diff --git a/electron/main.js b/electron/main.js
index 8cc49f2..17703ef 100644
--- a/electron/main.js
+++ b/electron/main.js
@@ -372,6 +372,14 @@ app.whenReady().then(() => {
     app.relaunch();
     app.exit(0);
   });
+  ipcMain.on("quit-app", () => {
+    try {
+      app.quit();
+    } catch (err) {
+      // 最后手段：强制退出
+      app.exit(0);
+    }
+  });
 
   app.on("activate", () => {
     if (BrowserWindow.getAllWindows().length === 0) {
diff --git a/electron/preload.js b/electron/preload.js
index ee1b5ab..40a3353 100644
--- a/electron/preload.js
+++ b/electron/preload.js
@@ -20,4 +20,5 @@ contextBridge.exposeInMainWorld("electronAPI", {
     ipcRenderer.removeAllListeners("idcard-error");
   },
   restartApp: () => ipcRenderer.send("restart-app"),
+  quitApp: () => ipcRenderer.send("quit-app"),
 });
diff --git a/src/App.tsx b/src/App.tsx
index 2be3291..f8196bd 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -39,7 +39,8 @@ function App() {
 
   const handleTouchStart = () => {
     restartTimerRef.current = window.setTimeout(() => {
-      window.electronAPI.restartApp();
+      // 长按 5 秒改为关闭应用
+      window.electronAPI.quitApp();
     }, 5000);
   };
 
diff --git a/src/electron.d.ts b/src/electron.d.ts
index 27ae0d3..ec3a779 100644
--- a/src/electron.d.ts
+++ b/src/electron.d.ts
@@ -28,6 +28,7 @@ interface ElectronAPI {
   log: (level: string, message: any) => void;
   removeIdCardListeners: () => void;
   restartApp: () => void;
+  quitApp: () => void;
 }
 
 interface Window {