diff --git a/modules/fourth-wall/fourth-wall.html b/modules/fourth-wall/fourth-wall.html
index 910cef9..b0d7151 100644
--- a/modules/fourth-wall/fourth-wall.html
+++ b/modules/fourth-wall/fourth-wall.html
@@ -480,16 +480,7 @@ html, body {
             <div class="fw-settings-row">
                 <div class="fw-field">
                     <input type="checkbox" id="voice-enabled">
-                    <label for="voice-enabled">允许语音</label>
-                </div>
-                <div class="fw-field fw-voice-select-wrap" style="display: none;">
-                    <label>声音</label>
-                    <select id="voice-select"></select>
-                </div>
-                <div class="fw-field fw-voice-speed-wrap" style="display: none;">
-                    <label>语速</label>
-                    <input type="range" id="voice-speed" min="0.5" max="2.0" step="0.1" value="1.0" style="width:70px;">
-                    <span class="speed-val" id="voice-speed-val">1.0x</span>
+                    <label for="voice-enabled">允许语音（使用 TTS 模块音色）</label>
                 </div>
             </div>
 
@@ -561,17 +552,6 @@ html, body {
    配置
    ══════════════════════════════════════════════════════════════════════════════ */
 
-const TTS_WORKER_URL = 'https://hstts.velure.codes';
-
-const VALID_EMOTIONS = ['happy', 'sad', 'angry', 'surprise', 'scare', 'hate'];
-const EMOTION_ICONS = {
-    happy: '😄', sad: '😢', angry: '😠', surprise: '😮', scare: '😨', hate: '🤢'
-};
-
-// 动态加载的声音列表
-let voiceList = [];
-let defaultVoiceKey = 'female_1';
-
 /* ══════════════════════════════════════════════════════════════════════════════
    工具函数
    ══════════════════════════════════════════════════════════════════════════════ */
@@ -618,8 +598,8 @@ function postToParent(payload) {
     window.parent.postMessage({ source: 'LittleWhiteBox-FourthWall', ...payload }, PARENT_ORIGIN);
 }
 
-function getEmotionIcon(emotion) {
-    return EMOTION_ICONS[emotion] || '';
+function getEmotionIcon() {
+    return '';
 }
 
 /* ══════════════════════════════════════════════════════════════════════════════
@@ -636,30 +616,19 @@ let state = {
     sessions: [],
     activeSessionId: null,
     imgSettings: { enablePrompt: false },
-    voiceSettings: { enabled: false, voice: 'female_1', speed: 1.0 },
+    voiceSettings: { enabled: false },
     commentarySettings: { enabled: false, probability: 30 },
     promptTemplates: {}
 };
 
-let currentAudio = null;
+let activeVoiceRequestId = null;
 
 /* ══════════════════════════════════════════════════════════════════════════════
    加载声音列表
    ══════════════════════════════════════════════════════════════════════════════ */
 
-async function loadVoices() {
-    try {
-        const res = await fetch(`${TTS_WORKER_URL}/voices`);
-        if (!res.ok) throw new Error('Failed to load voices');
-        const data = await res.json();
-        voiceList = data.voices || [];
-        defaultVoiceKey = data.defaultVoice || 'female_1';
-        renderVoiceSelect();
-    } catch (err) {
-        console.error('[FW Voice] 加载声音列表失败:', err);
-        // 降级：使用空列表
-        voiceList = [];
-    }
+function generateVoiceRequestId() {
+    return 'fwv_' + Date.now() + '_' + Math.random().toString(36).slice(2, 8);
 }
 
 /* ══════════════════════════════════════════════════════════════════════════════
@@ -786,54 +755,48 @@ function bindRetryButton(slot) {
    语音处理
    ══════════════════════════════════════════════════════════════════════════════ */
 
-async function playVoice(text, emotion, bubbleEl) {
-    if (currentAudio) {
-        currentAudio.pause();
-        currentAudio = null;
-        document.querySelectorAll('.fw-voice-bubble.playing').forEach(el => el.classList.remove('playing'));
-    }
+function requestPlayVoice(text, emotion, bubbleEl) {
+    // Clear previous bubble state before issuing a new request.
+    document.querySelectorAll('.fw-voice-bubble.playing, .fw-voice-bubble.loading').forEach(el => {
+        el.classList.remove('playing', 'loading');
+    });
 
+    const voiceRequestId = generateVoiceRequestId();
+    activeVoiceRequestId = voiceRequestId;
+    bubbleEl.dataset.voiceRequestId = voiceRequestId;
     bubbleEl.classList.add('loading');
     bubbleEl.classList.remove('error');
 
-    try {
+    postToParent({ type: 'PLAY_VOICE', text, emotion, voiceRequestId });
+}
 
-        const requestBody = {
-            voiceKey: state.voiceSettings.voice || defaultVoiceKey,
-            text: text,
-            speed: state.voiceSettings.speed || 1.0,
-            uid: 'fw_' + Date.now(),
-            reqid: generateUUID()
-        };
+function handleVoiceState(data) {
+    const { voiceRequestId, state: voiceState, duration } = data;
+    const bubble = document.querySelector(`.fw-voice-bubble[data-voice-request-id="${voiceRequestId}"]`);
+    if (!bubble) return;
 
-        if (emotion && VALID_EMOTIONS.includes(emotion)) {
-            requestBody.emotion = emotion;
-            requestBody.emotionScale = 5;
-        }
-
-        const res = await fetch(TTS_WORKER_URL, {
-            method: 'POST',
-            headers: { 'Content-Type': 'application/json' },
-            body: JSON.stringify(requestBody)
-        });
-
-        if (!res.ok) throw new Error(`HTTP ${res.status}`);
-
-        const data = await res.json();
-        if (data.code !== 3000) throw new Error(data.message || 'TTS失败');
-
-        bubbleEl.classList.remove('loading');
-        bubbleEl.classList.add('playing');
-
-        currentAudio = new Audio(`data:audio/mp3;base64,${data.data}`);
-        currentAudio.onended = () => { bubbleEl.classList.remove('playing'); currentAudio = null; };
-        currentAudio.onerror = () => { bubbleEl.classList.remove('playing'); bubbleEl.classList.add('error'); currentAudio = null; };
-        await currentAudio.play();
-    } catch (err) {
-        console.error('[FW Voice] TTS错误:', err);
-        bubbleEl.classList.remove('loading', 'playing');
-        bubbleEl.classList.add('error');
-        setTimeout(() => bubbleEl.classList.remove('error'), 3000);
+    switch (voiceState) {
+        case 'loading':
+            bubble.classList.add('loading');
+            bubble.classList.remove('playing', 'error');
+            break;
+        case 'playing':
+            bubble.classList.remove('loading', 'error');
+            bubble.classList.add('playing');
+            if (duration != null) {
+                const durationEl = bubble.querySelector('.fw-voice-duration');
+                if (durationEl) durationEl.textContent = Math.ceil(duration) + '"';
+            }
+            break;
+        case 'ended':
+        case 'stopped':
+            bubble.classList.remove('loading', 'playing');
+            break;
+        case 'error':
+            bubble.classList.remove('loading', 'playing');
+            bubble.classList.add('error');
+            setTimeout(() => bubble.classList.remove('error'), 3000);
+            break;
     }
 }
 
@@ -846,12 +809,10 @@ function hydrateVoiceSlots(container) {
             bubble.onclick = e => {
                 e.stopPropagation();
                 if (bubble.classList.contains('loading')) return;
-                if (bubble.classList.contains('playing') && currentAudio) {
-                    currentAudio.pause();
-                    currentAudio = null;
-                    bubble.classList.remove('playing');
+                if (bubble.classList.contains('playing')) {
+                    postToParent({ type: 'STOP_VOICE', voiceRequestId: bubble.dataset.voiceRequestId });
                 } else {
-                    playVoice(text, emotion, bubble);
+                    requestPlayVoice(text, emotion, bubble);
                 }
             };
         }
@@ -1022,24 +983,6 @@ function renderSessionSelect() {
     ).join('');
 }
 
-// 使用动态加载的声音列表渲染下拉框
-function renderVoiceSelect() {
-    const select = document.getElementById('voice-select');
-    if (!select || !voiceList.length) return;
-
-    const females = voiceList.filter(v => v.gender === 'female');
-    const males = voiceList.filter(v => v.gender === 'male');
-
-    select.innerHTML = `
-        <optgroup label="👩 女声">
-            ${females.map(v => `<option value="${v.key}">${v.name} · ${v.tag}</option>`).join('')}
-        </optgroup>
-        <optgroup label="👨 男声">
-            ${males.map(v => `<option value="${v.key}">${v.name} · ${v.tag}</option>`).join('')}
-        </optgroup>
-    `;
-    select.value = state.voiceSettings.voice || defaultVoiceKey;
-}
 
 function updateMenuUI() {
     const actions = document.getElementById('header-actions');
@@ -1057,11 +1000,6 @@ function updateMenuUI() {
     }
 }
 
-function updateVoiceUI(enabled) {
-    document.querySelector('.fw-voice-select-wrap').style.display = enabled ? '' : 'none';
-    document.querySelector('.fw-voice-speed-wrap').style.display = enabled ? '' : 'none';
-}
-
 function updateCommentaryUI(enabled) {
     document.querySelector('.fw-commentary-prob-wrap').style.display = enabled ? '' : 'none';
 }
@@ -1161,14 +1099,6 @@ window.addEventListener('message', event => {
             document.getElementById('img-prompt-enabled').checked = state.imgSettings.enablePrompt;
             document.getElementById('voice-enabled').checked = state.voiceSettings.enabled;
 
-            // 等声音列表加载完再设置值
-            if (voiceList.length) {
-                document.getElementById('voice-select').value = state.voiceSettings.voice || defaultVoiceKey;
-            }
-            document.getElementById('voice-speed').value = state.voiceSettings.speed || 1.0;
-            document.getElementById('voice-speed-val').textContent = (state.voiceSettings.speed || 1.0).toFixed(1) + 'x';
-            updateVoiceUI(state.voiceSettings.enabled);
-
             document.getElementById('commentary-enabled').checked = state.commentarySettings.enabled;
             document.getElementById('commentary-prob').value = state.commentarySettings.probability;
             document.getElementById('commentary-prob-val').textContent = state.commentarySettings.probability + '%';
@@ -1211,6 +1141,10 @@ window.addEventListener('message', event => {
             updateFullscreenButton(data.isFullscreen);
             break;
 
+        case 'VOICE_STATE':
+            handleVoiceState(data);
+            break;
+
         case 'IMAGE_RESULT':
             handleImageResult(data);
             break;
@@ -1229,9 +1163,6 @@ window.addEventListener('message', event => {
    ══════════════════════════════════════════════════════════════════════════════ */
 
 document.addEventListener('DOMContentLoaded', async () => {
-    // 先加载声音列表
-    await loadVoices();
-
     document.getElementById('btn-menu-toggle').onclick = () => { state.menuExpanded = !state.menuExpanded; updateMenuUI(); };
     document.getElementById('btn-settings').onclick = () => { state.settingsOpen = !state.settingsOpen; document.getElementById('settings-panel').classList.toggle('open', state.settingsOpen); };
     document.getElementById('btn-settings-close').onclick = () => { state.settingsOpen = false; document.getElementById('settings-panel').classList.remove('open'); };
@@ -1258,19 +1189,6 @@ document.addEventListener('DOMContentLoaded', async () => {
 
     document.getElementById('voice-enabled').onchange = function() {
         state.voiceSettings.enabled = this.checked;
-        updateVoiceUI(this.checked);
-        postToParent({ type: 'SAVE_VOICE_SETTINGS', voiceSettings: state.voiceSettings });
-    };
-
-    document.getElementById('voice-select').onchange = function() {
-        state.voiceSettings.voice = this.value;
-        postToParent({ type: 'SAVE_VOICE_SETTINGS', voiceSettings: state.voiceSettings });
-    };
-
-    document.getElementById('voice-speed').oninput = function() {
-        const val = parseFloat(this.value);
-        document.getElementById('voice-speed-val').textContent = val.toFixed(1) + 'x';
-        state.voiceSettings.speed = val;
         postToParent({ type: 'SAVE_VOICE_SETTINGS', voiceSettings: state.voiceSettings });
     };
 
diff --git a/modules/fourth-wall/fourth-wall.js b/modules/fourth-wall/fourth-wall.js
index 5d286bd..1e218e2 100644
--- a/modules/fourth-wall/fourth-wall.js
+++ b/modules/fourth-wall/fourth-wall.js
@@ -1,5 +1,5 @@
-// ════════════════════════════════════════════════════════════════════════════
-// 次元壁模块 - 主控制器
+// ════════════════════════════════════════════
+// Fourth Wall Module - Main Controller
 // ════════════════════════════════════════════════════════════════════════════
 import { extension_settings, getContext, saveMetadataDebounced } from "../../../../../extensions.js";
 import { saveSettingsDebounced, chat_metadata, default_user_avatar, default_avatar } from "../../../../../../script.js";
@@ -8,19 +8,20 @@ import { createModuleEvents, event_types } from "../../core/event-manager.js";
 import { xbLog } from "../../core/debug-core.js";
 
 import { handleCheckCache, handleGenerate, clearExpiredCache } from "./fw-image.js";
-import { DEFAULT_VOICE, DEFAULT_SPEED } from "./fw-voice.js";
-import { 
-    buildPrompt, 
-    buildCommentaryPrompt, 
+import { synthesizeAndPlay, stopCurrent as stopCurrentVoice } from "./fw-voice-runtime.js";
+import {
+    buildPrompt,
+    buildCommentaryPrompt,
     DEFAULT_TOPUSER,
     DEFAULT_CONFIRM,
     DEFAULT_BOTTOM,
-    DEFAULT_META_PROTOCOL 
+    DEFAULT_META_PROTOCOL
 } from "./fw-prompt.js";
 import { initMessageEnhancer, cleanupMessageEnhancer } from "./fw-message-enhancer.js";
 import { postToIframe, isTrustedMessage, getTrustedOrigin } from "../../core/iframe-messaging.js";
-// ════════════════════════════════════════════════════════════════════════════
-// 常量
+
+// ════════════════════════════════════════════
+// Constants
 // ════════════════════════════════════════════════════════════════════════════
 
 const events = createModuleEvents('fourthWall');
@@ -30,7 +31,7 @@ const COMMENTARY_COOLDOWN = 180000;
 const IFRAME_PING_TIMEOUT = 800;
 
 // ════════════════════════════════════════════════════════════════════════════
-// 状态
+// State
 // ════════════════════════════════════════════════════════════════════════════
 
 let overlayCreated = false;
@@ -44,37 +45,36 @@ let currentLoadedChatId = null;
 let lastCommentaryTime = 0;
 let commentaryBubbleEl = null;
 let commentaryBubbleTimer = null;
+let currentVoiceRequestId = null;
 
-// ═══════════════════════════════ 新增 ═══════════════════════════════
 let visibilityHandler = null;
 let pendingPingId = null;
-// ════════════════════════════════════════════════════════════════════
 
 // ════════════════════════════════════════════════════════════════════════════
-// 设置管理（保持不变）
+// Settings
 // ════════════════════════════════════════════════════════════════════════════
 
 function getSettings() {
     extension_settings[EXT_ID] ||= {};
     const s = extension_settings[EXT_ID];
-    
+
     s.fourthWall ||= { enabled: true };
     s.fourthWallImage ||= { enablePrompt: false };
-    s.fourthWallVoice ||= { enabled: false, voice: DEFAULT_VOICE, speed: DEFAULT_SPEED };
+    s.fourthWallVoice ||= { enabled: false };
     s.fourthWallCommentary ||= { enabled: false, probability: 30 };
     s.fourthWallPromptTemplates ||= {};
-    
+
     const t = s.fourthWallPromptTemplates;
     if (t.topuser === undefined) t.topuser = DEFAULT_TOPUSER;
     if (t.confirm === undefined) t.confirm = DEFAULT_CONFIRM;
     if (t.bottom === undefined) t.bottom = DEFAULT_BOTTOM;
     if (t.metaProtocol === undefined) t.metaProtocol = DEFAULT_META_PROTOCOL;
-    
+
     return s;
 }
 
 // ════════════════════════════════════════════════════════════════════════════
-// 工具函数（保持不变）
+// Utilities
 // ════════════════════════════════════════════════════════════════════════════
 
 function b64UrlEncode(str) {
@@ -162,7 +162,7 @@ function getAvatarUrls() {
 }
 
 // ════════════════════════════════════════════════════════════════════════════
-// 存储管理（保持不变）
+// Storage
 // ════════════════════════════════════════════════════════════════════════════
 
 function getFWStore(chatId = getCurrentChatIdSafe()) {
@@ -171,17 +171,17 @@ function getFWStore(chatId = getCurrentChatIdSafe()) {
     chat_metadata[chatId].extensions ||= {};
     chat_metadata[chatId].extensions[EXT_ID] ||= {};
     chat_metadata[chatId].extensions[EXT_ID].fw ||= {};
-    
+
     const fw = chat_metadata[chatId].extensions[EXT_ID].fw;
     fw.settings ||= { maxChatLayers: 9999, maxMetaTurns: 9999, stream: true };
-    
+
     if (!fw.sessions) {
         const oldHistory = Array.isArray(fw.history) ? fw.history.slice() : [];
-        fw.sessions = [{ id: 'default', name: '默认记录', createdAt: Date.now(), history: oldHistory }];
+        fw.sessions = [{ id: 'default', name: 'Default', createdAt: Date.now(), history: oldHistory }];
         fw.activeSessionId = 'default';
         if (Object.prototype.hasOwnProperty.call(fw, 'history')) delete fw.history;
     }
-    
+
     if (!fw.activeSessionId || !fw.sessions.find(s => s.id === fw.activeSessionId)) {
         fw.activeSessionId = fw.sessions[0]?.id || null;
     }
@@ -199,7 +199,7 @@ function saveFWStore() {
 }
 
 // ════════════════════════════════════════════════════════════════════════════
-// iframe 通讯
+// iframe Communication
 // ════════════════════════════════════════════════════════════════════════════
 
 function postToFrame(payload) {
@@ -224,7 +224,7 @@ function sendInitData() {
     const settings = getSettings();
     const session = getActiveSession();
     const avatars = getAvatarUrls();
-    
+
     postToFrame({
         type: 'INIT_DATA',
         settings: store?.settings || {},
@@ -240,86 +240,128 @@ function sendInitData() {
 }
 
 // ════════════════════════════════════════════════════════════════════════════
-// iframe 健康检测与恢复（新增）
+// iframe Health Check & Recovery
 // ════════════════════════════════════════════════════════════════════════════
 
 function handleVisibilityChange() {
     if (document.visibilityState !== 'visible') return;
-    
     const overlay = document.getElementById('xiaobaix-fourth-wall-overlay');
     if (!overlay || overlay.style.display === 'none') return;
-    
     checkIframeHealth();
 }
 
 function checkIframeHealth() {
     const iframe = document.getElementById('xiaobaix-fourth-wall-iframe');
     if (!iframe) return;
-    
-    // 生成唯一 ping ID
+
     const pingId = 'ping_' + Date.now();
     pendingPingId = pingId;
-    
-    // 尝试发送 PING
+
     try {
         const win = iframe.contentWindow;
         if (!win) {
-            recoverIframe('contentWindow 不存在');
+            recoverIframe('contentWindow missing');
             return;
         }
         win.postMessage({ source: 'LittleWhiteBox', type: 'PING', pingId }, getTrustedOrigin());
     } catch (e) {
-        recoverIframe('无法访问 iframe: ' + e.message);
+        recoverIframe('Cannot access iframe: ' + e.message);
         return;
     }
-    
-    // 设置超时检测
+
     setTimeout(() => {
         if (pendingPingId === pingId) {
-            // 没有收到 PONG 响应
-            recoverIframe('PING 超时无响应');
+            recoverIframe('PING timeout');
         }
     }, IFRAME_PING_TIMEOUT);
 }
 
 function handlePongResponse(pingId) {
     if (pendingPingId === pingId) {
-        pendingPingId = null; // 清除，表示收到响应
+        pendingPingId = null;
     }
 }
 
 function recoverIframe(reason) {
     const iframe = document.getElementById('xiaobaix-fourth-wall-iframe');
     if (!iframe) return;
-    
-    try { xbLog.warn('fourthWall', `iframe 恢复中: ${reason}`); } catch {}
-    
-    // 重置状态
+
+    try { xbLog.warn('fourthWall', `iframe recovery: ${reason}`); } catch { }
+
     frameReady = false;
     pendingFrameMessages = [];
     pendingPingId = null;
-    
-    // 如果正在流式生成，取消
+
     if (isStreaming) {
         cancelGeneration();
     }
-    
-    // 重新加载 iframe
+
     iframe.src = iframePath;
 }
 
 // ════════════════════════════════════════════════════════════════════════════
-// 消息处理（添加 PONG 处理）
+// Voice Handling
+// ════════════════════════════════════════════════════════════════════════════
+
+function handlePlayVoice(data) {
+    const { text, emotion, voiceRequestId } = data;
+
+    if (!text?.trim()) {
+        postToFrame({ type: 'VOICE_STATE', voiceRequestId, state: 'error', message: 'Voice text is empty' });
+        return;
+    }
+
+    // Notify old request as stopped
+    if (currentVoiceRequestId && currentVoiceRequestId !== voiceRequestId) {
+        postToFrame({ type: 'VOICE_STATE', voiceRequestId: currentVoiceRequestId, state: 'stopped' });
+    }
+
+    currentVoiceRequestId = voiceRequestId;
+
+    synthesizeAndPlay(text, emotion, {
+        requestId: voiceRequestId,
+        onState(state, info) {
+            if (currentVoiceRequestId !== voiceRequestId) return;
+            postToFrame({
+                type: 'VOICE_STATE',
+                voiceRequestId,
+                state,
+                duration: info?.duration,
+                message: info?.message,
+            });
+        },
+    });
+}
+
+function handleStopVoice(data) {
+    const targetId = data?.voiceRequestId || currentVoiceRequestId;
+    stopCurrentVoice();
+    if (targetId) {
+        postToFrame({ type: 'VOICE_STATE', voiceRequestId: targetId, state: 'stopped' });
+    }
+    currentVoiceRequestId = null;
+}
+
+function stopVoiceAndNotify() {
+    if (currentVoiceRequestId) {
+        postToFrame({ type: 'VOICE_STATE', voiceRequestId: currentVoiceRequestId, state: 'stopped' });
+    }
+    stopCurrentVoice();
+    currentVoiceRequestId = null;
+}
+
+// ════════════════════════════════════════════════════════════════════════════
+// Frame Message Handler
 // ════════════════════════════════════════════════════════════════════════════
 
 function handleFrameMessage(event) {
     const iframe = document.getElementById('xiaobaix-fourth-wall-iframe');
     if (!isTrustedMessage(event, iframe, 'LittleWhiteBox-FourthWall')) return;
     const data = event.data;
-    
+
     const store = getFWStore();
     const settings = getSettings();
-    
+
     switch (data.type) {
         case 'FRAME_READY':
             frameReady = true;
@@ -327,11 +369,9 @@ function handleFrameMessage(event) {
             sendInitData();
             break;
 
-        // ═══════════════════════════ 新增 ═══════════════════════════
         case 'PONG':
             handlePongResponse(data.pingId);
             break;
-        // ════════════════════════════════════════════════════════════
 
         case 'TOGGLE_FULLSCREEN':
             toggleFullscreen();
@@ -340,29 +380,29 @@ function handleFrameMessage(event) {
         case 'SEND_MESSAGE':
             handleSendMessage(data);
             break;
-            
+
         case 'REGENERATE':
             handleRegenerate(data);
             break;
-            
+
         case 'CANCEL_GENERATION':
             cancelGeneration();
             break;
-            
+
         case 'SAVE_SETTINGS':
             if (store) {
                 Object.assign(store.settings, data.settings);
                 saveFWStore();
             }
             break;
-            
+
         case 'SAVE_IMG_SETTINGS':
             Object.assign(settings.fourthWallImage, data.imgSettings);
             saveSettingsDebounced();
             break;
 
         case 'SAVE_VOICE_SETTINGS':
-            Object.assign(settings.fourthWallVoice, data.voiceSettings);
+            settings.fourthWallVoice.enabled = !!data.voiceSettings?.enabled;
             saveSettingsDebounced();
             break;
 
@@ -370,7 +410,7 @@ function handleFrameMessage(event) {
             Object.assign(settings.fourthWallCommentary, data.commentarySettings);
             saveSettingsDebounced();
             break;
-            
+
         case 'SAVE_PROMPT_TEMPLATES':
             settings.fourthWallPromptTemplates = data.templates;
             saveSettingsDebounced();
@@ -382,7 +422,7 @@ function handleFrameMessage(event) {
             saveSettingsDebounced();
             sendInitData();
             break;
-            
+
         case 'SAVE_HISTORY': {
             const session = getActiveSession();
             if (session) {
@@ -391,7 +431,7 @@ function handleFrameMessage(event) {
             }
             break;
         }
-            
+
         case 'RESET_HISTORY': {
             const session = getActiveSession();
             if (session) {
@@ -400,7 +440,7 @@ function handleFrameMessage(event) {
             }
             break;
         }
-            
+
         case 'SWITCH_SESSION':
             if (store) {
                 store.activeSessionId = data.sessionId;
@@ -408,7 +448,7 @@ function handleFrameMessage(event) {
                 sendInitData();
             }
             break;
-            
+
         case 'ADD_SESSION':
             if (store) {
                 const newId = 'sess_' + Date.now();
@@ -418,14 +458,14 @@ function handleFrameMessage(event) {
                 sendInitData();
             }
             break;
-            
+
         case 'RENAME_SESSION':
             if (store) {
                 const sess = store.sessions.find(s => s.id === data.sessionId);
                 if (sess) { sess.name = data.name; saveFWStore(); sendInitData(); }
             }
             break;
-            
+
         case 'DELETE_SESSION':
             if (store && store.sessions.length > 1) {
                 store.sessions = store.sessions.filter(s => s.id !== data.sessionId);
@@ -446,11 +486,19 @@ function handleFrameMessage(event) {
         case 'GENERATE_IMAGE':
             handleGenerate(data, postToFrame);
             break;
+
+        case 'PLAY_VOICE':
+            handlePlayVoice(data);
+            break;
+
+        case 'STOP_VOICE':
+            handleStopVoice(data);
+            break;
     }
 }
 
 // ════════════════════════════════════════════════════════════════════════════
-// 生成处理（保持不变）
+// Generation
 // ════════════════════════════════════════════════════════════════════════════
 
 async function startGeneration(data) {
@@ -462,9 +510,9 @@ async function startGeneration(data) {
         voiceSettings: data.voiceSettings,
         promptTemplates: getSettings().fourthWallPromptTemplates
     });
-    
+
     const gen = window.xiaobaixStreamingGeneration;
-    if (!gen?.xbgenrawCommand) throw new Error('xbgenraw 模块不可用');
+    if (!gen?.xbgenrawCommand) throw new Error('xbgenraw module unavailable');
 
     const topMessages = [
         { role: 'user', content: msg1 },
@@ -479,7 +527,7 @@ async function startGeneration(data) {
         nonstream: data.settings.stream ? 'false' : 'true',
         as: 'user',
     }, '');
-    
+
     if (data.settings.stream) {
         startStreamingPoll();
     } else {
@@ -490,13 +538,13 @@ async function startGeneration(data) {
 async function handleSendMessage(data) {
     if (isStreaming) return;
     isStreaming = true;
-    
+
     const session = getActiveSession();
     if (session) {
         session.history = data.history;
         saveFWStore();
     }
-    
+
     try {
         await startGeneration(data);
     } catch {
@@ -509,13 +557,13 @@ async function handleSendMessage(data) {
 async function handleRegenerate(data) {
     if (isStreaming) return;
     isStreaming = true;
-    
+
     const session = getActiveSession();
     if (session) {
         session.history = data.history;
         saveFWStore();
     }
-    
+
     try {
         await startGeneration(data);
     } catch {
@@ -535,7 +583,7 @@ function startStreamingPoll() {
         const thinking = extractThinkingPartial(raw);
         const msg = extractMsg(raw) || extractMsgPartial(raw);
         postToFrame({ type: 'STREAM_UPDATE', text: msg || '...', thinking: thinking || undefined });
-        
+
         const st = gen.getStatus?.(STREAM_SESSION_ID);
         if (st && st.isStreaming === false) finalizeGeneration();
     }, 80);
@@ -560,18 +608,18 @@ function stopStreamingPoll() {
 function finalizeGeneration() {
     stopStreamingPoll();
     const gen = window.xiaobaixStreamingGeneration;
-    const rawText = gen?.getLastGeneration?.(STREAM_SESSION_ID) || '(无响应)';
-    const finalText = extractMsg(rawText) || '(无响应)';
+    const rawText = gen?.getLastGeneration?.(STREAM_SESSION_ID) || '(no response)';
+    const finalText = extractMsg(rawText) || '(no response)';
     const thinkingText = extractThinking(rawText);
-    
+
     isStreaming = false;
-    
+
     const session = getActiveSession();
     if (session) {
         session.history.push({ role: 'ai', content: finalText, thinking: thinkingText || undefined, ts: Date.now() });
         saveFWStore();
     }
-    
+
     postToFrame({ type: 'STREAM_COMPLETE', finalText, thinking: thinkingText });
 }
 
@@ -579,12 +627,12 @@ function cancelGeneration() {
     const gen = window.xiaobaixStreamingGeneration;
     stopStreamingPoll();
     isStreaming = false;
-    try { gen?.cancel?.(STREAM_SESSION_ID); } catch {}
+    try { gen?.cancel?.(STREAM_SESSION_ID); } catch { }
     postToFrame({ type: 'GENERATION_CANCELLED' });
 }
 
 // ════════════════════════════════════════════════════════════════════════════
-// 实时吐槽（保持不变，省略...）
+// Commentary
 // ════════════════════════════════════════════════════════════════════════════
 
 function shouldTriggerCommentary() {
@@ -669,7 +717,7 @@ async function handleAIMessageForCommentary(data) {
     if (!commentary) return;
     const session = getActiveSession();
     if (session) {
-        session.history.push({ role: 'ai', content: `（瞄了眼刚才的台词）${commentary}`, ts: Date.now(), type: 'commentary' });
+        session.history.push({ role: 'ai', content: `(glanced at the last line) ${commentary}`, ts: Date.now(), type: 'commentary' });
         saveFWStore();
     }
     showCommentaryBubble(commentary);
@@ -678,22 +726,22 @@ async function handleAIMessageForCommentary(data) {
 async function handleEditForCommentary(data) {
     if ($('#xiaobaix-fourth-wall-overlay').is(':visible')) return;
     if (!shouldTriggerCommentary()) return;
-    
+
     const ctx = getContext?.() || {};
     const messageId = typeof data === 'object' ? (data.messageId ?? data.id ?? data.index) : data;
     const msgObj = Number.isFinite(messageId) ? ctx?.chat?.[messageId] : null;
     const messageText = getMessageTextFromEventArg(data);
     if (!String(messageText).trim()) return;
-    
+
     await new Promise(r => setTimeout(r, 500 + Math.random() * 500));
-    
+
     const editType = msgObj?.is_user ? 'edit_own' : 'edit_ai';
     const commentary = await generateCommentary(messageText, editType);
     if (!commentary) return;
-    
+
     const session = getActiveSession();
     if (session) {
-        const prefix = editType === 'edit_ai' ? '（发现你改了我的台词）' : '（发现你偷偷改台词）';
+        const prefix = editType === 'edit_ai' ? '(noticed you edited my line) ' : '(caught you sneaking edits) ';
         session.history.push({ role: 'ai', content: `${prefix}${commentary}`, ts: Date.now(), type: 'commentary' });
         saveFWStore();
     }
@@ -705,7 +753,7 @@ function getFloatBtnPosition() {
     if (!btn) return null;
     const rect = btn.getBoundingClientRect();
     let stored = {};
-    try { stored = JSON.parse(localStorage.getItem(`${EXT_ID}:fourthWallFloatBtnPos`) || '{}') || {}; } catch {}
+    try { stored = JSON.parse(localStorage.getItem(`${EXT_ID}:fourthWallFloatBtnPos`) || '{}') || {}; } catch { }
     return { top: rect.top, left: rect.left, width: rect.width, height: rect.height, side: stored.side || 'right' };
 }
 
@@ -771,19 +819,19 @@ function cleanupCommentary() {
     lastCommentaryTime = 0;
 }
 
-// ════════════════════════════════════════════════════════════════════════════
-// Overlay 管理（添加可见性监听）
+// ════════════════════════════════════════════
+// Overlay
 // ════════════════════════════════════════════════════════════════════════════
 
 function createOverlay() {
     if (overlayCreated) return;
     overlayCreated = true;
-    
+
     const isMobile = window.innerWidth <= 768;
     const frameInset = isMobile ? '0px' : '12px';
     const iframeRadius = isMobile ? '0px' : '12px';
     const framePadding = isMobile ? 'padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left) !important;' : '';
-    
+
     const $overlay = $(`
         <div id="xiaobaix-fourth-wall-overlay" style="position:fixed!important;inset:0!important;width:100vw!important;height:100vh!important;height:100dvh!important;z-index:99999!important;display:none;overflow:hidden!important;background:#000!important;">
             <div class="fw-backdrop" style="position:absolute!important;inset:0!important;background:rgba(0,0,0,.55)!important;backdrop-filter:blur(4px)!important;"></div>
@@ -792,13 +840,13 @@ function createOverlay() {
             </div>
         </div>
     `);
-    
+
     $overlay.on('click', '.fw-backdrop', hideOverlay);
     document.body.appendChild($overlay[0]);
     // Guarded by isTrustedMessage (origin + source).
     // eslint-disable-next-line no-restricted-syntax
     window.addEventListener('message', handleFrameMessage);
-    
+
     document.addEventListener('fullscreenchange', () => {
         if (!document.fullscreenElement) {
             postToFrame({ type: 'FULLSCREEN_STATE', isFullscreen: false });
@@ -821,26 +869,23 @@ function showOverlay() {
 
     sendInitData();
     postToFrame({ type: 'FULLSCREEN_STATE', isFullscreen: !!document.fullscreenElement });
-    
-    // ═══════════════════════════ 新增：添加可见性监听 ═══════════════════════════
+
     if (!visibilityHandler) {
         visibilityHandler = handleVisibilityChange;
         document.addEventListener('visibilitychange', visibilityHandler);
     }
-    // ════════════════════════════════════════════════════════════════════════════
 }
 
 function hideOverlay() {
     $('#xiaobaix-fourth-wall-overlay').hide();
-    if (document.fullscreenElement) document.exitFullscreen().catch(() => {});
-    
-    // ═══════════════════════════ 新增：移除可见性监听 ═══════════════════════════
+    if (document.fullscreenElement) document.exitFullscreen().catch(() => { });
+    stopVoiceAndNotify();
+
     if (visibilityHandler) {
         document.removeEventListener('visibilitychange', visibilityHandler);
         visibilityHandler = null;
     }
     pendingPingId = null;
-    // ════════════════════════════════════════════════════════════════════════════
 }
 
 function toggleFullscreen() {
@@ -850,16 +895,16 @@ function toggleFullscreen() {
     if (document.fullscreenElement) {
         document.exitFullscreen().then(() => {
             postToFrame({ type: 'FULLSCREEN_STATE', isFullscreen: false });
-        }).catch(() => {});
+        }).catch(() => { });
     } else if (overlay.requestFullscreen) {
         overlay.requestFullscreen().then(() => {
             postToFrame({ type: 'FULLSCREEN_STATE', isFullscreen: true });
-        }).catch(() => {});
+        }).catch(() => { });
     }
 }
 
 // ════════════════════════════════════════════════════════════════════════════
-// 悬浮按钮（保持不变，省略...）
+// Floating Button
 // ════════════════════════════════════════════════════════════════════════════
 
 function createFloatingButton() {
@@ -871,7 +916,7 @@ function createFloatingButton() {
 
     const clamp = (v, min, max) => Math.min(Math.max(v, min), max);
     const readPos = () => { try { return JSON.parse(localStorage.getItem(POS_KEY) || 'null'); } catch { return null; } };
-    const writePos = (pos) => { try { localStorage.setItem(POS_KEY, JSON.stringify(pos)); } catch {} };
+    const writePos = (pos) => { try { localStorage.setItem(POS_KEY, JSON.stringify(pos)); } catch { } };
     const calcDockLeft = (side, w) => (side === 'left' ? -Math.round(w / 2) : (window.innerWidth - Math.round(w / 2)));
     const applyDocked = (side, topRatio) => {
         const btn = document.getElementById('xiaobaix-fw-float-btn');
@@ -885,20 +930,20 @@ function createFloatingButton() {
     };
 
     const $btn = $(`
-        <button id="xiaobaix-fw-float-btn" title="皮下交流" style="position:fixed!important;left:0px!important;top:0px!important;z-index:9999!important;width:${size}px!important;height:${size}px!important;border-radius:50%!important;border:none!important;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)!important;color:#fff!important;font-size:${Math.round(size * 0.45)}px!important;cursor:pointer!important;box-shadow:0 4px 15px rgba(102,126,234,0.4)!important;display:flex!important;align-items:center!important;justify-content:center!important;transition:left 0.2s,top 0.2s,transform 0.2s,box-shadow 0.2s!important;touch-action:none!important;user-select:none!important;">
+        <button id="xiaobaix-fw-float-btn" title="Fourth Wall" style="position:fixed!important;left:0px!important;top:0px!important;z-index:9999!important;width:${size}px!important;height:${size}px!important;border-radius:50%!important;border:none!important;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)!important;color:#fff!important;font-size:${Math.round(size * 0.45)}px!important;cursor:pointer!important;box-shadow:0 4px 15px rgba(102,126,234,0.4)!important;display:flex!important;align-items:center!important;justify-content:center!important;transition:left 0.2s,top 0.2s,transform 0.2s,box-shadow 0.2s!important;touch-action:none!important;user-select:none!important;">
             <i class="fa-solid fa-comments"></i>
         </button>
     `);
-    
+
     $btn.on('click', () => {
         if (Date.now() < suppressFloatBtnClickUntil) return;
         if (!getSettings().fourthWall?.enabled) return;
         showOverlay();
     });
-    
-    $btn.on('mouseenter', function() { $(this).css({ 'transform': 'scale(1.08)', 'box-shadow': '0 6px 20px rgba(102, 126, 234, 0.5)' }); });
-    $btn.on('mouseleave', function() { $(this).css({ 'transform': 'none', 'box-shadow': '0 4px 15px rgba(102, 126, 234, 0.4)' }); });
-    
+
+    $btn.on('mouseenter', function () { $(this).css({ 'transform': 'scale(1.08)', 'box-shadow': '0 6px 20px rgba(102, 126, 234, 0.5)' }); });
+    $btn.on('mouseleave', function () { $(this).css({ 'transform': 'none', 'box-shadow': '0 4px 15px rgba(102, 126, 234, 0.4)' }); });
+
     document.body.appendChild($btn[0]);
 
     const initial = readPos();
@@ -911,7 +956,7 @@ function createFloatingButton() {
         if (e.button !== undefined && e.button !== 0) return;
         const btn = e.currentTarget;
         pointerId = e.pointerId;
-        try { btn.setPointerCapture(pointerId); } catch {}
+        try { btn.setPointerCapture(pointerId); } catch { }
         const rect = btn.getBoundingClientRect();
         startX = e.clientX; startY = e.clientY; startLeft = rect.left; startTop = rect.top;
         dragging = false;
@@ -937,7 +982,7 @@ function createFloatingButton() {
     const onPointerUp = (e) => {
         if (pointerId === null || e.pointerId !== pointerId) return;
         const btn = e.currentTarget;
-        try { btn.releasePointerCapture(pointerId); } catch {}
+        try { btn.releasePointerCapture(pointerId); } catch { }
         pointerId = null;
         btn.style.transition = '';
         const rect = btn.getBoundingClientRect();
@@ -976,20 +1021,20 @@ function removeFloatingButton() {
     }
 }
 
-// ════════════════════════════════════════════════════════════════════════════
-// 初始化和清理
-// ════════════════════════════════════════════════════════════════════════════
+// ════════════════════════════════════════════
+// Init & Cleanup
+// ════════════════════════════════════════════
 
 function initFourthWall() {
-    try { xbLog.info('fourthWall', 'initFourthWall'); } catch {}
+    try { xbLog.info('fourthWall', 'initFourthWall'); } catch { }
     const settings = getSettings();
     if (!settings.fourthWall?.enabled) return;
-    
+
     createFloatingButton();
     initCommentary();
-    clearExpiredCache();    
+    clearExpiredCache();
     initMessageEnhancer();
-    
+
     events.on(event_types.CHAT_CHANGED, () => {
         cancelGeneration();
         currentLoadedChatId = null;
@@ -999,24 +1044,26 @@ function initFourthWall() {
 }
 
 function fourthWallCleanup() {
-    try { xbLog.info('fourthWall', 'fourthWallCleanup'); } catch {}
+    try { xbLog.info('fourthWall', 'fourthWallCleanup'); } catch { }
     events.cleanup();
     cleanupCommentary();
     removeFloatingButton();
     hideOverlay();
     cancelGeneration();
     cleanupMessageEnhancer();
+    stopCurrentVoice();
+    currentVoiceRequestId = null;
     frameReady = false;
     pendingFrameMessages = [];
     overlayCreated = false;
     currentLoadedChatId = null;
     pendingPingId = null;
-    
+
     if (visibilityHandler) {
         document.removeEventListener('visibilitychange', visibilityHandler);
         visibilityHandler = null;
     }
-    
+
     $('#xiaobaix-fourth-wall-overlay').remove();
     window.removeEventListener('message', handleFrameMessage);
 }
@@ -1026,10 +1073,10 @@ export { initFourthWall, fourthWallCleanup, showOverlay as showFourthWallPopup }
 if (typeof window !== 'undefined') {
     window.fourthWallCleanup = fourthWallCleanup;
     window.showFourthWallPopup = showOverlay;
-    
+
     document.addEventListener('xiaobaixEnabledChanged', e => {
         if (e?.detail?.enabled === false) {
-            try { fourthWallCleanup(); } catch {}
+            try { fourthWallCleanup(); } catch { }
         }
     });
 }
diff --git a/modules/fourth-wall/fw-message-enhancer.js b/modules/fourth-wall/fw-message-enhancer.js
index c3d04f9..359cfb5 100644
--- a/modules/fourth-wall/fw-message-enhancer.js
+++ b/modules/fourth-wall/fw-message-enhancer.js
@@ -1,5 +1,5 @@
 // ════════════════════════════════════════════════════════════════════════════
-// 消息楼层增强器
+// Message Floor Enhancer
 // ════════════════════════════════════════════════════════════════════════════
 
 import { extension_settings } from "../../../../../extensions.js";
@@ -8,113 +8,102 @@ import { createModuleEvents, event_types } from "../../core/event-manager.js";
 import { xbLog } from "../../core/debug-core.js";
 
 import { generateImage, clearQueue } from "./fw-image.js";
-import { 
-    synthesizeSpeech, 
-    loadVoices,
-    VALID_EMOTIONS, 
-    DEFAULT_VOICE, 
-    DEFAULT_SPEED 
-} from "./fw-voice.js";
+import { synthesizeAndPlay, stopCurrent as stopCurrentVoice } from "./fw-voice-runtime.js";
 
-// ════════════════════════════════════════════════════════════════════════════
-// 状态
+// ════════════════════════════════════════════
+// State
 // ════════════════════════════════════════════════════════════════════════════
 
 const events = createModuleEvents('messageEnhancer');
 const CSS_INJECTED_KEY = 'xb-me-css-injected';
 
-let currentAudio = null;
 let imageObserver = null;
 let novelDrawObserver = null;
 
-// ════════════════════════════════════════════════════════════════════════════
-// 初始化与清理
-// ════════════════════════════════════════════════════════════════════════════
+// ════════════════════════════════════════════
+// Init & Cleanup
+// ════════════════════════════════════════════
 
 export async function initMessageEnhancer() {
     const settings = extension_settings[EXT_ID];
     if (!settings?.fourthWall?.enabled) return;
-    
-    xbLog.info('messageEnhancer', '初始化消息增强器');
-    
+
+    xbLog.info('messageEnhancer', 'init message enhancer');
+
     injectStyles();
-    await loadVoices();
     initImageObserver();
     initNovelDrawObserver();
-    
+
     events.on(event_types.CHAT_CHANGED, () => {
         clearQueue();
         setTimeout(processAllMessages, 150);
     });
-    
+
     events.on(event_types.MESSAGE_RECEIVED, handleMessageChange);
     events.on(event_types.USER_MESSAGE_RENDERED, handleMessageChange);
     events.on(event_types.MESSAGE_EDITED, handleMessageChange);
     events.on(event_types.MESSAGE_UPDATED, handleMessageChange);
     events.on(event_types.MESSAGE_SWIPED, handleMessageChange);
-    
+
     events.on(event_types.GENERATION_STOPPED, () => setTimeout(processAllMessages, 150));
     events.on(event_types.GENERATION_ENDED, () => setTimeout(processAllMessages, 150));
-    
+
     processAllMessages();
 }
 
 export function cleanupMessageEnhancer() {
-    xbLog.info('messageEnhancer', '清理消息增强器');
-    
+    xbLog.info('messageEnhancer', 'cleanup message enhancer');
+
     events.cleanup();
     clearQueue();
-    
+
+    stopCurrentVoice();
+
     if (imageObserver) {
         imageObserver.disconnect();
         imageObserver = null;
     }
-    
+
     if (novelDrawObserver) {
         novelDrawObserver.disconnect();
         novelDrawObserver = null;
     }
-    
-    if (currentAudio) {
-        currentAudio.pause();
-        currentAudio = null;
-    }
 }
 
-// ════════════════════════════════════════════════════════════════════════════
-// NovelDraw 兼容
+// ════════════════════════════════════════════
+// NovelDraw Compat
 // ════════════════════════════════════════════════════════════════════════════
 
 function initNovelDrawObserver() {
     if (novelDrawObserver) return;
-    
+
     const chat = document.getElementById('chat');
     if (!chat) {
         setTimeout(initNovelDrawObserver, 500);
         return;
     }
-    
+
     let debounceTimer = null;
     const pendingTexts = new Set();
-    
+
     novelDrawObserver = new MutationObserver((mutations) => {
         const settings = extension_settings[EXT_ID];
         if (!settings?.fourthWall?.enabled) return;
-        
+
         for (const mutation of mutations) {
             for (const node of mutation.addedNodes) {
                 if (node.nodeType !== Node.ELEMENT_NODE) continue;
-                
+
                 const hasNdImg = node.classList?.contains('xb-nd-img') || node.querySelector?.('.xb-nd-img');
                 if (!hasNdImg) continue;
-                
+
                 const mesText = node.closest('.mes_text');
                 if (mesText && hasUnrenderedVoice(mesText)) {
                     pendingTexts.add(mesText);
                 }
             }
         }
-        
+
         if (pendingTexts.size > 0 && !debounceTimer) {
             debounceTimer = setTimeout(() => {
                 pendingTexts.forEach(mesText => {
@@ -125,7 +114,7 @@ function initNovelDrawObserver() {
             }, 50);
         }
     });
-    
+
     novelDrawObserver.observe(chat, { childList: true, subtree: true });
 }
 
@@ -135,15 +124,15 @@ function hasUnrenderedVoice(mesText) {
 }
 
 // ════════════════════════════════════════════════════════════════════════════
-// 事件处理
-// ════════════════════════════════════════════════════════════════════════════
+// Event Handlers
+// ════════════════════════════════════════════
 
 function handleMessageChange(data) {
     setTimeout(() => {
-        const messageId = typeof data === 'object' 
-            ? (data.messageId ?? data.id ?? data.index ?? data.mesId) 
+        const messageId = typeof data === 'object'
+            ? (data.messageId ?? data.id ?? data.index ?? data.mesId)
             : data;
-        
+
         if (Number.isFinite(messageId)) {
             const mesText = document.querySelector(`#chat .mes[mesid="${messageId}"] .mes_text`);
             if (mesText) enhanceMessageContent(mesText);
@@ -160,12 +149,12 @@ function processAllMessages() {
 }
 
 // ════════════════════════════════════════════════════════════════════════════
-// 图片观察器
+// Image Observer
 // ════════════════════════════════════════════════════════════════════════════
 
 function initImageObserver() {
     if (imageObserver) return;
-    
+
     imageObserver = new IntersectionObserver((entries) => {
         entries.forEach(entry => {
             if (!entry.isIntersecting) return;
@@ -180,12 +169,12 @@ function initImageObserver() {
 }
 
 // ════════════════════════════════════════════════════════════════════════════
-// 样式注入
-// ════════════════════════════════════════════════════════════════════════════
+// Style Injection
+// ════════════════════════════════════════════
 
 function injectStyles() {
     if (document.getElementById(CSS_INJECTED_KEY)) return;
-    
+
     const style = document.createElement('style');
     style.id = CSS_INJECTED_KEY;
     style.textContent = `
@@ -251,46 +240,46 @@ function injectStyles() {
     document.head.appendChild(style);
 }
 
-// ════════════════════════════════════════════════════════════════════════════
-// 内容增强
+// ════════════════════════════════════════════
+// Content Enhancement
 // ════════════════════════════════════════════════════════════════════════════
 
 function enhanceMessageContent(container) {
     if (!container) return;
-    
+
     // Rewrites already-rendered message HTML; no new HTML source is introduced here.
     // eslint-disable-next-line no-unsanitized/property
     const html = container.innerHTML;
     let enhanced = html;
     let hasChanges = false;
-    
+
     enhanced = enhanced.replace(/\[(?:img|图片)\s*:\s*([^\]]+)\]/gi, (match, inner) => {
         const tags = parseImageToken(inner);
         if (!tags) return match;
         hasChanges = true;
         return `<div class="xb-img-slot" data-tags="${encodeURIComponent(tags)}"></div>`;
     });
-    
+
     enhanced = enhanced.replace(/\[(?:voice|语音)\s*:([^:]*):([^\]]+)\]/gi, (match, emotionRaw, voiceText) => {
         const txt = voiceText.trim();
         if (!txt) return match;
         hasChanges = true;
         return createVoiceBubbleHTML(txt, (emotionRaw || '').trim().toLowerCase());
     });
-    
+
     enhanced = enhanced.replace(/\[(?:voice|语音)\s*:\s*([^\]:]+)\]/gi, (match, voiceText) => {
         const txt = voiceText.trim();
         if (!txt) return match;
         hasChanges = true;
         return createVoiceBubbleHTML(txt, '');
     });
-    
+
     if (hasChanges) {
         // Replaces existing message HTML with enhanced tokens only.
         // eslint-disable-next-line no-unsanitized/property
         container.innerHTML = enhanced;
     }
-    
+
     hydrateImageSlots(container);
     hydrateVoiceSlots(container);
 }
@@ -313,67 +302,60 @@ function escapeHtml(text) {
     return String(text || '').replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
 }
 
-// ════════════════════════════════════════════════════════════════════════════
-// 图片处理
+// ════════════════════════════════════════════
+// Image Handling
 // ════════════════════════════════════════════════════════════════════════════
 
 function hydrateImageSlots(container) {
     container.querySelectorAll('.xb-img-slot').forEach(slot => {
         if (slot.dataset.observed === '1') return;
         slot.dataset.observed = '1';
-        
+
         if (!slot.dataset.loaded && !slot.dataset.loading && !slot.querySelector('img')) {
-            // Template-only UI markup.
             // eslint-disable-next-line no-unsanitized/property
             slot.innerHTML = `<div class="xb-img-placeholder"><i class="fa-regular fa-image"></i><span>滚动加载</span></div>`;
         }
-        
+
         imageObserver?.observe(slot);
     });
 }
 
 async function loadImage(slot, tags) {
-    // Template-only UI markup.
     // eslint-disable-next-line no-unsanitized/property
     slot.innerHTML = `<div class="xb-img-loading"><i class="fa-solid fa-spinner"></i> 检查缓存...</div>`;
-    
+
     try {
         const base64 = await generateImage(tags, (status, position, delay) => {
             switch (status) {
                 case 'queued':
-                    // Template-only UI markup.
                     // eslint-disable-next-line no-unsanitized/property
                     slot.innerHTML = `<div class="xb-img-loading"><i class="fa-solid fa-clock"></i> 排队中 #${position}</div>`;
                     break;
                 case 'generating':
-                    // Template-only UI markup.
                     // eslint-disable-next-line no-unsanitized/property
                     slot.innerHTML = `<div class="xb-img-loading"><i class="fa-solid fa-palette"></i> 生成中${position > 0 ? ` (${position} 排队)` : ''}...</div>`;
                     break;
                 case 'waiting':
-                    // Template-only UI markup.
                     // eslint-disable-next-line no-unsanitized/property
                     slot.innerHTML = `<div class="xb-img-loading"><i class="fa-solid fa-clock"></i> 排队中 #${position} (${delay}s)</div>`;
                     break;
             }
         });
-        
+
         if (base64) renderImage(slot, base64, false);
-        
+
     } catch (err) {
         slot.dataset.loaded = '1';
         slot.dataset.loading = '';
-        
+
         if (err.message === '队列已清空') {
-            // Template-only UI markup.
             // eslint-disable-next-line no-unsanitized/property
             slot.innerHTML = `<div class="xb-img-placeholder"><i class="fa-regular fa-image"></i><span>滚动加载</span></div>`;
             slot.dataset.loading = '';
             slot.dataset.observed = '';
             return;
         }
-        
-        // Template-only UI markup with escaped error text.
+
         // eslint-disable-next-line no-unsanitized/property
         slot.innerHTML = `<div class="xb-img-error"><i class="fa-solid fa-exclamation-triangle"></i><div>${escapeHtml(err?.message || '失败')}</div><button class="xb-img-retry" data-tags="${encodeURIComponent(tags)}">重试</button></div>`;
         bindRetryButton(slot);
@@ -383,21 +365,19 @@ async function loadImage(slot, tags) {
 function renderImage(slot, base64, fromCache) {
     slot.dataset.loaded = '1';
     slot.dataset.loading = '';
-    
+
     const img = document.createElement('img');
     img.src = `data:image/png;base64,${base64}`;
     img.className = 'xb-generated-img';
     img.onclick = () => window.open(img.src, '_blank');
-    
-    // Template-only UI markup.
+
     // eslint-disable-next-line no-unsanitized/property
     slot.innerHTML = '';
     slot.appendChild(img);
-    
+
     if (fromCache) {
         const badge = document.createElement('span');
         badge.className = 'xb-img-badge';
-        // Template-only UI markup.
         // eslint-disable-next-line no-unsanitized/property
         badge.innerHTML = '<i class="fa-solid fa-bolt"></i>';
         slot.appendChild(badge);
@@ -417,65 +397,60 @@ function bindRetryButton(slot) {
     };
 }
 
-// ════════════════════════════════════════════════════════════════════════════
-// 语音处理
+// ════════════════════════════════════════════
+// Voice Handling
 // ════════════════════════════════════════════════════════════════════════════
 
 function hydrateVoiceSlots(container) {
     container.querySelectorAll('.xb-voice-bubble').forEach(bubble => {
         if (bubble.dataset.bound === '1') return;
         bubble.dataset.bound = '1';
-        
+
         const text = decodeURIComponent(bubble.dataset.text || '');
         const emotion = bubble.dataset.emotion || '';
         if (!text) return;
-        
+
         bubble.onclick = async (e) => {
             e.stopPropagation();
             if (bubble.classList.contains('loading')) return;
-            
-            if (bubble.classList.contains('playing') && currentAudio) {
-                currentAudio.pause();
-                currentAudio = null;
+
+            if (bubble.classList.contains('playing')) {
+                stopCurrentVoice();
                 bubble.classList.remove('playing');
                 return;
             }
-            
-            if (currentAudio) {
-                currentAudio.pause();
-                currentAudio = null;
-            }
-            document.querySelectorAll('.xb-voice-bubble.playing').forEach(el => el.classList.remove('playing'));
-            
-            await playVoice(text, emotion, bubble);
+
+            // Clear other bubble states
+            document.querySelectorAll('.xb-voice-bubble.playing, .xb-voice-bubble.loading').forEach(el => {
+                el.classList.remove('playing', 'loading');
+            });
+
+            bubble.classList.add('loading');
+            bubble.classList.remove('error');
+
+            synthesizeAndPlay(text, emotion, {
+                onState(state, info) {
+                    switch (state) {
+                        case 'loading':
+                            bubble.classList.add('loading');
+                            bubble.classList.remove('playing', 'error');
+                            break;
+                        case 'playing':
+                            bubble.classList.remove('loading', 'error');
+                            bubble.classList.add('playing');
+                            break;
+                        case 'ended':
+                        case 'stopped':
+                            bubble.classList.remove('loading', 'playing');
+                            break;
+                        case 'error':
+                            bubble.classList.remove('loading', 'playing');
+                            bubble.classList.add('error');
+                            setTimeout(() => bubble.classList.remove('error'), 3000);
+                            break;
+                    }
+                },
+            });
         };
     });
 }
-
-async function playVoice(text, emotion, bubbleEl) {
-    bubbleEl.classList.add('loading');
-    bubbleEl.classList.remove('error');
-    
-    try {
-        const settings = extension_settings[EXT_ID]?.fourthWallVoice || {};
-        const audioBase64 = await synthesizeSpeech(text, {
-            voiceKey: settings.voice || DEFAULT_VOICE,
-            speed: settings.speed || DEFAULT_SPEED,
-            emotion: VALID_EMOTIONS.includes(emotion) ? emotion : null
-        });
-        
-        bubbleEl.classList.remove('loading');
-        bubbleEl.classList.add('playing');
-        
-        currentAudio = new Audio(`data:audio/mp3;base64,${audioBase64}`);
-        currentAudio.onended = () => { bubbleEl.classList.remove('playing'); currentAudio = null; };
-        currentAudio.onerror = () => { bubbleEl.classList.remove('playing'); bubbleEl.classList.add('error'); currentAudio = null; };
-        await currentAudio.play();
-        
-    } catch (err) {
-        console.error('[MessageEnhancer] TTS 错误:', err);
-        bubbleEl.classList.remove('loading', 'playing');
-        bubbleEl.classList.add('error');
-        setTimeout(() => bubbleEl.classList.remove('error'), 3000);
-    }
-}
diff --git a/modules/fourth-wall/fw-voice-runtime.js b/modules/fourth-wall/fw-voice-runtime.js
new file mode 100644
index 0000000..6ad6be5
--- /dev/null
+++ b/modules/fourth-wall/fw-voice-runtime.js
@@ -0,0 +1,132 @@
+// ════════════════════════════════════════════
+// 语音运行时 - 统一合成与互斥播放
+// ════════════════════════════════════════════
+
+import { normalizeEmotion } from '../tts/tts-text.js';
+
+let currentAudio = null;
+let currentObjectUrl = null;
+let currentAbort = null;
+let currentRequestId = null;
+
+/**
+ * 合成并播放语音（后播覆盖前播）
+ *
+ * @param {string} text - 要合成的文本
+ * @param {string} [emotion] - 原始情绪字符串（自动 normalize）
+ * @param {Object} [callbacks] - 状态回调
+ * @param {string} [callbacks.requestId] - 请求标识，用于防时序错乱
+ * @param {(state: string, info?: object) => void} [callbacks.onState] - 状态变化回调
+ *   state: 'loading' | 'playing' | 'ended' | 'error' | 'stopped'
+ *   info: { duration?, message? }
+ * @returns {{ stop: () => void }} 控制句柄
+ */
+export function synthesizeAndPlay(text, emotion, callbacks) {
+    const requestId = callbacks?.requestId || `vr_${Date.now()}_${Math.random().toString(36).slice(2, 8)}`;
+    const onState = callbacks?.onState;
+
+    // 停掉前一个（回传 stopped）
+    stopCurrent();
+
+    const abortController = new AbortController();
+    currentAbort = abortController;
+    currentRequestId = requestId;
+
+    const notify = (state, info) => {
+        if (currentRequestId !== requestId && state !== 'stopped') return;
+        onState?.(state, info);
+    };
+
+    notify('loading');
+
+    const run = async () => {
+        const synthesize = window.xiaobaixTts?.synthesize;
+        if (typeof synthesize !== 'function') {
+            throw new Error('请先启用 TTS 模块');
+        }
+
+        const blob = await synthesize(text, {
+            emotion: normalizeEmotion(emotion || ''),
+            signal: abortController.signal,
+        });
+
+        if (abortController.signal.aborted) return;
+        if (currentRequestId !== requestId) return;
+
+        const url = URL.createObjectURL(blob);
+        const audio = new Audio(url);
+
+        // 清理旧的（理论上 stopCurrent 已清理，防御性）
+        cleanup();
+
+        currentAudio = audio;
+        currentObjectUrl = url;
+
+        audio.onloadedmetadata = () => {
+            if (currentRequestId !== requestId) return;
+            notify('playing', { duration: audio.duration || 0 });
+        };
+
+        audio.onended = () => {
+            if (currentRequestId !== requestId) return;
+            notify('ended');
+            cleanup();
+        };
+
+        audio.onerror = () => {
+            if (currentRequestId !== requestId) return;
+            notify('error', { message: '播放失败' });
+            cleanup();
+        };
+
+        await audio.play();
+    };
+
+    run().catch(err => {
+        if (abortController.signal.aborted) return;
+        if (currentRequestId !== requestId) return;
+        notify('error', { message: err?.message || '合成失败' });
+        cleanup();
+    });
+
+    return {
+        stop() {
+            if (currentRequestId === requestId) {
+                stopCurrent();
+            }
+        },
+    };
+}
+
+/**
+ * 停止当前语音（合成中止 + 播放停止 + 资源回收）
+ */
+export function stopCurrent() {
+    if (currentAbort) {
+        try { currentAbort.abort(); } catch { }
+        currentAbort = null;
+    }
+
+    cleanup();
+
+    currentRequestId = null;
+}
+
+// ════════════════════════════════════════════════════════════════════════════
+// 内部
+// ════════════════════════════════════════════════════════════════════════════
+
+function cleanup() {
+    if (currentAudio) {
+        currentAudio.onloadedmetadata = null;
+        currentAudio.onended = null;
+        currentAudio.onerror = null;
+        try { currentAudio.pause(); } catch { }
+        currentAudio = null;
+    }
+
+    if (currentObjectUrl) {
+        URL.revokeObjectURL(currentObjectUrl);
+        currentObjectUrl = null;
+    }
+}
diff --git a/modules/fourth-wall/fw-voice.js b/modules/fourth-wall/fw-voice.js
index c1574c2..a8d3441 100644
--- a/modules/fourth-wall/fw-voice.js
+++ b/modules/fourth-wall/fw-voice.js
@@ -1,8 +1,7 @@
-// ════════════════════════════════════════════════════════════════════════════
-// 语音模块 - TTS 合成服务
+// ════════════════════════════════════════════════════════════════════════════
+// 语音模块 - 常量与提示词指南
 // ════════════════════════════════════════════════════════════════════════════
 
-export const TTS_WORKER_URL = 'https://hstts.velure.codes';
 export const DEFAULT_VOICE = 'female_1';
 export const DEFAULT_SPEED = 1.0;
 
@@ -11,96 +10,9 @@ export const EMOTION_ICONS = {
     happy: '😄', sad: '😢', angry: '😠', surprise: '😮', scare: '😨', hate: '🤢'
 };
 
-let voiceListCache = null;
-let defaultVoiceKey = DEFAULT_VOICE;
-
-// ════════════════════════════════════════════════════════════════════════════
-// 声音列表管理
-// ════════════════════════════════════════════════════════════════════════════
-
-/**
- * 加载可用声音列表
- */
-export async function loadVoices() {
-    if (voiceListCache) return { voices: voiceListCache, defaultVoice: defaultVoiceKey };
-    
-    try {
-        const res = await fetch(`${TTS_WORKER_URL}/voices`);
-        if (!res.ok) throw new Error(`HTTP ${res.status}`);
-        const data = await res.json();
-        voiceListCache = data.voices || [];
-        defaultVoiceKey = data.defaultVoice || DEFAULT_VOICE;
-        return { voices: voiceListCache, defaultVoice: defaultVoiceKey };
-    } catch (err) {
-        console.error('[FW Voice] 加载声音列表失败:', err);
-        return { voices: [], defaultVoice: DEFAULT_VOICE };
-    }
-}
-
-/**
- * 获取已缓存的声音列表
- */
-export function getVoiceList() {
-    return voiceListCache || [];
-}
-
-/**
- * 获取默认声音
- */
-export function getDefaultVoice() {
-    return defaultVoiceKey;
-}
-
-// ════════════════════════════════════════════════════════════════════════════
-// TTS 合成
-// ════════════════════════════════════════════════════════════════════════════
-
-/**
- * 合成语音
- * @param {string} text - 要合成的文本
- * @param {Object} options - 选项
- * @param {string} [options.voiceKey] - 声音标识
- * @param {number} [options.speed] - 语速 0.5-2.0
- * @param {string} [options.emotion] - 情绪
- * @returns {Promise<string>} base64 编码的音频数据
- */
-export async function synthesizeSpeech(text, options = {}) {
-    const {
-        voiceKey = defaultVoiceKey,
-        speed = DEFAULT_SPEED,
-        emotion = null
-    } = options;
-
-    const requestBody = {
-        voiceKey,
-        text: String(text || ''),
-        speed: Number(speed) || DEFAULT_SPEED,
-        uid: 'xb_' + Date.now(),
-        reqid: crypto.randomUUID?.() || `${Date.now()}_${Math.random().toString(36).slice(2)}`
-    };
-
-    if (emotion && VALID_EMOTIONS.includes(emotion)) {
-        requestBody.emotion = emotion;
-        requestBody.emotionScale = 5;
-    }
-
-    const res = await fetch(TTS_WORKER_URL, {
-        method: 'POST',
-        headers: { 'Content-Type': 'application/json' },
-        body: JSON.stringify(requestBody)
-    });
-
-    if (!res.ok) throw new Error(`TTS HTTP ${res.status}`);
-
-    const data = await res.json();
-    if (data.code !== 3000) throw new Error(data.message || 'TTS 合成失败');
-
-    return data.data; // base64 音频
-}
-
 // ════════════════════════════════════════════════════════════════════════════
 // 提示词指南
-// ════════════════════════════════════════════════════════════════════════════
+// ════════════════════════════════════════════
 
 export const VOICE_GUIDELINE = `## 模拟语音
 如需发送语音消息，使用以下格式：
@@ -129,4 +41,4 @@ export const VOICE_GUIDELINE = `## 模拟语音
 [voice:happy:太好了！终于见到你了～]
 [voice::——啊！——不要！]
 
-注意：voice部分需要在<msg>内`;
+注意：voice部分需要在<msg>内`;
\ No newline at end of file
diff --git a/modules/tts/tts.js b/modules/tts/tts.js
index 561aeb3..33f784e 100644
--- a/modules/tts/tts.js
+++ b/modules/tts/tts.js
@@ -1301,6 +1301,7 @@ export async function initTts() {
         openSettings,
         closeSettings,
         player,
+        synthesize: synthesizeForExternal,
         speak: async (text, options = {}) => {
             if (!isModuleEnabled()) return;
             
@@ -1347,6 +1348,106 @@ export async function initTts() {
     };
 }
 
+// ============ External synthesis API (no enqueue) ============
+
+async function synthesizeForExternal(text, options = {}) {
+    if (!isModuleEnabled()) {
+        throw new Error('TTS 模块未启用');
+    }
+
+    const trimmed = String(text || '').trim();
+    if (!trimmed) {
+        throw new Error('合成文本为空');
+    }
+
+    const { emotion, speaker, signal } = options;
+
+    const mySpeakers = config.volc?.mySpeakers || [];
+    const defaultSpeaker = config.volc?.defaultSpeaker || FREE_DEFAULT_VOICE;
+    const resolved = speaker
+        ? resolveSpeakerWithSource(speaker, mySpeakers, defaultSpeaker)
+        : resolveSpeakerWithSource('', mySpeakers, defaultSpeaker);
+
+    const normalizedEmotion = emotion ? normalizeEmotion(emotion) : '';
+
+    if (resolved.source === 'free') {
+        return await synthesizeFreeBlob(trimmed, resolved.value, normalizedEmotion, signal);
+    }
+
+    if (!isAuthConfigured()) {
+        throw new Error('鉴权音色需要配置 API');
+    }
+
+    return await synthesizeAuthBlob(trimmed, resolved, normalizedEmotion, signal);
+}
+
+async function synthesizeFreeBlob(text, voiceKey, emotion, signal) {
+    const freeSpeed = normalizeSpeed(config?.volc?.speechRate);
+
+    const cacheParams = {
+        providerMode: 'free',
+        text,
+        speaker: voiceKey,
+        freeSpeed,
+        emotion: emotion || '',
+    };
+
+    const cacheHit = await tryLoadLocalCache(cacheParams);
+    if (cacheHit?.entry?.blob) return cacheHit.entry.blob;
+
+    const { synthesizeFreeV1 } = await import('./tts-api.js');
+    const { audioBase64 } = await synthesizeFreeV1({ text, voiceKey, speed: freeSpeed, emotion: emotion || null }, { signal });
+
+    const byteString = atob(audioBase64);
+    const bytes = new Uint8Array(byteString.length);
+    for (let j = 0; j < byteString.length; j++) bytes[j] = byteString.charCodeAt(j);
+    const blob = new Blob([bytes], { type: 'audio/mpeg' });
+
+    const cacheKey = buildCacheKey(cacheParams);
+    storeLocalCache(cacheKey, blob, { text: text.slice(0, 200), textLength: text.length, speaker: voiceKey, resourceId: 'free' }).catch(() => {});
+
+    return blob;
+}
+
+async function synthesizeAuthBlob(text, resolved, emotion, signal) {
+    const resourceId = resolved.resourceId || inferResourceIdBySpeaker(resolved.value);
+    const params = {
+        providerMode: 'auth',
+        appId: config.volc.appId,
+        accessKey: config.volc.accessKey,
+        resourceId,
+        speaker: resolved.value,
+        text,
+        format: 'mp3',
+        sampleRate: 24000,
+        speechRate: speedToV3SpeechRate(config.volc.speechRate),
+        loudnessRate: 0,
+        emotionScale: config.volc.emotionScale,
+        explicitLanguage: config.volc.explicitLanguage,
+        disableMarkdownFilter: config.volc.disableMarkdownFilter,
+        disableEmojiFilter: config.volc.disableEmojiFilter,
+        enableLanguageDetector: config.volc.enableLanguageDetector,
+        maxLengthToFilterParenthesis: config.volc.maxLengthToFilterParenthesis,
+        postProcessPitch: config.volc.postProcessPitch,
+        signal,
+    };
+
+    if (emotion) { params.emotion = emotion; }
+    if (resourceId === 'seed-tts-1.0' && config.volc.useTts11 !== false) { params.model = 'seed-tts-1.1'; }
+    if (config.volc.serverCacheEnabled) { params.cacheConfig = { text_type: 1, use_cache: true }; }
+
+    const cacheHit = await tryLoadLocalCache(params);
+    if (cacheHit?.entry?.blob) return cacheHit.entry.blob;
+
+    const headers = buildV3Headers(resourceId, config);
+    const result = await synthesizeV3(params, headers);
+
+    const cacheKey = buildCacheKey(params);
+    storeLocalCache(cacheKey, result.audioBlob, { text: text.slice(0, 200), textLength: text.length, speaker: resolved.value, resourceId, usage: result.usage || null }).catch(() => {});
+
+    return result.audioBlob;
+}
+
 export function cleanupTts() {
     moduleInitialized = false;