diff --git a/css/history_detail/02-layout/immersive.css b/css/history_detail/02-layout/immersive.css
index 500cae3..027c339 100644
--- a/css/history_detail/02-layout/immersive.css
+++ b/css/history_detail/02-layout/immersive.css
@@ -877,23 +877,30 @@ body.immersive-active #immersive-main-content-area .container {
 /* ==================== 16. 简单沉浸模式样式 ==================== */
 
 /* 简单沉浸模式隐藏元素 */
-body.simple-immersive-mode #fileName,
-body.simple-immersive-mode .tabs-container,
-body.simple-immersive-mode #fileMeta {
+body.simple-immersive-pdf-mode #fileName,
+body.simple-immersive-pdf-mode .tabs-container,
+body.simple-immersive-pdf-mode #fileMeta {
   display: none !important;
 }
 
-/* 简单沉浸模式下PDF阅读器高度为100vh */
-body.simple-immersive-mode #pdf-viewer-iframe {
-  height: 100vh !important;
-  position: fixed !important;
-  top: 0 !important;
-  left: 0 !important;
-  right: 0 !important;
-  bottom: 0 !important;
-  z-index: 1000 !important;
+/* 简单沉浸模式下 container 的 padding 设为 0 */
+body.simple-immersive-pdf-mode .container {
+  padding: 0 !important;
+  margin:  0 auto !important;
 }
 
+/* 简单沉浸模式下 container 的 padding 设为 0 */
+body.simple-immersive-pdf-mode #immersive-main-content-area .container {
+  padding: 0 !important;
+  margin:  0 auto !important;
+}
+
+/* 简单沉浸模式下 container 的 padding 设为 0 */
+body.simple-immersive-pdf-mode .history-export-controls {
+  margin:  0  !important;
+}
+
+
 /* ==================== 17. 打印样式 ==================== */
 
 @media print {
@@ -902,9 +909,9 @@ body.simple-immersive-mode #pdf-viewer-iframe {
     display: none !important;
   }
 
-  body.simple-immersive-mode #fileName,
-  body.simple-immersive-mode .tabs-container,
-  body.simple-immersive-mode #fileMeta {
+  body.simple-immersive-pdf-mode #fileName,
+  body.simple-immersive-pdf-mode .tabs-container,
+  body.simple-immersive-pdf-mode #fileMeta {
     display: none !important;
   }
 
diff --git a/css/history_detail/02-layout/layout.css b/css/history_detail/02-layout/layout.css
index 092ff96..55f8439 100644
--- a/css/history_detail/02-layout/layout.css
+++ b/css/history_detail/02-layout/layout.css
@@ -14,6 +14,7 @@ body {
 .container {
   max-width: 1200px;
   margin: 40px auto;
+  height: 100vh;
   background: var(--color-bg-base);
   border-radius: var(--radius-xl);
   /* 使用变量定义的轻量化阴影 */
@@ -86,6 +87,7 @@ body {
 .tab-content {
   background: transparent;
   padding: 8px 0;
+  height: 100vh;
   min-height: 300px;
   margin-top: 0;
   /* 优化阅读体验的字体设置 */
diff --git a/index.html b/index.html
index fe95752..9998a36 100644
--- a/index.html
+++ b/index.html
@@ -532,30 +532,7 @@
     </style>
 </head>
 <body class="bg-slate-50 min-h-screen">
-  <script>
-    // 可选：每天一次跳转到落地页（仅在非后端模式且未强制 backend 时启用）
-    (function() {
-      try {
-        var currentPath = window.location.pathname;
-        // 如果明确进入后端模式（通过查询参数或全局变量），则不跳转落地页，避免影响使用
-        var params = new URLSearchParams(window.location.search);
-        var forcedMode = (params.get('mode') || '').toLowerCase();
-        var envMode = (window.ENV_DEPLOYMENT_MODE || '').toLowerCase();
-        var shouldSkip = (forcedMode === 'backend') || (envMode === 'backend');
-
-        if (shouldSkip) return;
-        if (currentPath.indexOf('landing-page.html') !== -1) return;
-
-        var today = new Date().toDateString();
-        var lastShownDate = localStorage.getItem('paperBurnerLandingLastShown');
-        if (lastShownDate !== today) {
-          localStorage.setItem('paperBurnerLandingLastShown', today);
-          var basePath = currentPath.substring(0, currentPath.lastIndexOf('/') + 1);
-          window.location.href = basePath + 'views/landing/landing-page.html';
-        }
-      } catch (e) { /* ignore */ }
-    })();
-  </script>
+  
 
   <!-- Mobile Sidebar Overlay -->
   <div id="sidebarOverlay" class="sidebar-overlay md:hidden"></div>
@@ -566,9 +543,11 @@
     <!-- ===================== -->
     <aside id="appSidebar" class="app-sidebar">
       <div class="px-6 py-5 flex items-center justify-between transition-all" id="sidebarHeader">
-        <a href="views/landing/landing-page.html" class="hover:opacity-80 transition-opacity" title="返回落地页">
+        <!-- <a href="views/landing/landing-page.html" class="hover:opacity-80 transition-opacity" title="返回落地页">
           <img id="sidebarLogo" src="public/h_with_name.svg" class="h-8 transition-all" alt="Paper Burner X">
-        </a>
+        </a> -->
+        <!-- 占位元素 -->
+        <span></span>
         <!-- Desktop Collapse Button -->
         <button id="sidebarToggleBtn" class="hidden md:flex text-slate-400 hover:text-slate-600 p-1.5 hover:bg-slate-100 rounded-md transition-colors" title="切换侧边栏">
             <iconify-icon id="sidebarToggleIcon" icon="carbon:side-panel-close" width="20"></iconify-icon>
@@ -605,34 +584,22 @@
         </div>
 
         <div class="my-4 border-t border-slate-100 mx-3 transition-all" id="sidebarDivider"></div>
-        <div class="nav-section-title px-3 mb-2 text-[11px] font-bold text-slate-400 uppercase tracking-wider transition-opacity">
+        <!-- <div class="nav-section-title px-3 mb-2 text-[11px] font-bold text-slate-400 uppercase tracking-wider transition-opacity">
             系统
         </div>
         <div id="sidebarSettingsBtn" class="nav-item cursor-pointer" title="全局设置">
           <iconify-icon icon="carbon:settings" class="nav-icon"></iconify-icon>
           <span class="nav-text transition-opacity">全局设置</span>
-        </div>
+        </div> -->
       </nav>
+      <!-- 删除界面会加载不出来 -->
       <div class="p-3 transition-all" id="sidebarFooter">
         <div class="p-4 bg-slate-50 rounded-2xl border border-slate-100 overflow-hidden">
-          <a href="https://github.com/Feather-2/paper-burner" target="_blank" class="flex items-start gap-3 hover:opacity-80 transition-opacity" title="GitHub 仓库">
-             <div class="w-10 h-10 rounded-xl bg-white border border-slate-200 flex items-center justify-center text-slate-400 shadow-sm shrink-0">
-               <iconify-icon icon="carbon:logo-github" width="24"></iconify-icon>
-             </div>
-             <div class="flex-1 min-w-0 nav-text transition-opacity">
-               <div class="flex items-center gap-1.5 mb-1">
-                 <span id="githubStars" class="inline-flex items-center gap-1 text-xs text-slate-500 bg-slate-100 px-2 py-0.5 rounded-full">
-                   <iconify-icon icon="carbon:star" width="10"></iconify-icon>
-                   <span>加载中...</span>
-                 </span>
-               </div>
-               <p class="text-xs text-slate-500">支持自部署，欢迎星标</p>
-             </div>
-          </a>
+  
         </div>
         <div class="text-center py-1 mt-1 nav-text transition-opacity">
             <span id="showCopyrightModal" class="text-[11px] text-slate-400 hover:text-slate-600 transition-colors cursor-pointer select-none">
-                Paper Burner X 丨 关于
+               
             </span>
         </div>
       </div>
diff --git a/js/history/history_detail_scripts.js b/js/history/history_detail_scripts.js
index a7455ac..3d70539 100644
--- a/js/history/history_detail_scripts.js
+++ b/js/history/history_detail_scripts.js
@@ -55,6 +55,268 @@ function hasOriginalPdfData() {
   return window.data && window.data.metadata && window.data.metadata.originalPdfBase64;
 }
 
+/**
+ * 将 Base64 字符串转换为 File 对象
+ * @param {string} base64 - Base64 编码的字符串（可带或不带 data: 前缀）
+ * @param {string} filename - 文件名
+ * @returns {File} File 对象
+ */
+function base64ToFile(base64, filename) {
+  // 处理 data URL 格式
+  let dataUrl = base64;
+  let mimeString = 'application/pdf';
+
+  if (base64.startsWith('data:')) {
+    const matches = base64.match(/^data:([^;]+);base64,(.+)$/);
+    if (matches) {
+      mimeString = matches[1];
+      dataUrl = matches[2];
+    }
+  }
+
+  const byteString = atob(dataUrl);
+  const ab = new ArrayBuffer(byteString.length);
+  const ia = new Uint8Array(ab);
+  for (let i = 0; i < byteString.length; i++) {
+    ia[i] = byteString.charCodeAt(i);
+  }
+
+  return new File([ab], filename || 'document.pdf', { type: mimeString });
+}
+
+/**
+ * 显示 Toast 消息
+ * @param {string} message - 消息内容
+ * @param {string} type - 类型: 'info', 'success', 'error', 'warning'
+ * @param {number} duration - 显示时长（毫秒）
+ */
+function showToast(message, type = 'info', duration = 3000) {
+  // 检查是否已有 toast 容器
+  let toastContainer = document.getElementById('pbx-toast-container');
+  if (!toastContainer) {
+    toastContainer = document.createElement('div');
+    toastContainer.id = 'pbx-toast-container';
+    toastContainer.style.cssText = `
+      position: fixed;
+      top: 20px;
+      right: 20px;
+      z-index: 10001;
+      display: flex;
+      flex-direction: column;
+      gap: 10px;
+    `;
+    document.body.appendChild(toastContainer);
+  }
+
+  // 创建 toast 元素
+  const toast = document.createElement('div');
+  const colors = {
+    info: '#3b82f6',
+    success: '#10b981',
+    error: '#ef4444',
+    warning: '#f59e0b'
+  };
+
+  toast.style.cssText = `
+    padding: 12px 20px;
+    background: ${colors[type] || colors.info};
+    color: white;
+    border-radius: 8px;
+    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
+    font-size: 14px;
+    max-width: 400px;
+    word-wrap: break-word;
+    animation: slideIn 0.3s ease-out;
+  `;
+
+  // 添加动画样式
+  if (!document.getElementById('pbx-toast-styles')) {
+    const style = document.createElement('style');
+    style.id = 'pbx-toast-styles';
+    style.textContent = `
+      @keyframes slideIn {
+        from { transform: translateX(100%); opacity: 0; }
+        to { transform: translateX(0); opacity: 1; }
+      }
+      @keyframes slideOut {
+        from { transform: translateX(0); opacity: 1; }
+        to { transform: translateX(100%); opacity: 0; }
+      }
+    `;
+    document.head.appendChild(style);
+  }
+
+  toast.textContent = message;
+  toastContainer.appendChild(toast);
+
+  // 自动移除
+  setTimeout(() => {
+    toast.style.animation = 'slideOut 0.3s ease-out forwards';
+    setTimeout(() => {
+      if (toast.parentNode) {
+        toast.parentNode.removeChild(toast);
+      }
+      // 如果容器为空，移除容器
+      if (toastContainer.children.length === 0) {
+        toastContainer.parentNode.removeChild(toastContainer);
+      }
+    }, 300);
+  }, duration);
+}
+
+/**
+ * 执行 OCR 处理
+ * @param {File} file - 要处理的文件
+ * @param {Function} onProgress - 进度回调函数 (current, total, message)
+ * @returns {Promise<Object>} OCR 结果 { markdown, images, metadata }
+ */
+async function performOcr(file, onProgress) {
+  // 验证 OcrManager 可用
+  if (typeof OcrManager === 'undefined') {
+    throw new Error('OCR 模块未加载，请刷新页面重试');
+  }
+
+  // 创建 OcrManager 实例
+  const ocrManager = new OcrManager();
+
+  // 执行 OCR
+  const result = await ocrManager.processFile(file, onProgress);
+
+  return result;
+}
+
+/**
+ * 执行翻译处理
+ * @param {string} markdown - OCR 后的 Markdown 文本
+ * @param {Function} onProgress - 进度回调函数
+ * @returns {Promise<string>} 翻译后的文本
+ */
+async function performTranslation(markdown, onProgress) {
+  // 获取翻译设置
+  const settings = typeof loadSettings === 'function' ? loadSettings() : {};
+
+  const targetLang = settings.targetLanguage || 'zh-CN';
+  const targetLangName = targetLang === 'custom'
+    ? (settings.customTargetLanguageName || '中文')
+    : { 'zh-CN': '中文', 'en': 'English', 'ja': '日本語', 'ko': '한국어' }[targetLang] || targetLang;
+
+  const selectedModel = settings.selectedTranslationModel || 'mistral';
+
+  // 获取 API Key
+  let apiKey = '';
+  let modelConfig = null;
+
+  if (selectedModel === 'custom') {
+    // 自定义模型配置
+    modelConfig = settings.translationModelConfig || settings.customModelConfig || null;
+    if (!modelConfig) {
+      throw new Error('请先配置自定义翻译模型');
+    }
+  } else {
+    // 预设模型 - 从 Key 管理器获取 API Key
+    if (typeof loadModelKeys === 'function') {
+      const keys = loadModelKeys(selectedModel);
+      const validKey = keys.find(k => k && k.value && (k.status === 'valid' || k.status === 'untested'));
+      if (validKey) {
+        apiKey = validKey.value.trim();
+      }
+    }
+
+    // 回退到 localStorage
+    if (!apiKey) {
+      const legacyKey = localStorage.getItem(`${selectedModel}ApiKeys`) || localStorage.getItem('translationApiKeys');
+      if (legacyKey) {
+        apiKey = legacyKey.trim();
+      }
+    }
+
+    if (!apiKey) {
+      throw new Error(`请先配置 ${selectedModel} 模型的 API Key`);
+    }
+  }
+
+  // 分段翻译长文本
+  const chunks = splitMarkdownIntoChunks(markdown, 2000);
+  let translatedText = '';
+  const totalChunks = chunks.length;
+
+  onProgress && onProgress(0, totalChunks, '正在翻译...');
+
+  // 临时禁用 promptPoolUI，避免历史详情页访问不存在的 UI 元素
+  const originalPromptPoolUI = window.promptPoolUI;
+  window.promptPoolUI = undefined;
+
+  try {
+    for (let i = 0; i < chunks.length; i++) {
+      onProgress && onProgress(i + 1, totalChunks, `翻译中 (${i + 1}/${totalChunks})`);
+
+      try {
+        // 构建翻译选项
+        const translateOptions = {};
+
+        // 如果是自定义模型，需要传入 modelConfig
+        if (selectedModel === 'custom' && modelConfig) {
+          translateOptions.modelConfig = modelConfig;
+        }
+
+        // 调用 translateMarkdown 函数 - 不传 boundPrompt，让它使用内置提示词
+        const chunkResult = await translateMarkdown(
+          chunks[i],
+          targetLangName,
+          selectedModel,
+          apiKey,
+          '[历史详情页翻译]', // logContext
+          '', // defaultSystemPrompt - 空值会触发内置提示词
+          '', // defaultUserPromptTemplate - 空值会触发内置提示词
+          false, // useCustomPrompts
+          true, // processTablePlaceholders
+          translateOptions
+        );
+
+        translatedText += chunkResult + '\n\n';
+      } catch (error) {
+        console.error(`[performTranslation] 翻译第 ${i + 1} 块失败:`, error);
+        // 如果某块翻译失败，保留原文
+        translatedText += chunks[i] + '\n\n';
+      }
+    }
+  } finally {
+    // 恢复 promptPoolUI
+    window.promptPoolUI = originalPromptPoolUI;
+  }
+
+  return translatedText.trim();
+}
+
+/**
+ * 将 Markdown 分割成小块
+ * @param {string} markdown - Markdown 文本
+ * @param {number} maxChars - 每块最大字符数
+ * @returns {string[]} 分割后的块数组
+ */
+function splitMarkdownIntoChunks(markdown, maxChars = 2000) {
+  const chunks = [];
+  const lines = markdown.split('\n');
+  let currentChunk = '';
+
+  for (const line of lines) {
+    if (currentChunk.length + line.length + 1 > maxChars) {
+      if (currentChunk.trim()) {
+        chunks.push(currentChunk.trim());
+      }
+      currentChunk = line + '\n';
+    } else {
+      currentChunk += line + '\n';
+    }
+  }
+
+  if (currentChunk.trim()) {
+    chunks.push(currentChunk.trim());
+  }
+
+  return chunks.length > 0 ? chunks : [markdown];
+}
+
 /**
  * 创建确认对话框
  * @param {string} title - 对话框标题
@@ -167,22 +429,76 @@ async function triggerReprocess(includeTranslation) {
   const docName = window.data ? window.data.name : '未知文档';
 
   if (!docId) {
-    alert('无法获取文档ID，请刷新页面重试。');
+    showToast('无法获取文档ID，请刷新页面重试。', 'error');
     return;
   }
 
-  // 保存处理模式到 localStorage，以便主页面读取
-  const reprocessConfig = {
-    docId: docId,
-    docName: docName,
-    includeTranslation: includeTranslation,
-    timestamp: Date.now()
-  };
-  localStorage.setItem('pbx_reprocess_config', JSON.stringify(reprocessConfig));
+  // 检查是否有原始 PDF 数据
+  const pdfBase64 = window.data?.metadata?.originalPdfBase64;
+  if (!pdfBase64) {
+    showToast('当前记录没有保存原始PDF数据，无法重新处理。', 'error');
+    return;
+  }
 
-  // 跳转到主页面
-  const baseUrl = window.location.pathname.replace('/views/history/history_detail.html', '/');
-  window.location.href = baseUrl + '?reprocess=1';
+  // 显示处理中 Toast
+  showToast('正在准备文档...', 'info');
+
+  try {
+    // 将 Base64 转为 File 对象
+    const file = base64ToFile(pdfBase64, docName);
+
+    // 执行 OCR
+    showToast('正在进行 OCR 识别...', 'info');
+
+    const ocrResult = await performOcr(file, (current, total, msg) => {
+      showToast(`${msg || 'OCR 处理中'} (${current}/${total})`, 'info', 5000);
+    });
+
+    // 更新 window.data
+    window.data.ocr = ocrResult.markdown;
+    if (ocrResult.images && ocrResult.images.length > 0) {
+      window.data.images = ocrResult.images;
+    }
+    if (ocrResult.metadata) {
+      window.data.metadata = window.data.metadata || {};
+      window.data.metadata.ocrEngine = ocrResult.metadata.engine;
+      window.data.metadata.pageCount = ocrResult.metadata.pageCount;
+    }
+
+    // 如果需要翻译，执行翻译
+    if (includeTranslation) {
+      showToast('正在进行翻译...', 'info');
+
+      try {
+        const translationResult = await performTranslation(ocrResult.markdown, (current, total, msg) => {
+          showToast(`${msg || '翻译中'} (${current}/${total})`, 'info', 5000);
+        });
+        window.data.translation = translationResult;
+      } catch (translationError) {
+        console.error('[triggerReprocess] 翻译失败:', translationError);
+        showToast(`翻译失败: ${translationError.message}，但 OCR 已完成`, 'warning');
+        // 继续保存 OCR 结果，即使翻译失败
+      }
+    }
+
+    // 保存到 IndexedDB
+    showToast('正在保存...', 'info');
+    await saveResultToDB(window.data);
+
+    // 刷新页面显示
+    if (typeof renderDetail === 'function') {
+      renderDetail();
+    }
+    if (typeof showTab === 'function') {
+      showTab(includeTranslation ? 'translation' : 'ocr');
+    }
+
+    showToast('处理完成！', 'success');
+
+  } catch (error) {
+    console.error('[triggerReprocess] 处理失败:', error);
+    showToast(`处理失败: ${error.message}`, 'error');
+  }
 }
 
 /**
@@ -198,7 +514,7 @@ async function handleOcrTabClick() {
 
   // 检查是否有原始PDF
   if (!hasOriginalPdfData()) {
-    alert('当前记录没有保存原始PDF数据，无法重新处理。');
+    showToast('当前记录没有保存原始PDF数据，无法重新处理。', 'warning');
     return;
   }
 
@@ -228,7 +544,7 @@ async function handleTranslationTabClick() {
 
   // 检查是否有原始PDF
   if (!hasOriginalPdfData()) {
-    alert('当前记录没有保存原始PDF数据，无法重新处理。');
+    showToast('当前记录没有保存原始PDF数据，无法重新处理。', 'warning');
     return;
   }
 
diff --git a/js/history/history_detail_show_tab.js b/js/history/history_detail_show_tab.js
index f8db960..1e2518d 100644
--- a/js/history/history_detail_show_tab.js
+++ b/js/history/history_detail_show_tab.js
@@ -213,19 +213,17 @@ function showTabImmediate(tab) {
     // 构建 iframe 容器
     document.getElementById('tabContent').innerHTML = `
       <div id="pdf-iframe-wrapper" style="
-        width: 100%; height: calc(100vh - 180px);
+        width: 100%; height: 100%;
         min-height: 500px; position: relative;
         background: #525659;
       ">
         <div id="pdf-viewer-loading" style="
-          position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
-          color:#ccc;font-size:16px;text-align:center;
         ">
           <i class="fa fa-spinner fa-spin" style="font-size:32px;display:block;margin-bottom:12px;"></i>
           正在加载 PDF 查看器...
         </div>
         <iframe id="pdf-viewer-iframe" style="
-          width:100%; height:100%; border:none; display:none;
+          width:100%; height:100%; min-height:500px; border:none; display:none;
         " allowfullscreen></iframe>
       </div>`;
 
diff --git a/js/ui/immersive_layout_logic.js b/js/ui/immersive_layout_logic.js
index b7999c2..48ef498 100644
--- a/js/ui/immersive_layout_logic.js
+++ b/js/ui/immersive_layout_logic.js
@@ -632,13 +632,110 @@
     if (simpleToggleBtn) {
       simpleToggleBtn.addEventListener('click', () => {
         isSimpleImmersiveActive = !isSimpleImmersiveActive;
+
+        // 检查是否在"原始文件"标签页（PDF查看器）
+        const isOriginalFileTab = window.currentVisibleTabId === 'original-file';
+        const pdfIframeWrapper = document.getElementById('pdf-iframe-wrapper');
+        const pdfIframe = document.getElementById('pdf-viewer-iframe');
+        const mainContainer = document.querySelector('.container');
+
         if (isSimpleImmersiveActive) {
-          document.body.classList.add('simple-immersive-mode');
+          // 如果是PDF查看器标签页，进行特殊处理
+          if (isOriginalFileTab && pdfIframeWrapper && mainContainer) {
+            // 添加特殊类用于PDF全屏模式
+            document.body.classList.add('simple-immersive-pdf-mode');
+
+            // 移除container的padding
+            mainContainer.dataset.originalPadding = mainContainer.style.padding || '';
+            mainContainer.style.padding = '0 !important';
+
+            // 让iframe wrapper充满container（接近全屏）
+            pdfIframeWrapper.style.cssText = `
+              width: 100%;
+              height: calc(100vh - 20px);
+              min-height: calc(100vh - 20px);
+              position: relative;
+              background: #525659;
+            `;
+
+            if (pdfIframe) {
+              pdfIframe.style.cssText = `
+                width: 100%;
+                height: 100%;
+                border: none;
+              `;
+            }
+
+            // 隐藏其他UI元素
+            const elementsToHide = [
+              { selector: '.tabs-container', el: document.querySelector('.tabs-container') },
+              { selector: '.history-export-controls', el: document.querySelector('.history-export-controls') },
+              { selector: '#bottom-left-dock', el: document.getElementById('bottom-left-dock') },
+              { selector: '#toc-popup', el: document.getElementById('toc-popup') },
+              { selector: '#fileName', el: document.getElementById('fileName') },
+              { selector: '#fileMeta', el: document.getElementById('fileMeta') }
+            ];
+
+            elementsToHide.forEach(item => {
+              if (item.el) {
+                item.el.dataset.originalDisplay = item.el.style.display || '';
+                item.el.style.display = 'none';
+              }
+            });
+
+            // 隐藏loading指示器
+            const loading = document.getElementById('pdf-viewer-loading');
+            if (loading) loading.style.display = 'none';
+
+            // 确保iframe显示
+            if (pdfIframe) pdfIframe.style.display = 'block';
+          } else {
+            // 非PDF查看器标签页，使用原有的简单沉浸模式
+            document.body.classList.add('simple-immersive-pdf-mode');
+          }
+
           simpleToggleBtn.innerHTML = '<i class="fas fa-eye-slash"></i>';
           simpleToggleBtn.title = '退出简单沉浸模式';
           localStorage.setItem(LS_SIMPLE_IMMERSIVE_KEY, 'true');
         } else {
-          document.body.classList.remove('simple-immersive-mode');
+          // 退出简单沉浸模式
+          document.body.classList.remove('simple-immersive-pdf-mode');
+          document.body.classList.remove('simple-immersive-pdf-mode');
+
+          // 恢复container的padding
+          if (mainContainer && mainContainer.dataset.originalPadding !== undefined) {
+            mainContainer.style.padding = mainContainer.dataset.originalPadding;
+            delete mainContainer.dataset.originalPadding;
+          }
+
+          // 恢复所有被隐藏的元素
+          const elementsToRestore = [
+            { selector: '.tabs-container', el: document.querySelector('.tabs-container') },
+            { selector: '.history-export-controls', el: document.querySelector('.history-export-controls') },
+            { selector: '#bottom-left-dock', el: document.getElementById('bottom-left-dock') },
+            { selector: '#toc-popup', el: document.getElementById('toc-popup') },
+            { selector: '#fileName', el: document.getElementById('fileName') },
+            { selector: '#fileMeta', el: document.getElementById('fileMeta') }
+          ];
+
+          elementsToRestore.forEach(item => {
+            if (item.el && item.el.dataset.originalDisplay !== undefined) {
+              item.el.style.display = item.el.dataset.originalDisplay;
+              delete item.el.dataset.originalDisplay;
+            }
+          });
+
+          // 恢复iframe wrapper的原始样式
+          if (pdfIframeWrapper) {
+            pdfIframeWrapper.style.cssText = `
+              width: 100%;
+              height: 100%;
+              min-height: 500px;
+              position: relative;
+              background: #525659;
+            `;
+          }
+
           simpleToggleBtn.innerHTML = '<i class="fas fa-eye"></i>';
           simpleToggleBtn.title = '进入简单沉浸模式';
           localStorage.setItem(LS_SIMPLE_IMMERSIVE_KEY, 'false');
@@ -690,7 +787,7 @@
         if (!isImmersiveActive) {
           setTimeout(() => {
             if (!isSimpleImmersiveActive) {
-              document.body.classList.add('simple-immersive-mode');
+              document.body.classList.add('simple-immersive-pdf-mode');
               isSimpleImmersiveActive = true;
               if (toggleBtn) {
                 toggleBtn.innerHTML = '<i class="fas fa-compress-alt"></i>';
diff --git a/views/history/history_detail.html b/views/history/history_detail.html
index f88ce76..ec7cc82 100644
--- a/views/history/history_detail.html
+++ b/views/history/history_detail.html
@@ -173,12 +173,14 @@
       <aside class="app-sidebar" id="appSidebar">
         <!-- 侧边栏头部 -->
         <div class="sidebar-header">
-          <img
+          <!-- <img
             src="../../public/h_with_name.svg"
             alt="Paper Burner X"
             class="sidebar-logo"
             id="sidebarLogo"
-          />
+          /> -->
+          <!-- 占位元素 -->
+          <span></span>
           <!-- 桌面端收起按钮 -->
           <button
             class="sidebar-toggle-btn"
@@ -812,6 +814,18 @@
     <script src="../../js/api/api.js"></script>
     <script src="../../js/process/translation.js"></script>
     <script src="../../js/process/mineru-structured-translation.js"></script>
+
+    <!-- OCR Manager 及适配器 -->
+    <script src="../../js/process/ocr-manager.js"></script>
+    <script src="../../js/process/ocr-adapters/base-adapter.js"></script>
+    <script src="../../js/process/ocr-adapters/mistral-adapter.js"></script>
+    <script src="../../js/process/ocr-adapters/mineru-adapter.js"></script>
+    <script src="../../js/process/ocr-adapters/doc2x-adapter.js"></script>
+    <script src="../../js/process/ocr-adapters/local-adapter.js"></script>
+    <script src="../../js/process/ocr.js"></script>
+
+    <!-- OCR 设置管理器 -->
+    <script src="../../js/ui/ocr-settings.js"></script>
     <script src="../../js/annotations/annotation_logic.js"></script>
     <!-- Defines helpers like checkIfTextIsHighlighted -->
     <script src="../../js/annotations/custom_markdown_renderer.js"></script>
