diff --git a/src/main/index.ts b/src/main/index.ts
index c25cd27..b8e4d45 100644
--- a/src/main/index.ts
+++ b/src/main/index.ts
@@ -8,6 +8,7 @@ import Constants from './utils/Constants';
 
 let mainWindow;
 let errorWindow;
+let autoUpdater: AutoUpdater | null = null;
 
 const initializeMainLogger = () => {
   log.initialize({
diff --git a/src/renderer/App.vue b/src/renderer/App.vue
index 5c80630..78e0aaf 100644
--- a/src/renderer/App.vue
+++ b/src/renderer/App.vue
@@ -55,7 +55,8 @@ const checkForUpdates = async () => {
 
     if (result.updateAvailable) {
       // 发现新版本，显示更新提示
-      appStore.setUpdateStatus('available', result.currentVersion);
+      appStore.setUpdateStatus('available', result.currentVersion, undefined, result.updateInfo);
+      console.log('发现新版本:', result.updateInfo);
     } else {
       // 当前已是最新版本
       appStore.setUpdateStatus('not-available', result.currentVersion);
diff --git a/src/renderer/components/UpdateDialog.vue b/src/renderer/components/UpdateDialog.vue
index 6586295..3135f2d 100644
--- a/src/renderer/components/UpdateDialog.vue
+++ b/src/renderer/components/UpdateDialog.vue
@@ -20,7 +20,7 @@ const dialogVisible = computed({
       || (updateStatus.value.status === 'error' && !!updateStatus.value.error);
   },
   set: (value: boolean) => {
-    if (value) {
+    if (!value) {
       appStore.showUpdateDialog();
     } else {
       appStore.hideUpdateDialog();
@@ -29,8 +29,8 @@ const dialogVisible = computed({
 });
 
 const latestVersion = computed(() => {
-  // 这里应该从API获取最新版本号，暂时使用固定值
-  return `v${(updateStatus.value.currentVersion || '1.0.0').replace(/^v?/, '').split('.').map((n, i) =>
+  // 优先使用更新信息中的版本号
+  return updateStatus.value.updateInfo?.version || `v${(updateStatus.value.currentVersion || '1.0.0').replace(/^v?/, '').split('.').map((n, i) =>
     i === 2 ? (Number.parseInt(n) + 1).toString() : n,
   ).join('.')}`;
 });
diff --git a/src/renderer/plugins/i18n.ts b/src/renderer/plugins/i18n.ts
index 2f8d3c1..49fd628 100644
--- a/src/renderer/plugins/i18n.ts
+++ b/src/renderer/plugins/i18n.ts
@@ -13,8 +13,8 @@ import zhHant from '@/renderer/locales/zh-hant.json';
 import { getCurrentLocale } from '@/renderer/utils';
 
 export default createI18n({
-  locale: getCurrentLocale(),
-  fallbackLocale: 'en',
+  locale: 'zhHans',
+  fallbackLocale: 'zhHans',
   globalInjection: true,
   messages: {
     en,
diff --git a/src/renderer/store/app.ts b/src/renderer/store/app.ts
index c4516b2..162a6d2 100644
--- a/src/renderer/store/app.ts
+++ b/src/renderer/store/app.ts
@@ -3,6 +3,11 @@ import { defineStore } from 'pinia';
 export interface UpdateStatus {
   status: 'idle' | 'checking' | 'available' | 'not-available' | 'downloading' | 'downloaded' | 'error';
   currentVersion?: string;
+  updateInfo?: {
+    version: string;
+    releaseName: string;
+    releaseNotes: string;
+  };
   error?: string;
   progress?: number;
 }
@@ -23,8 +28,8 @@ export const useAppStore = defineStore('app', {
   },
 
   actions: {
-    setUpdateStatus(status: UpdateStatus['status'], currentVersion?: string, error?: string) {
-      this.updateStatus = { status, currentVersion, error };
+    setUpdateStatus(status: UpdateStatus['status'], currentVersion?: string, error?: string, updateInfo?: UpdateStatus['updateInfo']) {
+      this.updateStatus = { status, currentVersion, error, updateInfo };
     },
 
     showUpdateDialog() {