diff --git a/src/components/PageLogin.vue b/src/components/PageLogin.vue
index bb092cd..5d5812a 100644
--- a/src/components/PageLogin.vue
+++ b/src/components/PageLogin.vue
@@ -18,6 +18,7 @@
           <LoginBrand :title="props.branding.title" />
         </div>
         <v-sheet
+          v-if="props.withAnnouncement"
           class="board-wrapper pa-2 pa-lg-0"
           color="rgba(var(--v-theme-surface), 0.8)"
           elevation="0"
@@ -195,7 +196,11 @@
       </v-card>
     </v-row>
 
-    <v-bottom-sheet v-model="mobileAnnouncementSheetVisible" class="d-sm-none">
+    <v-bottom-sheet
+      v-if="props.withAnnouncement"
+      v-model="mobileAnnouncementSheetVisible"
+      class="d-sm-none"
+    >
       <v-card rounded="t-xl">
         <v-card-title class="text-subtitle-1 font-weight-bold">
           {{ props.mobileAnnouncement.listTitle }}
@@ -330,6 +335,7 @@ interface ToolBarConfig {
 
 interface Props {
   layout: 'side-left' | 'side-right' | 'card'
+  withAnnouncement?: boolean
   branding: BrandingConfig
   illustration: IllustrationConfig
   announcementBoard: AnnouncementBoardConfig
@@ -341,6 +347,7 @@ interface Props {
 
 const props = withDefaults(defineProps<Props>(), {
   layout: 'side-left',
+  withAnnouncement: true,
   branding: () => ({
     title: 'Skyteck Login',
     organization: 'school',
@@ -430,6 +437,7 @@ const mobileAnnouncementSheetVisible = ref(false)
 const mobileAnnouncementItems = computed(() => props.mobileAnnouncement.items ?? [])
 
 const showMobileAnnouncementBanner = computed(() => {
+  if (!props.withAnnouncement) return false
   if (props.mobileAnnouncement.show === false) return false
   return mobileAnnouncementItems.value.length > 0
 })
diff --git a/src/stores/loginAnnouncements.ts b/src/composables/useLoginAnnouncements.ts
similarity index 83%
rename from src/stores/loginAnnouncements.ts
rename to src/composables/useLoginAnnouncements.ts
index bf246ec..8239cdc 100644
--- a/src/stores/loginAnnouncements.ts
+++ b/src/composables/useLoginAnnouncements.ts
@@ -1,5 +1,4 @@
-import { defineStore } from 'pinia'
-import { computed, ref, watch } from 'vue'
+import { computed, ref, toValue, watch, type MaybeRefOrGetter } from 'vue'
 
 export interface LoginAnnouncementItem {
   id: string | number
@@ -25,6 +24,10 @@ export interface LoginMobileAnnouncementItem {
   createdAt?: string
 }
 
+interface UseLoginAnnouncementsOptions {
+  enabled: MaybeRefOrGetter<boolean>
+}
+
 const storageKey = 'sk_playground_login_announcements'
 
 const defaultItems: LoginAnnouncementItem[] = [
@@ -110,10 +113,11 @@ async function mockFetchMobileAnnouncementsApi(): Promise<LoginMobileAnnouncemen
   ]
 }
 
-export const useLoginAnnouncementsStore = defineStore('loginAnnouncements', () => {
-  const items = ref<LoginAnnouncementItem[]>(readItems())
+export function useLoginAnnouncements(options: UseLoginAnnouncementsOptions) {
+  const items = ref<LoginAnnouncementItem[]>([])
   const selectedId = ref<string | number | null>(null)
   const mobileAnnouncements = ref<LoginMobileAnnouncementItem[]>([])
+  const enabled = computed(() => toValue(options.enabled))
 
   const listItems = computed<LoginAnnouncementListItem[]>(() =>
     items.value.map((item) => ({
@@ -132,8 +136,8 @@ export const useLoginAnnouncementsStore = defineStore('loginAnnouncements', () =
       { label: '國中', value: 'junior' },
       { label: '高中', value: 'senior' },
     ],
-    items: listItems.value,
-    systemAnnouncements: mobileAnnouncements.value,
+    items: enabled.value ? listItems.value : [],
+    systemAnnouncements: enabled.value ? mobileAnnouncements.value : [],
     itemsPerPage: 5,
     dateHeader: '公告時間',
     schoolHeader: '公告學校',
@@ -142,7 +146,7 @@ export const useLoginAnnouncementsStore = defineStore('loginAnnouncements', () =
   }))
 
   const selectedAnnouncement = computed(() => {
-    if (selectedId.value === null) return null
+    if (!enabled.value || selectedId.value === null) return null
     return items.value.find((item) => item.id === selectedId.value) ?? null
   })
 
@@ -151,59 +155,54 @@ export const useLoginAnnouncementsStore = defineStore('loginAnnouncements', () =
   })
 
   const mobileAnnouncementConfig = computed(() => ({
-    items: mobileAnnouncements.value,
-    show: mobileAnnouncements.value.length > 0,
+    items: enabled.value ? mobileAnnouncements.value : [],
+    show: enabled.value && mobileAnnouncements.value.length > 0,
     viewAllText: '查看全部',
     listTitle: '系統公告',
     closeText: '關閉',
     emptyText: '目前沒有公告',
   }))
 
-  const hydrate = () => {
+  function hydrate() {
+    if (!enabled.value) return
+
     items.value = readItems()
   }
 
-  const replaceAll = (nextItems: LoginAnnouncementItem[]) => {
-    items.value = Array.isArray(nextItems) ? nextItems : []
-  }
+  async function fetchMobileAnnouncements() {
+    if (!enabled.value) return
 
-  const selectById = (id: string | number) => {
-    selectedId.value = id
-  }
-
-  const clearSelection = () => {
-    selectedId.value = null
-  }
-
-  const fetchMobileAnnouncements = async () => {
     const result = await mockFetchMobileAnnouncementsApi()
     mobileAnnouncements.value = Array.isArray(result) ? result : []
   }
 
-  const fetchMobileAnnouncement = async () => {
+  async function load() {
+    hydrate()
     await fetchMobileAnnouncements()
   }
 
+  function selectById(id: string | number) {
+    if (!enabled.value) return
+
+    selectedId.value = id
+  }
+
   watch(
     items,
     (val) => {
+      if (!enabled.value) return
+
       writeItems(val)
     },
     { deep: true }
   )
 
   return {
-    items,
-    listItems,
     boardConfig,
     mobileAnnouncementConfig,
     selectedAnnouncement,
     selectedAnnouncementDetail,
-    hydrate,
-    replaceAll,
+    load,
     selectById,
-    clearSelection,
-    fetchMobileAnnouncements,
-    fetchMobileAnnouncement,
   }
-})
+}
diff --git a/src/views/Login.vue b/src/views/Login.vue
index d5837da..1c4b861 100644
--- a/src/views/Login.vue
+++ b/src/views/Login.vue
@@ -8,6 +8,7 @@
     :layout="formPositionLayout"
     :mobile-announcement="mobileAnnouncement"
     :toolbar="toolbar"
+    :with-announcement="withAnnouncement"
     @captcha-change="handleCaptchaChange"
     @captcha-refresh="handleCaptchaRefresh"
     @change-locale="handleChangeLocale"
@@ -52,18 +53,17 @@
 </template>
 
 <script setup lang="ts">
-import { storeToRefs } from 'pinia'
 import { computed, onMounted, ref } from 'vue'
 import { useI18n } from 'vue-i18n'
 import { useRoute, useRouter } from 'vue-router'
 import HyakkaouAcademyImage from '@/assets/logo.png'
 import PageLogin from '@/components/PageLogin.vue'
-import { useLoginCaptcha } from '@/composables/useLoginCaptcha'
-import { useAuthStore } from '@/stores/auth'
 import {
   type LoginAnnouncementListItem,
-  useLoginAnnouncementsStore,
-} from '@/stores/loginAnnouncements'
+  useLoginAnnouncements,
+} from '@/composables/useLoginAnnouncements'
+import { useLoginCaptcha } from '@/composables/useLoginCaptcha'
+import { useAuthStore } from '@/stores/auth'
 import { useMenuStore } from '@/stores/menu'
 import { useSnackbarStore } from '@/stores/snackbar'
 
@@ -74,15 +74,8 @@ const { t, locale } = useI18n()
 const router = useRouter()
 const route = useRoute()
 const authStore = useAuthStore()
-const loginAnnouncementsStore = useLoginAnnouncementsStore()
 const menuStore = useMenuStore()
 const snackbarStore = useSnackbarStore()
-const {
-  boardConfig: announcementBoard,
-  mobileAnnouncementConfig: mobileAnnouncement,
-  selectedAnnouncement,
-  selectedAnnouncementDetail,
-} = storeToRefs(loginAnnouncementsStore)
 
 // 語系選項
 const locales = ['zh-TW', 'en-US']
@@ -92,10 +85,19 @@ const illustrationImage = ref(HyakkaouAcademyImage)
 
 // 功能開關與版型
 const formPositionLayout = ref<LayoutType>('side-left')
+// 是否啟用公告
+const withAnnouncement = ref(true)
 
 // 功能開關：是否啟用驗證碼
 const withCaptcha = ref(true)
 const loginCaptcha = useLoginCaptcha({ enabled: withCaptcha })
+const loginAnnouncements = useLoginAnnouncements({ enabled: withAnnouncement })
+const {
+  boardConfig: announcementBoard,
+  mobileAnnouncementConfig: mobileAnnouncement,
+  selectedAnnouncement,
+  selectedAnnouncementDetail,
+} = loginAnnouncements
 
 // 文字內容（i18n）
 const title = computed(() => t('pages.login.title'))
@@ -200,7 +202,7 @@ function handleToggleLayout() {
 }
 
 function handleSelectAnnouncement(item: LoginAnnouncementListItem) {
-  loginAnnouncementsStore.selectById(item.id)
+  loginAnnouncements.selectById(item.id)
   announcementDialogVisible.value = true
 }
 
@@ -252,8 +254,7 @@ async function onLogin(data: Record<string, unknown>) {
 }
 
 onMounted(() => {
-  loginAnnouncementsStore.hydrate()
-  loginAnnouncementsStore.fetchMobileAnnouncements()
+  void loginAnnouncements.load()
   void loginCaptcha.loadCaptcha().catch(() => undefined)
 })
 </script>