diff --git a/frontend/vite.config.js b/frontend/vite.config.js
index a2b9451..6d12a05 100644
--- a/frontend/vite.config.js
+++ b/frontend/vite.config.js
@@ -22,28 +22,30 @@ function getVersion() {
 const APP_VERSION = getVersion()
 console.log('📦 构建版本：v' + APP_VERSION)
 
-// 构建时自动更新 index.html 的 title
+// 构建后执行 - 更新 dist/index.html 的 title
 function updateHtmlTitle() {
-  try {
-    const htmlPath = join(__dirname, 'index.html')
-    let htmlContent = readFileSync(htmlPath, 'utf-8')
-    // 替换 <title>甲辰收藏 vXXX</title>
-    htmlContent = htmlContent.replace(
-      /<title>甲辰收藏 v[\d.]+<\/title>/,
-      '<title>甲辰收藏 v' + APP_VERSION + '</title>'
-    )
-    writeFileSync(htmlPath, htmlContent, 'utf-8')
-    console.log('✅ 已更新 index.html title: 甲辰收藏 v' + APP_VERSION)
-  } catch (e) {
-    console.error('更新 index.html 失败:', e.message)
+  return {
+    name: 'update-html-title',
+    closeBundle() {
+      try {
+        const htmlPath = join(__dirname, 'dist', 'index.html')
+        let htmlContent = readFileSync(htmlPath, 'utf-8')
+        // 替换 <title>甲辰收藏 vXXX</title>
+        htmlContent = htmlContent.replace(
+          /<title>甲辰收藏 v[\d.]+<\/title>/,
+          '<title>甲辰收藏 v' + APP_VERSION + '</title>'
+        )
+        writeFileSync(htmlPath, htmlContent, 'utf-8')
+        console.log('✅ 已更新 dist/index.html title: 甲辰收藏 v' + APP_VERSION)
+      } catch (e) {
+        console.error('更新 dist/index.html 失败:', e.message)
+      }
+    }
   }
 }
 
-// 构建前执行
-updateHtmlTitle()
-
 export default defineConfig({
-  plugins: [react()],
+  plugins: [react(), updateHtmlTitle()],
   define: {
     'import.meta.env.APP_VERSION': JSON.stringify(APP_VERSION)
   },