containsSpace ||
             spaceState.spaces.isEmpty ||
             !workspaceState.isCollabWorkspaceOn
         ? Expanded(
diff --git a/frontend/appflowy_flutter/lib/workspace/presentation/home/menu/sidebar/space/shared_widget.dart b/frontend/appflowy_flutter/lib/workspace/presentation/home/menu/sidebar/space/shared_widget.dart
index efd98647afcac..f06866695828e 100644
--- a/frontend/appflowy_flutter/lib/workspace/presentation/home/menu/sidebar/space/shared_widget.dart
+++ b/frontend/appflowy_flutter/lib/workspace/presentation/home/menu/sidebar/space/shared_widget.dart
@@ -292,11 +292,15 @@ class ConfirmPopup extends StatefulWidget {
     required this.title,
     required this.description,
     required this.onConfirm,
+    this.confirmLabel,
+    this.confirmButtonColor,
   });
 
   final String title;
   final String description;
   final VoidCallback onConfirm;
+  final String? confirmLabel;
+  final Color? confirmButtonColor;
   final ConfirmPopupStyle style;
 
   @override
@@ -376,8 +380,9 @@ class _ConfirmPopupState extends State<ConfirmPopup> {
             widget.onConfirm();
             Navigator.of(context).pop();
           },
-          confirmButtonName: LocaleKeys.button_ok.tr(),
-          confirmButtonColor: Theme.of(context).colorScheme.primary,
+          confirmButtonName: widget.confirmLabel ?? LocaleKeys.button_ok.tr(),
+          confirmButtonColor: widget.confirmButtonColor ??
+              Theme.of(context).colorScheme.primary,
         );
       case ConfirmPopupStyle.cancelAndOk:
         return SpaceCancelOrConfirmButton(
@@ -386,8 +391,10 @@ class _ConfirmPopupState extends State<ConfirmPopup> {
             widget.onConfirm();
             Navigator.of(context).pop();
           },
-          confirmButtonName: LocaleKeys.space_delete.tr(),
-          confirmButtonColor: Theme.of(context).colorScheme.error,
+          confirmButtonName:
+              widget.confirmLabel ?? LocaleKeys.space_delete.tr(),
+          confirmButtonColor:
+              widget.confirmButtonColor ?? Theme.of(context).colorScheme.error,
         );
     }
   }
diff --git a/frontend/appflowy_flutter/lib/workspace/presentation/settings/pages/fix_data_widget.dart b/frontend/appflowy_flutter/lib/workspace/presentation/settings/pages/fix_data_widget.dart
index 5664f0f2ce589..6f556ec5b6202 100644
--- a/frontend/appflowy_flutter/lib/workspace/presentation/settings/pages/fix_data_widget.dart
+++ b/frontend/appflowy_flutter/lib/workspace/presentation/settings/pages/fix_data_widget.dart
@@ -114,7 +114,10 @@ class WorkspaceDataManager {
     List<ViewPB>? allViews,
     bool dryRun = true,
   }) async {
-    final List<ViewPB> issues = [];
+    // Views whose parent view does not have the view in its child views
+    final List<ViewPB> unlistedChildViews = [];
+    // Views whose parent is not in allViews
+    final List<ViewPB> orphanViews = [];
 
     try {
       if (workspace == null || allViews == null) {
@@ -129,12 +132,16 @@ class WorkspaceDataManager {
       }
 
       for (final view in allViews) {
+        if (view.parentViewId == '') {
+          continue;
+        }
+
         final parentView = allViews.firstWhereOrNull(
           (e) => e.id == view.parentViewId,
         );
 
         if (parentView == null) {
-          Log.info('found an issue: can not find the parent view: $view');
+          orphanViews.add(view);
           continue;
         }
 
@@ -143,17 +150,50 @@ class WorkspaceDataManager {
                 .getOrThrow();
         final result = childViewsOfParent.any((e) => e.id == view.id);
         if (!result) {
-          Log.info(
-            'found an issue: view is not in the parent view\'s child views: $view',
-          );
-          issues.add(view);
+          unlistedChildViews.add(view);
         }
       }
     } catch (e) {
       Log.error('Failed to check space health: $e');
+      return [];
+    }
+
+    for (final view in unlistedChildViews) {
+      Log.info(
+        '[workspace] found an issue: view is not in the parent view\'s child views, view: ${view.toProto3Json()}}',
+      );
+    }
+
+    for (final view in orphanViews) {
+      Log.debug('[workspace] orphanViews: ${view.toProto3Json()}');
+    }
+
+    if (!dryRun && unlistedChildViews.isNotEmpty) {
+      Log.info(
+        '[workspace] start to fix ${unlistedChildViews.length} unlistedChildViews ...',
+      );
+      for (final view in unlistedChildViews) {
+        // move the view to the parent view if it is not in the parent view's child views
+        Log.info(
+          '[workspace] move view: $view to its parent view ${view.parentViewId}',
+        );
+        await ViewBackendService.moveViewV2(
+          viewId: view.id,
+          newParentId: view.parentViewId,
+          prevViewId: null,
+        );
+      }
+
+      Log.info('[workspace] end to fix unlistedChildViews');
+    }
+
+    if (unlistedChildViews.isEmpty && orphanViews.isEmpty) {
+      Log.info('[workspace] all views are healthy');
     }
 
-    return issues;
+    Log.info('[workspace] done checking view health');
+
+    return unlistedChildViews;
   }
 
   static void dumpViews(String prefix, List<ViewPB> views) {
diff --git a/frontend/appflowy_flutter/lib/workspace/presentation/settings/pages/settings_manage_data_view.dart b/frontend/appflowy_flutter/lib/workspace/presentation/settings/pages/settings_manage_data_view.dart
index 5b8965ffbe620..3e169eb806cf8 100644
--- a/frontend/appflowy_flutter/lib/workspace/presentation/settings/pages/settings_manage_data_view.dart
+++ b/frontend/appflowy_flutter/lib/workspace/presentation/settings/pages/settings_manage_data_view.dart
@@ -126,26 +126,34 @@ class SettingsManageDataView extends StatelessWidget {
                     buttonLabel:
                         LocaleKeys.settings_manageDataPage_cache_title.tr(),
                     onPressed: () {
-                      SettingsAlertDialog(
+                      showCancelAndConfirmDialog(
+                        context: context,
                         title: LocaleKeys
                             .settings_manageDataPage_cache_dialog_title
                             .tr(),
-                        subtitle: LocaleKeys
+                        description: LocaleKeys
                             .settings_manageDataPage_cache_dialog_description
                             .tr(),
-                        confirm: () async {
+                        confirmLabel: LocaleKeys.button_ok.tr(),
+                        onConfirm: () async {
+                          // clear all cache
                           await getIt<FlowyCacheManager>().clearAllCache();
+
+                          // check the workspace and space health
+                          await WorkspaceDataManager.checkViewHealth(
+                            dryRun: false,
+                          );
+
                           if (context.mounted) {
-                            showSnackBarMessage(
+                            showToastNotification(
                               context,
-                              LocaleKeys
+                              message: LocaleKeys
                                   .settings_manageDataPage_cache_dialog_successHint
                                   .tr(),
                             );
-                            Navigator.of(context).pop();
                           }
                         },
-                      ).show(context);
+                      );
                     },
                   ),
                 ],
diff --git a/frontend/appflowy_flutter/lib/workspace/presentation/widgets/dialogs.dart b/frontend/appflowy_flutter/lib/workspace/presentation/widgets/dialogs.dart
index 1fe4cc7502519..868c53201df97 100644
--- a/frontend/appflowy_flutter/lib/workspace/presentation/widgets/dialogs.dart
+++ b/frontend/appflowy_flutter/lib/workspace/presentation/widgets/dialogs.dart
@@ -367,3 +367,32 @@ Future<void> showConfirmDialog({
     },
   );
 }
+
+Future<void> showCancelAndConfirmDialog({
+  required BuildContext context,
+  required String title,
+  required String description,
+  VoidCallback? onConfirm,
+  String? confirmLabel,
+}) {
+  return showDialog(
+    context: context,
+    builder: (_) {
+      return Dialog(
+        shape: RoundedRectangleBorder(
+          borderRadius: BorderRadius.circular(12.0),
+        ),
+        child: SizedBox(
+          width: 440,
+          child: ConfirmPopup(
+            title: title,
+            description: description,
+            onConfirm: () => onConfirm?.call(),
+            confirmLabel: confirmLabel,
+            confirmButtonColor: Theme.of(context).colorScheme.primary,
+          ),
+        ),
+      );
+    },
+  );
+}
diff --git a/frontend/resources/translations/en.json b/frontend/resources/translations/en.json
index b2bceb1152e39..ede6a24f8616d 100644
--- a/frontend/resources/translations/en.json
+++ b/frontend/resources/translations/en.json
@@ -494,10 +494,10 @@
       },
       "cache": {
         "title": "Clear cache",
-        "description": "Clear app cache, this can help resolve issues like images or fonts not loading. This will not affect your data.",
+        "description": "Help resolve issues like image not loading, missing pages in a space, and fonts not loading. This will not affect your data.",
         "dialog": {
-          "title": "Are you sure?",
-          "description": "Clearing the cache will cause images and fonts to be re-downloaded on load. This action will not remove or modify your data.",
+          "title": "Clear cache",
+          "description": "Help resolve issues like image not loading, missing pages in a space, and fonts not loading. This will not affect your data.",
           "successHint": "Cache cleared!"
         }
       },
diff --git a/frontend/rust-lib/flowy-folder/src/manager_observer.rs b/frontend/rust-lib/flowy-folder/src/manager_observer.rs
index ef604b3a11796..91bd450a70e2b 100644
--- a/frontend/rust-lib/flowy-folder/src/manager_observer.rs
+++ b/frontend/rust-lib/flowy-folder/src/manager_observer.rs
@@ -235,7 +235,6 @@ pub(crate) fn notify_did_update_section_views(workspace_id: &str, folder: &Folde
     private_views.len()
   );
 
-  // TODO(Lucas.xu) - Only notify the section changed, not the public/private both.
   // Notify the public views
   send_notification(workspace_id, FolderNotification::DidUpdateSectionViews)
     .payload(SectionViewsPB {