diff --git a/components/RoutePersistence.tsx b/components/RoutePersistence.tsx
index c6e2c4a..aa146d4 100644
--- a/components/RoutePersistence.tsx
+++ b/components/RoutePersistence.tsx
@@ -26,7 +26,7 @@ const RoutePersistence = () => {
       }
     };
 
-    restoreRoute();
+    restoreRoute().then(() => console.info('恢复路由成功'));
   }, [location, navigate]);
 
   useEffect(() => {
@@ -36,7 +36,7 @@ const RoutePersistence = () => {
       console.log('保存路由', location.pathname);
     };
 
-    saveRoute();
+    saveRoute().then(() => console.info('保存路由成功'));
   }, [location]);
 
   return null;
diff --git a/entrypoints/background.ts b/entrypoints/background.ts
index cd2dcbd..8dbc96b 100644
--- a/entrypoints/background.ts
+++ b/entrypoints/background.ts
@@ -3,11 +3,18 @@ import { browser } from 'wxt/browser';
 import { downloadHtmlInBackground } from '@/utils/recordUtils.tsx';
 import { sendMessage, onMessage } from '@/utils/messages';
 import { getActiveTabId } from '@/utils/tabUtils';
+import {
+  initRecordingSession,
+  appendEvents,
+  streamAllEvents,
+  deleteRecordingSession,
+  generateSessionId,
+} from '@/utils/recordEventsDb';
 
 interface RecorderState {
   isRecording: boolean;
   recordingTabId: number | undefined;
-  events: unknown[];
+  sessionId: string | undefined;
   startTime: number | undefined;
 }
 
@@ -20,12 +27,12 @@ async function loadRecorderState(): Promise<RecorderState> {
     return (result[STORAGE_KEY] as RecorderState) || {
       isRecording: false,
       recordingTabId: undefined,
-      events: [],
+      sessionId: undefined,
       startTime: undefined,
     };
   } catch (err) {
     console.error('[background] Failed to load recorder state:', err);
-    return { isRecording: false, recordingTabId: undefined, events: [], startTime: undefined };
+    return { isRecording: false, recordingTabId: undefined, sessionId: undefined, startTime: undefined };
   }
 }
 
@@ -85,7 +92,7 @@ export default defineBackground(() => {
     );
 
     // 扩展安装/更新时重置录制状态
-    await saveRecorderState({ isRecording: false, recordingTabId: undefined, events: [], startTime: undefined });
+    await saveRecorderState({ isRecording: false, recordingTabId: undefined, sessionId: undefined, startTime: undefined });
   });
 
   // 监听 Tab 切换 - 如果正在录制且切换到其他 Tab，发出警告
@@ -109,14 +116,14 @@ export default defineBackground(() => {
       console.warn('[background] 录制中的 Tab 已关闭，自动停止录制');
       // 这里可以调用停止逻辑或通知 popup
       await sendMessage('popup:stopped', undefined);
-      await saveRecorderState({ isRecording: false, recordingTabId: undefined, startTime: undefined });
+      await saveRecorderState({ isRecording: false, recordingTabId: undefined, sessionId: undefined, startTime: undefined });
     }
   });
 
   onMessage('popup:check-status', async () => {
     console.log('[background] popup:check-status');
     const state = await loadRecorderState();
-    
+
     // 如果正在录制，额外检查 content script 的实际状态
     if (state.isRecording && state.recordingTabId) {
       try {
@@ -124,17 +131,17 @@ export default defineBackground(() => {
         console.log('[background] content check-status result:', result);
         // 如果 content script 返回 false，说明状态不同步，需要重置
         if (!result) {
-          await saveRecorderState({ isRecording: false, recordingTabId: undefined, startTime: undefined });
+          await saveRecorderState({ isRecording: false, recordingTabId: undefined, sessionId: undefined, startTime: undefined });
           return { active: false, startTime: -1 };
         }
       } catch (err) {
         console.error('[background-err] check-status failed:', err);
         // Content script 可能已被移除（如页面刷新），重置状态
-        await saveRecorderState({ isRecording: false, recordingTabId: undefined, startTime: undefined });
+        await saveRecorderState({ isRecording: false, recordingTabId: undefined, sessionId: undefined, startTime: undefined });
         return { active: false, startTime: -1 };
       }
     }
-    
+
     return { active: state.isRecording, startTime: state.startTime ?? -1 };
   });
 
@@ -149,15 +156,24 @@ export default defineBackground(() => {
       }
 
       const tabId = await getActiveTabId();
+      if (!tabId) {
+        return { ok: false, error: 'No active tab' };
+      }
       const response = await sendMessage('content:start-recording', undefined, tabId);
       if (response.ok) {
+        // 生成新的会话 ID 并初始化 IndexedDB 会话
+        const sessionId = generateSessionId();
+        console.log('[bg] 开始录制，sessionId:', sessionId, 'tabId:', tabId);
+        await initRecordingSession(sessionId, tabId);
+
         // 保存录制状态到 storage
         await saveRecorderState({
           isRecording: true,
           recordingTabId: tabId,
-          events: [], // 清空旧事件
+          sessionId,
           startTime: Date.now(),
         });
+        console.log('[bg] 录制状态已保存');
         await sendMessage('popup:started', undefined);
         return { ok: true };
       }
@@ -172,14 +188,14 @@ export default defineBackground(() => {
     console.log('[bg] stopRecording received');
     try {
       const state = await loadRecorderState();
-      
+
       if (!state.isRecording) {
         console.warn('[bg] 当前不在录制状态');
         return { ok: false, error: 'Not recording' };
       }
 
       const currentTabId = await getActiveTabId();
-      
+
       // Tab 一致性检查 - 允许一定程度的灵活性
       if (state.recordingTabId !== currentTabId) {
         console.warn(
@@ -191,19 +207,27 @@ export default defineBackground(() => {
 
       const targetTabId = state.recordingTabId ?? currentTabId;
       const response = await sendMessage('content:stop-recording', undefined, targetTabId);
-      
+
       if (response.ok) {
-        // 下载回放文件
-        downloadHtmlInBackground(state.events);
-        
+        // 从 IndexedDB 流式读取所有事件并下载回放文件
+        if (state.sessionId) {const allEvents: unknown[] = [];
+          await streamAllEvents(state.sessionId, (events) => {
+            allEvents.push(...events);
+          });
+          downloadHtmlInBackground(allEvents);
+
+          // 删除会话数据
+          await deleteRecordingSession(state.sessionId);
+        }
+
         // 清空状态
         await saveRecorderState({
           isRecording: false,
           recordingTabId: undefined,
-          events: [],
+          sessionId: undefined,
           startTime: undefined,
         });
-        
+
         await sendMessage('popup:stopped', undefined);
         return { ok: true };
       }
@@ -214,16 +238,21 @@ export default defineBackground(() => {
     }
   });
 
-  onMessage('content:save-tracke-events', async (event) => {
+  onMessage('content:save-track-events', async (event) => {
     const state = await loadRecorderState();
+    console.log('[bg] 收到事件，当前状态:', state);
     if (!state.isRecording) {
       console.warn('[bg] 收到事件但当前不在录制状态，丢弃事件');
       return false;
     }
-    
-    // 将新事件追加到现有事件列表
-    const updatedEvents = [...state.events, event];
-    await saveRecorderState({ events: updatedEvents });
+
+    if (!state.sessionId) {
+      console.error('[bg] 没有 sessionId，无法存储事件');
+      return false;
+    }
+
+    // 使用 IndexedDB 分块存储事件
+    await appendEvents(state.sessionId, [event]);
     return true;
   });
 });
diff --git a/entrypoints/popup/App.css b/entrypoints/popup/App.css
index 96d0316..873141c 100644
--- a/entrypoints/popup/App.css
+++ b/entrypoints/popup/App.css
@@ -38,913 +38,6 @@ body {
   box-sizing: border-box;
 }
 
-.nav {
-  height: 56px;
-  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
-  border-bottom: 1px solid #e9ecef;
-  display: flex;
-  align-items: center;
-  padding: 0 20px;
-  margin-bottom: 10px;
-  position: relative;
-  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
-}
-
-.nav-content {
-  width: 100%;
-  display: flex;
-  align-items: center;
-}
-
-.nav-list {
-  list-style: none;
-  display: flex;
-  gap: 16px;
-  padding: 0;
-  margin: 0;
-  align-items: center;
-  flex-wrap: wrap;
-  transition: all 0.3s ease;
-}
-
-.nav-link {
-  text-decoration: none;
-  color: #495057;
-  font-size: 14px;
-  font-weight: 500;
-  padding: 8px 16px;
-  border-radius: 8px;
-  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
-  display: inline-block;
-  white-space: nowrap;
-  position: relative;
-  border: 1px solid transparent;
-}
-
-.nav-link:hover {
-  background-color: #f8f9fa;
-  color: #212529;
-  border-color: #dee2e6;
-  transform: translateY(-1px);
-  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
-}
-
-.nav-link.active {
-  color: #4361ee;
-  font-weight: 600;
-  background: linear-gradient(135deg, rgba(67, 97, 238, 0.1) 0%, rgba(67, 97, 238, 0.05) 100%);
-  border: 1px solid rgba(67, 97, 238, 0.2);
-  box-shadow: 0 2px 8px rgba(67, 97, 238, 0.15);
-}
-
-.nav-link.active::before {
-  content: '';
-  position: absolute;
-  bottom: -2px;
-  left: 16px;
-  right: 16px;
-  height: 3px;
-  background: linear-gradient(90deg, #4361ee, #3a56d4);
-  border-radius: 3px;
-}
-
-/* 折叠菜单相关样式 */
-.nav-collapse-item {
-  position: relative;
-  display: flex;
-  align-items: center;
-}
-
-.nav-collapse-content {
-  position: absolute;
-  top: 100%;
-  right: 0;
-  background: white;
-  border: 1px solid transparent;
-  border-radius: 12px;
-  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
-  min-width: 140px;
-  margin-top: 12px;
-  flex-direction: column;
-  gap: 0;
-  opacity: 0;
-  visibility: hidden;
-  transform: translateY(-12px) scale(0.95);
-  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
-  display: none;
-  z-index: 1000;
-  overflow: hidden;
-}
-
-.nav-collapse-item:hover .nav-collapse-content,
-.nav-collapse-content.show {
-  display: flex;
-  opacity: 1;
-  visibility: visible;
-  transform: translateY(0) scale(1);
-  border-color: #e9ecef;
-}
-
-.nav-collapse-content .nav-link {
-  padding: 12px 20px;
-  width: 100%;
-  text-align: left;
-  box-sizing: border-box;
-  border-radius: 0;
-  border: none;
-  font-size: 14px;
-  font-weight: 500;
-  color: #495057;
-  transition: all 0.2s ease;
-}
-
-.nav-collapse-content .nav-link:last-child {
-  border-bottom: none;
-}
-
-.nav-collapse-content .nav-link:hover {
-  background: linear-gradient(90deg, rgba(67, 97, 238, 0.08), rgba(67, 97, 238, 0.04));
-  color: #4361ee;
-  padding-left: 24px;
-}
-
-.nav-collapse-content .nav-link.active {
-  background: linear-gradient(90deg, rgba(67, 97, 238, 0.15), rgba(67, 97, 238, 0.08));
-  color: #4361ee;
-  font-weight: 600;
-  border: none;
-  box-shadow: none;
-}
-
-.nav-collapse-content .nav-link.active::before {
-  display: none;
-}
-
-.nav-toggle {
-  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
-  border: 1px solid #dee2e6;
-  border-radius: 10px;
-  padding: 8px 16px;
-  cursor: pointer;
-  font-size: 14px;
-  font-weight: 500;
-  color: #495057;
-  display: flex;
-  align-items: center;
-  gap: 6px;
-  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
-  margin-left: 12px;
-  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
-  position: relative;
-  overflow: hidden;
-}
-
-.nav-toggle::before {
-  content: '';
-  position: absolute;
-  top: 0;
-  left: 0;
-  right: 0;
-  bottom: 0;
-  background: linear-gradient(135deg, rgba(67, 97, 238, 0.1), rgba(67, 97, 238, 0.05));
-  opacity: 0;
-  transition: opacity 0.3s ease;
-  z-index: 1;
-}
-
-.nav-toggle:hover {
-  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
-  border-color: #4361ee;
-  color: #4361ee;
-  transform: translateY(-2px);
-  box-shadow: 0 4px 12px rgba(67, 97, 238, 0.15);
-}
-
-.nav-toggle:hover::before {
-  opacity: 1;
-}
-
-.nav-toggle-icon {
-  font-size: 18px;
-  line-height: 1;
-  position: relative;
-  z-index: 2;
-  transition: transform 0.3s ease;
-}
-
-.nav-toggle:hover .nav-toggle-icon {
-  transform: scale(1.1);
-}
-
-.nav-collapse-count {
-  font-size: 12px;
-  font-weight: 600;
-  color: #4361ee;
-  background: rgba(67, 97, 238, 0.1);
-  padding: 2px 6px;
-  border-radius: 10px;
-  min-width: 20px;
-  text-align: center;
-  position: relative;
-  z-index: 2;
-}
-
-/* 响应式设计 */
-@media (max-width: 767px) {
-  .nav-list {
-    gap: 12px;
-    flex-wrap: nowrap;
-  }
-
-  /* 当菜单展开时，允许换行并显示所有可见项 */
-  .nav-list.open {
-    flex-wrap: wrap;
-    overflow: visible;
-  }
-
-  .nav-link {
-    padding: 6px 10px;
-    font-size: 13px;
-  }
-
-  .nav-collapse-content {
-    position: fixed;
-    top: 48px;
-    left: 0;
-    right: 0;
-    margin-top: 0;
-    border-radius: 8px;
-    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
-    max-height: 0;
-    overflow: hidden;
-    transition: max-height 0.3s ease;
-    opacity: 1; /* 覆盖默认的opacity: 0 */
-    visibility: visible; /* 覆盖默认的visibility: hidden */
-    transform: none; /* 覆盖默认的transform */
-    display: block; /* 覆盖默认的display: none，使用block而不是flex */
-    /* 移除边框，避免横线显示 */
-    border-style: none;
-  }
-
-  .nav-collapse-content.show {
-    max-height: 300px;
-  }
-
-  .nav-collapse-content .nav-link {
-    padding: 12px 16px;
-    font-size: 14px;
-  }
-
-  .nav-toggle {
-    padding: 8px 16px;
-    margin-left: auto;
-  }
-}
-
-@media (max-width: 479px) {
-  .nav {
-    padding: 0 12px;
-    z-index: 1000; /* 确保导航栏在展开菜单上方 */
-    height: 52px;
-  }
-
-  .nav-list {
-    width: 100%;
-    align-items: center;
-  }
-
-  /* 当菜单展开时，允许换行并显示所有可见项 */
-  .nav-list.open {
-    flex-wrap: wrap;
-    overflow: visible;
-  }
-
-  /* 可见的导航项应该始终显示 */
-  .nav-list > li:not(.nav-collapse-item) {
-    display: flex;
-    align-items: center;
-  }
-
-  .nav-list > li:not(.nav-collapse-item) .nav-link {
-    display: inline-block;
-    padding: 8px 12px;
-    font-size: 13px;
-    white-space: nowrap;
-    max-width: 80px;
-    overflow: hidden;
-    text-overflow: ellipsis;
-    border: 1px solid transparent;
-  }
-
-  /* 折叠菜单内容 - 只在打开时显示 */
-  .nav-collapse-content {
-    position: fixed;
-    top: 52px;
-    left: 0;
-    right: 0;
-    background: white;
-    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
-    z-index: 999;
-    max-height: 0;
-    overflow: hidden;
-    transition: max-height 0.3s ease;
-    border: 0;
-    border-radius: 0 0 12px 12px;
-  }
-
-  .nav-collapse-content.show {
-    max-height: calc(100% - 52px);
-    overflow-y: auto;
-  }
-
-  .nav-collapse-content .nav-link {
-    display: block;
-    width: 100%;
-    text-align: center;
-    border-bottom: 1px solid #f8f9fa;
-    padding: 14px 16px;
-    font-size: 14px;
-    font-weight: 500;
-    color: #495057;
-    transition: all 0.2s ease;
-  }
-
-  .nav-collapse-content .nav-link:hover {
-    background: linear-gradient(90deg, rgba(67, 97, 238, 0.08), rgba(67, 97, 238, 0.04));
-    color: #4361ee;
-  }
-
-  .nav-collapse-content .nav-link.active {
-    background: linear-gradient(90deg, rgba(67, 97, 238, 0.15), rgba(67, 97, 238, 0.08));
-    color: #4361ee;
-    font-weight: 600;
-  }
-
-  .nav-collapse-content .nav-link:last-child {
-    border-bottom: none;
-  }
-
-  .nav-toggle {
-    padding: 8px 12px;
-    font-size: 13px;
-    min-width: 44px;
-    height: 32px;
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
-    border: 1px solid #dee2e6;
-    border-radius: 8px;
-    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
-  }
-
-  .nav-toggle:hover {
-    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
-    border-color: #4361ee;
-    color: #4361ee;
-    transform: translateY(-1px);
-    box-shadow: 0 4px 12px rgba(67, 97, 238, 0.15);
-  }
-
-  .nav-collapse-count {
-    display: none;
-  }
-}
-
-/* 隐藏滚动条样式 */
-/* WebKit浏览器 (Chrome, Safari, Edge) */
-body::-webkit-scrollbar,
-.app::-webkit-scrollbar,
-.nav-collapse-content.show::-webkit-scrollbar,
-.timestamp-display::-webkit-scrollbar {
-  display: none;
-}
-
-/* Firefox */
-body,
-.app,
-.nav-collapse-content.show,
-.timestamp-display {
-  scrollbar-width: none;
-}
-
-/* IE/Edge 10+ */
-body,
-.app,
-.nav-collapse-content.show,
-.timestamp-display {
-  -ms-overflow-style: none;
-}
-
-button {
-  background: #4caf50;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  box-sizing: border-box;
-  transition:
-    transform 0.08s ease,
-    box-shadow 0.2s ease,
-    background-color 0.25s ease;
-}
-
-button:hover {
-  background: #3d8b40;
-  transform: translateY(-2px);
-  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
-}
-
-button:active {
-  background: #4caf50;
-  transform: scale(0.96) translateY(0);
-  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
-}
-
-/* 超小屏幕适配 - 修复边框遮挡问题 */
-@media (max-width: 399px) {
-  .nav {
-    position: relative;
-    border-bottom: none; /* 移除导航栏底部边框 */
-    height: 48px;
-    padding: 0 8px;
-  }
-
-  .nav::after {
-    content: '';
-    position: absolute;
-    bottom: 0;
-    left: 0;
-    right: 0;
-    height: 1px;
-    background: linear-gradient(90deg, transparent, #e9ecef, transparent);
-  }
-
-  /* 当菜单展开时，允许换行并显示所有可见项 */
-  .nav-list.open {
-    flex-wrap: wrap;
-    overflow: visible;
-  }
-
-  /* 调整可见导航项的宽度，适应更小的屏幕 */
-  .nav-list > li:not(.nav-collapse-item) .nav-link {
-    max-width: 60px;
-    padding: 6px 8px;
-    font-size: 12px;
-    border: 1px solid transparent;
-  }
-
-  .nav-list > li:not(.nav-collapse-item) .nav-link.active {
-    background: linear-gradient(135deg, rgba(67, 97, 238, 0.1) 0%, rgba(67, 97, 238, 0.05) 100%);
-    border: 1px solid rgba(67, 97, 238, 0.2);
-    box-shadow: 0 1px 4px rgba(67, 97, 238, 0.15);
-  }
-
-  .nav-collapse-content {
-    top: 48px;
-  }
-
-  .nav-collapse-content.show {
-    max-height: calc(100% - 48px);
-  }
-
-  .nav-toggle {
-    padding: 6px 10px;
-    font-size: 12px;
-    min-width: 36px;
-    height: 28px;
-    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
-    border: 1px solid #dee2e6;
-    border-radius: 6px;
-    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
-  }
-
-  .nav-toggle:hover {
-    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
-    border-color: #4361ee;
-    color: #4361ee;
-    transform: translateY(-1px);
-    box-shadow: 0 2px 8px rgba(67, 97, 238, 0.15);
-  }
-
-  .nav-toggle-icon {
-    font-size: 12px;
-  }
-}
-
-/* 中等屏幕适配 */
-@media (min-width: 480px) and (max-width: 767px) {
-  .nav-list {
-    flex-wrap: wrap;
-    justify-content: flex-start;
-  }
-
-  .nav-link {
-    flex: 0 0 auto;
-  }
-
-  .nav-collapse-item {
-    margin-left: auto;
-  }
-
-  /* 确保.nav-list.open不会影响中等屏幕的布局 */
-  .nav-list.open {
-    flex-wrap: wrap;
-    position: static;
-    background: none;
-    border: none;
-    box-shadow: none;
-    max-height: none;
-    overflow: visible;
-  }
-}
-
-.page {
-  padding: 20px;
-  border: 1px solid #ddd;
-  border-radius: 8px;
-}
-
-.user-list {
-  list-style: none;
-  padding: 0;
-}
-
-.user-list li {
-  padding: 8px;
-  border-bottom: 1px solid #eee;
-}
-
-.btn {
-  display: inline-block;
-  margin-top: 20px;
-  padding: 10px 20px;
-  background: #2196f3;
-  color: white;
-  text-decoration: none;
-  border-radius: 8px;
-}
-
-.btn:hover {
-  background: #0b7dda;
-}
-
-.actions {
-  margin: 20px 0;
-}
-
-.action-btn {
-  margin-right: 10px;
-  padding: 8px 16px;
-  background: #4caf50;
-  color: white;
-  border-radius: 8px;
-  cursor: pointer;
-  border: 1px solid #d9d9d9;
-  box-shadow: 0 2px #00000004;
-}
-
-.stop-btn {
-  margin-right: 10px;
-  padding: 8px 16px;
-  background: #f32152;
-  color: white;
-  border: none;
-  border-radius: 8px;
-  cursor: pointer;
-}
-
-.stop-btn:hover {
-  background: #ff0000;
-}
-
-input {
-  width: 100%;
-  padding: 10px;
-  border: 1px solid #ddd;
-  border-radius: 8px;
-  margin-bottom: 20px;
-  box-sizing: border-box;
-  font-size: 14px;
-}
-
-select {
-  width: 100%;
-  padding: 10px;
-  border: 1px solid #ddd;
-  border-radius: 8px;
-  margin-bottom: 20px;
-  box-sizing: border-box;
-  font-size: 14px;
-}
-
-/* 时间戳组件样式 */
-.timestamp-container {
-  padding: 20px;
-  border: var(--border);
-  border-radius: var(--radius);
-  background: var(--bg-color);
-  margin: 20px 0;
-}
-
-.timestamp-container:hover {
-  box-shadow: 4px 4px 12px 8px rgba(0, 0, 0, 0.1);
-  transition: box-shadow 0.3s ease;
-}
-
-/* 时间戳显示区域 */
-.timestamp-display {
-  display: flex;
-  align-items: center; /* 垂直居中 */
-  justify-content: center; /* 横向居中 */
-  gap: 10px;
-  border-radius: var(--radius);
-  overflow-x: auto;
-  overflow-y: hidden;
-  white-space: nowrap;
-}
-
-.timestamp-value {
-  font-size: 2.5rem;
-  font-weight: 600;
-  color: var(--text-color);
-  font-family: 'Courier New', monospace;
-  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
-  white-space: nowrap;
-  flex-shrink: 0;
-}
-
-.timestamp-unit {
-  font-size: 1rem;
-  color: var(--text-color);
-  font-weight: 400;
-}
-
-.timestamp-controls {
-  display: flex;
-  gap: 12px;
-  justify-content: center;
-  flex-wrap: wrap;
-}
-
-/* 确保 CopyButton 也使用相同的样式 */
-.timestamp-controls .action-btn,
-.timestamp-controls .stop-btn {
-  min-width: 120px;
-  height: 44px;
-  padding: 10px 20px;
-  border-radius: 8px;
-  font-weight: 500;
-  font-size: 0.95rem;
-}
-
-.timestamp-status {
-  display: flex;
-  justify-content: space-between;
-  align-items: center;
-  padding: 12px 16px;
-  background: rgba(255, 255, 255, 0.8);
-  border-radius: 8px;
-  font-size: 0.9rem;
-  border: 1px solid #e0e0e0;
-}
-
-.status-indicator {
-  display: flex;
-  align-items: center;
-  gap: 6px;
-  font-weight: 500;
-}
-
-.status-indicator.running {
-  color: #27ae60;
-}
-
-.status-indicator.stopped {
-  color: #e74c3c;
-}
-
-.unit-indicator {
-  color: #7f8c8d;
-  font-weight: 500;
-}
-
-/* 响应式设计 */
-@media (max-width: 480px) {
-  .timestamp-container {
-    padding: 15px;
-  }
-
-  .timestamp-display {
-    padding: 12px;
-    align-items: center; /* 垂直居中 */
-    justify-content: center; /* 横向居中 */
-  }
-
-  .timestamp-value {
-    font-size: 1.8rem;
-    line-height: 1.1;
-  }
-
-  .timestamp-unit {
-    font-size: 1rem;
-    flex-shrink: 0;
-  }
-
-  .timestamp-controls {
-    flex-direction: row;
-    flex-wrap: nowrap;
-    justify-content: space-between;
-    gap: 8px;
-  }
-
-  .timestamp-controls .action-btn,
-  .timestamp-controls .stop-btn {
-    width: auto;
-    flex: 1;
-    min-width: auto;
-    max-width: none;
-    height: 44px;
-    padding: 8px 12px;
-    font-size: 0.85rem;
-  }
-
-  .timestamp-status {
-    flex-direction: column;
-    gap: 8px;
-    text-align: center;
-  }
-}
-
-/* 400px以下屏幕适配 - 防止按钮文本换行 */
-@media (max-width: 400px) {
-  .timestamp-controls {
-    gap: 4px;
-  }
-
-  .timestamp-controls .action-btn,
-  .timestamp-controls .stop-btn {
-    padding: 6px 4px;
-    font-size: 0.75rem;
-    height: 38px;
-    min-width: auto;
-    white-space: nowrap;
-    overflow: hidden;
-    text-overflow: ellipsis;
-  }
-}
-
-/* 超小屏幕适配 */
-@media (max-width: 360px) {
-  .timestamp-value {
-    font-size: 1.5rem;
-  }
-
-  .timestamp-display {
-    padding: 10px;
-    align-items: center; /* 垂直居中 */
-    justify-content: center; /* 横向居中 */
-  }
-
-  .timestamp-controls {
-    gap: 3px;
-  }
-
-  .timestamp-controls .action-btn,
-  .timestamp-controls .stop-btn {
-    padding: 5px 3px;
-    font-size: 0.7rem;
-    height: 36px;
-  }
-}
-
-/* 日期时间转换器样式 */
-.datetime-converter {
-  padding: 20px;
-  border: var(--border);
-  border-radius: 8px;
-  background: var(--bg-color);
-  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
-  margin: 20px 0;
-}
-
-.datetime-converter:hover {
-  box-shadow: 4px 4px 12px 8px rgba(0, 0, 0, 0.1);
-  transition: box-shadow 0.3s ease;
-}
-
-.converter-title {
-  color: #2c3e50;
-  font-size: 1.5rem;
-  margin-bottom: 20px;
-  text-align: center;
-  font-weight: 600;
-}
-
-.converter-form {
-  display: flex;
-  flex-direction: column;
-  gap: 16px;
-}
-
-.input-group,
-.result-group {
-  display: flex;
-  gap: 12px;
-  align-items: center;
-}
-
-.datetime-input,
-.result-input {
-  flex: 1;
-  padding: 10px 14px;
-  border: 1px solid #ddd;
-  border-radius: 8px;
-  font-size: 0.95rem;
-  font-weight: 400;
-  background: white;
-  transition: border-color 0.2s ease;
-  width: auto !important;
-  margin-bottom: 0 !important;
-}
-
-.datetime-input:focus,
-.result-input:focus {
-  outline: none;
-  border-color: #3498db;
-  box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
-}
-
-.timezone-select,
-.unit-select {
-  padding: 10px 14px;
-  border: 1px solid #ddd;
-  border-radius: 8px;
-  font-size: 0.95rem;
-  background: white;
-  min-width: 180px;
-  cursor: pointer;
-  transition: border-color 0.2s ease;
-  width: auto !important;
-  margin-bottom: 0 !important;
-}
-
-.timezone-select:focus,
-.unit-select:focus {
-  outline: none;
-  border-color: #3498db;
-  box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
-}
-
-.action-group {
-  display: flex;
-  justify-content: center;
-}
-
-.converter-btn {
-  padding: 10px 24px;
-  border-radius: 8px;
-  font-weight: 500;
-  font-size: 1rem;
-  min-width: 120px;
-}
-
-.error-message {
-  padding: 10px 14px;
-  background: #ffeaea;
-  border: 1px solid #ffcccc;
-  border-radius: 8px;
-  color: #d32f2f;
-  font-size: 0.9rem;
-  text-align: center;
-  animation: fadeIn 0.3s ease;
-}
-
-.result-info {
-  padding: 12px 16px;
-  background: rgba(255, 255, 255, 0.9);
-  border-radius: 8px;
-  border: 1px solid #e0e0e0;
-  font-size: 0.95rem;
-  text-align: center;
-}
-
-.result-label {
-  font-weight: 600;
-  color: #2c3e50;
-}
-
-.result-value {
-  font-family: 'Courier New', monospace;
-  font-weight: 700;
-  color: #3498db;
-  margin: 0 4px;
-}
-
-.result-unit {
-  color: #7f8c8d;
-  font-weight: 500;
-}
-
 @keyframes fadeIn {
   from {
     opacity: 0;
@@ -955,41 +48,3 @@ select {
     transform: translateY(0);
   }
 }
-
-/* 响应式设计 */
-@media (max-width: 768px) {
-  .input-group,
-  .result-group {
-    flex-direction: column;
-    align-items: stretch;
-  }
-
-  .timezone-select,
-  .unit-select {
-    min-width: auto;
-    width: 100% !important;
-  }
-
-  .datetime-converter {
-    padding: 16px;
-  }
-}
-
-@media (max-width: 480px) {
-  .converter-title {
-    font-size: 1.3rem;
-  }
-
-  .datetime-input,
-  .result-input,
-  .timezone-select,
-  .unit-select {
-    padding: 8px 12px;
-    font-size: 0.9rem;
-  }
-
-  .converter-btn {
-    padding: 10px 20px;
-    font-size: 0.95rem;
-  }
-}
diff --git a/utils/messages.tsx b/utils/messages.tsx
index f8cb5f8..65dc66a 100644
--- a/utils/messages.tsx
+++ b/utils/messages.tsx
@@ -16,7 +16,7 @@ export const messages = {
   },
   content: {
     from: {
-      saveTrackeEvents: 'content:save-tracke-events',
+      saveTrackEvents: 'content:save-track-events',
     },
     to: {
       startRecording: 'content:start-recording',
@@ -43,7 +43,7 @@ interface ProtocolMap {
   'popup:ready': () => void;
 
   // --- Content 相关 ---
-  'content:save-tracke-events': (event: unknown) => boolean;
+  'content:save-track-events': (event: unknown) => boolean;
   'content:start-recording': () => { ok: boolean; error?: string };
   'content:stop-recording': () => { ok: boolean };
   'content:check-status': () => boolean;
diff --git a/utils/recordEventsDb.ts b/utils/recordEventsDb.ts
new file mode 100644
index 0000000..24c2e70
--- /dev/null
+++ b/utils/recordEventsDb.ts
@@ -0,0 +1,293 @@
+/**
+ * IndexedDB 工具模块 - 用于分块存储录制事件
+ * 避免长时间录制导致内存溢出
+ */
+
+const DB_NAME = 'recording-events-db';
+const DB_VERSION = 1;
+const STORE_NAME = 'events';
+const CHUNK_SIZE = 100; // 每个 chunk 存储的事件数量
+
+export interface EventChunk {
+  id: number;
+  sessionId: string;
+  chunkIndex: number;
+  events: unknown[];
+  timestamp: number;
+}
+
+interface RecordingSession {
+  id: string;
+  startTime: number;
+  tabId: number;
+  chunkCount: number;
+  totalEvents: number;
+}
+
+let db: IDBDatabase | null = null;
+
+/**
+ * 打开数据库连接
+ */
+export async function openDB(): Promise<IDBDatabase> {
+  if (db) return db;
+
+  return new Promise((resolve, reject) => {
+    const request = indexedDB.open(DB_NAME, DB_VERSION);
+
+    request.onerror = () => reject(request.error);
+    request.onsuccess = () => {
+      db = request.result;
+      resolve(db);
+    };
+
+    request.onupgradeneeded = (event) => {
+      const database = (event.target as IDBOpenDBRequest).result;
+
+      // 创建事件 chunk 存储
+      if (!database.objectStoreNames.contains(STORE_NAME)) {
+        const store = database.createObjectStore(STORE_NAME, { keyPath: 'id', autoIncrement: true });
+        store.createIndex('sessionId', 'sessionId', { unique: false });
+        store.createIndex('chunkIndex', 'chunkIndex', { unique: false });
+        store.createIndex('sessionId_chunkIndex', ['sessionId', 'chunkIndex'], { unique: true });
+      }
+
+      // 创建录制会话存储
+      if (!database.objectStoreNames.contains('sessions')) {
+        const sessionStore = database.createObjectStore('sessions', { keyPath: 'id' });
+        sessionStore.createIndex('startTime', 'startTime', { unique: false });
+      }
+    };
+  });
+}
+
+/**
+ * 初始化新的录制会话
+ */
+export async function initRecordingSession(sessionId: string, tabId: number): Promise<void> {
+  const database = await openDB();
+
+  return new Promise((resolve, reject) => {
+    const tx = database.transaction('sessions', 'readwrite');
+    const store = tx.objectStore('sessions');
+
+    const session: RecordingSession = {
+      id: sessionId,
+      startTime: Date.now(),
+      tabId,
+      chunkCount: 0,
+      totalEvents: 0,
+    };
+
+    const request = store.put(session);
+    request.onsuccess = () => resolve();
+    request.onerror = () => reject(request.error);
+  });
+}
+
+/**
+ * 获取当前会话的 chunk 数量
+ */
+export async function getSessionChunkCount(sessionId: string): Promise<number> {
+  const database = await openDB();
+
+  return new Promise((resolve, reject) => {
+    const tx = database.transaction('sessions', 'readonly');
+    const store = tx.objectStore('sessions');
+    const request = store.get(sessionId);
+
+    request.onsuccess = () => {
+      const session = request.result as RecordingSession | undefined;
+      resolve(session?.chunkCount || 0);
+    };
+    request.onerror = () => reject(request.error);
+  });
+}
+
+/**
+ * 追加事件到存储（自动分块）
+ * 当当前 chunk 满时创建新 chunk
+ */
+export async function appendEvents(sessionId: string, newEvents: unknown[]): Promise<void> {
+  const database = await openDB();
+  const chunkCount = await getSessionChunkCount(sessionId);
+
+  // 获取或创建当前 chunk
+  let currentChunk: EventChunk | null = null;
+  let currentChunkIndex = chunkCount > 0 ? chunkCount - 1 : 0;
+
+  if (chunkCount > 0) {
+    currentChunk = await getChunk(database, sessionId, currentChunkIndex);
+  }
+
+  // 如果当前 chunk 不存在或已满，创建新 chunk
+  if (!currentChunk || currentChunk.events.length >= CHUNK_SIZE) {
+    currentChunkIndex = chunkCount;
+    currentChunk = {
+      id: 0, // 将由 IndexedDB 自动分配
+      sessionId,
+      chunkIndex: currentChunkIndex,
+      events: [],
+      timestamp: Date.now(),
+    };
+
+    // 更新会话的 chunk 计数
+    await updateSessionChunkCount(database, sessionId, chunkCount + 1);
+  }
+
+  // 将新事件添加到当前 chunk
+  currentChunk.events.push(...newEvents);
+
+  // 保存 chunk
+  await saveChunk(database, currentChunk);
+}
+
+/**
+ * 获取指定 chunk
+ */
+async function getChunk(
+  database: IDBDatabase,
+  sessionId: string,
+  chunkIndex: number,
+): Promise<EventChunk | null> {
+  return new Promise((resolve, reject) => {
+    const tx = database.transaction(STORE_NAME, 'readonly');
+    const store = tx.objectStore(STORE_NAME);
+    const index = store.index('sessionId_chunkIndex');
+    const request = index.get([sessionId, chunkIndex]);
+
+    request.onsuccess = () => resolve(request.result || null);
+    request.onerror = () => reject(request.error);
+  });
+}
+
+/**
+ * 保存 chunk
+ */
+async function saveChunk(database: IDBDatabase, chunk: EventChunk): Promise<void> {
+  return new Promise((resolve, reject) => {
+    const tx = database.transaction(STORE_NAME, 'readwrite');
+    const store = tx.objectStore(STORE_NAME);
+    const request = store.put(chunk);
+
+    request.onsuccess = () => resolve();
+    request.onerror = () => reject(request.error);
+  });
+}
+
+/**
+ * 更新会话的 chunk 计数
+ */
+async function updateSessionChunkCount(
+  database: IDBDatabase,
+  sessionId: string,
+  chunkCount: number,
+): Promise<void> {
+  return new Promise((resolve, reject) => {
+    const tx = database.transaction('sessions', 'readwrite');
+    const store = tx.objectStore('sessions');
+    const getRequest = store.get(sessionId);
+
+    getRequest.onsuccess = () => {
+      const session = getRequest.result as RecordingSession | undefined;
+      if (session) {
+        session.chunkCount = chunkCount;
+        const putRequest = store.put(session);
+        putRequest.onsuccess = () => resolve();
+        putRequest.onerror = () => reject(putRequest.error);
+      } else {
+        resolve();
+      }
+    };
+    getRequest.onerror = () => reject(getRequest.error);
+  });
+}
+
+/**
+ * 流式读取所有事件（按 chunk 顺序）
+ * 使用回调方式避免一次性加载所有事件到内存
+ */
+export async function streamAllEvents(
+  sessionId: string,
+  onChunk: (events: unknown[]) => void | Promise<void>,
+): Promise<void> {
+  const database = await openDB();
+  const chunkCount = await getSessionChunkCount(sessionId);
+
+  for (let i = 0; i < chunkCount; i++) {
+    const chunk = await getChunk(database, sessionId, i);
+    if (chunk && chunk.events.length > 0) {
+      await onChunk(chunk.events);
+    }
+  }
+}
+
+/**
+ * 获取所有事件（用于下载，一次性加载）
+ * 注意：这会将所有事件加载到内存，仅在需要导出时调用
+ */
+export async function getAllEvents(sessionId: string): Promise<unknown[]> {
+  const allEvents: unknown[] = [];
+
+  await streamAllEvents(sessionId, (events) => {
+    allEvents.push(...events);
+  });
+
+  return allEvents;
+}
+
+/**
+ * 删除录制会话的所有数据
+ */
+export async function deleteRecordingSession(sessionId: string): Promise<void> {
+  const database = await openDB();
+
+  return new Promise((resolve, reject) => {
+    // 删除所有相关的 chunk
+    const chunkTx = database.transaction(STORE_NAME, 'readwrite');
+    const chunkStore = chunkTx.objectStore(STORE_NAME);
+    const index = chunkStore.index('sessionId');
+    const request = index.openCursor(IDBKeyRange.only(sessionId));
+
+    request.onsuccess = (event) => {
+      const cursor = (event.target as IDBRequest<IDBCursorWithValue>).result;
+      if (cursor) {
+        cursor.delete();
+        cursor.continue();
+      }
+    };
+
+    chunkTx.oncomplete = () => {
+      // 删除会话记录
+      const sessionTx = database.transaction('sessions', 'readwrite');
+      const sessionStore = sessionTx.objectStore('sessions');
+      const deleteRequest = sessionStore.delete(sessionId);
+
+      deleteRequest.onsuccess = () => resolve();
+      deleteRequest.onerror = () => reject(deleteRequest.error);
+    };
+
+    chunkTx.onerror = () => reject(chunkTx.error);
+  });
+}
+
+/**
+ * 生成唯一的会话 ID
+ */
+export function generateSessionId(): string {
+  return `session_${Date.now()}_${Math.random().toString(36).substring(2, 9)}`;
+}
+
+/**
+ * 清理数据库（用于调试或重置）
+ */
+export async function clearDatabase(): Promise<void> {
+  return new Promise((resolve, reject) => {
+    const request = indexedDB.deleteDatabase(DB_NAME);
+    request.onsuccess = () => {
+      db = null;
+      resolve();
+    };
+    request.onerror = () => reject(request.error);
+  });
+}
diff --git a/utils/useRecorder.tsx b/utils/useRecorder.tsx
index 87b4e7f..001d4df 100644
--- a/utils/useRecorder.tsx
+++ b/utils/useRecorder.tsx
@@ -10,7 +10,7 @@ export const createRecorder = () => {
     try {
       const handler = rrweb.record({
         emit(event) {
-          sendMessage('content:save-tracke-events', event);
+          sendMessage('content:save-track-events', event);
         },
         plugins: [getRecordConsolePlugin()],
       });