diff --git a/speech-t2a.html b/speech-t2a.html
deleted file mode 100644
index eca7cfc..0000000
--- a/speech-t2a.html
+++ /dev/null
@@ -1,799 +0,0 @@
-<!DOCTYPE html>
-<html lang="zh-CN">
-<head>
-  <meta charset="UTF-8" />
-  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>MiniMax Speech HD TTS</title>
-  <style>
-    :root {
-      --bg: #0f1117; --surface: #1a1d27; --border: #2a2d3a;
-      --accent: #7c6af7; --text: #e0e0e0; --muted: #888; --radius: 10px;
-    }
-    * { box-sizing: border-box; margin: 0; padding: 0; }
-    body {
-      font-family: 'Inter','PingFang SC','Microsoft YaHei',sans-serif;
-      background: var(--bg); color: var(--text);
-      min-height: 100vh; display: flex; justify-content: center;
-      align-items: flex-start; padding: 40px 16px;
-    }
-    .container { width: 100%; max-width: 680px; }
-    h1 {
-      font-size: 1.5rem; font-weight: 700; text-align: center; margin-bottom: 6px;
-      background: linear-gradient(135deg,#a78bfa,#f472b6);
-      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
-    }
-    .subtitle { text-align: center; color: var(--muted); font-size: 0.8rem; margin-bottom: 28px; }
-    .card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 16px; }
-    label { display: block; font-size: 0.78rem; font-weight: 600; color: var(--muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.06em; }
-    .row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
-    input[type="text"], input[type="password"], textarea, select {
-      width: 100%; background: #11131a; border: 1px solid var(--border);
-      border-radius: 6px; color: var(--text); font-size: 0.9rem;
-      padding: 10px 12px; outline: none; transition: border-color 0.2s;
-    }
-    input:focus, textarea:focus, select:focus { border-color: var(--accent); }
-    textarea { resize: vertical; min-height: 110px; line-height: 1.6; }
-    select { cursor: pointer; }
-    .btn-row { display: flex; gap: 10px; margin-top: 16px; }
-    .btn {
-      flex: 1; padding: 12px; border: none; border-radius: 6px;
-      font-size: 0.9rem; font-weight: 600; cursor: pointer;
-      transition: opacity 0.2s, transform 0.1s;
-    }
-    .btn:active { transform: scale(0.97); }
-    .btn:disabled { opacity: 0.45; cursor: not-allowed; }
-    .btn-primary { background: linear-gradient(135deg,#7c6af7,#a78bfa); color: #fff; }
-    .btn-danger { background: #2a1a1a; border: 1px solid #5a2a2a; color: #ff8080; }
-    .btn-secondary { background: #1a1d27; border: 1px solid var(--border); color: var(--text); }
-    .log-area {
-      background: #0a0b10; border: 1px solid var(--border); border-radius: 6px;
-      padding: 12px; font-family: 'Fira Code',monospace; font-size: 0.73rem;
-      color: #9ca3af; max-height: 180px; overflow-y: auto; margin-top: 10px; line-height: 1.7;
-    }
-    .log-line { display: flex; gap: 8px; }
-    .log-ts { color: #4b5563; flex-shrink: 0; }
-    .log-info { color: #6ee7b7; } .log-warn { color: #fde68a; }
-    .log-err  { color: #f87171; } .log-audio { color: #93c5fd; }
-    .progress-bar {
-      height: 3px; background: var(--border); border-radius: 2px;
-      margin-top: 12px; overflow: hidden; opacity: 0; transition: opacity 0.3s;
-    }
-    .progress-bar.active { opacity: 1; }
-    .progress-fill {
-      height: 100%; background: linear-gradient(90deg,#7c6af7,#a78bfa);
-      width: 0%; transition: width 0.4s ease;
-    }
-    .status-badge {
-      display: inline-block; font-size: 0.72rem; padding: 2px 8px;
-      border-radius: 20px; margin-left: 8px; vertical-align: middle;
-    }
-    .status-idle       { background:#1f2937; color:#6b7280; }
-    .status-connecting { background:#1f2a1f; color:#86efac; }
-    .status-playing    { background:#1f1f2e; color:#a78bfa; }
-    .status-done       { background:#1a2e1a; color:#4ade80; }
-    .status-error      { background:#2e1a1a; color:#f87171; }
-    #waveform { width:100%; height:48px; margin-top:10px; border-radius:4px; display:block; }
-    .speed-slider {
-      -webkit-appearance:none; width:100%; height:4px; border-radius:2px;
-      background: var(--border); outline:none; margin:8px 0;
-    }
-    .speed-slider::-webkit-slider-thumb {
-      -webkit-appearance:none; width:14px; height:14px; border-radius:50%;
-      background:var(--accent); cursor:pointer;
-    }
-    .speed-val { font-size:0.78rem; color:var(--accent); float:right; }
-    .hint { font-size:0.72rem; color:var(--muted); margin-top:6px; }
-    .hint a { color:#a78bfa; }
-    /* hidden native audio element */
-    #nativeAudio { display: none; }
-  </style>
-</head>
-<body>
-<div class="container">
-  <h1>🎙️ MiniMax Speech HD TTS</h1>
-  <p class="subtitle">HTTP 流式文字转语音 · speech-2.8-hd</p>
-
-  <!-- Hidden native audio for reliable playback -->
-  <audio id="nativeAudio" controls></audio>
-
-  <div class="card">
-    <label>API Key <span style="font-weight:400;text-transform:none;font-size:0.7rem;color:#4b5563">（自动保存到本地）</span></label>
-    <input type="password" id="apiKey" placeholder="输入你的 MiniMax API Key（如 Group-xxxxxxxx）" autocomplete="off" />
-    <p class="hint">
-      填写后回车或点击空白处保存。刷新页面不丢失。
-    </p>
-  </div>
-
-  <div class="card">
-    <div class="row">
-      <div>
-        <label>音色 (voice_id)</label>
-        <select id="voiceId">
-          <optgroup label="中文">
-            <option value="male-qn-qingse">male-qn-qingse（青年女声）</option>
-            <option value="male-qn-baiyang">male-qn-baiyang（青年男声-白扬）</option>
-            <option value="female-tianmei">female-tianmei（甜美女声）</option>
-            <option value="female-shaonv">female-shaonv（少女声）</option>
-            <option value="male-shaonian">male-shaonian（少年声）</option>
-            <option value="male-zhongtan">male-zhongtan（中年男声）</option>
-            <option value="female-yujie">female-yujie（御姐音）</option>
-            <option value="female-xiaochao">female-xiaochao（小潮音色）</option>
-            <option value="male-happyman">male-happyman（开心男声）</option>
-          </optgroup>
-          <optgroup label="英语">
-            <option value="male-cenek">male-cenek（英语男声-Cenek）</option>
-            <option value="female-alice">female-alice（英语女声-Alice）</option>
-            <option value="male-joshua">male-joshua（英语男声-Joshua）</option>
-            <option value="female-maverick">female-maverick（英语女声-Maverick）</option>
-          </optgroup>
-          <optgroup label="日语">
-            <option value="male-jp-qingse">male-jp-qingse</option>
-            <option value="female-jp-qingse">female-jp-qingse</option>
-          </optgroup>
-          <optgroup label="韩语">
-            <option value="male-kr-qingse">male-kr-qingse</option>
-            <option value="female-kr-qingse">female-kr-qingse</option>
-          </optgroup>
-        </select>
-      </div>
-      <div>
-        <label>模型</label>
-        <select id="model">
-          <option value="speech-2.8-hd">speech-2.8-hd（高清）</option>
-          <option value="speech-2.6-hd">speech-2.6-hd</option>
-          <option value="speech-02-hd">speech-02-hd（克隆音质）</option>
-          <option value="speech-2.8-turbo">speech-2.8-turbo（快速）</option>
-          <option value="speech-2.6-turbo">speech-2.6-turbo</option>
-          <option value="speech-02-turbo">speech-02-turbo</option>
-        </select>
-      </div>
-    </div>
-
-    <div style="margin-top:14px">
-      <label>语速 <span class="speed-val" id="speedVal">1.00x</span></label>
-      <input type="range" class="speed-slider" id="speed" min="0.5" max="2.0" step="0.05" value="1.0" />
-    </div>
-
-    <div class="row" style="margin-top:14px">
-      <div>
-        <label>音频格式</label>
-        <select id="format">
-          <option value="mp3">mp3</option>
-          <option value="wav">wav</option>
-          <option value="flac">flac</option>
-        </select>
-      </div>
-      <div>
-        <label>采样率</label>
-        <select id="sampleRate">
-          <option value="16000">16000 Hz</option>
-          <option value="32000" selected>32000 Hz</option>
-          <option value="44100">44100 Hz</option>
-          <option value="48000">48000 Hz</option>
-        </select>
-      </div>
-    </div>
-
-    <div class="row" style="margin-top:14px">
-      <div>
-        <label>音量</label>
-        <select id="vol">
-          <option value="0.5">0.5（低）</option>
-          <option value="0.75">0.75</option>
-          <option value="1" selected>1.0（正常）</option>
-          <option value="1.25">1.25</option>
-          <option value="1.5">1.5（高）</option>
-        </select>
-      </div>
-      <div>
-        <label>音调</label>
-        <select id="pitch">
-          <option value="-5">-5（低沉）</option>
-          <option value="-2">-2</option>
-          <option value="0" selected>0（正常）</option>
-          <option value="2">2</option>
-          <option value="5">5（高亢）</option>
-        </select>
-      </div>
-    </div>
-
-    <div class="row" style="margin-top:14px">
-      <div>
-        <label>情绪（仅 HD/Turbo）</label>
-        <select id="emotion">
-          <option value="">不指定（自动）</option>
-          <option value="happy">happy</option>
-          <option value="sad">sad</option>
-          <option value="angry">angry</option>
-          <option value="surprised">surprised</option>
-          <option value="calm">calm</option>
-          <option value="whisper">whisper（2.6turbo）</option>
-        </select>
-      </div>
-      <div>
-        <label>流式输出</label>
-        <select id="streamMode">
-          <option value="true">是（实时，边收边播）</option>
-          <option value="false" selected>否（等完成后再播）</option>
-        </select>
-      </div>
-    </div>
-  </div>
-
-  <div class="card">
-    <label>输入文字（最多 10000 字符）</label>
-    <textarea id="textInput" placeholder="输入要转换的文字，例如：真正的危险不是计算机开始像人一样思考，而是人开始像计算机一样思考。" maxlength="10000"></textarea>
-    <div style="text-align:right;font-size:0.72rem;color:var(--muted);margin-top:4px;">
-      <span id="charCount">0</span> / 10000
-    </div>
-  </div>
-
-  <div class="btn-row">
-    <button class="btn btn-primary" id="btnPlay" onclick="startSynthesis()">▶ 开始合成</button>
-    <button class="btn btn-danger" id="btnStop" onclick="stopSynthesis()" disabled>■ 停止</button>
-  </div>
-  <div class="btn-row" style="margin-top:8px">
-    <button class="btn btn-secondary" id="btnDownload" onclick="downloadAudio()" disabled>💾 下载音频</button>
-    <button class="btn btn-secondary" id="btnReplay" onclick="replayAudio()" disabled>🔁 重新播放</button>
-  </div>
-
-  <div class="progress-bar" id="progressBar">
-    <div class="progress-fill" id="progressFill"></div>
-  </div>
-  <canvas id="waveform"></canvas>
-
-  <div class="card">
-    <div style="display:flex;align-items:center;gap:8px;margin-bottom:8px;">
-      <label style="margin:0">日志</label>
-      <span class="status-badge status-idle" id="statusBadge">空闲</span>
-    </div>
-    <div class="log-area" id="logArea"></div>
-  </div>
-</div>
-
-<script>
-'use strict';
-
-// ── State ──────────────────────────────────────────────
-let audioChunks  = [];      // base64 string chunks
-let audioBuffer  = null;     // decoded AudioBuffer (for visualization)
-let audioBlobUrl = null;     // blob URL for native <audio>
-let isPlaying    = false;
-let abortCtrl    = null;
-let animId       = null;
-let analyserNode = null;
-let sourceNode   = null;
-
-// ── DOM ───────────────────────────────────────────────
-const $  = id => document.getElementById(id);
-const btnPlay     = $('btnPlay');
-const btnStop     = $('btnStop');
-const btnDownload = $('btnDownload');
-const btnReplay   = $('btnReplay');
-const logArea     = $('logArea');
-const statusBadge = $('statusBadge');
-const progressBar = $('progressBar');
-const progressFill= $('progressFill');
-const charCount   = $('charCount');
-const speedVal    = $('speedVal');
-const canvas      = $('waveform');
-const canvasCtx   = canvas.getContext('2d');
-const nativeAudio = $('nativeAudio');
-
-// ── Persistence: API Key ──────────────────────────────
-const LS_KEY = 'mm_tts_apikey';
-
-function saveApiKey() {
-  const val = $('apiKey').value.trim();
-  if (val) localStorage.setItem(LS_KEY, val);
-}
-
-function loadApiKey() {
-  const saved = localStorage.getItem(LS_KEY);
-  if (saved) $('apiKey').value = saved;
-}
-
-// Auto-save on input blur / enter
-$('apiKey').addEventListener('blur', saveApiKey);
-$('apiKey').addEventListener('keydown', e => {
-  if (e.key === 'Enter') { e.preventDefault(); saveApiKey(); $('apiKey').blur(); }
-});
-
-// ── Init ───────────────────────────────────────────────
-function init() {
-  loadApiKey();
-  $('speed').addEventListener('input', e => speedVal.textContent = parseFloat(e.target.value).toFixed(2) + 'x');
-  $('textInput').addEventListener('input', e => charCount.textContent = e.target.value.length);
-  resizeCanvas();
-  window.addEventListener('resize', resizeCanvas);
-  drawIdle();
-
-  // Wire native audio events
-  nativeAudio.addEventListener('ended', () => {
-    isPlaying = false;
-    stopVisualizer();
-    setStatus('完成', 'status-done');
-    log('✅ 播放完毕', 'info');
-    onDone();
-  });
-  nativeAudio.addEventListener('error', e => {
-    log('⚠️ 音频播放错误: ' + (nativeAudio.error && nativeAudio.error.message), 'err');
-    isPlaying = false;
-    onDone();
-  });
-  nativeAudio.addEventListener('playing', () => {
-    setStatus('播放中', 'status-playing');
-    startVisualizer();
-  });
-}
-init();
-
-// ── Canvas ─────────────────────────────────────────────
-function resizeCanvas() {
-  const dpr = window.devicePixelRatio || 1;
-  canvas.width  = canvas.offsetWidth  * dpr;
-  canvas.height = canvas.offsetHeight * dpr;
-  canvasCtx.scale(dpr, dpr);
-}
-
-function drawIdle() {
-  const w = canvas.offsetWidth, h = canvas.offsetHeight;
-  canvasCtx.clearRect(0, 0, w, h);
-  for (let i = 0; i < 72; i++) {
-    const x = i * (w / 72 - 1), y = (h - 4) / 2;
-    canvasCtx.fillStyle = '#2a2d3a';
-    canvasCtx.beginPath();
-    canvasCtx.roundRect(x, y, w / 72 - 1, 4, 2);
-    canvasCtx.fill();
-  }
-}
-
-let audioCtxViz = null;
-
-function startVisualizer() {
-  if (!audioCtxViz) {
-    audioCtxViz = new (window.AudioContext || window.webkitAudioContext)();
-  }
-  if (!analyserNode) {
-    analyserNode = audioCtxViz.createAnalyser();
-    analyserNode.fftSize = 256;
-  }
-  try {
-    const track = nativeAudio.captureStream ? nativeAudio.captureStream().getAudioTracks()[0] : null;
-    if (track) {
-      const src = audioCtxViz.createMediaStreamSource(nativeAudio.captureStream());
-      src.connect(analyserNode);
-    }
-  } catch(e) {
-    // Fallback: simulate with oscillator-free approach
-  }
-  drawActive();
-}
-
-function drawActive() {
-  if (!isPlaying) { drawIdle(); return; }
-  // Animate idle-ish bars since native audio doesn't feed analyser reliably cross-origin
-  const w = canvas.offsetWidth, h = canvas.offsetHeight;
-  canvasCtx.clearRect(0, 0, w, h);
-  const t = Date.now() / 200;
-  for (let i = 0; i < 72; i++) {
-    const phase = (i / 72) * Math.PI * 2;
-    const v = Math.abs(Math.sin(t + phase)) * 0.7 + 0.1;
-    const barH = Math.max(3, v * h * 0.85);
-    const x = i * (w / 72 - 1);
-    const y = (h - barH) / 2;
-    const grad = canvasCtx.createLinearGradient(x, y, x, y + barH);
-    grad.addColorStop(0, '#a78bfa'); grad.addColorStop(1, '#7c6af7');
-    canvasCtx.fillStyle = grad;
-    canvasCtx.beginPath();
-    canvasCtx.roundRect(x, y, w / 72 - 1, barH, 2);
-    canvasCtx.fill();
-  }
-  animId = requestAnimationFrame(drawActive);
-}
-
-function stopVisualizer() {
-  if (animId) { cancelAnimationFrame(animId); animId = null; }
-  if (analyserNode) { try { analyserNode.disconnect(); } catch(e){} }
-  drawIdle();
-}
-
-// ── Logging ────────────────────────────────────────────
-function log(msg, type = 'info') {
-  const ts = new Date().toLocaleTimeString('zh-CN',{hour12:false});
-  const d  = document.createElement('div');
-  d.className = 'log-line';
-  d.innerHTML = `<span class="log-ts">[${ts}]</span><span class="log-${type}">${esc(msg)}</span>`;
-  logArea.appendChild(d);
-  logArea.scrollTop = logArea.scrollHeight;
-}
-function esc(s) { return String(s).replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;'); }
-function setStatus(s, cls) { statusBadge.textContent = s; statusBadge.className = 'status-badge ' + cls; }
-
-// ── Audio helpers ─────────────────────────────────────
-function stopPlayback() {
-  if (isPlaying) {
-    nativeAudio.pause();
-    nativeAudio.currentTime = 0;
-  }
-  isPlaying = false;
-  stopVisualizer();
-}
-
-function mimeOf(fmt) {
-  return { mp3:'audio/mpeg', wav:'audio/wav', flac:'audio/flac' }[fmt] || 'audio/mpeg';
-}
-
-// Convert hex string (lowercase or uppercase) to Uint8Array
-function hexToBytes(hex) {
-  // Remove any whitespace
-  hex = hex.replace(/\s/g, '');
-  if (!/^[0-9a-fA-F]*$/.test(hex) || hex.length % 2 !== 0) {
-    return new Uint8Array(0);
-  }
-  const bytes = new Uint8Array(hex.length / 2);
-  for (let i = 0; i < bytes.length; i++) {
-    bytes[i] = parseInt(hex.substr(i * 2, 2), 16);
-  }
-  return bytes;
-}
-
-function buildBlobUrl(hexChunks, fmt) {
-  // Each chunk is a hex-encoded audio string — decode each and concatenate
-  const allBytes = [];
-  for (const hex of hexChunks) {
-    const b = hexToBytes(hex);
-    if (b.length > 0) allBytes.push(b);
-  }
-  if (allBytes.length === 0) return null;
-  const totalLen = allBytes.reduce((s, b) => s + b.length, 0);
-  const combined = new Uint8Array(totalLen);
-  let off = 0;
-  for (const b of allBytes) { combined.set(b, off); off += b.length; }
-  const mime = mimeOf(fmt);
-  const blob = new Blob([combined], { type: mime });
-  if (audioBlobUrl) URL.revokeObjectURL(audioBlobUrl);
-  audioBlobUrl = URL.createObjectURL(blob);
-  return audioBlobUrl;
-}
-
-function startAudioPlayback(blobUrl) {
-  stopPlayback();
-  nativeAudio.src = blobUrl;
-  nativeAudio.play().then(() => {
-    isPlaying = true;
-    setStatus('播放中', 'status-playing');
-    log('▶️ 开始播放', 'info');
-    startVisualizer();
-  }).catch(e => {
-    log('❌ 播放失败: ' + e.message, 'err');
-    onDone();
-  });
-}
-
-function getAudioBlob() {
-  if (!audioChunks.length) return null;
-  const allBytes = [];
-  for (const hex of audioChunks) {
-    const b = hexToBytes(hex);
-    if (b.length > 0) allBytes.push(b);
-  }
-  if (allBytes.length === 0) return null;
-  const total = allBytes.reduce((s, b) => s + b.length, 0);
-  const combined = new Uint8Array(total);
-  let off = 0;
-  for (const b of allBytes) { combined.set(b, off); off += b.length; }
-  return new Blob([combined], { type: mimeOf($('format').value) });
-}
-
-// ── Main synthesis ─────────────────────────────────────
-async function startSynthesis() {
-  const rawKey = $('apiKey').value.trim();
-  const text   = $('textInput').value.trim();
-
-  if (!rawKey) { log('❌ 请先填写 API Key', 'err'); return; }
-  if (!text)   { log('❌ 请先填写要转换的文字', 'err'); return; }
-
-  // Sanitize: strip non-ASCII / non-ISO-8859-1 chars from key
-  const cleanKey = rawKey.replace(/[^\x20-\x7E]/g, '').trim();
-  if (!cleanKey) {
-    log('❌ API Key 包含无效字符（仅支持 ASCII），请重新复制粘贴正确的 Key', 'err');
-    return;
-  }
-  if (cleanKey !== rawKey) {
-    log('⚠️ API Key 中有不可用字符已自动清除，请确认 Key 正确', 'warn');
-  }
-
-  saveApiKey();
-
-  let apiKey = cleanKey.startsWith('Bearer ') ? cleanKey : 'Bearer ' + cleanKey;
-
-  // Extra guard: verify header value is clean for fetch()
-  try {
-    new Headers({ 'Authorization': apiKey });
-  } catch(e) {
-    log('❌ API Key 包含非法字符，无法作为 HTTP Header: ' + e.message, 'err');
-    return;
-  }
-
-  audioChunks = [];
-  stopPlayback();
-  progressFill.style.width = '0%';
-  progressBar.classList.add('active');
-
-  btnPlay.disabled = true; btnStop.disabled = false;
-  btnDownload.disabled = true; btnReplay.disabled = true;
-
-  const isStream = $('streamMode').value === 'true';
-  log(`🚀 发起 HTTP 请求 (${isStream ? '流式' : '非流式'})`, 'info');
-  setStatus('请求中', 'status-connecting');
-  abortCtrl = new AbortController();
-
-  const body = {
-    model:    $('model').value,
-    text,
-    stream:   isStream,
-    voice_setting: {
-      voice_id: $('voiceId').value,
-      speed:    parseFloat($('speed').value),
-      vol:      parseFloat($('vol').value),
-      pitch:    parseInt($('pitch').value),
-      ...($('emotion').value ? { emotion: $('emotion').value } : {})
-    },
-    audio_setting: {
-      sample_rate: parseInt($('sampleRate').value),
-      bitrate:     128000,
-      format:      $('format').value,
-      channel:     1
-    }
-  };
-
-  try {
-    const response = await fetch('https://api.minimaxi.com/v1/t2a_v2', {
-      method: 'POST',
-      headers: {
-        'Authorization': apiKey,
-        'Content-Type': 'application/json'
-      },
-      body: JSON.stringify(body),
-      signal: abortCtrl.signal
-    });
-
-    log(`📡 HTTP ${response.status} ${response.statusText}`, response.ok ? 'info' : 'err');
-
-    if (!response.ok) {
-      try {
-        const err = await response.json();
-        log(`❌ 错误: ${JSON.stringify(err)}`, 'err');
-        // Decode MiniMax status_code
-        const sr = err.base_resp || {};
-        if (sr.status_code === 1004) log('💡 原因: 鉴权失败，检查 API Key 是否正确', 'warn');
-        if (sr.status_code === 1039) log('💡 原因: TPM 触发限流，稍后重试', 'warn');
-        if (sr.status_code === 1042) log('💡 原因: 非法字符超过 10%，请精简文本', 'warn');
-      } catch {}
-      setStatus('失败', 'status-error');
-      onDone();
-      return;
-    }
-
-    if (isStream) {
-      setStatus('合成中', 'status-playing');
-      await handleStreamResponse(response);
-    } else {
-      setStatus('合成中', 'status-playing');
-      await handleNonStreamResponse(response);
-    }
-  } catch(e) {
-    if (e.name === 'AbortError') {
-      log('⏹️ 用户取消', 'warn');
-    } else if (e.message && e.message.includes('ISO-8859-1')) {
-      log('❌ Header 编码错误：API Key 包含非 ASCII 字符（可能是粘贴时带进了特殊字符），已自动清理，请确认 Key 是否正确', 'err');
-    } else {
-      log('❌ 请求异常: ' + e.message, 'err');
-      log('🔄 尝试备用接口 api-bj.minimaxi.com...', 'warn');
-      try {
-        const r2 = await fetch('https://api-bj.minimaxi.com/v1/t2a_v2', {
-          method: 'POST',
-          headers: { 'Authorization': apiKey, 'Content-Type': 'application/json' },
-          body: JSON.stringify(body),
-          signal: abortCtrl.signal
-        });
-        if (r2.ok) {
-          if ($('streamMode').value === 'true') await handleStreamResponse(r2);
-          else await handleNonStreamResponse(r2);
-        } else {
-          const err2 = await r2.json().catch(() => ({}));
-          log(`❌ 备用接口也失败: ${JSON.stringify(err2)}`, 'err');
-          setStatus('失败', 'status-error');
-          onDone();
-        }
-      } catch(e2) {
-        log('❌ 备用接口异常: ' + e2.message, 'err');
-        setStatus('失败', 'status-error');
-        onDone();
-      }
-    }
-  }
-}
-
-// ── Stream handler ─────────────────────────────────────
-async function handleStreamResponse(response) {
-  const reader = response.body.getReader();
-  const decoder = new TextDecoder();
-  let buffer = '';
-  let chunkCount = 0;
-  let lastStatus = 0;
-
-  try {
-    while (true) {
-      const { done, value } = await reader.read();
-      if (done) break;
-
-      buffer += decoder.decode(value, { stream: true });
-
-      // Split on newlines
-      let nlIdx;
-      while ((nlIdx = buffer.indexOf('\n')) !== -1) {
-        const line = buffer.slice(0, nlIdx).trim();
-        buffer = buffer.slice(nlIdx + 1);
-
-        if (!line || !line.startsWith('data:')) continue;
-
-        const dataStr = line.slice(5).trim();
-        if (dataStr === '[DONE]' || dataStr === '') continue;
-
-        try {
-          const chunk = JSON.parse(dataStr);
-          const baseResp = chunk.base_resp || {};
-
-          if (baseResp.status_code && baseResp.status_code !== 0) {
-            log(`❌ 流错误 [${baseResp.status_code}]: ${baseResp.status_msg || ''}`, 'err');
-            return;
-          }
-
-          if (chunk.data && chunk.data.audio) {
-            chunkCount++;
-            audioChunks.push(chunk.data.audio);
-            lastStatus = chunk.data.status;
-
-            // Progress: estimate based on chunk count, capped
-            progressFill.style.width = Math.min((chunkCount / Math.max(parseInt($('textInput').value.length / 200), 5)) * 95, 95) + '%';
-            log(`🔊 #${chunkCount} (${chunk.data.audio.length}B, status=${chunk.data.status})`, 'audio');
-
-            if (chunk.data.status === 2) {
-              log('✅ 合成完毕，共 ' + chunkCount + ' 片段', 'info');
-            }
-          }
-
-          if (chunk.extra_info) {
-            const ei = chunk.extra_info;
-            log(`📋 音频: ${(ei.audio_length/1000).toFixed(1)}s / ${ei.audio_size}B / ${ei.usage_characters}字符`, 'info');
-          }
-        } catch(parseErr) {
-          // skip malformed line
-        }
-      }
-    }
-  } finally {
-    reader.releaseLock();
-  }
-
-  if (!audioChunks.length) {
-    log('❌ 流接收完毕但无音频数据', 'err');
-    setStatus('失败', 'status-error');
-    onDone();
-    return;
-  }
-
-  progressFill.style.width = '98%';
-  log('🎵 音频合成完成，开始播放...', 'info');
-
-  const blobUrl = buildBlobUrl(audioChunks, $('format').value);
-  startAudioPlayback(blobUrl);
-
-  btnDownload.disabled = false;
-  btnReplay.disabled = false;
-  onDone();
-}
-
-// ── Non-stream handler ─────────────────────────────────
-async function handleNonStreamResponse(response) {
-  log('📥 接收完整响应...', 'info');
-
-  let json;
-  try {
-    json = await response.json();
-  } catch(e) {
-    log('❌ 响应 JSON 解析失败: ' + e.message, 'err');
-    // Maybe it's raw audio?
-    log('🔄 尝试作为原始音频处理...', 'warn');
-    const bytes = await response.arrayBuffer();
-    if (bytes.byteLength > 0) {
-      const blob = new Blob([bytes], { type: mimeOf($('format').value) });
-      if (audioBlobUrl) URL.revokeObjectURL(audioBlobUrl);
-      audioBlobUrl = URL.createObjectURL(blob);
-      startAudioPlayback(audioBlobUrl);
-      btnDownload.disabled = false;
-      btnReplay.disabled = false;
-      onDone();
-      return;
-    }
-    setStatus('失败', 'status-error');
-    onDone();
-    return;
-  }
-
-  log('📦 JSON: ' + JSON.stringify(json).slice(0, 400), 'info');
-
-  const baseResp = json.base_resp || {};
-  if (baseResp.status_code && baseResp.status_code !== 0) {
-    log(`❌ 合成失败 [${baseResp.status_code}]: ${baseResp.status_msg || ''}`, 'err');
-    if (baseResp.status_code === 1004) log('💡 提示: 鉴权失败，检查 API Key 是否正确', 'warn');
-    setStatus('失败', 'status-error');
-    onDone();
-    return;
-  }
-
-  const audioHex = json.data && json.data.audio;
-  if (!audioHex) {
-    log('❌ 响应中无 audio 字段', 'err');
-    setStatus('失败', 'status-error');
-    onDone();
-    return;
-  }
-
-  audioChunks = [audioHex];
-  progressFill.style.width = '90%';
-  log('🎵 音频就绪，开始播放...', 'info');
-
-  const blobUrl = buildBlobUrl(audioChunks, $('format').value);
-  startAudioPlayback(blobUrl);
-
-  if (json.extra_info) {
-    const ei = json.extra_info;
-    log(`📋 音频: ${(ei.audio_length/1000).toFixed(1)}s / ${ei.audio_size}B / ${ei.usage_characters}字符`, 'info');
-  }
-
-  btnDownload.disabled = false;
-  btnReplay.disabled = false;
-  onDone();
-}
-
-// ── Controls ───────────────────────────────────────────
-function stopSynthesis() {
-  log('⏹️ 取消请求', 'warn');
-  stopPlayback();
-  if (abortCtrl) abortCtrl.abort();
-  progressFill.style.width = '0%';
-  onDone();
-}
-
-function onDone() {
-  btnPlay.disabled   = false;
-  btnStop.disabled    = true;
-  setTimeout(() => progressBar.classList.remove('active'), 2000);
-}
-
-function replayAudio() {
-  if (audioBlobUrl) {
-    stopPlayback();
-    startAudioPlayback(audioBlobUrl);
-  } else {
-    log('⚠️ 没有可回放的音频', 'warn');
-  }
-}
-
-function downloadAudio() {
-  const blob = getAudioBlob();
-  if (!blob) { log('⚠️ 没有可下载的音频', 'warn'); return; }
-  const fmt = $('format').value;
-  const a = document.createElement('a');
-  a.href   = URL.createObjectURL(blob);
-  a.download = `speech_${Date.now()}.${fmt}`;
-  a.click();
-  URL.revokeObjectURL(a.href);
-  log(`💾 已下载: ${a.download} (${(blob.size/1024).toFixed(1)} KB)`, 'info');
-}
-</script>
-</body>
-</html>
