diff --git a/src/components/home/ChangelogModal.vue b/src/components/home/ChangelogModal.vue
index 10404fbe..da33ccd1 100644
--- a/src/components/home/ChangelogModal.vue
+++ b/src/components/home/ChangelogModal.vue
@@ -36,6 +36,8 @@ const hoveredVersion = ref<string | null>(null)
 const currentAppVersion = ref<string | null>(null)
 
 const CHANGELOG_READ_KEY = 'chatlab_changelog_read_version'
+const CHANGELOG_AUTO_OPEN_DISABLED_KEY = 'chatlab_changelog_auto_open_disabled'
+const autoOpenDisabled = ref(false)
 
 // summary 的白名单配置（可按需扩展）
 const SUMMARY_SANITIZE_OPTIONS = {
@@ -132,6 +134,8 @@ function markVersionAsRead(version: string) {
 // 检查是否需要显示新版本日志（冷启动时自动检查）
 async function checkNewVersion() {
   try {
+    if (localStorage.getItem(CHANGELOG_AUTO_OPEN_DISABLED_KEY) === '1') return
+
     // 1. 获取当前软件版本号
     const rawVersion = await usePlatformService().getVersion()
     const currentVersion = normalizeChangelogVersion(rawVersion)
@@ -188,6 +192,7 @@ async function checkNewVersion() {
 
 // 手动打开弹窗（用户点击时调用），会自动获取数据
 async function open() {
+  autoOpenDisabled.value = localStorage.getItem(CHANGELOG_AUTO_OPEN_DISABLED_KEY) === '1'
   // 手动打开也标记当前版本，避免标签缺失
   try {
     currentAppVersion.value = normalizeChangelogVersion(await usePlatformService().getVersion())
@@ -204,6 +209,7 @@ async function open() {
 
 // 使用预设数据打开弹窗（自动检查新版本时调用）
 function openWithData(data: ChangelogItem[], appVersion?: string) {
+  autoOpenDisabled.value = localStorage.getItem(CHANGELOG_AUTO_OPEN_DISABLED_KEY) === '1'
   changelogs.value = data
   currentAppVersion.value = appVersion || null
   expandedState.value.clear() // 重置展开状态
@@ -214,6 +220,12 @@ function close() {
   showModal.value = false
 }
 
+function disableAutomaticOpen() {
+  localStorage.setItem(CHANGELOG_AUTO_OPEN_DISABLED_KEY, '1')
+  autoOpenDisabled.value = true
+  close()
+}
+
 // 获取最新版本号（供外部使用）
 function getLatestVersion() {
   return changelogs.value[0]?.version || null
@@ -379,14 +391,19 @@ defineExpose({ open, openWithData, close, fetchChangelogs, getLatestVersion, che
 
         <!-- Footer -->
         <div class="border-t border-gray-200 px-6 py-4 dark:border-gray-700">
-          <div class="flex items-center justify-between">
+          <div class="flex flex-col gap-3 sm:flex-row sm:items-center sm:justify-between">
             <p v-if="changelogs.length > 0" class="text-sm text-gray-500 dark:text-gray-400">
               {{ t('home.changelog.total', { count: changelogs.length }) }}
             </p>
             <span v-else />
-            <UButton color="primary" variant="soft" @click="close">
-              {{ t('home.changelog.close') }}
-            </UButton>
+            <div class="ml-auto flex flex-wrap items-center justify-end gap-2">
+              <UButton v-if="!autoOpenDisabled" color="neutral" variant="ghost" @click="disableAutomaticOpen">
+                {{ t('home.changelog.disableAutoOpen') }}
+              </UButton>
+              <UButton color="primary" variant="soft" @click="close">
+                {{ t('home.changelog.close') }}
+              </UButton>
+            </div>
           </div>
         </div>
       </div>
diff --git a/src/i18n/locales/en-US/home.json b/src/i18n/locales/en-US/home.json
index a35078a8..dbdcf4a1 100644
--- a/src/i18n/locales/en-US/home.json
+++ b/src/i18n/locales/en-US/home.json
@@ -151,6 +151,7 @@
     "current": "Current",
     "total": "{count} versions in total",
     "close": "Close",
+    "disableAutoOpen": "Don't open automatically after updates",
     "loadError": "Failed to load changelog",
     "retry": "Retry",
     "types": {
diff --git a/src/i18n/locales/ja-JP/home.json b/src/i18n/locales/ja-JP/home.json
index 6d4e9234..77e8a702 100644
--- a/src/i18n/locales/ja-JP/home.json
+++ b/src/i18n/locales/ja-JP/home.json
@@ -151,6 +151,7 @@
     "current": "現在のバージョン",
     "total": "全 {count} バージョン",
     "close": "閉じる",
+    "disableAutoOpen": "アップデート後に自動表示しない",
     "loadError": "バージョン履歴の読み込みに失敗しました",
     "retry": "リトライ",
     "types": {
diff --git a/src/i18n/locales/zh-CN/home.json b/src/i18n/locales/zh-CN/home.json
index 40990ba0..90ebbf75 100644
--- a/src/i18n/locales/zh-CN/home.json
+++ b/src/i18n/locales/zh-CN/home.json
@@ -151,6 +151,7 @@
     "current": "当前版本",
     "total": "共 {count} 个版本",
     "close": "关闭",
+    "disableAutoOpen": "更新后不再自动弹出",
     "loadError": "加载版本日志失败",
     "retry": "重试",
     "types": {
diff --git a/src/i18n/locales/zh-TW/home.json b/src/i18n/locales/zh-TW/home.json
index cc38eb2a..31ad4793 100644
--- a/src/i18n/locales/zh-TW/home.json
+++ b/src/i18n/locales/zh-TW/home.json
@@ -151,6 +151,7 @@
     "current": "目前版本",
     "total": "共 {count} 個版本",
     "close": "關閉",
+    "disableAutoOpen": "更新後不再自動顯示",
     "loadError": "載入更新紀錄失敗",
     "retry": "重試",
     "types": {