diff --git a/CLAUDE.md b/CLAUDE.md
index fd7054e..87cb544 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -10,8 +10,6 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co
 npm run dev              # Start development server with hot reload
 npm run build            # Full build with type checking
 npm run build:win        # Build Windows executable
-npm run build:mac        # Build macOS DMG
-npm run build:linux      # Build Linux AppImage
 ```
 
 ### Code Quality
diff --git a/electron-builder.yml b/electron-builder.yml
index 98bc229..fc5ef83 100644
--- a/electron-builder.yml
+++ b/electron-builder.yml
@@ -27,7 +27,7 @@ win:
     - nsis
     - portable
 portable:
-  artifactName: ${name}-${version}-portable.${ext}
+  artifactName: ${name}-portable.${ext}
   # Portable app uses user data directory (AppData), not exe directory
   # This ensures config persists across app updates
 nsis:
diff --git a/electron.vite.config.ts b/electron.vite.config.ts
index 80304cd..b3dfb1e 100644
--- a/electron.vite.config.ts
+++ b/electron.vite.config.ts
@@ -2,11 +2,29 @@ import { resolve } from 'path'
 import { defineConfig } from 'electron-vite'
 import react from '@vitejs/plugin-react'
 import tailwindcss from '@tailwindcss/vite'
+import { execSync } from 'child_process'
+
+// Get git hash (first 7 characters)
+const getGitHash = (): string => {
+  try {
+    return execSync('git rev-parse --short=7 HEAD', { encoding: 'utf-8' }).trim()
+  } catch {
+    return 'unknown'
+  }
+}
+
+// Get version from package.json
+const version = require('./package.json').version
+const gitHash = getGitHash()
 
 export default defineConfig({
   main: {},
   preload: {},
   renderer: {
+    define: {
+      __APP_VERSION__: JSON.stringify(version),
+      __GIT_HASH__: JSON.stringify(gitHash)
+    },
     resolve: {
       alias: {
         '@renderer': resolve('src/renderer/src')
diff --git a/src/renderer/src/App.tsx b/src/renderer/src/App.tsx
index b2beaf1..63bbeb6 100644
--- a/src/renderer/src/App.tsx
+++ b/src/renderer/src/App.tsx
@@ -332,12 +332,17 @@ function App(): React.JSX.Element {
           </div>
 
           <div
-            className="flex items-center gap-2 text-white font-bold text-lg cursor-pointer"
+            className="flex flex-col cursor-pointer"
             onClick={() => setCurrentPage('home')}
             style={{ WebkitAppRegion: 'no-drag' } as any}
           >
-            <LayoutDashboard size={22} className="text-blue-500" />
-            <span>ERP Auto</span>
+            <div className="flex items-center gap-2 text-white font-bold text-lg">
+              <LayoutDashboard size={22} className="text-blue-500" />
+              <span>ERP Auto</span>
+            </div>
+            <span className="text-xs text-slate-400 ml-7">
+              {__APP_VERSION__}({__GIT_HASH__})
+            </span>
           </div>
         </div>
 
diff --git a/src/renderer/src/env.d.ts b/src/renderer/src/env.d.ts
index 11f02fe..1bd8bea 100644
--- a/src/renderer/src/env.d.ts
+++ b/src/renderer/src/env.d.ts
@@ -1 +1,4 @@
 /// <reference types="vite/client" />
+
+declare const __APP_VERSION__: string
+declare const __GIT_HASH__: string