diff --git a/electron/main.ts b/electron/main.ts
index 352651d..b2a93e5 100644
--- a/electron/main.ts
+++ b/electron/main.ts
@@ -171,6 +171,118 @@ const AUTO_UPDATE_ENABLED =
   process.env.AUTO_UPDATE_ENABLED === '1' ||
   (process.env.AUTO_UPDATE_ENABLED == null && !process.env.VITE_DEV_SERVER_URL)
 
+const getLaunchAtStartupUnsupportedReason = (): string | null => {
+  if (process.platform !== 'win32' && process.platform !== 'darwin') {
+    return '当前平台暂不支持开机自启动'
+  }
+  if (!app.isPackaged) {
+    return '仅安装后的 Windows / macOS 版本支持开机自启动'
+  }
+  return null
+}
+
+const isLaunchAtStartupSupported = (): boolean => getLaunchAtStartupUnsupportedReason() == null
+
+const getStoredLaunchAtStartupPreference = (): boolean | undefined => {
+  const value = configService?.get('launchAtStartup')
+  return typeof value === 'boolean' ? value : undefined
+}
+
+const getSystemLaunchAtStartup = (): boolean => {
+  if (!isLaunchAtStartupSupported()) return false
+  try {
+    return app.getLoginItemSettings().openAtLogin === true
+  } catch (error) {
+    console.error('[WeFlow] 读取开机自启动状态失败:', error)
+    return false
+  }
+}
+
+const buildLaunchAtStartupSettings = (enabled: boolean): Parameters<typeof app.setLoginItemSettings>[0] =>
+  process.platform === 'win32'
+    ? { openAtLogin: enabled, path: process.execPath }
+    : { openAtLogin: enabled }
+
+const setSystemLaunchAtStartup = (enabled: boolean): { success: boolean; enabled: boolean; error?: string } => {
+  try {
+    app.setLoginItemSettings(buildLaunchAtStartupSettings(enabled))
+    const effectiveEnabled = app.getLoginItemSettings().openAtLogin === true
+    if (effectiveEnabled !== enabled) {
+      return {
+        success: false,
+        enabled: effectiveEnabled,
+        error: '系统未接受该开机自启动设置'
+      }
+    }
+    return { success: true, enabled: effectiveEnabled }
+  } catch (error) {
+    return {
+      success: false,
+      enabled: getSystemLaunchAtStartup(),
+      error: `设置开机自启动失败: ${String((error as Error)?.message || error)}`
+    }
+  }
+}
+
+const getLaunchAtStartupStatus = (): { enabled: boolean; supported: boolean; reason?: string } => {
+  const unsupportedReason = getLaunchAtStartupUnsupportedReason()
+  if (unsupportedReason) {
+    return {
+      enabled: getStoredLaunchAtStartupPreference() === true,
+      supported: false,
+      reason: unsupportedReason
+    }
+  }
+  return {
+    enabled: getSystemLaunchAtStartup(),
+    supported: true
+  }
+}
+
+const applyLaunchAtStartupPreference = (
+  enabled: boolean
+): { success: boolean; enabled: boolean; supported: boolean; reason?: string; error?: string } => {
+  const unsupportedReason = getLaunchAtStartupUnsupportedReason()
+  if (unsupportedReason) {
+    return {
+      success: false,
+      enabled: getStoredLaunchAtStartupPreference() === true,
+      supported: false,
+      reason: unsupportedReason
+    }
+  }
+
+  const result = setSystemLaunchAtStartup(enabled)
+  configService?.set('launchAtStartup', result.enabled)
+  return {
+    ...result,
+    supported: true
+  }
+}
+
+const syncLaunchAtStartupPreference = () => {
+  if (!configService) return
+
+  const unsupportedReason = getLaunchAtStartupUnsupportedReason()
+  if (unsupportedReason) return
+
+  const storedPreference = getStoredLaunchAtStartupPreference()
+  const systemEnabled = getSystemLaunchAtStartup()
+
+  if (typeof storedPreference !== 'boolean') {
+    configService.set('launchAtStartup', systemEnabled)
+    return
+  }
+
+  if (storedPreference === systemEnabled) return
+
+  const result = setSystemLaunchAtStartup(storedPreference)
+  configService.set('launchAtStartup', result.enabled)
+  if (!result.success && result.error) {
+    console.error('[WeFlow] 同步开机自启动设置失败:', result.error)
+  }
+}
+
 // 使用白名单过滤 PATH，避免被第三方目录中的旧版 VC++ 运行库劫持。
 // 仅保留系统目录（Windows/System32/SysWOW64）和应用自身目录（可执行目录、resources）。
 function sanitizePathEnv() {
@@ -1250,7 +1362,12 @@ function registerIpcHandlers() {
   })
 
   ipcMain.handle('config:set', async (_, key: string, value: any) => {
-    const result = configService?.set(key as any, value)
+    let result: unknown
+    if (key === 'launchAtStartup') {
+      result = applyLaunchAtStartupPreference(value === true)
+    } else {
+      result = configService?.set(key as any, value)
+    }
     if (key === 'updateChannel') {
       applyAutoUpdateChannel('settings')
     }
@@ -1259,6 +1376,12 @@ function registerIpcHandlers() {
   })
 
   ipcMain.handle('config:clear', async () => {
+    if (isLaunchAtStartupSupported() && getSystemLaunchAtStartup()) {
+      const result = setSystemLaunchAtStartup(false)
+      if (!result.success && result.error) {
+        console.error('[WeFlow] 清空配置时关闭开机自启动失败:', result.error)
+      }
+    }
     configService?.clear()
     messagePushService.handleConfigCleared()
     return true
@@ -1301,6 +1424,14 @@ function registerIpcHandlers() {
     return app.getVersion()
   })
 
+  ipcMain.handle('app:getLaunchAtStartupStatus', async () => {
+    return getLaunchAtStartupStatus()
+  })
+
+  ipcMain.handle('app:setLaunchAtStartup', async (_, enabled: boolean) => {
+    return applyLaunchAtStartupPreference(enabled === true)
+  })
+
   ipcMain.handle('app:checkWayland', async () => {
     if (process.platform !== 'linux') return false;
 
@@ -2881,6 +3012,7 @@ app.whenReady().then(async () => {
   updateSplashProgress(5, '正在加载配置...')
   configService = new ConfigService()
   applyAutoUpdateChannel('startup')
+  syncLaunchAtStartupPreference()
 
   // 将用户主题配置推送给 Splash 窗口
   if (splashWindow && !splashWindow.isDestroyed()) {
diff --git a/electron/preload.ts b/electron/preload.ts
index 38e722f..db103ef 100644
--- a/electron/preload.ts
+++ b/electron/preload.ts
@@ -53,6 +53,8 @@ contextBridge.exposeInMainWorld('electronAPI', {
   app: {
     getDownloadsPath: () => ipcRenderer.invoke('app:getDownloadsPath'),
     getVersion: () => ipcRenderer.invoke('app:getVersion'),
+    getLaunchAtStartupStatus: () => ipcRenderer.invoke('app:getLaunchAtStartupStatus'),
+    setLaunchAtStartup: (enabled: boolean) => ipcRenderer.invoke('app:setLaunchAtStartup', enabled),
     checkForUpdates: () => ipcRenderer.invoke('app:checkForUpdates'),
     downloadAndInstall: () => ipcRenderer.invoke('app:downloadAndInstall'),
     ignoreUpdate: (version: string) => ipcRenderer.invoke('app:ignoreUpdate', version),
diff --git a/electron/services/config.ts b/electron/services/config.ts
index 7e3b1e1..3039412 100644
--- a/electron/services/config.ts
+++ b/electron/services/config.ts
@@ -27,6 +27,7 @@ interface ConfigSchema {
   themeId: string
   language: string
   logEnabled: boolean
+  launchAtStartup?: boolean
   llmModelPath: string
   whisperModelName: string
   whisperModelDir: string
diff --git a/src/pages/SettingsPage.tsx b/src/pages/SettingsPage.tsx
index 98fe8b3..808a601 100644
--- a/src/pages/SettingsPage.tsx
+++ b/src/pages/SettingsPage.tsx
@@ -138,6 +138,9 @@ function SettingsPage({ onClose }: SettingsPageProps = {}) {
   const [notificationPosition, setNotificationPosition] = useState<'top-right' | 'top-left' | 'bottom-right' | 'bottom-left' | 'top-center'>('top-right')
   const [notificationFilterMode, setNotificationFilterMode] = useState<'all' | 'whitelist' | 'blacklist'>('all')
   const [notificationFilterList, setNotificationFilterList] = useState<string[]>([])
+  const [launchAtStartup, setLaunchAtStartup] = useState(false)
+  const [launchAtStartupSupported, setLaunchAtStartupSupported] = useState(isWindows || isMac)
+  const [launchAtStartupReason, setLaunchAtStartupReason] = useState('')
   const [windowCloseBehavior, setWindowCloseBehavior] = useState<configService.WindowCloseBehavior>('ask')
   const [quoteLayout, setQuoteLayout] = useState<configService.QuoteLayout>('quote-top')
   const [updateChannel, setUpdateChannel] = useState<configService.UpdateChannel>('stable')
@@ -162,6 +165,7 @@ function SettingsPage({ onClose }: SettingsPageProps = {}) {
   const [isFetchingDbKey, setIsFetchingDbKey] = useState(false)
   const [isFetchingImageKey, setIsFetchingImageKey] = useState(false)
   const [isCheckingUpdate, setIsCheckingUpdate] = useState(false)
+  const [isUpdatingLaunchAtStartup, setIsUpdatingLaunchAtStartup] = useState(false)
   const [appVersion, setAppVersion] = useState('')
   const [message, setMessage] = useState<{ text: string; success: boolean } | null>(null)
   const [showDecryptKey, setShowDecryptKey] = useState(false)
@@ -337,6 +341,7 @@ function SettingsPage({ onClose }: SettingsPageProps = {}) {
       const savedNotificationFilterMode = await configService.getNotificationFilterMode()
       const savedNotificationFilterList = await configService.getNotificationFilterList()
       const savedMessagePushEnabled = await configService.getMessagePushEnabled()
+      const savedLaunchAtStartupStatus = await window.electronAPI.app.getLaunchAtStartupStatus()
       const savedWindowCloseBehavior = await configService.getWindowCloseBehavior()
       const savedQuoteLayout = await configService.getQuoteLayout()
       const savedUpdateChannel = await configService.getUpdateChannel()
@@ -386,6 +391,9 @@ function SettingsPage({ onClose }: SettingsPageProps = {}) {
       setNotificationFilterMode(savedNotificationFilterMode)
       setNotificationFilterList(savedNotificationFilterList)
       setMessagePushEnabled(savedMessagePushEnabled)
+      setLaunchAtStartup(savedLaunchAtStartupStatus.enabled)
+      setLaunchAtStartupSupported(savedLaunchAtStartupStatus.supported)
+      setLaunchAtStartupReason(savedLaunchAtStartupStatus.reason || '')
       setWindowCloseBehavior(savedWindowCloseBehavior)
       setQuoteLayout(savedQuoteLayout)
       if (savedUpdateChannel) {
@@ -428,6 +436,29 @@ function SettingsPage({ onClose }: SettingsPageProps = {}) {
 
 
 
+  const handleLaunchAtStartupChange = async (enabled: boolean) => {
+    if (isUpdatingLaunchAtStartup) return
+
+    try {
+      setIsUpdatingLaunchAtStartup(true)
+      const result = await window.electronAPI.app.setLaunchAtStartup(enabled)
+      setLaunchAtStartup(result.enabled)
+      setLaunchAtStartupSupported(result.supported)
+      setLaunchAtStartupReason(result.reason || '')
+
+      if (result.success) {
+        showMessage(enabled ? '已开启开机自启动' : '已关闭开机自启动', true)
+        return
+      }
+
+      showMessage(result.error || result.reason || '设置开机自启动失败', false)
+    } catch (e: any) {
+      showMessage(`设置开机自启动失败: ${e?.message || String(e)}`, false)
+    } finally {
+      setIsUpdatingLaunchAtStartup(false)
+    }
+  }
+
   const refreshWhisperStatus = async (modelDirValue = whisperModelDir) => {
     try {
       const result = await window.electronAPI.whisper?.getModelStatus()
@@ -1199,6 +1230,39 @@ function SettingsPage({ onClose }: SettingsPageProps = {}) {
 
       <div className="divider" />
 
+      <div className="form-group">
+        <label>开机自启动</label>
+        <span className="form-hint">
+          {launchAtStartupSupported
+            ? '开启后，登录系统时会自动启动 WeFlow。'
+            : launchAtStartupReason || '当前环境暂不支持开机自启动。'}
+        </span>
+        <div className="log-toggle-line">
+          <span className="log-status">
+            {isUpdatingLaunchAtStartup
+              ? '保存中...'
+              : launchAtStartupSupported
+                ? (launchAtStartup ? '已开启' : '已关闭')
+                : '当前不可用'}
+          </span>
+          <label className="switch" htmlFor="launch-at-startup-toggle">
+            <input
+              id="launch-at-startup-toggle"
+              className="switch-input"
+              type="checkbox"
+              checked={launchAtStartup}
+              disabled={!launchAtStartupSupported || isUpdatingLaunchAtStartup}
+              onChange={(e) => {
+                void handleLaunchAtStartupChange(e.target.checked)
+              }}
+            />
+            <span className="switch-slider" />
+          </label>
+        </div>
+      </div>
+
+      <div className="divider" />
+
       <div className="form-group">
         <label>关闭主窗口时</label>
         <span className="form-hint">设置点击关闭按钮后的默认行为；选择“每次询问”时会弹出关闭确认。</span>
diff --git a/src/services/config.ts b/src/services/config.ts
index 59e8afa..1f687e7 100644
--- a/src/services/config.ts
+++ b/src/services/config.ts
@@ -13,6 +13,7 @@ export const CONFIG_KEYS = {
   LAST_SESSION: 'lastSession',
   WINDOW_BOUNDS: 'windowBounds',
   CACHE_PATH: 'cachePath',
+  LAUNCH_AT_STARTUP: 'launchAtStartup',
 
   EXPORT_PATH: 'exportPath',
   AGREEMENT_ACCEPTED: 'agreementAccepted',
@@ -258,6 +259,18 @@ export async function setLogEnabled(enabled: boolean): Promise<void> {
   await config.set(CONFIG_KEYS.LOG_ENABLED, enabled)
 }
 
+// 获取开机自启动偏好
+export async function getLaunchAtStartup(): Promise<boolean | null> {
+  const value = await config.get(CONFIG_KEYS.LAUNCH_AT_STARTUP)
+  if (typeof value === 'boolean') return value
+  return null
+}
+
+// 设置开机自启动偏好
+export async function setLaunchAtStartup(enabled: boolean): Promise<void> {
+  await config.set(CONFIG_KEYS.LAUNCH_AT_STARTUP, enabled)
+}
+
 // 获取 LLM 模型路径
 export async function getLlmModelPath(): Promise<string | null> {
   const value = await config.get(CONFIG_KEYS.LLM_MODEL_PATH)
diff --git a/src/types/electron.d.ts b/src/types/electron.d.ts
index c174983..19f33a5 100644
--- a/src/types/electron.d.ts
+++ b/src/types/electron.d.ts
@@ -56,6 +56,14 @@ export interface ElectronAPI {
   app: {
     getDownloadsPath: () => Promise<string>
     getVersion: () => Promise<string>
+    getLaunchAtStartupStatus: () => Promise<{ enabled: boolean; supported: boolean; reason?: string }>
+    setLaunchAtStartup: (enabled: boolean) => Promise<{
+      success: boolean
+      enabled: boolean
+      supported: boolean
+      reason?: string
+      error?: string
+    }>
     checkForUpdates: () => Promise<{ hasUpdate: boolean; version?: string; releaseNotes?: string }>
     downloadAndInstall: () => Promise<void>
     ignoreUpdate: (version: string) => Promise<{ success: boolean }>