diff --git a/electron/main.ts b/electron/main.ts
index 26954ac..b377515 100644
--- a/electron/main.ts
+++ b/electron/main.ts
@@ -439,6 +439,7 @@ const pruneChatHistoryPayloadStore = (): void => {
 }
 
 type WindowCloseBehavior = 'ask' | 'tray' | 'quit'
+type CloseRestoreMethod = 'tray' | 'dock'
 
 // 更新下载状态管理（Issue #294 修复）
 let isDownloadInProgress = false
@@ -812,29 +813,47 @@ const isSilentStartupEnabled = (): boolean => {
   return configService?.get('silentStartup') === true
 }
 
+const getCloseRestoreMethod = (): CloseRestoreMethod | null => {
+  if (tray) return 'tray'
+  if (process.platform === 'darwin') return 'dock'
+  return null
+}
+
+const canKeepMainWindowInBackground = (): boolean => {
+  return getCloseRestoreMethod() !== null
+}
+
+const getPlatformIconName = (): string => {
+  if (process.platform === 'linux') return 'icon.png'
+  if (process.platform === 'darwin') return 'icon.icns'
+  return 'icon.ico'
+}
+
+const resolveAppIconPath = (): string => {
+  const iconName = getPlatformIconName()
+  if (!process.env.VITE_DEV_SERVER_URL) {
+    return join(process.resourcesPath, iconName)
+  }
+  if (process.platform === 'darwin') {
+    return join(__dirname, '../resources/icons/macos/icon.icns')
+  }
+  return join(__dirname, `../public/${iconName}`)
+}
+
 const requestMainWindowCloseConfirmation = (win: BrowserWindow): void => {
   if (isClosePromptVisible) return
   isClosePromptVisible = true
+  const restoreMethod = getCloseRestoreMethod()
   win.webContents.send('window:confirmCloseRequested', {
-    canMinimizeToTray: Boolean(tray)
+    canMinimizeToTray: restoreMethod !== null,
+    restoreMethod: restoreMethod ?? undefined
   })
 }
 
 function createWindow(options: { autoShow?: boolean } = {}) {
   // 获取图标路径 - 打包后在 resources 目录
   const { autoShow = true } = options
-  let iconName = 'icon.ico';
-  if (process.platform === 'linux') {
-    iconName = 'icon.png';
-  } else if (process.platform === 'darwin') {
-    iconName = 'icon.icns';
-  }
-
-  const isDev = !!process.env.VITE_DEV_SERVER_URL
-
-  const iconPath = isDev
-      ? join(__dirname, `../public/${iconName}`)
-      : join(process.resourcesPath, iconName);
+  const iconPath = resolveAppIconPath()
 
   const win = new BrowserWindow({
     width: 1400,
@@ -907,7 +926,7 @@ function createWindow(options: { autoShow?: boolean } = {}) {
       return
     }
 
-    if (closeBehavior === 'tray' && tray) {
+    if (closeBehavior === 'tray' && canKeepMainWindowInBackground()) {
       win.hide()
       return
     }
@@ -2167,7 +2186,7 @@ function registerIpcHandlers() {
 
     try {
       if (action === 'tray') {
-        if (tray) {
+        if (canKeepMainWindowInBackground()) {
           mainWindow.hide()
           return true
         }
@@ -4313,18 +4332,7 @@ app.whenReady().then(async () => {
   ensureWeChatRequestHeaderInterceptor()
   mainWindow = createWindow({ autoShow: false })
 
-  let iconName = 'icon.ico';
-  if (process.platform === 'linux') {
-    iconName = 'icon.png';
-  } else if (process.platform === 'darwin') {
-    iconName = 'icon.icns';
-  }
-
-  const isDev = !!process.env.VITE_DEV_SERVER_URL
-
-  const resolvedTrayIcon = isDev
-      ? join(__dirname, `../public/${iconName}`)
-      : join(process.resourcesPath, iconName);
+  const resolvedTrayIcon = resolveAppIconPath()
 
 
   try {
@@ -4402,6 +4410,14 @@ app.whenReady().then(async () => {
   await httpService.autoStart()
 
   app.on('activate', () => {
+    if (mainWindow && !mainWindow.isDestroyed()) {
+      if (!mainWindow.isVisible()) {
+        mainWindow.show()
+      }
+      mainWindow.focus()
+      return
+    }
+
     if (BrowserWindow.getAllWindows().length === 0) {
       mainWindow = createWindow()
     }
@@ -4447,4 +4463,3 @@ app.on('window-all-closed', () => {
     app.quit()
   }
 })
-
diff --git a/electron/preload.ts b/electron/preload.ts
index 0a5e187..a5ff64d 100644
--- a/electron/preload.ts
+++ b/electron/preload.ts
@@ -1,5 +1,10 @@
 import { contextBridge, ipcRenderer } from 'electron'
 
+type CloseConfirmPayload = {
+  canMinimizeToTray: boolean
+  restoreMethod?: 'tray' | 'dock'
+}
+
 // 暴露给渲染进程的 API
 contextBridge.exposeInMainWorld('electronAPI', {
   // 配置
@@ -106,8 +111,8 @@ contextBridge.exposeInMainWorld('electronAPI', {
       return () => ipcRenderer.removeListener('window:maximizeStateChanged', listener)
     },
     close: () => ipcRenderer.send('window:close'),
-    onCloseConfirmRequested: (callback: (payload: { canMinimizeToTray: boolean }) => void) => {
-      const listener = (_: unknown, payload: { canMinimizeToTray: boolean }) => callback(payload)
+    onCloseConfirmRequested: (callback: (payload: CloseConfirmPayload) => void) => {
+      const listener = (_: unknown, payload: CloseConfirmPayload) => callback(payload)
       ipcRenderer.on('window:confirmCloseRequested', listener)
       return () => ipcRenderer.removeListener('window:confirmCloseRequested', listener)
     },
diff --git a/src/App.tsx b/src/App.tsx
index f217457..78cdd84 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -94,6 +94,7 @@ function App() {
   const [sidebarCollapsed, setSidebarCollapsed] = useState(false)
   const [showCloseDialog, setShowCloseDialog] = useState(false)
   const [canMinimizeToTray, setCanMinimizeToTray] = useState(false)
+  const [closeRestoreMethod, setCloseRestoreMethod] = useState<'tray' | 'dock'>('tray')
 
   // 锁定状态
   // const [isLocked, setIsLocked] = useState(false) // Moved to store
@@ -120,6 +121,7 @@ function App() {
   useEffect(() => {
     const removeCloseConfirmListener = window.electronAPI.window.onCloseConfirmRequested((payload) => {
       setCanMinimizeToTray(Boolean(payload.canMinimizeToTray))
+      setCloseRestoreMethod(payload.restoreMethod === 'dock' ? 'dock' : 'tray')
       setShowCloseDialog(true)
     })
 
@@ -685,6 +687,7 @@ function App() {
       <WindowCloseDialog
         open={showCloseDialog}
         canMinimizeToTray={canMinimizeToTray}
+        restoreMethod={closeRestoreMethod}
         onSelect={(action, rememberChoice) => handleWindowCloseAction(action, rememberChoice)}
         onCancel={() => handleWindowCloseAction('cancel')}
       />
diff --git a/src/components/WindowCloseDialog.tsx b/src/components/WindowCloseDialog.tsx
index ea838ea..85c6f2e 100644
--- a/src/components/WindowCloseDialog.tsx
+++ b/src/components/WindowCloseDialog.tsx
@@ -5,6 +5,7 @@ import './WindowCloseDialog.scss'
 interface WindowCloseDialogProps {
   open: boolean
   canMinimizeToTray: boolean
+  restoreMethod?: 'tray' | 'dock'
   onSelect: (action: 'tray' | 'quit', rememberChoice: boolean) => void
   onCancel: () => void
 }
@@ -12,10 +13,12 @@ interface WindowCloseDialogProps {
 export default function WindowCloseDialog({
   open,
   canMinimizeToTray,
+  restoreMethod = 'tray',
   onSelect,
   onCancel
 }: WindowCloseDialogProps) {
   const [rememberChoice, setRememberChoice] = useState(false)
+  const isDockRestore = restoreMethod === 'dock'
 
   useEffect(() => {
     if (!open) return
@@ -57,7 +60,9 @@ export default function WindowCloseDialog({
           <h2 id="window-close-dialog-title">关闭 WeFlow</h2>
           <p>
             {canMinimizeToTray
-              ? '你可以保留后台进程与本地 API，或者直接完全退出应用。'
+              ? isDockRestore
+                ? '你可以隐藏主窗口并保留后台进程与本地 API，稍后可从 Dock 或重新打开应用恢复。'
+                : '你可以保留后台进程与本地 API，或者直接完全退出应用。'
               : '当前系统托盘不可用，本次只能完全退出应用。'}
           </p>
         </div>
@@ -73,8 +78,12 @@ export default function WindowCloseDialog({
                 <Minimize2 size={18} />
               </span>
               <span className="window-close-dialog-option-text">
-                <strong>最小化到系统托盘</strong>
-                <span>继续保留后台进程和本地 API，稍后可从托盘恢复。</span>
+                <strong>{isDockRestore ? '隐藏主窗口' : '最小化到系统托盘'}</strong>
+                <span>
+                  {isDockRestore
+                    ? '继续保留后台进程和本地 API，稍后可从 Dock 或重新打开应用恢复。'
+                    : '继续保留后台进程和本地 API，稍后可从托盘恢复。'}
+                </span>
               </span>
             </button>
           )}
diff --git a/src/types/electron.d.ts b/src/types/electron.d.ts
index 9936f6a..cdf804d 100644
--- a/src/types/electron.d.ts
+++ b/src/types/electron.d.ts
@@ -278,6 +278,11 @@ export interface BackupManifest {
   }
 }
 
+export type CloseConfirmPayload = {
+  canMinimizeToTray: boolean
+  restoreMethod?: 'tray' | 'dock'
+}
+
 export interface ElectronAPI {
   window: {
     minimize: () => void
@@ -285,7 +290,7 @@ export interface ElectronAPI {
     isMaximized: () => Promise<boolean>
     onMaximizeStateChanged: (callback: (isMaximized: boolean) => void) => () => void
     close: () => void
-    onCloseConfirmRequested: (callback: (payload: { canMinimizeToTray: boolean }) => void) => () => void
+    onCloseConfirmRequested: (callback: (payload: CloseConfirmPayload) => void) => () => void
     respondCloseConfirm: (action: 'tray' | 'quit' | 'cancel') => Promise<boolean>
     openAgreementWindow: () => Promise<boolean>
     completeOnboarding: () => Promise<boolean>