diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/ui/Controllers.java b/HMCL/src/main/java/org/jackhuang/hmcl/ui/Controllers.java
index 8a0b682a0..d3ab60159 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/Controllers.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/Controllers.java
@@ -494,4 +494,13 @@ public final class Controllers {
 
         FXUtils.shutdown();
     }
+
+    public static void resetAllLazyPage() {
+        rootPage.reset();
+        versionPage.reset();
+        gameListPage.reset();
+        downloadPage.reset();
+        accountListPage.reset();
+        settingsPage.reset();
+    }
 }
diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/ui/construct/Navigator.java b/HMCL/src/main/java/org/jackhuang/hmcl/ui/construct/Navigator.java
index 4ec498992..f4c632588 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/construct/Navigator.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/construct/Navigator.java
@@ -45,16 +45,23 @@ public class Navigator extends TransitionPane {
     private boolean initialized = false;
 
     public void init(Node init) {
-        stack.push(init);
         backable.set(canGoBack());
+        setRootPage(init);
         getChildren().setAll(init);
-
         fireEvent(new NavigationEvent(this, init, Navigation.NavigationDirection.START, NavigationEvent.NAVIGATED));
         if (init instanceof PageAware) ((PageAware) init).onPageShown();
 
         initialized = true;
     }
 
+    public void setRootPage(Node root) {
+        if (stack.isEmpty()) {
+            stack.push(root);
+        } else {
+            stack.set(0, root);
+        }
+    }
+
     public void navigate(Node node, AnimationProducer animationProducer) {
         FXUtils.checkFxUserThread();
 
diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/ui/decorator/DecoratorController.java b/HMCL/src/main/java/org/jackhuang/hmcl/ui/decorator/DecoratorController.java
index 27ff5bccf..4f28bd180 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/decorator/DecoratorController.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/decorator/DecoratorController.java
@@ -53,8 +53,8 @@ import org.jackhuang.hmcl.ui.animation.AnimationUtils;
 import org.jackhuang.hmcl.ui.animation.ContainerAnimations;
 import org.jackhuang.hmcl.ui.construct.DialogAware;
 import org.jackhuang.hmcl.ui.construct.DialogCloseEvent;
-import org.jackhuang.hmcl.ui.construct.Navigator;
 import org.jackhuang.hmcl.ui.construct.JFXDialogPane;
+import org.jackhuang.hmcl.ui.construct.Navigator;
 import org.jackhuang.hmcl.ui.wizard.Refreshable;
 import org.jackhuang.hmcl.ui.wizard.WizardProvider;
 import org.jackhuang.hmcl.util.Lang;
@@ -65,7 +65,10 @@ import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
-import java.util.*;
+import java.util.List;
+import java.util.Locale;
+import java.util.Optional;
+import java.util.Random;
 import java.util.stream.Stream;
 
 import static java.util.stream.Collectors.toList;
@@ -547,4 +550,9 @@ public class DecoratorController {
         decorator.addEventFilter(DragEvent.DRAG_DROPPED, AuthlibInjectorDnD.dragDroppedHandler(
                 url -> Controllers.dialog(new AddAuthlibInjectorServerPane(url))));
     }
+
+    public void setRootPage(Node n) {
+        navigator.setRootPage(n);
+        navigator.clear();
+    }
 }
diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/ui/main/SettingsPage.java b/HMCL/src/main/java/org/jackhuang/hmcl/ui/main/SettingsPage.java
index 692b1378e..5f92bb676 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/main/SettingsPage.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/main/SettingsPage.java
@@ -33,6 +33,7 @@ import org.jackhuang.hmcl.upgrade.UpdateChannel;
 import org.jackhuang.hmcl.upgrade.UpdateChecker;
 import org.jackhuang.hmcl.upgrade.UpdateHandler;
 import org.jackhuang.hmcl.util.StringUtils;
+import org.jackhuang.hmcl.util.i18n.I18n;
 import org.jackhuang.hmcl.util.i18n.Locales;
 import org.jackhuang.hmcl.util.io.FileUtils;
 import org.jackhuang.hmcl.util.io.IOUtils;
@@ -67,6 +68,15 @@ public final class SettingsPage extends SettingsView {
         // ==== Languages ====
         cboLanguage.getItems().setAll(Locales.LOCALES);
         selectedItemPropertyFor(cboLanguage).bindBidirectional(config().localizationProperty());
+        selectedItemPropertyFor(cboLanguage).addListener((observableValue, oldValue, newValue) -> {
+            I18n.setLocale(newValue);
+
+            Controllers.resetAllLazyPage();
+
+            System.gc();
+
+            Controllers.getDecorator().setRootPage(Controllers.getRootPage());
+        });
 
         disableAutoGameOptionsPane.selectedProperty().bindBidirectional(config().disableAutoGameOptionsProperty());
         // ====
diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/util/Lazy.java b/HMCL/src/main/java/org/jackhuang/hmcl/util/Lazy.java
index dacdea2d3..a6bd427b8 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/util/Lazy.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/util/Lazy.java
@@ -26,7 +26,7 @@ import java.util.function.Supplier;
  * @param <T> value type
  */
 public final class Lazy<T> {
-    private Supplier<T> supplier;
+    private final Supplier<T> supplier;
     private T value = null;
 
     public Lazy(Supplier<T> supplier) {
@@ -34,10 +34,13 @@ public final class Lazy<T> {
     }
 
     public T get() {
-        if (supplier != null) {
+        if (value == null) {
             value = supplier.get();
-            supplier = null;
         }
         return value;
     }
+
+    public void reset() {
+        value = null;
+    }
 }
diff --git a/HMCL/src/main/resources/assets/lang/I18N.properties b/HMCL/src/main/resources/assets/lang/I18N.properties
index 56064f3d5..034fd98b5 100644
--- a/HMCL/src/main/resources/assets/lang/I18N.properties
+++ b/HMCL/src/main/resources/assets/lang/I18N.properties
@@ -1361,7 +1361,7 @@ settings.launcher.font.anti_aliasing.auto=Auto
 settings.launcher.font.anti_aliasing.gray=Grayscale
 settings.launcher.font.anti_aliasing.lcd=Sub-pixel
 settings.launcher.general=General
-settings.launcher.language=Language (Applies After Restart)
+settings.launcher.language=Language
 settings.launcher.launcher_log.export=Export Launcher Logs
 settings.launcher.launcher_log.export.failed=Failed to export logs.
 settings.launcher.launcher_log.export.success=Logs have been exported to "%s".
diff --git a/HMCL/src/main/resources/assets/lang/I18N_lzh.properties b/HMCL/src/main/resources/assets/lang/I18N_lzh.properties
index b117bf296..6a08be09d 100644
--- a/HMCL/src/main/resources/assets/lang/I18N_lzh.properties
+++ b/HMCL/src/main/resources/assets/lang/I18N_lzh.properties
@@ -1157,7 +1157,7 @@ settings.launcher.font.anti_aliasing.auto=自調
 settings.launcher.font.anti_aliasing.gray=灰階
 settings.launcher.font.anti_aliasing.lcd=子像素
 settings.launcher.general=貫用
-settings.launcher.language=文 (複啟而效)
+settings.launcher.language=文
 settings.launcher.launcher_log.export=錄出啟者之誌
 settings.launcher.launcher_log.export.failed=錄誌出而未成
 settings.launcher.launcher_log.export.success=誌既存於「%s」
diff --git a/HMCL/src/main/resources/assets/lang/I18N_ru.properties b/HMCL/src/main/resources/assets/lang/I18N_ru.properties
index 310a52a46..2c988ec09 100644
--- a/HMCL/src/main/resources/assets/lang/I18N_ru.properties
+++ b/HMCL/src/main/resources/assets/lang/I18N_ru.properties
@@ -1357,7 +1357,7 @@ settings.launcher.font.anti_aliasing.auto=Автоматический
 settings.launcher.font.anti_aliasing.gray=Оттенки серого
 settings.launcher.font.anti_aliasing.lcd=Субпиксель
 settings.launcher.general=Общие
-settings.launcher.language=Язык (Применится после перезапуска)
+settings.launcher.language=Язык
 settings.launcher.launcher_log.export=Экспорт логов лаунчера
 settings.launcher.launcher_log.export.failed=Не удалось экспортировать логи
 settings.launcher.launcher_log.export.success=Логи экспортированы в %s
diff --git a/HMCL/src/main/resources/assets/lang/I18N_uk.properties b/HMCL/src/main/resources/assets/lang/I18N_uk.properties
index bf2a920e3..701d184ea 100644
--- a/HMCL/src/main/resources/assets/lang/I18N_uk.properties
+++ b/HMCL/src/main/resources/assets/lang/I18N_uk.properties
@@ -1298,7 +1298,7 @@ settings.launcher.font.anti_aliasing.auto=Авто
 settings.launcher.font.anti_aliasing.gray=Відтінки сірого
 settings.launcher.font.anti_aliasing.lcd=Субпіксельне
 settings.launcher.general=Загальні
-settings.launcher.language=Мова (Застосовується після перезавантаження)
+settings.launcher.language=Мова
 settings.launcher.launcher_log.export=Експортувати журнали лаунчера
 settings.launcher.launcher_log.export.failed=Не вдалося експортувати журнали.
 settings.launcher.launcher_log.export.success=Журнали було експортовано до "%s".
diff --git a/HMCL/src/main/resources/assets/lang/I18N_zh.properties b/HMCL/src/main/resources/assets/lang/I18N_zh.properties
index d01764c5f..6e0a7b23e 100644
--- a/HMCL/src/main/resources/assets/lang/I18N_zh.properties
+++ b/HMCL/src/main/resources/assets/lang/I18N_zh.properties
@@ -1149,7 +1149,7 @@ settings.launcher.font.anti_aliasing.auto=自動
 settings.launcher.font.anti_aliasing.gray=灰階
 settings.launcher.font.anti_aliasing.lcd=子像素
 settings.launcher.general=一般
-settings.launcher.language=語言 (重啟後生效)
+settings.launcher.language=語言
 settings.launcher.launcher_log.export=匯出啟動器日誌
 settings.launcher.launcher_log.export.failed=無法匯出日誌。
 settings.launcher.launcher_log.export.success=日誌已儲存到「%s」。
diff --git a/HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties b/HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties
index 43603a3cb..2a3f77a23 100644
--- a/HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties
+++ b/HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties
@@ -1160,7 +1160,7 @@ settings.launcher.font.anti_aliasing.auto=自动
 settings.launcher.font.anti_aliasing.gray=灰度
 settings.launcher.font.anti_aliasing.lcd=子像素
 settings.launcher.general=通用
-settings.launcher.language=语言 (重启后生效)
+settings.launcher.language=语言
 settings.launcher.launcher_log.export=导出启动器日志
 settings.launcher.launcher_log.export.failed=无法导出日志
 settings.launcher.launcher_log.export.success=日志已保存到“%s”