diff --git a/.playwright/scripts/__tests__/updates.e2e.mjs b/.playwright/scripts/__tests__/updates.e2e.mjs
index 6989a8ed..689f84cb 100644
--- a/.playwright/scripts/__tests__/updates.e2e.mjs
+++ b/.playwright/scripts/__tests__/updates.e2e.mjs
@@ -8,7 +8,7 @@ const result = {
   latestVersion: version,
   status: 'update_available',
   releaseUrl: `https://github.com/useLexora/Lexora/releases/tag/v${version}`,
-  releaseNotes: '## 更新亮点\n- 改善任务恢复\n- 修复文件操作\n- 优化资源使用\n![external](https://example.invalid/image.png)',
+  releaseNotes: '## 更新亮点\n- feat(buddy): 改善任务恢复 by @contributor in https://github.com/useLexora/Lexora/pull/301\n- 修复文件操作\n- 优化资源使用\n![external](https://example.invalid/image.png)',
 }
 
 async function seedUpdate(instance, enabled = true) {
@@ -34,6 +34,11 @@ async function about(page) {
   await page.locator('.desktop-settings-sidebar').getByRole('link', { name: '关于', exact: true }).click()
 }
 
+async function checkFromApplicationMenu(page) {
+  await page.locator('.desktop-window-menu').getByRole('button', { name: 'Lexora Buddy', exact: true }).click()
+  await page.getByRole('menuitem').filter({ hasText: '检查更新…' }).click()
+}
+
 function toggle(page) {
   return page.locator('.desktop-application-toggle').filter({ hasText: '更新通知' }).getByRole('switch')
 }
@@ -65,6 +70,8 @@ test('updates stay discoverable after dismissal, persist skips and opt-out, and
   const dialog = () => desktop.page.locator('.desktop-update-dialog')
   await expect(dialog()).toBeVisible()
   await expect(dialog()).toContainText('改善任务恢复')
+  await expect(dialog()).not.toContainText('@contributor')
+  await expect(dialog()).not.toContainText('/pull/301')
   await expect(dialog().locator('img')).toHaveCount(0)
   await expect.poll(() => decisions(instance)).toMatchObject({ seenVersion: version })
   await desktop.app.evaluate(({ shell }) => {
@@ -95,10 +102,29 @@ test('updates stay discoverable after dismissal, persist skips and opt-out, and
     ipcMain.removeHandler('lexora:app:check-for-updates')
     ipcMain.handle('lexora:app:check-for-updates', () => ({ ...result, currentVersion: app.getVersion() }))
   }, result)
-  await desktop.page.getByRole('button', { name: '检查更新', exact: true }).click()
+  await desktop.page.locator('.desktop-app-sidebar').getByRole('button', { name: '任务', exact: true }).click()
+  await checkFromApplicationMenu(desktop.page)
   await expect(dialog()).toContainText(version)
   await expect(reminder()).toHaveCount(0)
-  await desktop.page.screenshot({ path: path.join(instance.artifactDirectory, 'update-details.png'), animations: 'disabled' })
+  await desktop.page.screenshot({ path: path.join(instance.artifactDirectory, 'update-available.png'), animations: 'disabled' })
+  await dialog().getByRole('button', { name: '关闭', exact: true }).click()
+  await expect(dialog()).toHaveCount(0)
+  await desktop.app.evaluate(({ ipcMain, app }) => {
+    const currentVersion = app.getVersion()
+    ipcMain.removeHandler('lexora:app:check-for-updates')
+    ipcMain.handle('lexora:app:check-for-updates', () => ({
+      currentVersion,
+      latestVersion: currentVersion,
+      status: 'up_to_date',
+      releaseUrl: `https://github.com/useLexora/Lexora/releases/tag/v${currentVersion}`,
+      releaseNotes: '',
+    }))
+  })
+  await checkFromApplicationMenu(desktop.page)
+  await expect(dialog()).toContainText('已是最新版本')
+  await expect(dialog().getByRole('button', { name: '忽略此版本', exact: true })).toHaveCount(0)
+  await expect(dialog().getByRole('button', { name: '前往下载', exact: true })).toHaveCount(0)
+  await desktop.page.screenshot({ path: path.join(instance.artifactDirectory, 'up-to-date.png'), animations: 'disabled' })
   expect(desktop.diagnostics.console.filter(entry => entry.type === 'pageerror')).toEqual([])
 })
 
diff --git a/apps/buddy/src/i18n/locales/en-US/app.ts b/apps/buddy/src/i18n/locales/en-US/app.ts
index f15d957a..68d5595f 100644
--- a/apps/buddy/src/i18n/locales/en-US/app.ts
+++ b/apps/buddy/src/i18n/locales/en-US/app.ts
@@ -61,17 +61,20 @@ export default {
   'desktop.window.minimize': 'Minimize',
   'desktop.window.restore': 'Restore window',
   'desktop.update.available': 'A new version is available',
+  'desktop.update.availableDescription': 'Review what changed, then open the release page when you are ready to download.',
   'desktop.update.currentVersion': 'Current version',
   'desktop.update.failed': 'Unable to check for updates',
   'desktop.update.latest': 'Lexora Buddy is up to date',
+  'desktop.update.latestDescription': 'You are using the latest version of Lexora Buddy.',
   'desktop.update.latestTag': 'Up to date',
   'desktop.update.latestVersion': 'Latest version',
-  'desktop.update.openRelease': 'View release',
+  'desktop.update.newTag': 'New',
+  'desktop.update.openRelease': 'Full changelog',
   'desktop.update.title': 'Check for updates',
   'desktop.update.view': 'View update',
   'desktop.update.ignore': 'Skip this version',
   'desktop.update.download': 'Go to download',
-  'desktop.update.highlights': 'Release notes excerpt',
+  'desktop.update.highlights': 'What\'s New',
   'desktop.update.notesUnavailable': 'No update summary is available. See the release page for details.',
   'desktop.update.notifications': 'Update notifications',
   'desktop.update.notificationsDescription': 'Check for new versions automatically and notify you when tasks are idle. Turning this off stops automatic checks; manual checks remain available.',
diff --git a/apps/buddy/src/i18n/locales/zh-CN/app.ts b/apps/buddy/src/i18n/locales/zh-CN/app.ts
index 7acec7f0..cef98977 100644
--- a/apps/buddy/src/i18n/locales/zh-CN/app.ts
+++ b/apps/buddy/src/i18n/locales/zh-CN/app.ts
@@ -59,17 +59,20 @@ export default {
   'desktop.window.minimize': '最小化',
   'desktop.window.restore': '还原窗口',
   'desktop.update.available': '发现新版本',
+  'desktop.update.availableDescription': '新版本已准备好，可查看更新内容后前往发布页下载。',
   'desktop.update.currentVersion': '当前版本',
   'desktop.update.failed': '暂时无法检查更新',
   'desktop.update.latest': '已是最新版本',
+  'desktop.update.latestDescription': '你正在使用 Lexora Buddy 的最新版本。',
   'desktop.update.latestTag': '最新版',
   'desktop.update.latestVersion': '最新版本',
-  'desktop.update.openRelease': '查看发布页',
+  'desktop.update.newTag': '新版本',
+  'desktop.update.openRelease': '完整更新日志',
   'desktop.update.title': '检查更新',
   'desktop.update.view': '查看更新',
   'desktop.update.ignore': '忽略此版本',
   'desktop.update.download': '前往下载',
-  'desktop.update.highlights': '发布说明摘录',
+  'desktop.update.highlights': '本次更新内容',
   'desktop.update.notesUnavailable': '此版本暂无更新摘要，可在发布页查看详情。',
   'desktop.update.notifications': '更新通知',
   'desktop.update.notificationsDescription': '自动检查新版本，在任务空闲时提醒。关闭后停止自动检查，仍可手动检查更新。',
diff --git a/apps/buddy/src/modules/updates/model/__tests__/updateReleaseNotes.spec.ts b/apps/buddy/src/modules/updates/model/__tests__/updateReleaseNotes.spec.ts
index b37af14f..2853fe7e 100644
--- a/apps/buddy/src/modules/updates/model/__tests__/updateReleaseNotes.spec.ts
+++ b/apps/buddy/src/modules/updates/model/__tests__/updateReleaseNotes.spec.ts
@@ -3,6 +3,11 @@ import { updateReleaseHighlights } from '../updateReleaseNotes'
 
 it('shows a bounded plain-text excerpt without loading Markdown images or executing release content', () => {
   expect(updateReleaseHighlights('## Highlights\n<!-- private note -->\n- **Restore tasks**\n- [Fix files](https://example.invalid)\n![image](https://example.invalid/pixel)\n```sh\ncommand\n```\n- Keep settings\n- More changes')).toEqual(['Restore tasks', 'Fix files', 'Keep settings'])
+  expect(updateReleaseHighlights('- refactor: 事件嵌入服务架构 by @shanyuhai123 in https://github.com/useLexora/Lexora/pull/216\n- feat(buddy): 新增新任务默认权限设置 by @QAyong in https://github.com/useLexora/Lexora/pull/213\n- fix!: 修复升级流程 (#219)\n**Full Changelog**: https://github.com/useLexora/Lexora/compare/v0.9.3...v0.9.4')).toEqual([
+    '事件嵌入服务架构',
+    '新增新任务默认权限设置',
+    '修复升级流程',
+  ])
   expect(updateReleaseHighlights('')).toEqual([])
   expect(updateReleaseHighlights(`- ${'x'.repeat(10000)}`)[0]?.length).toBe(400)
 })
diff --git a/apps/buddy/src/modules/updates/model/updateReleaseNotes.ts b/apps/buddy/src/modules/updates/model/updateReleaseNotes.ts
index d45fc05b..da54b5e1 100644
--- a/apps/buddy/src/modules/updates/model/updateReleaseNotes.ts
+++ b/apps/buddy/src/modules/updates/model/updateReleaseNotes.ts
@@ -1,12 +1,31 @@
+const conventionalCommitPrefix = /^(?:build|chore|ci|docs|feat|fix|perf|refactor|revert|style|test)(?:\([^)]*\))?!?:\s*/i
+
+function cleanReleaseHighlight(line: string): string {
+  return line
+    .replace(/^(?:[-*+] |\d+\. )/, '')
+    .replace(/\*\*|__|`/g, '')
+    .replace(/\s+by\s+@?[\w-]+\s+in\s+(?:https?:\/\/\S+|#\d+)\s*$/i, '')
+    .replace(/\s+\(#\d+\)\s*$/, '')
+    .replace(/https?:\/\/\S+/g, '')
+    .replace(/^Full Changelog:\s*/i, '')
+    .replace(conventionalCommitPrefix, '')
+    .replace(/<[^>]*>/g, '')
+    .replace(/\s+/g, ' ')
+    .trim()
+    .slice(0, 400)
+}
+
 export function updateReleaseHighlights(notes: string): string[] {
   const text = notes.slice(0, 8_000)
     .replace(/<!--[\s\S]*?-->/g, '')
     .replace(/```[\s\S]*?(?:```|$)/g, '')
     .replace(/!\[[^\]]*\]\([^)]*\)/g, '')
     .replace(/\[([^\]]+)\]\([^)]*\)/g, '$1')
-  return text.split(/\r?\n/)
+  const highlights = text.split(/\r?\n/)
     .map(line => line.trim())
     .filter(line => line && !/^(?:#{1,6}\s|https?:\/\/|[-*_]{3,}$|<)/.test(line))
-    .map(line => line.replace(/^(?:[-*+] |\d+\. )/, '').replace(/\*\*|__|`/g, '').slice(0, 400))
-    .slice(0, 3)
+    .map(cleanReleaseHighlight)
+    .filter(Boolean)
+
+  return [...new Set(highlights)].slice(0, 3)
 }
diff --git a/apps/buddy/src/modules/updates/widgets/DesktopUpdateDialog.vue b/apps/buddy/src/modules/updates/widgets/DesktopUpdateDialog.vue
index 6de00454..c091fc57 100644
--- a/apps/buddy/src/modules/updates/widgets/DesktopUpdateDialog.vue
+++ b/apps/buddy/src/modules/updates/widgets/DesktopUpdateDialog.vue
@@ -1,9 +1,11 @@
 <script setup lang="ts">
 import type { DesktopUpdateCheckResult } from '@buddy-electron/shared/desktopUpdates'
 import type { BuddyLocale } from '@/i18n/buddyI18n'
+import { ArrowDownload20Regular, ArrowUpRight20Regular, CheckmarkCircle20Regular } from '@vicons/fluent'
 import { NButton, NModal } from 'naive-ui'
 import { computed } from 'vue'
 import { useBuddyI18n } from '@/i18n/buddyI18n'
+import DesktopIcon from '@/shared/ui/icon/DesktopIcon.vue'
 import { updateReleaseHighlights } from '../model/updateReleaseNotes'
 
 const props = defineProps<{
@@ -18,6 +20,7 @@ const emit = defineEmits<{
   'update:show': [show: boolean]
 }>()
 const { t } = useBuddyI18n(() => props.language)
+const updateAvailable = computed(() => props.result?.status === 'update_available')
 const highlights = computed(() => updateReleaseHighlights(props.result?.releaseNotes ?? ''))
 </script>
 
@@ -28,41 +31,98 @@ const highlights = computed(() => updateReleaseHighlights(props.result?.releaseN
     class="desktop-update-dialog"
     :style="{ width: 'min(32rem, calc(100vw - 2rem))' }"
     :title="t('desktop.update.title')"
+    :auto-focus="false"
     @update:show="emit('update:show', $event)"
   >
     <template v-if="result">
-      <p class="desktop-update-dialog__status">
-        {{ result.status === 'up_to_date' ? t('desktop.update.latest') : t('desktop.update.available') }}
-      </p>
-      <dl class="desktop-update-dialog__versions">
-        <div><dt>{{ t('desktop.update.currentVersion') }}</dt><dd>{{ result.currentVersion }}</dd></div>
-        <div><dt>{{ t('desktop.update.latestVersion') }}</dt><dd>{{ result.latestVersion }}</dd></div>
-      </dl>
-      <section v-if="result.status === 'update_available'" class="desktop-update-dialog__notes">
-        <h3>{{ t('desktop.update.highlights') }}</h3>
-        <ul v-if="highlights.length">
-          <li v-for="(line, index) in highlights" :key="index">
-            {{ line }}
-          </li>
-        </ul>
-        <p v-else>
-          {{ t('desktop.update.notesUnavailable') }}
-        </p>
-        <NButton text :disabled="pending" @click="emit('openRelease', result.releaseUrl)">
-          {{ t('desktop.update.openRelease') }}
-        </NButton>
-      </section>
+      <!-- 发现新版本视图 -->
+      <template v-if="updateAvailable">
+        <header class="desktop-update-dialog__header">
+          <div class="desktop-update-dialog__icon-wrap is-update">
+            <DesktopIcon :component="ArrowDownload20Regular" :size="22" aria-hidden="true" />
+          </div>
+          <div class="desktop-update-dialog__header-copy">
+            <div class="desktop-update-dialog__title-row">
+              <h2 class="desktop-update-dialog__version-title">
+                Lexora Buddy {{ result.latestVersion }}
+              </h2>
+              <span class="desktop-update-dialog__badge">{{ t('desktop.update.newTag') }}</span>
+            </div>
+            <p class="desktop-update-dialog__meta">
+              {{ t('desktop.update.currentVersion') }} v{{ result.currentVersion }}
+            </p>
+          </div>
+        </header>
+
+        <section class="desktop-update-dialog__card">
+          <div class="desktop-update-dialog__card-header">
+            <h3 class="desktop-update-dialog__card-title">
+              {{ t('desktop.update.highlights') }}
+            </h3>
+            <NButton
+              text
+              type="primary"
+              size="tiny"
+              class="desktop-update-dialog__release-link"
+              :disabled="pending"
+              @click="emit('openRelease', result.releaseUrl)"
+            >
+              <template #icon>
+                <DesktopIcon :component="ArrowUpRight20Regular" :size="14" />
+              </template>
+              {{ t('desktop.update.openRelease') }}
+            </NButton>
+          </div>
+
+          <ul v-if="highlights.length" class="desktop-update-dialog__list">
+            <li v-for="(line, index) in highlights" :key="`${index}:${line}`">
+              {{ line }}
+            </li>
+          </ul>
+          <p v-else class="desktop-update-dialog__notes-empty">
+            {{ t('desktop.update.notesUnavailable') }}
+          </p>
+        </section>
+      </template>
+
+      <!-- 已是最新版本视图 -->
+      <template v-else>
+        <div class="desktop-update-dialog__latest-state">
+          <div class="desktop-update-dialog__icon-wrap is-latest">
+            <DesktopIcon :component="CheckmarkCircle20Regular" :size="24" aria-hidden="true" />
+          </div>
+          <h2 class="desktop-update-dialog__latest-title">
+            {{ t('desktop.update.latest') }}
+          </h2>
+          <p class="desktop-update-dialog__latest-desc">
+            {{ t('desktop.update.latestDescription') }} (v{{ result.currentVersion }})
+          </p>
+        </div>
+      </template>
     </template>
+
     <template #footer>
       <div class="desktop-update-dialog__actions">
-        <NButton v-if="result?.status === 'update_available'" quaternary :disabled="pending" @click="emit('ignore', result.latestVersion)">
+        <NButton
+          v-if="updateAvailable"
+          quaternary
+          :disabled="pending"
+          @click="emit('ignore', result?.latestVersion ?? '')"
+        >
           {{ t('desktop.update.ignore') }}
         </NButton>
-        <div class="desktop-update-dialog__primary">
+        <div v-else class="desktop-update-dialog__spacer" />
+
+        <div class="desktop-update-dialog__primary-group">
           <NButton @click="emit('update:show', false)">
             {{ t('common.close') }}
           </NButton>
-          <NButton v-if="result?.status === 'update_available'" type="primary" :disabled="pending" @click="emit('openRelease', result.releaseUrl)">
+          <NButton
+            v-if="updateAvailable"
+            type="primary"
+            :loading="pending"
+            @click="emit('openRelease', result?.releaseUrl ?? '')"
+          >
             {{ t('desktop.update.download') }}
           </NButton>
         </div>
@@ -72,61 +132,166 @@ const highlights = computed(() => updateReleaseHighlights(props.result?.releaseN
 </template>
 
 <style scoped>
-.desktop-update-dialog__status {
-  margin: 0 0 1rem;
-  color: var(--buddy-text-strong);
-  font-size: 14px;
+.desktop-update-dialog__header {
+  display: flex;
+  align-items: center;
+  gap: 14px;
+  padding: 2px 0 14px;
 }
-.desktop-update-dialog__versions {
-  display: grid;
-  gap: 0.5rem;
-  margin: 0;
-  font-size: 13px;
+
+.desktop-update-dialog__icon-wrap {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  flex: none;
+  width: 44px;
+  height: 44px;
+  border-radius: 12px;
 }
-.desktop-update-dialog__versions div {
+
+.desktop-update-dialog__icon-wrap.is-update {
+  background: var(--buddy-accent-surface);
+  color: var(--buddy-accent-text);
+  border: 1px solid var(--buddy-accent-border, transparent);
+}
+
+.desktop-update-dialog__icon-wrap.is-latest {
+  background: var(--buddy-status-success-surface);
+  color: var(--buddy-status-success-text);
+  border: 1px solid var(--buddy-status-success-border, transparent);
+}
+
+.desktop-update-dialog__header-copy {
+  min-width: 0;
+  flex: 1;
+}
+
+.desktop-update-dialog__title-row {
   display: flex;
-  justify-content: space-between;
-  gap: 1rem;
+  align-items: center;
+  gap: 8px;
+}
+
+.desktop-update-dialog__version-title {
+  margin: 0;
+  color: var(--buddy-text-strong);
+  font-size: 16px;
+  font-weight: 600;
+  line-height: 1.35;
 }
-.desktop-update-dialog__versions dt {
+
+.desktop-update-dialog__badge {
+  display: inline-flex;
+  align-items: center;
+  padding: 2px 7px;
+  border-radius: 9999px;
+  background: var(--buddy-accent-surface);
+  color: var(--buddy-accent-text);
+  font-size: 11px;
+  font-weight: 600;
+  line-height: 1.3;
+}
+
+.desktop-update-dialog__meta {
+  margin: 3px 0 0;
   color: var(--buddy-text-secondary);
+  font-size: 12px;
+  line-height: 1.5;
 }
-.desktop-update-dialog__versions dd {
-  margin: 0;
-  font-family: var(--buddy-font-mono);
+
+.desktop-update-dialog__card {
+  border-radius: 8px;
+  border: 1px solid var(--buddy-border-subtle);
+  background: var(--buddy-surface-raised);
+  padding: 12px 14px;
 }
-.desktop-update-dialog__notes {
-  margin-top: 20px;
-  border-top: 1px solid var(--buddy-border-subtle);
-  padding-top: 12px;
-  font-size: 13px;
-  overflow-wrap: anywhere;
+
+.desktop-update-dialog__card-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 12px;
+  margin-bottom: 8px;
 }
-.desktop-update-dialog__notes h3 {
-  margin: 0 0 8px;
-  font-size: 13px;
+
+.desktop-update-dialog__card-title {
+  margin: 0;
+  color: var(--buddy-text-strong);
+  font-size: 12px;
   font-weight: 600;
+  letter-spacing: 0.02em;
+}
+
+.desktop-update-dialog__release-link {
+  font-size: 12px;
 }
-.desktop-update-dialog__notes ul {
-  margin: 0 0 12px;
+
+.desktop-update-dialog__list {
+  display: grid;
+  gap: 6px;
+  margin: 0;
   padding-left: 18px;
-  color: var(--buddy-text-secondary);
-  line-height: 1.7;
+  color: var(--buddy-text-primary);
+  font-size: 13px;
+  line-height: 1.6;
+  max-height: 200px;
+  overflow-y: auto;
+}
+
+.desktop-update-dialog__list li {
+  overflow-wrap: anywhere;
+}
+
+.desktop-update-dialog__list li::marker {
+  color: var(--buddy-accent-text);
 }
-.desktop-update-dialog__notes p {
+
+.desktop-update-dialog__notes-empty {
+  margin: 0;
   color: var(--buddy-text-secondary);
+  font-size: 12px;
+  line-height: 1.6;
 }
-.desktop-update-dialog__actions,
-.desktop-update-dialog__primary {
+
+.desktop-update-dialog__latest-state {
   display: flex;
+  flex-direction: column;
   align-items: center;
-  flex-wrap: wrap;
-  gap: 8px;
+  justify-content: center;
+  text-align: center;
+  padding: 16px 0 12px;
+}
+
+.desktop-update-dialog__latest-title {
+  margin: 12px 0 4px;
+  color: var(--buddy-text-strong);
+  font-size: 16px;
+  font-weight: 600;
+  line-height: 1.35;
+}
+
+.desktop-update-dialog__latest-desc {
+  margin: 0;
+  color: var(--buddy-text-secondary);
+  font-size: 13px;
+  line-height: 1.5;
 }
+
 .desktop-update-dialog__actions {
+  display: flex;
+  align-items: center;
   justify-content: space-between;
+  gap: 12px;
+  width: 100%;
+}
+
+.desktop-update-dialog__spacer {
+  flex: 1;
 }
-.desktop-update-dialog__primary {
-  margin-left: auto;
+
+.desktop-update-dialog__primary-group {
+  display: flex;
+  align-items: center;
+  gap: 8px;
 }
 </style>