diff --git a/electron/main.ts b/electron/main.ts
index a13ab2b..a8ceee0 100644
--- a/electron/main.ts
+++ b/electron/main.ts
@@ -85,6 +85,7 @@ let agreementWindow: BrowserWindow | null = null
 let onboardingWindow: BrowserWindow | null = null
 // Splash 启动窗口
 let splashWindow: BrowserWindow | null = null
+const sessionChatWindows = new Map<string, BrowserWindow>()
 const keyService = new KeyService()
 
 let mainWindowReady = false
@@ -683,6 +684,87 @@ function createChatHistoryWindow(sessionId: string, messageId: number) {
   return win
 }
 
+/**
+ * 创建独立的会话聊天窗口（单会话，复用聊天页右侧消息区域）
+ */
+function createSessionChatWindow(sessionId: string) {
+  const normalizedSessionId = String(sessionId || '').trim()
+  if (!normalizedSessionId) return null
+
+  const existing = sessionChatWindows.get(normalizedSessionId)
+  if (existing && !existing.isDestroyed()) {
+    if (existing.isMinimized()) {
+      existing.restore()
+    }
+    existing.focus()
+    return existing
+  }
+
+  const isDev = !!process.env.VITE_DEV_SERVER_URL
+  const iconPath = isDev
+    ? join(__dirname, '../public/icon.ico')
+    : join(process.resourcesPath, 'icon.ico')
+
+  const isDark = nativeTheme.shouldUseDarkColors
+
+  const win = new BrowserWindow({
+    width: 980,
+    height: 820,
+    minWidth: 560,
+    minHeight: 560,
+    icon: iconPath,
+    webPreferences: {
+      preload: join(__dirname, 'preload.js'),
+      contextIsolation: true,
+      nodeIntegration: false
+    },
+    titleBarStyle: 'hidden',
+    titleBarOverlay: {
+      color: '#00000000',
+      symbolColor: isDark ? '#ffffff' : '#1a1a1a',
+      height: 40
+    },
+    show: false,
+    backgroundColor: isDark ? '#1A1A1A' : '#F0F0F0',
+    autoHideMenuBar: true
+  })
+
+  const sessionParam = `sessionId=${encodeURIComponent(normalizedSessionId)}`
+  if (process.env.VITE_DEV_SERVER_URL) {
+    win.loadURL(`${process.env.VITE_DEV_SERVER_URL}#/chat-window?${sessionParam}`)
+
+    win.webContents.on('before-input-event', (event, input) => {
+      if (input.key === 'F12' || (input.control && input.shift && input.key === 'I')) {
+        if (win.webContents.isDevToolsOpened()) {
+          win.webContents.closeDevTools()
+        } else {
+          win.webContents.openDevTools()
+        }
+        event.preventDefault()
+      }
+    })
+  } else {
+    win.loadFile(join(__dirname, '../dist/index.html'), {
+      hash: `/chat-window?${sessionParam}`
+    })
+  }
+
+  win.once('ready-to-show', () => {
+    win.show()
+    win.focus()
+  })
+
+  win.on('closed', () => {
+    const tracked = sessionChatWindows.get(normalizedSessionId)
+    if (tracked === win) {
+      sessionChatWindows.delete(normalizedSessionId)
+    }
+  })
+
+  sessionChatWindows.set(normalizedSessionId, win)
+  return win
+}
+
 function showMainWindow() {
   shouldShowMain = true
   if (mainWindowReady) {
@@ -915,6 +997,12 @@ function registerIpcHandlers() {
     return true
   })
 
+  // 打开会话聊天窗口（同会话仅保留一个窗口并聚焦）
+  ipcMain.handle('window:openSessionChatWindow', (_, sessionId: string) => {
+    const win = createSessionChatWindow(sessionId)
+    return Boolean(win)
+  })
+
   // 根据视频尺寸调整窗口大小
   ipcMain.handle('window:resizeToFitVideo', (event, videoWidth: number, videoHeight: number) => {
     const win = BrowserWindow.fromWebContents(event.sender)
diff --git a/electron/preload.ts b/electron/preload.ts
index 5aa8731..60b5a9f 100644
--- a/electron/preload.ts
+++ b/electron/preload.ts
@@ -98,7 +98,9 @@ contextBridge.exposeInMainWorld('electronAPI', {
     openImageViewerWindow: (imagePath: string, liveVideoPath?: string) =>
       ipcRenderer.invoke('window:openImageViewerWindow', imagePath, liveVideoPath),
     openChatHistoryWindow: (sessionId: string, messageId: number) =>
-      ipcRenderer.invoke('window:openChatHistoryWindow', sessionId, messageId)
+      ipcRenderer.invoke('window:openChatHistoryWindow', sessionId, messageId),
+    openSessionChatWindow: (sessionId: string) =>
+      ipcRenderer.invoke('window:openSessionChatWindow', sessionId)
   },
 
   // 数据库路径
diff --git a/src/App.tsx b/src/App.tsx
index e9f634c..4bbd1e9 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -60,6 +60,7 @@ function App() {
   const isOnboardingWindow = location.pathname === '/onboarding-window'
   const isVideoPlayerWindow = location.pathname === '/video-player-window'
   const isChatHistoryWindow = location.pathname.startsWith('/chat-history/')
+  const isStandaloneChatWindow = location.pathname === '/chat-window'
   const isNotificationWindow = location.pathname === '/notification-window'
   const isExportRoute = location.pathname === '/export'
   const [themeHydrated, setThemeHydrated] = useState(false)
@@ -361,6 +362,12 @@ function App() {
     return <ChatHistoryPage />
   }
 
+  // 独立会话聊天窗口（仅显示聊天内容区域）
+  if (isStandaloneChatWindow) {
+    const sessionId = new URLSearchParams(location.search).get('sessionId') || ''
+    return <ChatPage standaloneSessionWindow initialSessionId={sessionId} />
+  }
+
   // 独立通知窗口
   if (isNotificationWindow) {
     return <NotificationWindow />
diff --git a/src/pages/ChatPage.tsx b/src/pages/ChatPage.tsx
index ed5de26..d3da281 100644
--- a/src/pages/ChatPage.tsx
+++ b/src/pages/ChatPage.tsx
@@ -202,7 +202,8 @@ function formatYmdHmDateTime(timestamp?: number): string {
 }
 
 interface ChatPageProps {
-  // 保留接口以备将来扩展
+  standaloneSessionWindow?: boolean
+  initialSessionId?: string | null
 }
 
 
@@ -403,7 +404,9 @@ const SessionItem = React.memo(function SessionItem({
 
 
 
-function ChatPage(_props: ChatPageProps) {
+function ChatPage(props: ChatPageProps) {
+  const { standaloneSessionWindow = false, initialSessionId = null } = props
+  const normalizedInitialSessionId = useMemo(() => String(initialSessionId || '').trim(), [initialSessionId])
   const navigate = useNavigate()
 
   const {
@@ -2223,34 +2226,30 @@ function ChatPage(_props: ChatPageProps) {
   }, [appendMessages, getMessageKey])
 
   // 选择会话
-  const handleSelectSession = (session: ChatSession) => {
-    // 点击折叠群入口，切换到折叠群视图
-    if (session.username.toLowerCase().includes('placeholder_foldgroup')) {
-      setFoldedView(true)
-      return
-    }
-    if (session.username === currentSessionId) return
+  const selectSessionById = useCallback((sessionId: string) => {
+    const normalizedSessionId = String(sessionId || '').trim()
+    if (!normalizedSessionId || normalizedSessionId === currentSessionId) return
     const switchRequestSeq = sessionSwitchRequestSeqRef.current + 1
     sessionSwitchRequestSeqRef.current = switchRequestSeq
 
-    setCurrentSession(session.username, { preserveMessages: false })
+    setCurrentSession(normalizedSessionId, { preserveMessages: false })
     setNoMessageTable(false)
 
-    const restoredFromWindowCache = restoreSessionWindowCache(session.username)
+    const restoredFromWindowCache = restoreSessionWindowCache(normalizedSessionId)
     if (restoredFromWindowCache) {
       pendingSessionLoadRef.current = null
       initialLoadRequestedSessionRef.current = null
       setIsSessionSwitching(false)
-      void refreshSessionIncrementally(session.username, switchRequestSeq)
+      void refreshSessionIncrementally(normalizedSessionId, switchRequestSeq)
     } else {
-      pendingSessionLoadRef.current = session.username
-      initialLoadRequestedSessionRef.current = session.username
+      pendingSessionLoadRef.current = normalizedSessionId
+      initialLoadRequestedSessionRef.current = normalizedSessionId
       setIsSessionSwitching(true)
-      void hydrateSessionPreview(session.username)
+      void hydrateSessionPreview(normalizedSessionId)
       setCurrentOffset(0)
       setJumpStartTime(0)
       setJumpEndTime(0)
-      void loadMessages(session.username, 0, 0, 0, false, {
+      void loadMessages(normalizedSessionId, 0, 0, 0, false, {
         preferLatestPath: true,
         deferGroupSenderWarmup: true,
         forceInitialLimit: 30,
@@ -2269,6 +2268,23 @@ function ChatPage(_props: ChatPageProps) {
     setSessionDetail(null)
     setIsRefreshingDetailStats(false)
     setIsLoadingRelationStats(false)
+  }, [
+    currentSessionId,
+    setCurrentSession,
+    restoreSessionWindowCache,
+    refreshSessionIncrementally,
+    hydrateSessionPreview,
+    loadMessages
+  ])
+
+  // 选择会话
+  const handleSelectSession = (session: ChatSession) => {
+    // 点击折叠群入口，切换到折叠群视图
+    if (session.username.toLowerCase().includes('placeholder_foldgroup')) {
+      setFoldedView(true)
+      return
+    }
+    selectSessionById(session.username)
   }
 
   // 搜索过滤
@@ -2698,6 +2714,21 @@ function ChatPage(_props: ChatPageProps) {
   const isCurrentSessionExporting = Boolean(currentSessionId && inProgressExportSessionIds.has(currentSessionId))
   const isExportActionBusy = isCurrentSessionExporting || isPreparingExportDialog
 
+  useEffect(() => {
+    if (!standaloneSessionWindow) return
+    if (!normalizedInitialSessionId) return
+    if (!isConnected || isConnecting) return
+    if (currentSessionId === normalizedInitialSessionId) return
+    selectSessionById(normalizedInitialSessionId)
+  }, [
+    standaloneSessionWindow,
+    normalizedInitialSessionId,
+    isConnected,
+    isConnecting,
+    currentSessionId,
+    selectSessionById
+  ])
+
   // 从通讯录跳转时，会话不在列表中，主动加载联系人显示名称
   useEffect(() => {
     if (!currentSessionId) return
@@ -3264,7 +3295,7 @@ function ChatPage(_props: ChatPageProps) {
   }
 
   return (
-    <div className={`chat-page ${isResizing ? 'resizing' : ''}`}>
+    <div className={`chat-page ${isResizing ? 'resizing' : ''} ${standaloneSessionWindow ? 'standalone session-only' : ''}`}>
       {/* 自定义删除确认对话框 */}
       {deleteConfirm.show && (
         <div className="delete-confirm-overlay">
@@ -3336,6 +3367,7 @@ function ChatPage(_props: ChatPageProps) {
         </div>
       )}
       {/* 左侧会话列表 */}
+      {!standaloneSessionWindow && (
       <div
         className="session-sidebar"
         ref={sidebarRef}
@@ -3470,9 +3502,10 @@ function ChatPage(_props: ChatPageProps) {
 
 
       </div>
+      )}
 
       {/* 拖动调节条 */}
-      <div className="resize-handle" onMouseDown={handleResizeStart} />
+      {!standaloneSessionWindow && <div className="resize-handle" onMouseDown={handleResizeStart} />}
 
       {/* 右侧消息区域 */}
       <div className="message-area">
@@ -4052,7 +4085,8 @@ function ChatPage(_props: ChatPageProps) {
         ) : (
           <div className="empty-chat">
             <MessageSquare />
-            <p>选择一个会话开始查看聊天记录</p>
+            <p>{standaloneSessionWindow ? '会话加载中或暂无会话记录' : '选择一个会话开始查看聊天记录'}</p>
+            {standaloneSessionWindow && connectionError && <p className="hint">{connectionError}</p>}
           </div>
         )}
       </div>
diff --git a/src/pages/ExportPage.scss b/src/pages/ExportPage.scss
index 2cd4d2f..799220a 100644
--- a/src/pages/ExportPage.scss
+++ b/src/pages/ExportPage.scss
@@ -1115,8 +1115,8 @@
 }
 
 .table-wrap {
-  --contacts-message-col-width: 420px;
-  --contacts-action-col-width: 172px;
+  --contacts-message-col-width: 120px;
+  --contacts-action-col-width: 280px;
   overflow: hidden;
   border: 1px solid var(--border-color);
   border-radius: 10px;
@@ -1257,7 +1257,7 @@
 
   .contacts-list-header-count {
     width: var(--contacts-message-col-width);
-    text-align: right;
+    text-align: center;
     flex-shrink: 0;
     white-space: nowrap;
     overflow: hidden;
@@ -1382,17 +1382,16 @@
     min-width: var(--contacts-message-col-width);
     display: flex;
     align-items: center;
-    justify-content: flex-end;
+    justify-content: center;
     flex-shrink: 0;
-    text-align: right;
+    text-align: center;
   }
 
   .row-message-stats {
     width: 100%;
     display: flex;
-    justify-content: flex-end;
-    align-items: baseline;
-    gap: 8px;
+    justify-content: center;
+    align-items: center;
     white-space: nowrap;
   }
 
@@ -1567,7 +1566,7 @@
   }
 }
 
-.row-action-cell {
+  .row-action-cell {
   display: flex;
   flex-direction: column;
   align-items: flex-end;
@@ -1581,6 +1580,33 @@
     gap: 6px;
   }
 
+  .row-open-chat-btn {
+    border: 1px solid color-mix(in srgb, var(--primary) 38%, var(--border-color));
+    border-radius: 8px;
+    padding: 7px 10px;
+    background: color-mix(in srgb, var(--primary) 12%, var(--bg-secondary));
+    color: var(--primary);
+    font-size: 12px;
+    cursor: pointer;
+    display: inline-flex;
+    align-items: center;
+    gap: 5px;
+    white-space: nowrap;
+
+    &:hover:not(:disabled) {
+      background: color-mix(in srgb, var(--primary) 18%, var(--bg-secondary));
+      border-color: color-mix(in srgb, var(--primary) 55%, var(--border-color));
+    }
+
+    &:disabled {
+      opacity: 0.65;
+      cursor: not-allowed;
+      color: var(--text-tertiary);
+      border-color: var(--border-color);
+      background: var(--bg-secondary);
+    }
+  }
+
   .row-detail-btn {
     border: 1px solid var(--border-color);
     border-radius: 8px;
@@ -2351,8 +2377,8 @@
 
 @media (max-width: 720px) {
   .table-wrap {
-    --contacts-message-col-width: 280px;
-    --contacts-action-col-width: 148px;
+    --contacts-message-col-width: 104px;
+    --contacts-action-col-width: 236px;
   }
 
   .table-wrap .contacts-list-header {
diff --git a/src/pages/ExportPage.tsx b/src/pages/ExportPage.tsx
index f84805c..3a2c69a 100644
--- a/src/pages/ExportPage.tsx
+++ b/src/pages/ExportPage.tsx
@@ -4047,7 +4047,7 @@ function ExportPage() {
               <>
                 <div className="contacts-list-header">
                   <span className="contacts-list-header-main">联系人（头像/名称/微信号）</span>
-                  <span className="contacts-list-header-count">总消息</span>
+                  <span className="contacts-list-header-count">总消息数</span>
                   <span className="contacts-list-header-actions">操作</span>
                 </div>
                 <div className="contacts-list" ref={contactsListRef} onScroll={onContactsListScroll}>
@@ -4091,16 +4091,25 @@ function ExportPage() {
                             </div>
                             <div className="row-message-count">
                               <div className="row-message-stats">
-                                <span className="row-message-stat total">
-                                  <span className="label">总消息</span>
-                                  <strong className={`row-message-count-value ${typeof displayedMessageCount === 'number' ? '' : 'muted'}`}>
-                                    {messageCountLabel}
-                                  </strong>
-                                </span>
+                                <strong className={`row-message-count-value ${typeof displayedMessageCount === 'number' ? '' : 'muted'}`}>
+                                  {messageCountLabel}
+                                </strong>
                               </div>
                             </div>
                             <div className="row-action-cell">
                               <div className="row-action-main">
+                                <button
+                                  className="row-open-chat-btn"
+                                  disabled={!canExport}
+                                  title={canExport ? '在新窗口打开该会话' : '该联系人暂无会话记录'}
+                                  onClick={() => {
+                                    if (!canExport) return
+                                    void window.electronAPI.window.openSessionChatWindow(contact.username)
+                                  }}
+                                >
+                                  <ExternalLink size={13} />
+                                  打开对话
+                                </button>
                                 <button
                                   className={`row-detail-btn ${showSessionDetailPanel && sessionDetail?.wxid === contact.username ? 'active' : ''}`}
                                   onClick={() => openSessionDetail(contact.username)}
diff --git a/src/types/electron.d.ts b/src/types/electron.d.ts
index 8957d40..4bd5396 100644
--- a/src/types/electron.d.ts
+++ b/src/types/electron.d.ts
@@ -13,6 +13,7 @@ export interface ElectronAPI {
     resizeToFitVideo: (videoWidth: number, videoHeight: number) => Promise<void>
     openImageViewerWindow: (imagePath: string, liveVideoPath?: string) => Promise<void>
     openChatHistoryWindow: (sessionId: string, messageId: number) => Promise<boolean>
+    openSessionChatWindow: (sessionId: string) => Promise<boolean>
   }
   config: {
     get: (key: string) => Promise<unknown>