opt.

lib/view/page/home.dart

@@ -3,6 +3,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
 import 'package:get_it/get_it.dart';
 import 'package:toolbox/core/extension/navigator.dart';
+import 'package:toolbox/data/model/app/tab.dart';
 import 'package:toolbox/data/provider/app.dart';
 import 'package:toolbox/data/res/misc.dart';
 import 'package:toolbox/view/widget/round_rect_card.dart';
@@ -54,6 +55,10 @@ class _HomePageState extends State<HomePage>
     super.initState();
     WidgetsBinding.instance.addObserver(this);
     _selectIndex = _setting.launchPage.fetch()!;
+    // avoid index out of range
+    if (_selectIndex >= AppTab.values.length || _selectIndex < 0) {
+      _selectIndex = 0;
+    }
     _pageController = PageController(initialPage: _selectIndex);
   }
 
@@ -108,8 +113,10 @@ class _HomePageState extends State<HomePage>
           IconButton(
             icon: const Icon(Icons.developer_mode, size: 23),
             tooltip: _s.debug,
-            onPressed: () =>
-                AppRoute(const DebugPage(), 'Debug Page').go(context),
+            onPressed: () => AppRoute(
+              const DebugPage(),
+              'Debug Page',
+            ).go(context),
           ),
         ],
       ),
@@ -210,7 +217,7 @@ class _HomePageState extends State<HomePage>
                   title: Text(_s.download),
                   onTap: () => AppRoute(
                     const SFTPDownloadedPage(),
-                    'snippet list',
+                    'sftp local page',
                   ).go(context),
                 ),
                 ListTile(