diff --git a/analysis_options.yaml b/analysis_options.yaml
index f4b4b3b..666a6d9 100644
--- a/analysis_options.yaml
+++ b/analysis_options.yaml
@@ -22,6 +22,7 @@ linter:
   # producing the lint.
   rules:
     use_build_context_synchronously: false
+    constant_identifier_names: false
     # avoid_print: false  # Uncomment to disable the `avoid_print` rule
     # prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule
 
diff --git a/lib/core/ext/context/dialog.dart b/lib/core/ext/context/dialog.dart
index 9d6b9ee..5b059ae 100644
--- a/lib/core/ext/context/dialog.dart
+++ b/lib/core/ext/context/dialog.dart
@@ -52,20 +52,28 @@ extension DialogX on BuildContext {
     }
   }
 
+  /// [noConfirm] Return value immediately without confirmation,
+  /// only valid if [multi] is false
   Future<List<T>?> showPickDialog<T>({
-    required List<T?> items,
+    required List<T> items,
     String Function(T)? name,
     bool multi = true,
     List<T>? initial,
-    bool clearable = false,
+    bool clearable = true,
     List<Widget>? actions,
-
-    /// Return value immediately without confirmation, only valid for non-multi
     bool noConfirm = true,
     String? title,
   }) async {
     assert(!noConfirm || !multi);
     var vals = initial ?? <T>[];
+    final actions_ = [
+      if (actions != null) ...actions,
+      if (!noConfirm)
+        TextButton(
+          onPressed: () => pop(true),
+          child: Text(l10n.ok),
+        ),
+    ];
     final sure = await showRoundDialog<bool>(
       title: title ?? l10n.choose,
       child: SingleChildScrollView(
@@ -80,14 +88,13 @@ extension DialogX on BuildContext {
                 items.length,
                 (index) {
                   final item = items[index];
-                  if (item == null) return UIs.placeholder;
                   return ChoiceChipX<T>(
                     label: name?.call(item) ?? item.toString(),
                     state: state,
                     value: item,
                     onSelected: noConfirm
                         ? (_) {
-                            state.onSelected(item);
+                            vals = [item];
                             pop(true);
                           }
                         : null,
@@ -98,15 +105,7 @@ extension DialogX on BuildContext {
           },
         ),
       ),
-      actions: noConfirm
-          ? null
-          : [
-              if (actions != null) ...actions,
-              TextButton(
-                onPressed: () => pop(true),
-                child: Text(l10n.ok),
-              ),
-            ],
+      actions: actions_.isEmpty ? null : actions_,
     );
     if (sure == true && vals.isNotEmpty) {
       return vals;
@@ -115,10 +114,9 @@ extension DialogX on BuildContext {
   }
 
   Future<T?> showPickSingleDialog<T>({
-    required List<T?> items,
+    required List<T> items,
     String Function(T)? name,
     T? initial,
-    bool clearable = false,
     List<Widget>? actions,
 
     /// Return value immediately without confirmation
@@ -134,6 +132,7 @@ extension DialogX on BuildContext {
       actions: actions,
     );
     if (vals != null && vals.isNotEmpty) {
+      assert(vals.length == 1);
       return vals.first;
     }
     return null;
diff --git a/lib/data/res/openai.dart b/lib/data/res/openai.dart
index 040d681..596b513 100644
--- a/lib/data/res/openai.dart
+++ b/lib/data/res/openai.dart
@@ -6,29 +6,35 @@ import 'package:flutter_chatgpt/data/store/all.dart';
 
 abstract final class OpenAICfg {
   static final nameNotifier = ValueNotifier(_cfg.name);
-  static ChatConfig _cfg =
-      Stores.config.fetch(ChatConfig.defaultId) ?? ChatConfig.defaultOne;
+
+  static ChatConfig _cfg = () {
+    final selectedKey = Stores.config.selectedKey.fetch();
+    final selected = Stores.config.fetch(selectedKey);
+    return selected ?? ChatConfig.defaultOne;
+  }();
+
   static ChatConfig get current => _cfg;
   static set current(ChatConfig config) {
     _cfg = config;
     apply();
     config.save();
+    Stores.config.selectedKey.put(config.id);
     nameNotifier.value = config.name;
   }
 
   static void apply() {
+    Loggers.app.info('Switch profile [${_cfg.name}]');
     OpenAI.apiKey = _cfg.key;
     OpenAI.baseUrl = _cfg.url;
   }
 
-  static bool switchTo(String id) {
-    final cfg = Stores.config.fetch(id);
+  static void switchToDefault() {
+    final cfg = Stores.config.fetch(ChatConfig.defaultId);
     if (cfg != null) {
-      _cfg = cfg;
-      apply();
-      return true;
+      current = cfg;
+    } else {
+      current = ChatConfig.defaultOne;
+      Loggers.app.warning('Default config not found');
     }
-    Loggers.app.warning('Config not found: $id');
-    return false;
   }
 }
diff --git a/lib/data/store/config.dart b/lib/data/store/config.dart
index 6afbcb3..f55d272 100644
--- a/lib/data/store/config.dart
+++ b/lib/data/store/config.dart
@@ -5,6 +5,9 @@ import 'package:flutter_chatgpt/data/model/chat/config.dart';
 final class ConfigStore extends Store {
   ConfigStore() : super('config');
 
+  static const SELECTED_KEY = 'selectedKey';
+  late final selectedKey = property(SELECTED_KEY, ChatConfig.defaultId);
+
   ChatConfig? fetch(String id) {
     final val = box.get(id) as ChatConfig?;
     if (val == null && id == ChatConfig.defaultId) {
@@ -29,6 +32,7 @@ final class ConfigStore extends Store {
     final map = <String, ChatConfig>{};
     var errCount = 0;
     for (final key in box.keys) {
+      if (key == SELECTED_KEY) continue;
       final item = box.get(key);
       if (item != null) {
         if (item is ChatConfig) {
diff --git a/lib/view/page/home/enum.dart b/lib/view/page/home/enum.dart
index d057588..aeef6f6 100644
--- a/lib/view/page/home/enum.dart
+++ b/lib/view/page/home/enum.dart
@@ -44,19 +44,25 @@ enum HomePageEnum {
     final items = <IconButton>[
       IconButton(
         onPressed: () async {
-          final profiles = Stores.config.fetchAll().values.toList();
           final select = await context.showPickSingleDialog(
             title: l10n.profile,
-            items: profiles,
+            items: Stores.config.fetchAll().values.toList(),
             name: (p0) => p0.name.isEmpty ? l10n.defaulT : p0.name,
             initial: OpenAICfg.current,
           );
           if (select == null) return;
-          OpenAICfg.switchTo(select.id);
+          OpenAICfg.current = select;
         },
         icon: const Icon(Iconsax.profile_2user_bold),
         tooltip: l10n.profile,
       ),
+      IconButton(
+        onPressed: () => showSearch(
+          context: context,
+          delegate: _ChatSearchDelegate(),
+        ),
+        icon: const Icon(Icons.search),
+      )
     ];
 
     /// Put it here, or it's l10n string won't rebuild every time
@@ -67,15 +73,6 @@ enum HomePageEnum {
         onTap: () => _onShareChat(context),
         onHomePage: [HomePageEnum.chat],
       ),
-      _MoreAction(
-        title: l10n.search,
-        icon: Icons.search,
-        onHomePage: [HomePageEnum.history],
-        onTap: () => showSearch(
-          context: context,
-          delegate: _ChatSearchDelegate(),
-        ),
-      ),
     ]) {
       if (!_isWide.value && !item.onHomePage.contains(this)) {
         continue;
diff --git a/lib/view/page/home/history.dart b/lib/view/page/home/history.dart
index 4297455..ef8e89c 100644
--- a/lib/view/page/home/history.dart
+++ b/lib/view/page/home/history.dart
@@ -66,7 +66,7 @@ class _HistoryPageState extends State<_HistoryPage>
           );
         },
       ),
-      contentPadding: const EdgeInsets.only(left: 17, right: 13),
+      contentPadding: const EdgeInsets.only(left: 17, right: 15),
       // trailing: Row(
       //   mainAxisSize: MainAxisSize.min,
       //   children: [
diff --git a/lib/view/page/setting.dart b/lib/view/page/setting.dart
index 754dd0f..5846047 100644
--- a/lib/view/page/setting.dart
+++ b/lib/view/page/setting.dart
@@ -99,6 +99,7 @@ class _SettingPageState extends State<SettingPage> {
         title: Text(l10n.themeMode),
         onTap: () async {
           final result = await context.showPickSingleDialog(
+            title: l10n.themeMode,
             items: ThemeMode.values,
             name: (e) => e.name,
             initial: ThemeMode.values[val],
@@ -183,9 +184,10 @@ class _SettingPageState extends State<SettingPage> {
         ),
         onTap: () async {
           final result = await context.showPickSingleDialog<Locale>(
+            title: l10n.lang,
             items: AppLocalizations.supportedLocales,
             name: (e) => e.toLanguageTag(),
-            initial: val.toLocale,
+            initial: val.toLocale ?? l10n.localeName.toLocale,
           );
           if (result != null) {
             final newLocaleStr = result.toLanguageTag();
@@ -261,7 +263,7 @@ class _SettingPageState extends State<SettingPage> {
                 _cfgRN.build();
                 context.pop();
                 if (cfg.id == value.id) {
-                  OpenAICfg.switchTo(ChatConfig.defaultId);
+                  OpenAICfg.switchToDefault();
                   _cfgRN.build();
                 }
               },
@@ -275,14 +277,14 @@ class _SettingPageState extends State<SettingPage> {
           value: cfg.id == value.id,
           onChanged: (val) {
             if (val != true) return;
-            OpenAICfg.switchTo(value.id);
+            OpenAICfg.current = value;
             _cfgRN.build();
           },
         ),
         title: Text(value.name.isEmpty ? l10n.defaulT : value.name),
         onTap: () {
           if (cfg.id == value.id) return;
-          OpenAICfg.switchTo(value.id);
+          OpenAICfg.current = value;
           _cfgRN.build();
         },
         trailing: value.id != ChatConfig.defaultId ? delBtn : null,
@@ -305,7 +307,7 @@ class _SettingPageState extends State<SettingPage> {
           id: shortid.generate(),
           name: name,
         )..save();
-        OpenAICfg.switchTo(cfg.id);
+        OpenAICfg.current = cfg;
         _cfgRN.build();
       },
       title: Text(l10n.add),
@@ -691,11 +693,7 @@ class _SettingPageState extends State<SettingPage> {
   Widget _buildReplay() {
     return ListTile(
       leading: const Icon(Icons.replay),
-      title: Text(l10n.replay),
-      subtitle: Text(
-        '${l10n.attention}: experimental feature',
-        style: UIs.text13Grey,
-      ),
+      title: Text('${l10n.replay} (experimental)'),
       trailing: StoreSwitch(prop: _store.replay),
     );
   }