diff --git a/Yi.Ai.Vue3/src/App.vue b/Yi.Ai.Vue3/src/App.vue
index ac1b0a53..3ea0046e 100644
--- a/Yi.Ai.Vue3/src/App.vue
+++ b/Yi.Ai.Vue3/src/App.vue
@@ -1,67 +1,8 @@
 <script setup lang="ts">
-import type { AnnouncementLogDto } from '@/api';
-import { getSystemAnnouncements } from '@/api';
-import SystemAnnouncementDialog from '@/components/SystemAnnouncementDialog/index.vue';
-import { useAnnouncementStore } from '@/stores';
-
-const announcementStore = useAnnouncementStore();
-
-// 模拟数据（当后端接口未就绪时使用）
-const mockData: AnnouncementLogDto[] = [
-  {
-    title: 'v2.3.0',
-    content: [
-      '重大更新',
-      '1：优化整体',
-      '2: 还有谁',
-    ],
-    imageUrl: 'https://ccnetcore.com/prod-api/wwwroot/logo.png',
-    startTime: '2025-11-10 14:58:58',
-    endTime: null,
-    type: 'System',
-  },
-  {
-    title: 'KFC翻牌活动',
-    content: [
-      '666',
-      '777',
-      '2: 还有谁',
-    ],
-    imageUrl: 'https://ccnetcore.com/prod-api/wwwroot/logo.png',
-    startTime: '2025-11-10 14:58:58',
-    endTime: '2025-11-15 14:59:49',
-    type: 'Activity',
-  },
-];
-
-// 应用加载时检查是否需要显示公告弹窗
-onMounted(async () => {
-  console.log('announcementStore.shouldShowDialog--', announcementStore.shouldShowDialog);
-  // 检查是否应该显示弹窗
-  if (announcementStore.shouldShowDialog) {
-    try {
-      // 获取公告数据
-      const res = await getSystemAnnouncements();
-      if (res && res.data && Array.isArray(res.data) && res.data.length > 0) {
-        announcementStore.setAnnouncementData(res.data);
-        // 显示弹窗
-        announcementStore.openDialog();
-      }
-    }
-    catch (error) {
-      console.error('获取系统公告失败，使用模拟数据:', error);
-      // 使用模拟数据作为降级方案
-      announcementStore.setAnnouncementData(mockData);
-      announcementStore.openDialog();
-    }
-  }
-});
 </script>
 
 <template>
   <router-view />
-  <!-- 系统公告弹窗 -->
-  <SystemAnnouncementDialog />
 </template>
 
 <style scoped lang="scss"></style>
diff --git a/Yi.Ai.Vue3/src/components/SystemAnnouncementDialog/index.vue b/Yi.Ai.Vue3/src/components/SystemAnnouncementDialog/index.vue
index 13fedee7..8a728e6f 100644
--- a/Yi.Ai.Vue3/src/components/SystemAnnouncementDialog/index.vue
+++ b/Yi.Ai.Vue3/src/components/SystemAnnouncementDialog/index.vue
@@ -52,7 +52,7 @@ function handleClose(type: CloseType) {
   announcementStore.closeDialog(type);
 
   const messages = {
-    today: '今日内不再显示',
+    today: '一周内不再显示',
     permanent: '公告已关闭',
   };
 
@@ -199,7 +199,7 @@ function getActivityStatus(activity: AnnouncementLogDto): 'active' | 'expired' {
     <template #footer>
       <div class="dialog-footer">
         <el-button @click="handleClose('today')">
-          今日关闭
+          关闭一周
         </el-button>
         <el-button type="primary" @click="handleClose('permanent')">
           关闭公告
diff --git a/Yi.Ai.Vue3/src/layouts/LayoutVertical/index.vue b/Yi.Ai.Vue3/src/layouts/LayoutVertical/index.vue
index 03b382d2..f3dd3d23 100644
--- a/Yi.Ai.Vue3/src/layouts/LayoutVertical/index.vue
+++ b/Yi.Ai.Vue3/src/layouts/LayoutVertical/index.vue
@@ -1,13 +1,16 @@
 <!-- 纵向布局作为基础布局 -->
 <script setup lang="ts">
+import { getSystemAnnouncements } from '@/api';
+import SystemAnnouncementDialog from '@/components/SystemAnnouncementDialog/index.vue';
 import { useSafeArea } from '@/hooks/useSafeArea';
 import { useWindowWidthObserver } from '@/hooks/useWindowWidthObserver';
 import Aside from '@/layouts/components/Aside/index.vue';
 import Header from '@/layouts/components/Header/index.vue';
 import Main from '@/layouts/components/Main/index.vue';
-import { useDesignStore } from '@/stores';
+import { useAnnouncementStore, useDesignStore } from '@/stores';
 
 const designStore = useDesignStore();
+const announcementStore = useAnnouncementStore();
 
 const isCollapse = computed(() => designStore.isCollapse);
 
@@ -24,6 +27,32 @@ useSafeArea({
 
 /** 监听窗口大小变化，折叠侧边栏 */
 useWindowWidthObserver();
+
+// 应用加载时检查是否需要显示公告弹窗
+onMounted(async () => {
+  console.log('announcementStore.shouldShowDialog--', announcementStore.shouldShowDialog);
+  // 检查是否应该显示弹窗（只有"关闭一周"且未超过7天才不显示）
+  if (announcementStore.shouldShowDialog) {
+    try {
+      // 从接口获取公告数据（不使用缓存）
+      const res = await getSystemAnnouncements();
+      if (res && res.data && Array.isArray(res.data) && res.data.length > 0) {
+        announcementStore.setAnnouncementData(res.data);
+      }
+      else {
+        // 接口返回成功但数据为空，设置空数组
+        announcementStore.setAnnouncementData([]);
+      }
+    }
+    catch (error) {
+      console.error('获取系统公告失败:', error);
+      // API失败时设置空数组，仍然显示弹窗（显示错误或空状态）
+      announcementStore.setAnnouncementData([]);
+    }
+    // 无论成功失败都显示弹窗
+    announcementStore.openDialog();
+  }
+});
 </script>
 
 <template>
@@ -39,6 +68,8 @@ useWindowWidthObserver();
       </el-main>
     </el-container>
   </el-container>
+  <!-- 系统公告弹窗 -->
+  <SystemAnnouncementDialog />
 </template>
 
 <style lang="scss" scoped>
diff --git a/Yi.Ai.Vue3/src/stores/modules/announcement.ts b/Yi.Ai.Vue3/src/stores/modules/announcement.ts
index 0d81d849..f10020a6 100644
--- a/Yi.Ai.Vue3/src/stores/modules/announcement.ts
+++ b/Yi.Ai.Vue3/src/stores/modules/announcement.ts
@@ -37,11 +37,11 @@ export const useAnnouncementStore = defineStore(
       const elapsed = now - closedAt.value;
 
       if (closeType.value === 'permanent')
-        return false;
+        return true;
 
       if (closeType.value === 'today') {
-        // 检查是否已过去一天（24小时）
-        return elapsed > 24 * 60 * 60 * 1000;
+        // 检查是否已过去一周（7天）
+        return elapsed > 7 * 24 * 60 * 60 * 1000;
       }
 
       return true;
@@ -72,7 +72,7 @@ export const useAnnouncementStore = defineStore(
   },
   {
     persist: {
-      // 只持久化关闭状态相关的数据
+      // 只持久化关闭状态相关的数据，公告数据不缓存
       paths: ['closeType', 'closedAt'],
     },
   },