diff --git a/SmartAgriCenter/package.json b/SmartAgriCenter/package.json
index 886a19c..fbb6a8d 100644
--- a/SmartAgriCenter/package.json
+++ b/SmartAgriCenter/package.json
@@ -1,6 +1,6 @@
 {
   "name": "smart-agri-center",
-  "version": "1.5.1",
+  "version": "1.5.4",
   "description": "智慧农业大数据可视化控制中心（Electron + React + TypeScript）",
   "main": "./out/main/index.js",
   "author": "FanHongCai",
diff --git a/SmartAgriCenter/src/main/ipc.ts b/SmartAgriCenter/src/main/ipc.ts
index 0dec227..ad9c053 100644
--- a/SmartAgriCenter/src/main/ipc.ts
+++ b/SmartAgriCenter/src/main/ipc.ts
@@ -129,10 +129,10 @@ export function registerIpc(): void {
   })
 
   // ===== 工程文件（带 JSON 读写密码）=====
-  /** 记住用户最后一次选择/保存工程的文件夹 */
-  const rememberDir = async (p: string): Promise<void> => {
+  /** 记住用户最后一次选择/保存的工程（文件夹 + 文件完整路径，供启动时自动恢复） */
+  const rememberProject = async (p: string): Promise<void> => {
     try {
-      await saveSettings({ lastDir: dirname(p) })
+      await saveSettings({ lastDir: dirname(p), lastProjectPath: p })
     } catch {
       // 记录失败不影响主流程
     }
@@ -151,7 +151,7 @@ export function registerIpc(): void {
     })
     if (r.canceled || !r.filePath) return null
     const res = await writeProjectFile(r.filePath, payload.data, pwd)
-    if (res.ok) await rememberDir(r.filePath)
+    if (res.ok) await rememberProject(r.filePath)
     return res.ok ? r.filePath : null
   })
 
@@ -160,6 +160,7 @@ export function registerIpc(): void {
     const settings = await loadSettings()
     const pwd = payload.password ?? settings.jsonPassword
     const res = await writeProjectFile(payload.path, payload.data, pwd)
+    if (res.ok) await rememberProject(payload.path)
     return res.ok ? payload.path : null
   })
 
@@ -175,14 +176,19 @@ export function registerIpc(): void {
     if (r.canceled || !r.filePaths[0]) return null
     const pwd = password ?? settings.jsonPassword
     const res = await readProjectFile(r.filePaths[0], pwd)
-    await rememberDir(r.filePaths[0])
+    await rememberProject(r.filePaths[0])
     return res
   })
 
-  // 打开指定路径工程（用于密码输入重试 / 快捷方式场景）
-  ipcMain.handle('project:openAt', (_e, payload: { path: string; password?: string }) =>
-    readProjectFile(payload.path, payload.password ?? '')
-  )
+  // 打开指定路径工程（用于密码输入重试 / 快捷方式场景 / 启动自动恢复）
+  ipcMain.handle('project:openAt', async (_e, payload: { path: string; password?: string }) => {
+    const res = await readProjectFile(payload.path, payload.password ?? '')
+    await rememberProject(payload.path)
+    return res
+  })
+
+  // 返回上次编辑的工程文件路径（启动时自动恢复用），无则返回 null
+  ipcMain.handle('project:lastPath', async () => (await loadSettings()).lastProjectPath || null)
 
   // ===== 应用设置 =====
   ipcMain.handle('settings:get', () => loadSettings())
@@ -328,32 +334,41 @@ export function registerIpc(): void {
 
 let dirty = false
 let forceQuit = false
+/** 关闭倒计时秒数：到点后自动退出主程序 */
+const QUIT_COUNTDOWN = 10
+let quitGuardTimer: NodeJS.Timeout | null = null
 
 function setDirtyFlag(d: boolean): void {
   dirty = d
 }
 
 export function installCloseGuard(win: BrowserWindow): void {
+  // 渲染层确认退出 / 倒计时结束 → 真正退出
+  ipcMain.removeAllListeners('app:quitForce')
+  ipcMain.on('app:quitForce', () => {
+    forceQuit = true
+    if (quitGuardTimer) {
+      clearTimeout(quitGuardTimer)
+      quitGuardTimer = null
+    }
+    closeAllScreens()
+    if (!win.isDestroyed()) win.close()
+  })
+
   win.on('close', (e) => {
     if (forceQuit) return
     e.preventDefault()
-    const warn = dirty ? '当前工程有未保存的修改。\n\n' : ''
-    void dialog
-      .showMessageBox(win, {
-        type: 'warning',
-        title: '确认退出',
-        message: `${warn}确定要退出智慧农业大数据可视化控制中心吗？`,
-        buttons: ['退出', '取消'],
-        defaultId: 1,
-        cancelId: 1
-      })
-      .then((r) => {
-        if (r.response === 0) {
-          forceQuit = true
-          // 先关闭所有播放中的子页面（屏幕窗体/轮播/探测/主屏播放），再关闭主窗口
-          closeAllScreens()
-          win.close()
-        }
-      })
+    // 通知渲染层弹出倒计时确认框（由渲染层决定是否退出）
+    if (!win.isDestroyed()) win.webContents.send('app:requestQuit')
+    // 兜底：若渲染层在倒计时结束后仍未响应，则强制退出，避免卡死
+    if (quitGuardTimer) clearTimeout(quitGuardTimer)
+    quitGuardTimer = setTimeout(
+      () => {
+        forceQuit = true
+        closeAllScreens()
+        if (!win.isDestroyed()) win.close()
+      },
+      (QUIT_COUNTDOWN + 5) * 1000
+    )
   })
 }
diff --git a/SmartAgriCenter/src/main/settings.ts b/SmartAgriCenter/src/main/settings.ts
index 3f17735..4c5e7b7 100644
--- a/SmartAgriCenter/src/main/settings.ts
+++ b/SmartAgriCenter/src/main/settings.ts
@@ -25,16 +25,19 @@ export interface AppSettings {
   publish: PublishDefaults
   /** 上次打开/另存为工程的文件夹，用于记住上次位置 */
   lastDir: string
+  /** 上次打开/保存/另存为的工程文件完整路径，用于启动时自动恢复 */
+  lastProjectPath: string
 }
 
 const DEFAULTS: AppSettings = {
   projectName: '智慧农业大数据可视化控制中心',
-  projectVersion: '1.5.1',
+  projectVersion: '1.5.4',
   jsonPassword: '',
   keyThreshold: 350,
   keyLockKey: 'F9',
   publish: { mode: 'multi', screenIndex: 1, alsoMain: false, intervalSec: 10 },
-  lastDir: ''
+  lastDir: '',
+  lastProjectPath: ''
 }
 
 let cache: AppSettings | null = null
diff --git a/SmartAgriCenter/src/preload/index.d.ts b/SmartAgriCenter/src/preload/index.d.ts
index d44ff57..e04f262 100644
--- a/SmartAgriCenter/src/preload/index.d.ts
+++ b/SmartAgriCenter/src/preload/index.d.ts
@@ -107,6 +107,8 @@ export interface SmartAgriApi {
     save(path: string, data: string, password?: string): Promise<string | null>
     open(password?: string): Promise<{ path: string; json: ProjectJson | null; error?: string } | null>
     openAt(path: string, password?: string): Promise<{ path: string; json: ProjectJson | null; error?: string }>
+    /** 返回上次编辑的工程文件路径（启动自动恢复用），无则返回 null */
+    lastPath(): Promise<string | null>
   }
   settings: {
     get(): Promise<AppSettings>
@@ -119,6 +121,10 @@ export interface SmartAgriApi {
     info(): Promise<AppInfo>
     consumeLoad(): Promise<LoadPayload | null>
     onLoadProject(cb: (payload: LoadPayload) => void): () => void
+    /** 主进程拦截关闭时触发，渲染层应弹出倒计时确认框 */
+    onRequestQuit(cb: () => void): () => void
+    /** 倒计时结束或用户确认后，通知主进程强制退出 */
+    quitForce(): void
   }
   key: {
     onScreenKey(cb: (n: number) => void): () => void
diff --git a/SmartAgriCenter/src/preload/index.ts b/SmartAgriCenter/src/preload/index.ts
index 0aa9ce8..b37fa50 100644
--- a/SmartAgriCenter/src/preload/index.ts
+++ b/SmartAgriCenter/src/preload/index.ts
@@ -54,7 +54,8 @@ const api = {
     open: (password?: string): Promise<{ path: string; json: unknown | null; error?: string } | null> =>
       ipcRenderer.invoke('project:open', password),
     openAt: (path: string, password?: string): Promise<{ path: string; json: unknown | null; error?: string }> =>
-      ipcRenderer.invoke('project:openAt', { path, password })
+      ipcRenderer.invoke('project:openAt', { path, password }),
+    lastPath: (): Promise<string | null> => ipcRenderer.invoke('project:lastPath')
   },
   settings: {
     get: (): Promise<unknown> => ipcRenderer.invoke('settings:get'),
@@ -66,7 +67,9 @@ const api = {
   app: {
     info: (): Promise<unknown> => ipcRenderer.invoke('app:info'),
     consumeLoad: (): Promise<unknown> => ipcRenderer.invoke('app:consumeLoad'),
-    onLoadProject: (cb: (payload: unknown) => void): (() => void) => on('app:loadProject', cb)
+    onLoadProject: (cb: (payload: unknown) => void): (() => void) => on('app:loadProject', cb),
+    onRequestQuit: (cb: () => void): (() => void) => on('app:requestQuit', cb),
+    quitForce: (): void => ipcRenderer.send('app:quitForce')
   },
   key: {
     onScreenKey: (cb: (n: number) => void): (() => void) => on('key:switch', cb)
diff --git a/SmartAgriCenter/src/renderer/src/App.tsx b/SmartAgriCenter/src/renderer/src/App.tsx
index 0753c8f..facef3d 100644
--- a/SmartAgriCenter/src/renderer/src/App.tsx
+++ b/SmartAgriCenter/src/renderer/src/App.tsx
@@ -4,6 +4,7 @@ import Ribbon from './components/Ribbon'
 import StatusBar from './components/StatusBar'
 import Toast from './components/Toast'
 import { PasswordModal } from './components/PasswordModal'
+import { QuitConfirmModal } from './components/QuitConfirmModal'
 import EditView from './views/EditView'
 import ConfigView from './views/ConfigView'
 import { useStore } from './store'
@@ -16,6 +17,7 @@ export default function App(): React.JSX.Element {
   const view = useStore((s) => s.view)
   const pages = useStore((s) => s.pages)
   const [configMenu, setConfigMenu] = useState<ConfigMenu>('info')
+  const [quitOpen, setQuitOpen] = useState(false)
 
   // 监听屏幕状态变化
   useEffect(() => {
@@ -40,21 +42,35 @@ export default function App(): React.JSX.Element {
     )
   }, [pages])
 
-  // 启动：加载应用设置 + 消费/监听快捷方式打开的项目
+  // 启动：加载应用设置 + 消费/监听快捷方式打开的项目；无快捷方式工程时自动恢复上次编辑的工程
   useEffect(() => {
     const st = useStore.getState
-    void st().loadSettings()
     const handle = (p: unknown): void => {
       const lp = p as LoadPayload | null
       if (!lp?.json) return
       const mode = st().loadProject(lp)
       if (mode === 'publish') void applyPublishDefaults()
     }
-    void window.api.app.consumeLoad().then(handle)
+    void (async () => {
+      await st().loadSettings()
+      const lp = (await window.api.app.consumeLoad()) as LoadPayload | null
+      if (lp?.json) {
+        handle(lp)
+      } else {
+        // 无快捷方式指定工程时，默认加载最后一次编辑的工程
+        await st().loadLastProject()
+      }
+    })()
     const off = window.api.app.onLoadProject(handle)
     return off
   }, [])
 
+  // 主进程拦截关闭 → 弹出倒计时 / 保存确认框
+  useEffect(() => {
+    const off = window.api.app.onRequestQuit(() => setQuitOpen(true))
+    return off
+  }, [])
+
   // 主窗口数字键切换页面
   useEffect(() => {
     const h = (e: KeyboardEvent): void => {
@@ -86,6 +102,31 @@ export default function App(): React.JSX.Element {
       <StatusBar />
       <Toast />
       <PasswordModal />
+      {quitOpen && (
+        <QuitConfirmModal
+          seconds={10}
+          hasUnsaved={
+            useStore.getState().dirty ||
+            ((): boolean => {
+              const s = useStore.getState()
+              return !!s.settings &&
+                (s.settings.projectName !== s.savedInfo.projectName ||
+                  s.settings.projectVersion !== s.savedInfo.projectVersion ||
+                  s.settings.jsonPassword !== s.savedInfo.jsonPassword)
+            })()
+          }
+          onSaveQuit={async () => {
+            setQuitOpen(false)
+            await useStore.getState().save()
+            window.api.app.quitForce()
+          }}
+          onQuit={() => {
+            setQuitOpen(false)
+            window.api.app.quitForce()
+          }}
+          onCancel={() => setQuitOpen(false)}
+        />
+      )}
     </div>
   )
 }
diff --git a/SmartAgriCenter/src/renderer/src/components/QuitConfirmModal.tsx b/SmartAgriCenter/src/renderer/src/components/QuitConfirmModal.tsx
new file mode 100644
index 0000000..eab125b
--- /dev/null
+++ b/SmartAgriCenter/src/renderer/src/components/QuitConfirmModal.tsx
@@ -0,0 +1,82 @@
+import { useEffect, useState } from 'react'
+
+interface Props {
+  /** 倒计时秒数，无未保存变更到点自动退出 */
+  seconds: number
+  /** 是否存在未保存的修改（页面或项目信息），有则改为「是否保存」确认而非倒计时 */
+  hasUnsaved: boolean
+  /** 保存并退出（仅 hasUnsaved 时可用） */
+  onSaveQuit: () => void
+  /** 直接退出（放弃保存） */
+  onQuit: () => void
+  /** 取消退出 */
+  onCancel: () => void
+}
+
+/** 关闭主程序前的确认弹窗：
+ *  - 无未保存变更：倒计时归零自动退出
+ *  - 有未保存变更：提示是否保存后再退出 */
+export function QuitConfirmModal({ seconds, hasUnsaved, onSaveQuit, onQuit, onCancel }: Props): React.JSX.Element {
+  const [left, setLeft] = useState(seconds)
+
+  useEffect(() => {
+    if (hasUnsaved) return // 有变更时不自动倒计时退出，需用户决策
+    if (left <= 0) {
+      onQuit()
+      return
+    }
+    const t = setTimeout(() => setLeft((n) => n - 1), 1000)
+    return () => clearTimeout(t)
+  }, [hasUnsaved, left, onQuit])
+
+  const pct = Math.max(0, Math.min(100, (left / seconds) * 100))
+
+  return (
+    <div className="modal-overlay" role="dialog" aria-modal="true">
+      <div className="modal quit-modal">
+        <div className="modal-head">
+          <span className="modal-title">{hasUnsaved ? '保存更改' : '正在退出'}</span>
+        </div>
+        <div className="modal-body">
+          {hasUnsaved ? (
+            <p className="m-hint">项目有未保存的修改，是否先保存工程后再退出？</p>
+          ) : (
+            <>
+              <p className="m-hint">
+                客户端将在 <b className="quit-count">{left}</b> 秒后自动关闭。
+              </p>
+              <div className="quit-progress">
+                <div className="quit-progress-bar" style={{ width: `${pct}%` }} />
+              </div>
+              <p className="m-hint">如有未保存的修改，请先取消并保存工程。</p>
+            </>
+          )}
+        </div>
+        <div className="modal-foot">
+          {hasUnsaved ? (
+            <>
+              <button className="btn" onClick={onCancel}>
+                取消
+              </button>
+              <button className="btn" onClick={onQuit}>
+                不保存退出
+              </button>
+              <button className="btn primary" onClick={onSaveQuit}>
+                保存并退出
+              </button>
+            </>
+          ) : (
+            <>
+              <button className="btn" onClick={onCancel}>
+                取消
+              </button>
+              <button className="btn primary" onClick={onQuit}>
+                立即退出
+              </button>
+            </>
+          )}
+        </div>
+      </div>
+    </div>
+  )
+}
diff --git a/SmartAgriCenter/src/renderer/src/components/config/AboutPanel.tsx b/SmartAgriCenter/src/renderer/src/components/config/AboutPanel.tsx
index e326d8c..4754967 100644
--- a/SmartAgriCenter/src/renderer/src/components/config/AboutPanel.tsx
+++ b/SmartAgriCenter/src/renderer/src/components/config/AboutPanel.tsx
@@ -16,7 +16,7 @@ export default function AboutPanel(): React.JSX.Element {
         <div className="about-logo">🌾</div>
         <div className="about-title">{settings?.projectName ?? '智慧农业大数据可视化控制中心'}</div>
         <div className="about-ver">
-          Version {settings?.projectVersion ?? '1.5.1'}
+          Version {settings?.projectVersion ?? '1.5.4'}
           {info?.appVersion ? ` · 安装包 ${info.appVersion}` : ''}
         </div>
         <p className="about-desc">
diff --git a/SmartAgriCenter/src/renderer/src/components/config/ProjectInfo.tsx b/SmartAgriCenter/src/renderer/src/components/config/ProjectInfo.tsx
index fa431e0..89d81b4 100644
--- a/SmartAgriCenter/src/renderer/src/components/config/ProjectInfo.tsx
+++ b/SmartAgriCenter/src/renderer/src/components/config/ProjectInfo.tsx
@@ -1,4 +1,4 @@
-import { useEffect, useRef, useState } from 'react'
+import { useEffect, useState } from 'react'
 import { useStore } from '../../store'
 import { toast } from '../../toast'
 import { nextMinor } from '../../utils'
@@ -8,7 +8,13 @@ export default function ProjectInfo(): React.JSX.Element {
   const pages = useStore((s) => s.pages)
   const screens = useStore((s) => s.screens)
   const filePath = useStore((s) => s.filePath)
-  const opening = useStore((s) => s.opening)
+  const infoDirty = useStore((s) =>
+    s.settings
+      ? s.settings.projectName !== s.savedInfo.projectName ||
+        s.settings.projectVersion !== s.savedInfo.projectVersion ||
+        s.settings.jsonPassword !== s.savedInfo.jsonPassword
+      : false
+  )
   const st = useStore.getState
 
   const [name, setName] = useState(settings?.projectName ?? '')
@@ -16,20 +22,26 @@ export default function ProjectInfo(): React.JSX.Element {
   const [pwd, setPwd] = useState(settings?.jsonPassword ?? '')
   const [showPwd, setShowPwd] = useState(false)
 
-  // 设置异步加载完成后同步一次
-  const synced = useRef(false)
+  // 跟随设置变化同步字段（新建/打开工程初始化项目信息时立即刷新）
   useEffect(() => {
-    if (settings && !synced.current) {
-      synced.current = true
-      setName(settings.projectName)
-      setVer(settings.projectVersion)
-      setPwd(settings.jsonPassword)
-    }
+    if (!settings) return
+    setName(settings.projectName)
+    setVer(settings.projectVersion)
+    setPwd(settings.jsonPassword)
   }, [settings])
 
-  const save = async (): Promise<void> => {
-    await st().updateSettings({ projectName: name.trim() || '智慧农业大数据可视化控制中心', projectVersion: ver.trim() || '1.5.1', jsonPassword: pwd })
-    toast('项目信息与 JSON 密码已保存', 'ok')
+  // 项目信息实时同步到设置（关闭系统时会提示是否保存）
+  const syncName = (v: string): void => {
+    setName(v)
+    void st().updateSettings({ projectName: v.trim() || '新建大数据可视化工程' })
+  }
+  const syncVer = (v: string): void => {
+    setVer(v)
+    void st().updateSettings({ projectVersion: v.trim() || '1.0.0' })
+  }
+  const syncPwd = (v: string): void => {
+    setPwd(v)
+    void st().updateSettings({ jsonPassword: v })
   }
 
   const copyPath = async (): Promise<void> => {
@@ -43,7 +55,7 @@ export default function ProjectInfo(): React.JSX.Element {
   }
 
   const bumpMinor = async (): Promise<void> => {
-    const nv = nextMinor(ver || '1.5.1')
+    const nv = nextMinor(ver || '1.0.0')
     setVer(nv)
     await st().updateSettings({ projectVersion: nv })
     toast('次版本 +1 → ' + nv, 'ok')
@@ -56,12 +68,12 @@ export default function ProjectInfo(): React.JSX.Element {
         <div className="cfg-card-body">
           <div className="cfg-field">
             <label>项目名称</label>
-            <input className="cfg-input" value={name} onChange={(e) => setName(e.target.value)} placeholder="例如：智慧农业大数据可视化控制中心" />
+            <input className="cfg-input" value={name} onChange={(e) => syncName(e.target.value)} placeholder="例如：智慧农业大数据可视化控制中心" />
           </div>
           <div className="cfg-field">
             <label>版本号</label>
             <div className="cfg-ver">
-              <input className="cfg-input" value={ver} onChange={(e) => setVer(e.target.value)} placeholder="例如：1.5.1" />
+              <input className="cfg-input" value={ver} onChange={(e) => syncVer(e.target.value)} placeholder="例如：1.0.0" />
               <button className="btn" title="次版本编号 +1（1.5.1 → 0.3.0）" onClick={() => void bumpMinor()}>
                 +1
               </button>
@@ -84,7 +96,7 @@ export default function ProjectInfo(): React.JSX.Element {
                 className="cfg-input"
                 type={showPwd ? 'text' : 'password'}
                 value={pwd}
-                onChange={(e) => setPwd(e.target.value)}
+                onChange={(e) => syncPwd(e.target.value)}
                 placeholder="留空则不加密"
               />
               <button className="btn" onClick={() => setShowPwd(!showPwd)}>
@@ -121,20 +133,7 @@ export default function ProjectInfo(): React.JSX.Element {
             <span className="cfg-row-label">屏幕数量</span>
             <span className="cfg-row-value">{screens.length > 0 ? screens.length : '未检测'}</span>
           </div>
-          <div className="pub-actions">
-            <button className="btn primary" onClick={() => void save()}>
-              💾 保存配置
-            </button>
-            <button className="btn" disabled={opening} onClick={() => void st().open()}>
-              {opening ? '⏳ 打开中…' : '📂 打开工程'}
-            </button>
-            <button className="btn" onClick={() => void st().save()}>
-              💾 保存工程
-            </button>
-            <button className="btn" onClick={() => void st().saveAs()}>
-              📤 另存为
-            </button>
-          </div>
+          {infoDirty && <p className="cfg-tip info-dirty">项目信息已修改，关闭系统时将提示是否保存。</p>}
         </div>
       </div>
     </div>
diff --git a/SmartAgriCenter/src/renderer/src/store.ts b/SmartAgriCenter/src/renderer/src/store.ts
index b5ab9f4..261f095 100644
--- a/SmartAgriCenter/src/renderer/src/store.ts
+++ b/SmartAgriCenter/src/renderer/src/store.ts
@@ -13,6 +13,8 @@ interface AppState {
   screens: ScreenInfo[]
   zoom: number
   settings: AppSettings | null
+  /** 上次「保存/打开/新建工程」时的项目信息快照，用于派生项目信息是否已变更 */
+  savedInfo: { projectName: string; projectVersion: string; jsonPassword: string }
   /** 工程文件操作进行中（打开/另存等），用于防抖防重入 */
   opening: boolean
   /** 编辑区预览 webview 引用（用于截图捕获实际预览内容） */
@@ -33,6 +35,8 @@ interface AppState {
   setZoom: (z: number) => void
   loadSettings: () => Promise<AppSettings>
   updateSettings: (patch: Partial<AppSettings>) => Promise<AppSettings>
+  /** 启动时自动恢复上次编辑的工程（无则保留示例工程） */
+  loadLastProject: () => Promise<void>
   newProject: () => void
   loadProject: (payload: LoadPayload) => 'edit' | 'publish'
   save: () => Promise<void>
@@ -57,10 +61,25 @@ function blankPage(pages: Page[], id: string, title: string): Page {
   }
 }
 
-/** 应用工程 JSON 到编辑状态 */
-function applyProject(get: () => AppState, set: (p: Partial<AppState>) => void, path: string, json: ProjectJson): void {
+/** 应用工程 JSON 到编辑状态（页面 + 项目信息随工程一起载入配置页） */
+async function applyProject(get: () => AppState, set: (p: Partial<AppState>) => void, path: string, json: ProjectJson): Promise<void> {
   const pages = jsonToPages(json)
-  set({ pages, curIdx: 0, filePath: path, dirty: false })
+  // 项目信息从工程文件读取，写入 settings，使配置页显示该项目的信息
+  const cur = get().settings
+  const projectName = json.projectInfo?.projectName ?? json.appName ?? cur?.projectName ?? '新建大数据可视化工程'
+  const projectVersion = json.projectInfo?.projectVersion ?? json.version ?? cur?.projectVersion ?? '1.0.0'
+  let nextSettings = cur
+  if (cur && (cur.projectName !== projectName || cur.projectVersion !== projectVersion)) {
+    nextSettings = await get().updateSettings({ projectName, projectVersion })
+  }
+  set({
+    pages,
+    curIdx: 0,
+    filePath: path,
+    dirty: false,
+    settings: nextSettings,
+    savedInfo: { projectName, projectVersion, jsonPassword: nextSettings?.jsonPassword ?? cur?.jsonPassword ?? '' }
+  })
   try {
     window.api.syncProject(pages.map((p) => ({ ctrl: p.ctrl, title: p.title, url: pageSrc(p) })))
   } catch {
@@ -81,6 +100,7 @@ export const useStore = create<AppState>((set, get) => {
     screens: [],
     zoom: 100,
     settings: null,
+    savedInfo: { projectName: '', projectVersion: '', jsonPassword: '' },
     previewWv: null,
     opening: false,
 
@@ -234,18 +254,33 @@ export const useStore = create<AppState>((set, get) => {
         params: ''
       }
       set({ pages: [blank], curIdx: 0, filePath: null, dirty: true })
+      // 初始化配置页「项目信息」的全部字段：项目名称 / 版本号 / JSON 密码恢复默认
+      void get()
+        .updateSettings({ projectName: '新建大数据可视化工程', projectVersion: '1.0.0', jsonPassword: '' })
+        .then((s) =>
+          set({
+            savedInfo: { projectName: s.projectName, projectVersion: s.projectVersion, jsonPassword: s.jsonPassword }
+          })
+        )
       toast('已新建工程（默认 1 个空白页面），保存时请选择位置', 'ok')
     },
     loadProject: (payload) => {
-      if (payload?.json) applyProject(get, set, payload.path, payload.json)
+      if (payload?.json) void applyProject(get, set, payload.path, payload.json)
       return payload?.mode ?? 'edit'
     },
 
     save: async () => {
       const { filePath, pages, settings } = get()
       // 每保存一次，修订号 +1
-      const newVer = nextPatch(settings?.projectVersion || '1.5.1')
-      const meta = { appName: settings?.projectName, version: newVer }
+      const newVer = nextPatch(settings?.projectVersion || '1.5.4')
+      const meta = {
+        appName: settings?.projectName ?? '新建大数据可视化工程',
+        version: newVer,
+        projectInfo: {
+          projectName: settings?.projectName ?? '新建大数据可视化工程',
+          projectVersion: newVer
+        }
+      }
       const data = JSON.stringify(pagesToJson(pages, meta), null, 2)
       const pwd = settings?.jsonPassword || undefined
       try {
@@ -253,14 +288,31 @@ export const useStore = create<AppState>((set, get) => {
           const r = await window.api.project.save(filePath, data, pwd)
           if (r) {
             await get().updateSettings({ projectVersion: newVer })
-            set({ dirty: false })
+            const s = get().settings
+            set({
+              dirty: false,
+              savedInfo: {
+                projectName: s?.projectName ?? meta.projectInfo.projectName,
+                projectVersion: s?.projectVersion ?? newVer,
+                jsonPassword: s?.jsonPassword ?? ''
+              }
+            })
             toast('工程已保存 · 修订号 v' + newVer, 'ok')
           }
         } else {
           const path = await window.api.project.saveAs(data, pwd)
           if (path) {
             await get().updateSettings({ projectVersion: newVer })
-            set({ filePath: path, dirty: false })
+            const s = get().settings
+            set({
+              filePath: path,
+              dirty: false,
+              savedInfo: {
+                projectName: s?.projectName ?? meta.projectInfo.projectName,
+                projectVersion: s?.projectVersion ?? newVer,
+                jsonPassword: s?.jsonPassword ?? ''
+              }
+            })
             toast('工程已保存为 ' + path.split(/[\\/]/).pop() + ' · 修订号 v' + newVer, 'ok')
           }
         }
@@ -270,13 +322,29 @@ export const useStore = create<AppState>((set, get) => {
     },
     saveAs: async () => {
       const { pages, settings } = get()
-      const meta = { appName: settings?.projectName, version: settings?.projectVersion }
+      const meta = {
+        appName: settings?.projectName ?? '新建大数据可视化工程',
+        version: settings?.projectVersion ?? '1.0.0',
+        projectInfo: {
+          projectName: settings?.projectName ?? '新建大数据可视化工程',
+          projectVersion: settings?.projectVersion ?? '1.0.0'
+        }
+      }
       const data = JSON.stringify(pagesToJson(pages, meta), null, 2)
       const pwd = settings?.jsonPassword || undefined
       try {
         const path = await window.api.project.saveAs(data, pwd)
         if (path) {
-          set({ filePath: path, dirty: false })
+          const s = get().settings
+          set({
+            filePath: path,
+            dirty: false,
+            savedInfo: {
+              projectName: s?.projectName ?? meta.projectInfo.projectName,
+              projectVersion: s?.projectVersion ?? meta.projectInfo.projectVersion,
+              jsonPassword: s?.jsonPassword ?? ''
+            }
+          })
           toast('工程已另存为', 'ok')
         }
       } catch (err) {
@@ -291,7 +359,7 @@ export const useStore = create<AppState>((set, get) => {
         let r = await window.api.project.open(settings.jsonPassword || undefined)
         if (!r) return
         if (r.json) {
-          applyProject(get, set, r.path, r.json)
+          await applyProject(get, set, r.path, r.json)
           return
         }
         if (r.error === '密码错误') {
@@ -299,7 +367,7 @@ export const useStore = create<AppState>((set, get) => {
           if (!pwd) return
           r = await window.api.project.openAt(r.path, pwd)
           if (r?.json) {
-            applyProject(get, set, r.path, r.json)
+            await applyProject(get, set, r.path, r.json)
             // 密码正确后记忆到设置，后续打开免输入
             void get().updateSettings({ jsonPassword: pwd })
           } else {
@@ -314,6 +382,26 @@ export const useStore = create<AppState>((set, get) => {
         set({ opening: false })
       }
     },
-    markSaved: () => set({ dirty: false })
+    markSaved: () => set({ dirty: false }),
+
+    loadLastProject: async () => {
+      try {
+        const path = await window.api.project.lastPath()
+        if (!path) return
+        const pwd = get().settings?.jsonPassword || undefined
+        const r = await window.api.project.openAt(path, pwd)
+        if (r?.json) {
+          await applyProject(get, set, r.path, r.json)
+        } else if (r?.error === '密码错误') {
+          toast('上次编辑的工程需要密码，本次加载空白工程（可在“项目/打开”中手动打开）', 'warn')
+        } else {
+          toast('上次编辑的工程文件不可用，已加载空白工程', 'warn')
+          // 记录失效路径，避免每次启动都提示
+          void get().updateSettings({ lastProjectPath: '' })
+        }
+      } catch {
+        /* 静默：加载失败时保留空白工程 */
+      }
+    }
   }
 })
diff --git a/SmartAgriCenter/src/renderer/src/styles/global.css b/SmartAgriCenter/src/renderer/src/styles/global.css
index e5050a3..8f4d5f5 100644
--- a/SmartAgriCenter/src/renderer/src/styles/global.css
+++ b/SmartAgriCenter/src/renderer/src/styles/global.css
@@ -980,6 +980,33 @@ select {
   font-size: 12px;
   padding: 20px 0;
 }
+
+/* ============ 关闭倒计时弹窗 ============ */
+.quit-modal {
+  width: 360px;
+}
+.quit-count {
+  color: var(--c-accent);
+  font-size: 16px;
+  font-weight: 700;
+}
+.quit-progress {
+  height: 8px;
+  border-radius: 6px;
+  background: rgba(0, 0, 0, 0.08);
+  overflow: hidden;
+}
+.quit-progress-bar {
+  height: 100%;
+  background: linear-gradient(90deg, var(--c-accent), var(--c-primary-strong));
+  border-radius: 6px;
+  transition: width 1s linear;
+}
+
+.info-dirty {
+  color: var(--c-accent);
+  font-weight: 600;
+}
 .m-screen-list {
   display: flex;
   flex-direction: column;
diff --git a/SmartAgriCenter/src/renderer/src/types.ts b/SmartAgriCenter/src/renderer/src/types.ts
index 424ec86..2273cee 100644
--- a/SmartAgriCenter/src/renderer/src/types.ts
+++ b/SmartAgriCenter/src/renderer/src/types.ts
@@ -40,9 +40,16 @@ export interface PageFile {
   PagePreview?: string
 }
 
+export interface ProjectInfo {
+  projectName: string
+  projectVersion: string
+}
+
 export interface ProjectJson {
   appName?: string
   version?: string
+  /** 项目信息（名称/版本），与工程文件关联，打开时载入、保存时写回 */
+  projectInfo?: ProjectInfo
   pages?: PageFile[]
 }
 
@@ -64,6 +71,8 @@ export interface AppSettings {
   publish: PublishDefaults
   /** 上次打开/另存为工程的文件夹（主进程记忆） */
   lastDir?: string
+  /** 上次打开/保存/另存为的工程文件完整路径（启动时自动恢复） */
+  lastProjectPath?: string
 }
 
 export interface LoadPayload {
diff --git a/SmartAgriCenter/src/renderer/src/utils.ts b/SmartAgriCenter/src/renderer/src/utils.ts
index be991c8..795aa39 100644
--- a/SmartAgriCenter/src/renderer/src/utils.ts
+++ b/SmartAgriCenter/src/renderer/src/utils.ts
@@ -43,10 +43,15 @@ export function pageSrc(p: Page): string {
   }
 }
 
-export function pagesToJson(pages: Page[], meta?: { appName?: string; version?: string }): ProjectJson {
+export function pagesToJson(
+  pages: Page[],
+  meta: { appName: string; version: string; projectInfo: { projectName: string; projectVersion: string } }
+): ProjectJson {
   return {
-    appName: meta?.appName || '智慧农业大数据可视化控制中心',
-    version: meta?.version || '1.5.1',
+    appName: meta.appName,
+    version: meta.version,
+    // 项目信息随工程文件一起保存，打开时据此还原
+    projectInfo: { projectName: meta.projectInfo.projectName, projectVersion: meta.projectInfo.projectVersion },
     pages: pages.map((p) => ({
       PageID: p.id,
       PageTitle: p.title,
@@ -84,20 +89,20 @@ export function nextMajor(v: string): string {
   return String(Number(m[1]) + 1) + m[2]
 }
 
-/** 版本号：次版本 +1（1.5.1 → 0.3.0，1 → 1.1.0），非数字开头回退 '1.5.1' */
+/** 版本号：次版本 +1（1.5.1 → 0.3.0，1 → 1.1.0），非数字开头回退 '1.5.4' */
 export function nextMinor(v: string): string {
   const m = v.trim().match(/^(\d+)(?:\.(\d+))?(?:\.(\d+))?/)
-  if (!m) return '1.5.1'
+  if (!m) return '1.5.4'
   const major = m[1]
   const minor = m[2] ?? '0'
   const patch = m[3] ?? '0'
   return `${major}.${Number(minor) + 1}.${patch}`
 }
 
-/** 版本号：修订号 +1（1.5.1 → 0.2.1，0.2 → 0.2.1，1 → 1.0.1），非数字开头回退 '1.5.1' */
+/** 版本号：修订号 +1（1.5.1 → 0.2.1，0.2 → 0.2.1，1 → 1.0.1），非数字开头回退 '1.5.4' */
 export function nextPatch(v: string): string {
   const m = v.trim().match(/^(\d+)(?:\.(\d+))?(?:\.(\d+))?/)
-  if (!m) return '1.5.1'
+  if (!m) return '1.5.4'
   const major = m[1]
   const minor = m[2] ?? '0'
   const patch = m[3] ?? '0'
@@ -105,10 +110,8 @@ export function nextPatch(v: string): string {
 }
 
 export function defaultPages(): Page[] {
+  // 默认空白工程：不预置示例页面，首次启动 / 无上次工程记录时显示此空白工程
   return [
-    { id: 'P-001', title: '农业数据总览', desc: '全基地农业数据总览', screen: 1, ctrl: 1, display: true, url: 'sample-screen.html', params: 'no=1\ntitle=农业数据总览' },
-    { id: 'P-002', title: '土壤墒情监测', desc: '土壤湿度与墒情分析', screen: 2, ctrl: 2, display: true, url: 'sample-screen.html', params: 'no=2\ntitle=土壤墒情监测' },
-    { id: 'P-003', title: '温室环境监控', desc: '温室内环境参数实时监控', screen: 3, ctrl: 3, display: true, url: 'sample-screen.html', params: 'no=3\ntitle=温室环境监控' },
-    { id: 'P-004', title: '设备运维看板', desc: '灌溉设备运维状态', screen: 1, ctrl: 4, display: true, url: 'sample-screen.html', params: 'no=4\ntitle=设备运维看板' }
+    { id: 'P-001', title: '空白页面', desc: '', screen: 1, ctrl: 0, display: true, url: 'about:blank', params: '' }
   ]
 }
diff --git a/SmartAgriCenter/智慧农业大数据可视化控制中心(1.3.2).json b/SmartAgriCenter/会东智慧蚕桑大数据中心_控制中心(1.3.2).json
similarity index 100%
rename from SmartAgriCenter/智慧农业大数据可视化控制中心(1.3.2).json
rename to SmartAgriCenter/会东智慧蚕桑大数据中心_控制中心(1.3.2).json