diff --git a/templates/quiz.html b/templates/quiz.html
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+++ b/templates/quiz.html
@@ -0,0 +1,449 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+<meta charset="UTF-8">
+<meta name="viewport" content="width=device-width, initial-scale=1.0">
+<title>📜 历史小卧龙 — 背诵大挑战</title>
+<style>
+:root {
+  --bg: #FFF8F0;
+  --card: #FFFFFF;
+  --primary: #E67E22;
+  --secondary: #27AE60;
+  --accent: #8E44AD;
+  --danger: #E74C3C;
+  --text: #2D3436;
+  --light: #F8F9FA;
+  --border: #E9ECEF;
+  --correct: #27AE60;
+  --wrong: #E74C3C;
+}
+* { box-sizing: border-box; margin: 0; padding: 0; }
+body {
+  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
+  background: var(--bg);
+  color: var(--text);
+  min-height: 100vh;
+}
+
+header {
+  background: linear-gradient(135deg, var(--primary), #D35400);
+  color: white;
+  padding: 14px 20px;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
+}
+header .logo { font-size: 28px; }
+header h1 { font-size: 18px; font-weight: 600; }
+header .stats { font-size: 13px; opacity: 0.9; }
+header a { color: white; text-decoration: none; opacity: 0.85; font-size: 13px; }
+
+/* 单元选择器 */
+.unit-selector {
+  display: flex;
+  gap: 8px;
+  padding: 12px 16px;
+  overflow-x: auto;
+  background: white;
+  border-bottom: 1px solid var(--border);
+}
+.unit-btn {
+  padding: 6px 14px;
+  border: 2px solid var(--border);
+  border-radius: 20px;
+  background: white;
+  cursor: pointer;
+  font-size: 13px;
+  white-space: nowrap;
+  transition: all 0.2s;
+}
+.unit-btn:hover { border-color: var(--primary); color: var(--primary); }
+.unit-btn.active { background: var(--primary); color: white; border-color: var(--primary); }
+.unit-btn .count { font-size: 11px; opacity: 0.7; margin-left: 4px; }
+
+/* 主区域 */
+main {
+  max-width: 680px;
+  margin: 0 auto;
+  padding: 20px 16px;
+}
+
+/* 题目卡片 */
+.question-card {
+  background: var(--card);
+  border-radius: 16px;
+  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
+  padding: 24px;
+  margin-bottom: 16px;
+  transition: transform 0.2s;
+}
+.question-card.correct {
+  border-left: 4px solid var(--correct);
+  background: #F0FFF0;
+}
+.question-card.wrong {
+  border-left: 4px solid var(--wrong);
+  background: #FFF5F5;
+}
+
+.question-meta {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 12px;
+  font-size: 13px;
+  color: #888;
+}
+.question-meta .type-badge {
+  padding: 3px 10px;
+  border-radius: 12px;
+  font-size: 12px;
+  font-weight: 600;
+}
+.type-short_answer { background: #EBF5FB; color: #2980B9; }
+.type-fill_blank { background: #FEF9E7; color: #F39C12; }
+
+.question-text {
+  font-size: 18px;
+  font-weight: 600;
+  line-height: 1.6;
+  margin-bottom: 16px;
+  color: var(--text);
+}
+
+.answer-input {
+  display: flex;
+  gap: 8px;
+}
+.answer-input input {
+  flex: 1;
+  padding: 12px 16px;
+  border: 2px solid var(--border);
+  border-radius: 10px;
+  font-size: 16px;
+  font-family: inherit;
+  transition: border-color 0.2s;
+}
+.answer-input input:focus { outline: none; border-color: var(--primary); }
+.answer-input button {
+  padding: 12px 24px;
+  background: var(--primary);
+  color: white;
+  border: none;
+  border-radius: 10px;
+  font-size: 15px;
+  font-weight: 600;
+  cursor: pointer;
+  transition: transform 0.1s;
+}
+.answer-input button:hover { transform: scale(1.03); }
+.answer-input button:active { transform: scale(0.97); }
+
+/* 反馈区 */
+.feedback {
+  margin-top: 14px;
+  padding: 12px 16px;
+  border-radius: 10px;
+  font-size: 15px;
+  line-height: 1.5;
+  display: none;
+}
+.feedback.show { display: block; }
+.feedback.correct-fb {
+  background: #D5F5E3;
+  color: #1E8449;
+}
+.feedback.wrong-fb {
+  background: #FADBD8;
+  color: #922B21;
+}
+.feedback .correct-answer {
+  font-weight: 600;
+  margin-top: 6px;
+}
+.feedback .hint {
+  font-style: italic;
+  color: #888;
+  margin-top: 6px;
+}
+
+/* 操作栏 */
+.actions {
+  display: flex;
+  gap: 10px;
+  justify-content: center;
+  margin-top: 20px;
+}
+.actions button {
+  padding: 10px 28px;
+  border-radius: 10px;
+  font-size: 15px;
+  font-weight: 600;
+  cursor: pointer;
+  transition: all 0.2s;
+  border: none;
+}
+.btn-next { background: var(--secondary); color: white; }
+.btn-next:hover { transform: scale(1.03); }
+.btn-hint { background: #FEF3C7; color: #92400E; border: 1px solid #FCD34D !important; }
+.btn-skip { background: var(--light); color: #666; border: 1px solid var(--border) !important; }
+
+/* 进度条 */
+.progress-bar {
+  width: 100%;
+  height: 6px;
+  background: var(--border);
+  border-radius: 3px;
+  margin-top: 20px;
+  overflow: hidden;
+}
+.progress-fill {
+  height: 100%;
+  background: linear-gradient(90deg, var(--primary), var(--secondary));
+  border-radius: 3px;
+  transition: width 0.5s ease;
+}
+
+/* 统计面板 */
+.stats-panel {
+  display: grid;
+  grid-template-columns: repeat(3, 1fr);
+  gap: 10px;
+  margin-top: 16px;
+}
+.stat-card {
+  background: white;
+  border-radius: 10px;
+  padding: 12px;
+  text-align: center;
+  box-shadow: 0 1px 4px rgba(0,0,0,0.05);
+}
+.stat-card .num { font-size: 24px; font-weight: 700; }
+.stat-card .label { font-size: 12px; color: #888; margin-top: 2px; }
+.stat-correct .num { color: var(--correct); }
+.stat-wrong .num { color: var(--wrong); }
+.stat-total .num { color: var(--primary); }
+
+/* 批量模式 */
+.batch-info {
+  text-align: center;
+  font-size: 14px;
+  color: #888;
+  margin-bottom: 12px;
+}
+
+/* 动画 */
+@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
+.question-card { animation: fadeIn 0.3s ease; }
+
+@media (max-width: 600px) {
+  main { padding: 12px; }
+  .question-text { font-size: 16px; }
+  .stats-panel { grid-template-columns: repeat(3, 1fr); gap: 6px; }
+}
+</style>
+</head>
+<body>
+
+<header>
+  <div style="display:flex;align-items:center;gap:10px;">
+    <span class="logo">📜</span>
+    <h1>历史小卧龙 — 背诵大挑战</h1>
+  </div>
+  <div class="stats" id="headerStats">已答 0 题</div>
+</header>
+
+<div class="unit-selector" id="unitSelector">
+  <button class="unit-btn active" data-unit="">全部单元 <span class="count"></span></button>
+</div>
+
+<main>
+  <div class="stats-panel">
+    <div class="stat-card stat-correct"><div class="num" id="correctCount">0</div><div class="label">✅ 答对</div></div>
+    <div class="stat-card stat-wrong"><div class="num" id="wrongCount">0</div><div class="label">❌ 答错</div></div>
+    <div class="stat-card stat-total"><div class="num" id="totalCount">0</div><div class="label">📊 总题</div></div>
+  </div>
+  <div class="progress-bar"><div class="progress-fill" id="progressFill" style="width:0%"></div></div>
+
+  <div id="questionArea" style="margin-top:20px;"></div>
+
+  <div class="actions">
+    <button class="btn-hint" id="btnHint" onclick="showHint()">💡 提示</button>
+    <button class="btn-skip" id="btnSkip" onclick="nextQuestion()">⏭️ 跳过</button>
+    <button class="btn-next" id="btnNext" onclick="nextQuestion()" style="display:none;">下一题 →</button>
+  </div>
+</main>
+
+<script>
+const API = '/quiz';
+let currentUnit = '';
+let currentQuestion = null;
+let stats = { correct: 0, wrong: 0, total: 0 };
+let answered = false;
+
+// 加载单元列表
+async function loadUnits() {
+  try {
+    const resp = await fetch(API + '/units');
+    const data = await resp.json();
+    const selector = document.getElementById('unitSelector');
+    const totalBtn = selector.querySelector('.unit-btn');
+    let totalCount = 0;
+
+    data.units.forEach(u => {
+      totalCount += u.question_count;
+      const btn = document.createElement('button');
+      btn.className = 'unit-btn';
+      btn.dataset.unit = u.unit_id;
+      btn.innerHTML = u.alias + ' <span class="count">(' + u.question_count + ')</span>';
+      btn.onclick = () => selectUnit(u.unit_id, btn);
+      selector.appendChild(btn);
+    });
+    totalBtn.querySelector('.count').textContent = '(' + totalCount + ')';
+  } catch(e) {
+    console.error('加载单元失败:', e);
+  }
+}
+
+function selectUnit(unitId, btn) {
+  document.querySelectorAll('.unit-btn').forEach(b => b.classList.remove('active'));
+  btn.classList.add('active');
+  currentUnit = unitId;
+  nextQuestion();
+}
+
+// 获取随机题目
+async function nextQuestion() {
+  answered = false;
+  document.getElementById('btnNext').style.display = 'none';
+  document.getElementById('btnHint').style.display = '';
+  document.getElementById('btnSkip').style.display = '';
+
+  try {
+    const url = API + '/random' + (currentUnit ? '?unit=' + currentUnit : '');
+    const resp = await fetch(url);
+    const data = await resp.json();
+    if (data.error) {
+      document.getElementById('questionArea').innerHTML = '<div class="question-card"><p>没有找到题目 😅</p></div>';
+      return;
+    }
+    currentQuestion = data;
+    renderQuestion(data);
+  } catch(e) {
+    document.getElementById('questionArea').innerHTML = '<div class="question-card"><p>加载失败，请重试</p></div>';
+  }
+}
+
+function renderQuestion(q) {
+  const typeLabel = q.type === 'short_answer' ? '名词解释' : '填空题';
+  const typeClass = 'type-' + q.type;
+  document.getElementById('questionArea').innerHTML = `
+    <div class="question-card" id="qCard">
+      <div class="question-meta">
+        <span class="type-badge ${typeClass}">${typeLabel}</span>
+        <span>${q.unit_alias || q.unit_id}</span>
+      </div>
+      <div class="question-text">${q.question}</div>
+      <div class="answer-input">
+        <input type="text" id="answerInput" placeholder="输入你的答案..." 
+               onkeydown="if(event.key==='Enter')submitAnswer()" autofocus>
+        <button onclick="submitAnswer()">提交</button>
+      </div>
+      <div class="feedback" id="feedback"></div>
+    </div>`;
+  document.getElementById('answerInput').focus();
+}
+
+// 提交答案
+async function submitAnswer() {
+  if (answered || !currentQuestion) return;
+  const input = document.getElementById('answerInput');
+  const studentAnswer = input.value.trim();
+  if (!studentAnswer) return;
+
+  answered = true;
+  stats.total++;
+
+  // 本地判断（与后端逻辑一致）
+  const correct = currentQuestion.answer.trim();
+  let isCorrect = false;
+  let matchType = 'none';
+
+  if (studentAnswer === correct) {
+    isCorrect = true; matchType = 'exact';
+  } else if (studentAnswer.length >= 2 && (studentAnswer.includes(correct) || correct.includes(studentAnswer))) {
+    isCorrect = true; matchType = 'partial';
+  }
+
+  if (isCorrect) {
+    stats.correct++;
+    showFeedback(true, correct, matchType);
+  } else {
+    stats.wrong++;
+    const hint = correct.length > 1
+      ? '提示：答案以「' + correct[0] + '」开头，共' + correct.length + '个字'
+      : '';
+    showFeedback(false, correct, '', hint);
+  }
+  updateStats();
+
+  // 后台同步（异步，不阻塞UI）
+  fetch(API + '/check', {
+    method: 'POST',
+    headers: {'Content-Type': 'application/json'},
+    body: JSON.stringify({question_id: currentQuestion.id, answer: studentAnswer})
+  }).catch(() => {});
+}
+
+function showFeedback(correct, answer, matchType, hint) {
+  const card = document.getElementById('qCard');
+  const fb = document.getElementById('feedback');
+  card.classList.add(correct ? 'correct' : 'wrong');
+  fb.className = 'feedback show ' + (correct ? 'correct-fb' : 'wrong-fb');
+
+  if (correct) {
+    fb.innerHTML = '✅ 正确！' + (matchType === 'exact' ? '完美！' : '基本正确（' + matchType + '）')
+      + '<div class="correct-answer">标准答案：' + answer + '</div>';
+  } else {
+    fb.innerHTML = '❌ 再想想~'
+      + '<div class="correct-answer">正确答案：' + answer + '</div>'
+      + (hint ? '<div class="hint">' + hint + '</div>' : '');
+  }
+
+  document.getElementById('answerInput').disabled = true;
+  document.getElementById('btnHint').style.display = 'none';
+  document.getElementById('btnSkip').style.display = 'none';
+  document.getElementById('btnNext').style.display = '';
+}
+
+function showHint() {
+  if (!currentQuestion || answered) return;
+  const correct = currentQuestion.answer.trim();
+  const hint = correct.length > 1
+    ? '💡 答案以「' + correct[0] + '」开头，共' + correct.length + '个字'
+    : '💡 答案很短，再想想？';
+  const fb = document.getElementById('feedback');
+  fb.className = 'feedback show';
+  fb.style.background = '#FEF3C7';
+  fb.style.color = '#92400E';
+  fb.innerHTML = hint;
+}
+
+function updateStats() {
+  document.getElementById('correctCount').textContent = stats.correct;
+  document.getElementById('wrongCount').textContent = stats.wrong;
+  document.getElementById('totalCount').textContent = stats.total;
+  document.getElementById('headerStats').textContent = '已答 ' + stats.total + ' 题';
+
+  const pct = stats.total > 0 ? Math.round(stats.correct / stats.total * 100) : 0;
+  document.getElementById('progressFill').style.width = pct + '%';
+}
+
+// 启动
+loadUnits();
+nextQuestion();
+</script>
+</body>
+</html>
\ No newline at end of file
