diff --git a/distribution-admin/src/pages/SiteSettings.tsx b/distribution-admin/src/pages/SiteSettings.tsx
index efdb296..9a54231 100644
--- a/distribution-admin/src/pages/SiteSettings.tsx
+++ b/distribution-admin/src/pages/SiteSettings.tsx
@@ -1149,7 +1149,7 @@ export default function SiteSettings() {
                 >
                   <NotificationOutlined />
                   <span style={{ overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap' }}>
-                    {announcements[0]?.title}
+                    {announcements[0]?.title || announcements[0]?.content}
                   </span>
                 </div>
               )}
diff --git a/frontend/src/features/listings/api/homeConfig.ts b/frontend/src/features/listings/api/homeConfig.ts
index a08c724..6050163 100644
--- a/frontend/src/features/listings/api/homeConfig.ts
+++ b/frontend/src/features/listings/api/homeConfig.ts
@@ -1,5 +1,6 @@
 import { apiClient } from '@/shared/api/client'
 import type { ApiResponse } from '@/shared/types/types'
+import { normalizeAnnouncements } from '@/shared/utils/announcements'
 import { mergeListingPublishOptions, type ListingPublishOptions } from './listingOptions'
 
 export interface HomeBannerSlide {
@@ -86,10 +87,8 @@ export async function fetchMobileHomeConfig() {
 }
 
 export function mergeHomeConfig(config?: Partial<MobileHomeConfig>): MobileHomeConfig {
-  const announcements =
-    config?.announcements
-      ?.map(item => (typeof item === 'string' ? item.trim() : ''))
-      .filter(Boolean) || []
+  // 公告可能是纯文本，也可能是 { title, content } 对象（分销站装修口径），统一归一化。
+  const announcements = normalizeAnnouncements(config?.announcements)
   const banners =
     config?.banners
       ?.map(item => {
diff --git a/frontend/src/features/listings/components/HomeAnnouncement.vue b/frontend/src/features/listings/components/HomeAnnouncement.vue
index d03d27d..0d04dd1 100644
--- a/frontend/src/features/listings/components/HomeAnnouncement.vue
+++ b/frontend/src/features/listings/components/HomeAnnouncement.vue
@@ -1,11 +1,17 @@
 <script setup lang="ts">
+import { computed } from 'vue'
 import { Bell } from '@element-plus/icons-vue'
+import { normalizeAnnouncements, type AnnouncementLike } from '@/shared/utils/announcements'
 
 interface Props {
-  announcements: string[]
+  // 兼容历史形态：纯文本、{ title, content } 对象，或其中任意来源的混合数组。
+  announcements: Array<string | AnnouncementLike>
 }
 
-defineProps<Props>()
+const props = defineProps<Props>()
+
+// 组件自身再兜底归一化一次：即使调用方直接传了站点公告对象，也不会渲染出 JSON 原文。
+const items = computed(() => normalizeAnnouncements(props.announcements))
 </script>
 
 <template>
@@ -18,7 +24,7 @@ defineProps<Props>()
       :autoplay="true"
       :interval="3200"
     >
-      <el-carousel-item v-for="item in announcements" :key="item">
+      <el-carousel-item v-for="item in items" :key="item">
         <span>{{ item }}</span>
       </el-carousel-item>
     </el-carousel>
diff --git a/frontend/src/shared/utils/__tests__/announcements.spec.ts b/frontend/src/shared/utils/__tests__/announcements.spec.ts
new file mode 100644
index 0000000..061d18e
--- /dev/null
+++ b/frontend/src/shared/utils/__tests__/announcements.spec.ts
@@ -0,0 +1,73 @@
+import { describe, expect, it } from 'vitest'
+
+import { normalizeAnnouncements, normalizeAnnouncementText } from '../announcements'
+
+describe('normalizeAnnouncementText', () => {
+  it('保留纯文本公告并去掉首尾空白', () => {
+    expect(normalizeAnnouncementText('  平台担保交易，拒绝私下转账  ')).toBe(
+      '平台担保交易，拒绝私下转账'
+    )
+  })
+
+  it('对象公告取标题', () => {
+    expect(
+      normalizeAnnouncementText({ title: '天域商行专注AWM子弹回收、高比例！', content: '详情' })
+    ).toBe('天域商行专注AWM子弹回收、高比例！')
+  })
+
+  it('对象公告标题为空时回退到内容', () => {
+    expect(normalizeAnnouncementText({ title: '   ', content: ' 详情内容 ' })).toBe('详情内容')
+  })
+
+  it('兼容被字符串化的对象（历史脏数据）', () => {
+    expect(
+      normalizeAnnouncementText('{"title":"天域商行专注AWM子弹回收、高比例！ ","content":""}')
+    ).toBe('天域商行专注AWM子弹回收、高比例！')
+  })
+
+  it('普通花括号文案不会被当成 JSON 配置吞掉', () => {
+    expect(normalizeAnnouncementText('{今日特价} 全场九折')).toBe('{今日特价} 全场九折')
+    expect(normalizeAnnouncementText('{不完整对象')).toBe('{不完整对象')
+  })
+
+  it('空值与非法类型返回空串', () => {
+    expect(normalizeAnnouncementText('')).toBe('')
+    expect(normalizeAnnouncementText('   ')).toBe('')
+    expect(normalizeAnnouncementText(null)).toBe('')
+    expect(normalizeAnnouncementText(undefined)).toBe('')
+    expect(normalizeAnnouncementText(123)).toBe('')
+    expect(normalizeAnnouncementText({ foo: 'bar' })).toBe('')
+  })
+})
+
+describe('normalizeAnnouncements', () => {
+  it('归一化站点公告对象数组（真实线上数据）', () => {
+    const raw = JSON.parse(
+      '[{"title":"平台全新上线精选三角洲账号，安全畅玩！","content":""},{"title":"天域商行专注AWM子弹回收、高比例！不排队！秒结算！","content":""}]'
+    )
+    expect(normalizeAnnouncements(raw)).toEqual([
+      '平台全新上线精选三角洲账号，安全畅玩！',
+      '天域商行专注AWM子弹回收、高比例！不排队！秒结算！',
+    ])
+  })
+
+  it('支持字符串与对象混排并去重', () => {
+    expect(
+      normalizeAnnouncements([
+        'A',
+        { title: 'B' },
+        'A',
+        { title: 'B', content: 'B' },
+        '   ',
+        { title: '' },
+      ])
+    ).toEqual(['A', 'B'])
+  })
+
+  it('非数组输入返回空列表', () => {
+    expect(normalizeAnnouncements(undefined)).toEqual([])
+    expect(normalizeAnnouncements(null)).toEqual([])
+    expect(normalizeAnnouncements('A')).toEqual([])
+    expect(normalizeAnnouncements({ title: 'A' })).toEqual([])
+  })
+})
diff --git a/frontend/src/shared/utils/announcements.ts b/frontend/src/shared/utils/announcements.ts
new file mode 100644
index 0000000..eeaf808
--- /dev/null
+++ b/frontend/src/shared/utils/announcements.ts
@@ -0,0 +1,62 @@
+/**
+ * 公告条目的统一归一化。
+ *
+ * 站点公告在系统里有两种历史形态：
+ *  - 主站首页配置（systemconfigs.mobile-home-config）：纯文本字符串数组
+ *  - 分销站品牌装修（distribution_sites.announcements_json）：{ title, content } 对象数组
+ *
+ * 跑马灯只展示标题。若把对象直接交给模板渲染，Vue 会对对象做 JSON.stringify，
+ * 前台就会出现 {"title":"…","content":""} 这样的原文（跑马灯样式还会把换行压成一行）。
+ * 因此所有公告入口都先经过这里收敛为可展示文本。
+ */
+export interface AnnouncementLike {
+  title?: string
+  content?: string
+}
+
+/** 把单个公告条目归一化为展示文本，兼容纯文本、对象与「被字符串化的对象」。 */
+export function normalizeAnnouncementText(item: unknown): string {
+  if (typeof item === 'string') {
+    const text = item.trim()
+    if (!text) return ''
+    const parsed = parseStringifiedObject(text)
+    return parsed ? normalizeAnnouncementText(parsed) : text
+  }
+  if (item && typeof item === 'object') {
+    const record = item as Record<string, unknown>
+    const title = typeof record.title === 'string' ? record.title.trim() : ''
+    if (title) return title
+    const content = typeof record.content === 'string' ? record.content.trim() : ''
+    return content
+  }
+  return ''
+}
+
+/** 把任意来源的公告列表归一化为去重后的展示文本列表。 */
+export function normalizeAnnouncements(items: unknown): string[] {
+  if (!Array.isArray(items)) return []
+  const seen = new Set<string>()
+  const result: string[] = []
+  for (const item of items) {
+    const text = normalizeAnnouncementText(item)
+    if (!text || seen.has(text)) continue
+    seen.add(text)
+    result.push(text)
+  }
+  return result
+}
+
+/** 只解析「看起来是 JSON 对象」的字符串，避免把普通文案误当 JSON 处理。 */
+function parseStringifiedObject(text: string): Record<string, unknown> | undefined {
+  if (!text.startsWith('{') || !text.endsWith('}')) return undefined
+  try {
+    const parsed: unknown = JSON.parse(text)
+    if (!parsed || typeof parsed !== 'object' || Array.isArray(parsed)) return undefined
+    const record = parsed as Record<string, unknown>
+    // 仅接受公告结构，避免把用户手写的 {xxx} 文案当成配置吞掉。
+    if (typeof record.title === 'string' || typeof record.content === 'string') return record
+    return undefined
+  } catch {
+    return undefined
+  }
+}
diff --git a/frontend/src/stores/distributionSite.ts b/frontend/src/stores/distributionSite.ts
index 0e76da4..8d506bb 100644
--- a/frontend/src/stores/distributionSite.ts
+++ b/frontend/src/stores/distributionSite.ts
@@ -1,6 +1,7 @@
 import { defineStore } from 'pinia'
 import { apiClient } from '@/shared/api/client'
 import type { ApiResponse } from '@/shared/types/types'
+import { normalizeAnnouncements } from '@/shared/utils/announcements'
 
 export interface DistributionBanner {
   image_url: string
@@ -160,7 +161,9 @@ export const useDistributionSiteStore = defineStore('distributionSite', {
 
           if (info.announcements_json) {
             try {
-              this.announcements = JSON.parse(info.announcements_json)
+              // 站点公告存的是 { title, content } 对象数组，跑马灯只认文本，必须先归一化，
+              // 否则 Vue 会把对象 stringify 成 {"title":"…","content":""} 原文展示。
+              this.announcements = normalizeAnnouncements(JSON.parse(info.announcements_json))
             } catch {
               this.announcements = []
             }