diff --git a/src/App.vue b/src/App.vue
index 72b3765..86ce490 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -8,11 +8,14 @@ import HotspotLayer from '@/components/HotspotLayer.vue'
 import SaveLoadMenu from '@/components/SaveLoadMenu.vue'
 import ChapterSelect from '@/components/ChapterSelect.vue'
 import PlaybackBar from '@/components/PlaybackBar.vue'
+import LangSwitch from '@/components/LangSwitch.vue'
 import { useGameEngine } from '@/composables/useGameEngine'
 import { useGameStore } from '@/stores/gameStore'
 import { useFullscreen } from '@/composables/useFullscreen'
+import { useI18n } from '@/composables/useI18n'
 
 const store = useGameStore()
+const { t, currentLang } = useI18n()
 const { isFullscreen, toggle: toggleFullscreen } = useFullscreen()
 const videoElA = ref<HTMLVideoElement | null>(null)
 const videoElB = ref<HTMLVideoElement | null>(null)
@@ -108,6 +111,9 @@ function onGlobalKeydown(e: KeyboardEvent) {
       showChapterSelect.value = false
     } else if (showMenu.value) {
       showMenu.value = false
+    } else if (started.value && !store.gameEnded) {
+      showMenu.value = true
+      refreshSaves()
     }
   }
 }
@@ -116,8 +122,6 @@ function onGlobalMouseMove() {
   store.setInputMode('mouse')
 }
 
-const keyboardKeys = ['ArrowDown', 'ArrowUp', 'ArrowLeft', 'ArrowRight', 'Enter', 'Tab', ' ', 'w', 'a', 's', 'd']
-
 onMounted(() => {
   document.addEventListener('keydown', onGlobalKeydown)
   document.addEventListener('mousemove', onGlobalMouseMove)
@@ -133,7 +137,7 @@ init()
 
 <template>
   <div class="app-container">
-    <div v-if="loading" class="loading">加载中...</div>
+    <div v-if="loading" class="loading">{{ t('ui.loading') }}</div>
     <template v-else>
       <div class="game-screen">
         <GamePlayer v-show="!store.isImageScene" @video-ready="onVideoReady" />
@@ -146,6 +150,8 @@ init()
         <Subtitles
           :current-time="store.videoTime"
           :subtitle-url="store.currentScene?.subtitleUrl ?? null"
+          :subtitles="store.currentScene?.subtitles ?? null"
+          :lang="currentLang"
         />
         <QTEOverlay
           :visible="store.qteActive"
@@ -169,21 +175,22 @@ init()
             @skip="handleSkip"
             @speed-change="handleSpeedChange"
           />
-          <button class="top-btn" @click="toggleFullscreen" :title="isFullscreen ? '退出全屏' : '全屏'">
+          <button class="top-btn" @click="toggleFullscreen" :title="isFullscreen ? t('ui.exitFullscreen') : t('ui.fullscreen')">
             {{ isFullscreen ? '⛶' : '⛶' }}
           </button>
-          <button class="top-btn" @click="toggleMenu">菜单</button>
+          <button class="top-btn" @click="toggleMenu">{{ t('ui.menu') }}</button>
         </div>
       </div>
       <div v-if="!started" class="start-overlay">
-        <button class="start-btn" @click="handleStart">开始游戏</button>
-        <button v-if="hasAutoSave" class="start-btn resume-btn" @click="handleResume">继续上次进度</button>
-        <button v-if="store.chapters.length > 0" class="start-btn chapters-btn" @click="openChapterSelect">章节选择</button>
+        <LangSwitch />
+        <button class="start-btn" @click="handleStart">{{ t('ui.start') }}</button>
+        <button v-if="hasAutoSave" class="start-btn resume-btn" @click="handleResume">{{ t('ui.resume') }}</button>
+        <button v-if="store.chapters.length > 0" class="start-btn chapters-btn" @click="openChapterSelect">{{ t('ui.chapters') }}</button>
       </div>
       <div v-if="store.gameEnded" class="game-end-overlay">
-        <div class="game-end-text">游戏结束</div>
+        <div class="game-end-text">{{ t('ui.gameEnd') }}</div>
         <div v-if="store.chapters.length > 0" class="game-end-actions">
-          <button class="end-btn" @click="openChapterSelect">章节选择</button>
+          <button class="end-btn" @click="openChapterSelect">{{ t('ui.chapters') }}</button>
         </div>
       </div>
       <SaveLoadMenu
@@ -277,6 +284,7 @@ html, body {
   inset: 0;
   background: rgba(0, 0, 0, 0.8);
   display: flex;
+  flex-direction: column;
   align-items: center;
   justify-content: center;
   z-index: 100;
@@ -292,6 +300,7 @@ html, body {
   inset: 0;
   background: rgba(0, 0, 0, 0.85);
   display: flex;
+  flex-direction: column;
   align-items: center;
   justify-content: center;
   z-index: 100;
@@ -307,6 +316,7 @@ html, body {
   cursor: pointer;
   letter-spacing: 4px;
   transition: background 0.2s;
+  margin-top: 16px;
 }
 
 .start-btn:hover {
@@ -314,13 +324,11 @@ html, body {
 }
 
 .resume-btn {
-  margin-top: 16px;
   border-color: rgba(100, 200, 255, 0.3);
   color: #8cf;
 }
 
 .chapters-btn {
-  margin-top: 16px;
   border-color: rgba(255, 200, 100, 0.3);
   color: #fc8;
 }