diff --git a/static/index.html b/static/index.html
index 8f29dda..547b595 100644
--- a/static/index.html
+++ b/static/index.html
@@ -3,7 +3,7 @@
 <head>
 <meta charset="UTF-8">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
-<title>Bilibili Live → Yukkuri TTS</title>
+<title>B站直播 → ゆっくり TTS</title>
 <style>
   :root {
     --bg: #1a1a2e;
@@ -227,11 +227,11 @@
 </head>
 <body>
 <div class="container">
-  <h1>Bilibili Live &rarr; Yukkuri TTS</h1>
+  <h1>B站直播 &rarr; ゆっくり TTS</h1>
 
   <!-- Login Card -->
   <div class="card" id="login-card">
-    <h2>Login</h2>
+    <h2>登录</h2>
     <div class="login-area">
       <div class="qr-box" id="qr-box">
         <div class="qr-placeholder" id="qr-placeholder">
@@ -246,18 +246,18 @@
             <rect x="6" y="16" width="2" height="2"/>
             <rect x="14" y="16" width="2" height="2"/>
           </svg>
-          <span>Click "Login"<br/>to get QR code</span>
+          <span>点击"登录"<br/>获取二维码</span>
         </div>
         <img id="qr-img" src="" alt="QR Code" style="display:none">
         <div id="qr-overlay" style="display:none"></div>
       </div>
       <div class="qr-info">
         <div id="login-status" class="status-text">
-          Not logged in — anonymous danmaku may have censored usernames.
+          未登录 — 匿名弹幕的用户名可能被隐藏。
         </div>
         <div>
-          <button class="btn btn-login" id="btn-login" onclick="startLogin()">Login with QR</button>
-          <button class="btn btn-login" id="btn-logout" onclick="doLogout()" style="display:none">Logout</button>
+          <button class="btn btn-login" id="btn-login" onclick="startLogin()">扫码登录</button>
+          <button class="btn btn-login" id="btn-logout" onclick="doLogout()" style="display:none">退出登录</button>
         </div>
       </div>
     </div>
@@ -265,55 +265,55 @@
 
   <!-- Config Card -->
   <div class="card">
-    <h2>Configuration</h2>
+    <h2>配置</h2>
     <div class="form-row">
       <div class="form-group">
-        <label for="room-id">Room ID</label>
-        <input type="number" id="room-id" placeholder="e.g. 12235923" value="">
+        <label for="room-id">房间号</label>
+        <input type="number" id="room-id" placeholder="例如 12235923" value="">
       </div>
       <div class="form-group" style="max-width:120px">
-        <label for="voice">Voice</label>
+        <label for="voice">音色</label>
         <select id="voice">
-          <option value="f1">f1 (Reimu)</option>
-          <option value="f2">f2 (Marisa)</option>
-          <option value="m1">m1 (Male 1)</option>
-          <option value="m2">m2 (Male 2)</option>
-          <option value="r1">r1 (Robot)</option>
+          <option value="f1">f1 (灵梦)</option>
+          <option value="f2">f2 (魔理沙)</option>
+          <option value="m1">m1 (男声1)</option>
+          <option value="m2">m2 (男声2)</option>
+          <option value="r1">r1 (机器人)</option>
           <option value="dvd">dvd</option>
           <option value="imd1">imd1</option>
           <option value="jgr">jgr</option>
         </select>
       </div>
       <div class="form-group" style="max-width:140px">
-        <label for="speed">Speed (<span id="speed-val">100</span>)</label>
+        <label for="speed">语速 (<span id="speed-val">100</span>)</label>
         <input type="range" id="speed" min="50" max="300" value="100"
                oninput="document.getElementById('speed-val').textContent=this.value">
       </div>
       <div class="form-group" style="max-width:140px">
-        <label for="volume">Volume (<span id="volume-val">100</span>%)</label>
+        <label for="volume">音量 (<span id="volume-val">100</span>%)</label>
         <input type="range" id="volume" min="0" max="200" value="100"
                oninput="document.getElementById('volume-val').textContent=this.value">
       </div>
     </div>
     <div class="btn-row">
-      <button class="btn btn-start" id="btn-start" onclick="startTTS()">Start</button>
-      <button class="btn btn-stop" id="btn-stop" onclick="stopTTS()" disabled>Stop</button>
+      <button class="btn btn-start" id="btn-start" onclick="startTTS()">开始</button>
+      <button class="btn btn-stop" id="btn-stop" onclick="stopTTS()" disabled>停止</button>
     </div>
   </div>
 
   <!-- Event Voice Rules Card -->
   <div class="card" id="rules-card">
-    <h2>Event Voice Rules</h2>
+    <h2>事件语音规则</h2>
     <div class="rule-list" id="rule-list"></div>
     <div class="form-row" style="margin-top:10px; align-items:center">
-      <label class="chk-label"><input type="checkbox" id="rule-skip-free"> Skip free gifts</label>
+      <label class="chk-label"><input type="checkbox" id="rule-skip-free"> 跳过免费礼物</label>
       <span style="flex:1"></span>
-      <button class="btn btn-login" onclick="saveRules()">Save Rules</button>
+      <button class="btn btn-login" onclick="saveRules()">保存规则</button>
     </div>
     <div class="rule-hint" style="margin-top:8px; font-size:0.78rem; color:var(--text-dim); line-height:1.6">
-      Variables: {uname} {msg} | {viewer_name} {gift_name} {gift_num} {blind_box_gift} |
+      可用变量：{uname} {msg} | {viewer_name} {gift_name} {gift_num} {blind_box_gift} |
       {ships_viewer_name} {ships_level} {ships_num} {guard_days} | {super_chat_content} {super_chat_price} |
-      {interact_type} {user_uid} — empty template = event muted.
+      {interact_type} {user_uid} — 模板留空 = 该事件静音。
     </div>
   </div>
 
@@ -321,14 +321,14 @@
   <div class="card">
     <div class="status-bar">
       <span class="status-dot dot-off" id="status-dot"></span>
-      <span id="status-text">Stopped</span>
+      <span id="status-text">已停止</span>
     </div>
     <div class="stats">
-      <div>Messages: <span id="stat-msgs">0</span></div>
-      <div>Uptime: <span id="stat-uptime">00:00</span></div>
+      <div>消息数: <span id="stat-msgs">0</span></div>
+      <div>运行时长: <span id="stat-uptime">00:00</span></div>
     </div>
     <div id="log" style="margin-top:12px">
-      <span class="msg">Ready. Login with QR (optional), set Room ID, then click Start.</span>
+      <span class="msg">就绪。可选扫码登录，填写房间号后点击开始。</span>
     </div>
   </div>
 </div>
@@ -348,13 +348,13 @@ function fmtUptime(sec) {
 
 async function startLogin() {
   document.getElementById('btn-login').disabled = true;
-  document.getElementById('login-status').innerHTML = '<div class="spinner"></div> Generating...';
+  document.getElementById('login-status').innerHTML = '<div class="spinner"></div> 正在生成...';
 
   try {
     const resp = await fetch('/api/qr/generate');
     const data = await resp.json();
     if (data.error) {
-      document.getElementById('login-status').textContent = 'Error: ' + data.error;
+      document.getElementById('login-status').textContent = '错误: ' + data.error;
       document.getElementById('btn-login').disabled = false;
       return;
     }
@@ -365,13 +365,13 @@ async function startLogin() {
     document.getElementById('qr-overlay').style.display = 'none';
     document.getElementById('login-status').textContent = '请使用Bilibili客户端扫码';
     document.getElementById('btn-login').disabled = false;
-    document.getElementById('btn-login').textContent = 'Refresh QR';
+    document.getElementById('btn-login').textContent = '刷新二维码';
 
     loginPollKey = data.qrcode_key;
     if (qrPollTimer) clearInterval(qrPollTimer);
     qrPollTimer = setInterval(pollLoginStatus, 2000);
   } catch (e) {
-    document.getElementById('login-status').textContent = 'Network error: ' + e.message;
+    document.getElementById('login-status').textContent = '网络错误: ' + e.message;
     document.getElementById('btn-login').disabled = false;
   }
 }
@@ -391,11 +391,11 @@ async function pollLoginStatus() {
       document.getElementById('qr-placeholder').style.display = 'none';
       showOverlay(false, '', '');
       document.getElementById('login-status').innerHTML =
-        '<div class="user-info"><span class="status-dot dot-on"></span> Login: ' + escapeHtml(data.username || 'Unknown') + '</div>';
+        '<div class="user-info"><span class="status-dot dot-on"></span> 已登录: ' + escapeHtml(data.username || '未知') + '</div>';
       document.getElementById('btn-login').style.display = 'none';
       document.getElementById('btn-logout').style.display = 'inline-block';
       document.getElementById('btn-login').disabled = false;
-      document.getElementById('btn-login').textContent = 'Login with QR';
+      document.getElementById('btn-login').textContent = '扫码登录';
       updateLoginStatusCard(true, data.username || '');
     } else if (st === 86090) {
       // Scanned, waiting
@@ -411,9 +411,9 @@ async function pollLoginStatus() {
       loginPollKey = null;
       showOverlay(true, 'expired', '二维码已过期');
       document.getElementById('login-status').textContent = '二维码已过期，请点击刷新';
-      document.getElementById('btn-login').textContent = 'Refresh QR';
+      document.getElementById('btn-login').textContent = '刷新二维码';
     } else {
-      document.getElementById('login-status').textContent = data.message || ('Status: ' + st);
+      document.getElementById('login-status').textContent = data.message || ('状态: ' + st);
     }
   } catch (e) {
     // ignore network errors during polling
@@ -442,10 +442,10 @@ async function doLogout() {
   document.getElementById('qr-img').src = '';
   document.getElementById('qr-placeholder').style.display = 'flex';
   document.getElementById('qr-overlay').style.display = 'none';
-  document.getElementById('login-status').textContent = 'Not logged in — anonymous danmaku may have censored usernames.';
+  document.getElementById('login-status').textContent = '未登录 — 匿名弹幕的用户名可能被隐藏。';
   document.getElementById('btn-login').style.display = 'inline-block';
   document.getElementById('btn-logout').style.display = 'none';
-  document.getElementById('btn-login').textContent = 'Login with QR';
+  document.getElementById('btn-login').textContent = '扫码登录';
 }
 
 function updateLoginStatusCard(loggedIn, username) {
@@ -456,7 +456,7 @@ function updateLoginStatusCard(loggedIn, username) {
 
 async function startTTS() {
   const roomId = document.getElementById('room-id').value;
-  if (!roomId) { alert('Please enter a Room ID'); return; }
+  if (!roomId) { alert('请输入房间号'); return; }
 
   const config = {
     room_id: parseInt(roomId),
@@ -472,13 +472,13 @@ async function startTTS() {
       body: JSON.stringify(config)
     });
     const data = await resp.json();
-    if (data.error) { alert('Error: ' + data.error); return; }
+    if (data.error) { alert('错误: ' + data.error); return; }
 
     running = true;
     updateButtons();
     startPolling();
   } catch (e) {
-    alert('Failed to connect: ' + e.message);
+    alert('连接失败: ' + e.message);
   }
 }
 
@@ -491,7 +491,7 @@ async function stopTTS() {
   updateButtons();
   if (pollTimer) { clearInterval(pollTimer); pollTimer = null; }
   document.getElementById('status-dot').className = 'status-dot dot-off';
-  document.getElementById('status-text').textContent = 'Stopped';
+  document.getElementById('status-text').textContent = '已停止';
 }
 
 function updateButtons() {
@@ -519,10 +519,10 @@ async function pollStatus() {
     const txt = document.getElementById('status-text');
     if (s.running) {
       dot.className = 'status-dot dot-on';
-      txt.textContent = 'Running';
+      txt.textContent = '运行中';
     } else {
       dot.className = 'status-dot dot-off';
-      txt.textContent = 'Stopped';
+      txt.textContent = '已停止';
     }
 
     document.getElementById('stat-msgs').textContent = s.messages_processed;
@@ -532,7 +532,7 @@ async function pollStatus() {
     const msgs = s.recent_messages || [];
     log.innerHTML = msgs.length > 0
       ? msgs.map(m => '<span class="msg">' + escapeHtml(m) + '</span>').join('\n')
-      : '<span class="msg">Waiting for danmaku...</span>';
+      : '<span class="msg">等待弹幕...</span>';
     log.scrollTop = log.scrollHeight;
   } catch(e) {
     // Server may have stopped
@@ -559,7 +559,7 @@ async function checkExistingLogin() {
     const data = await resp.json();
     if (data.logged_in) {
       document.getElementById('login-status').innerHTML =
-        '<div class="user-info"><span class="status-dot dot-on"></span> Login: ' + escapeHtml(data.username) + '</div>';
+        '<div class="user-info"><span class="status-dot dot-on"></span> 已登录: ' + escapeHtml(data.username) + '</div>';
       document.getElementById('btn-login').style.display = 'none';
       document.getElementById('btn-logout').style.display = 'inline-block';
       document.getElementById('qr-placeholder').style.display = 'none';
@@ -570,10 +570,10 @@ async function checkExistingLogin() {
 // ── Event voice rules ────────────────────────────────────────────────────
 
 const RULE_LABELS = {
-  danmaku: 'Danmaku', gift: 'Gift', blind_box: 'Blind Box',
-  enter_room: 'Enter Room', follow: 'Follow', like: 'Like',
-  interact_other: 'Interact', buy_guard: 'Buy Guard',
-  guard_toast: 'Guard Toast', super_chat: 'Super Chat',
+  danmaku: '弹幕', gift: '礼物', blind_box: '盲盒礼物',
+  enter_room: '进入房间', follow: '关注', like: '点赞',
+  interact_other: '其他互动', buy_guard: '上舰',
+  guard_toast: '上舰提示', super_chat: '醒目留言',
 };
 
 async function loadRules() {
@@ -600,7 +600,7 @@ function renderRules(rules) {
     const input = document.createElement('input');
     input.type = 'text';
     input.dataset.key = key;
-    input.placeholder = 'Empty = muted';
+    input.placeholder = '留空 = 静音';
     input.value = (rules.templates && rules.templates[key]) || '';
     row.appendChild(name);
     row.appendChild(chk);
@@ -632,11 +632,11 @@ async function saveRules() {
       body: JSON.stringify(payload),
     });
     const data = await resp.json();
-    if (data.error) { alert('Save failed: ' + data.error); return; }
+    if (data.error) { alert('保存失败: ' + data.error); return; }
     renderRules(data.rules);
-    alert('Rules saved. Restart TTS to apply.');
+    alert('规则已保存。重启TTS后生效。');
   } catch(e) {
-    alert('Save failed: ' + e.message);
+    alert('保存失败: ' + e.message);
   }
 }
 
