fix: issues when change language.

app/lib/widgets/language_switcher.dart

@@ -2,12 +2,15 @@ import 'package:collection/collection.dart';
 import 'package:dde_gesture_manager/constants/sp_keys.dart';
 import 'package:dde_gesture_manager/constants/supported_locales.dart';
 import 'package:dde_gesture_manager/extensions.dart';
+import 'package:dde_gesture_manager/generated/codegen_loader.g.dart';
 import 'package:dde_gesture_manager/generated/locale_keys.g.dart';
+import 'package:dde_gesture_manager/models/local_schemes_provider.dart';
 import 'package:dde_gesture_manager/utils/helper.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:window_manager/window_manager.dart';
+import 'package:easy_localization/src/translations.dart';
 
 class LanguageSwitcher extends StatelessWidget {
   const LanguageSwitcher({Key? key}) : super(key: key);
@@ -18,7 +21,7 @@ class LanguageSwitcher extends StatelessWidget {
     var _supportedLocale = supportedLocales.firstWhereOrNull((element) => element == _locale);
 
     return PopupMenuButton<SupportedLocale>(
-    tooltip: LocaleKeys.language_tip.tr(),
+      tooltip: LocaleKeys.language_tip.tr(),
       child: Row(
         children: [
           Icon(Icons.language_outlined, size: 20),
@@ -41,7 +44,18 @@ class LanguageSwitcher extends StatelessWidget {
               ),
               onTap: () {
                 EasyLocalization.of(context)?.setLocale(locale).then((_) {
-                  if (!kIsWeb) WindowManager.instance.setTitle(LocaleKeys.app_name.tr());
+                  context.locale.sout();
+                  var localeMap = Translations(CodegenLoader.mapLocales[context.locale.toString()]!);
+                  if (!kIsWeb) WindowManager.instance.setTitle(localeMap.get(LocaleKeys.app_name)!);
+                  var localSchemesProvider = context.read<LocalSchemesProvider>();
+                  var schemes = localSchemesProvider.schemes!;
+                  var newSchemes = [
+                    schemes.first
+                      ..scheme.name = localeMap.get(LocaleKeys.local_manager_default_scheme_label)
+                      ..scheme.description = localeMap.get(LocaleKeys.local_manager_default_scheme_description),
+                    ...schemes.skip(1),
+                  ];
+                  localSchemesProvider.setProps(schemes: newSchemes);
                 });
                 H().sp.setInt(SPKeys.userLanguage, supportedLocales.indexOf(locale));
               },