diff --git a/src/App.vue b/src/App.vue
index e656719..aadd8ea 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -4,6 +4,9 @@
     <UpdateChecker v-if="!isDev && isElectronEnv && !updateReady" @ready="updateReady = true" />
 
     <template v-else>
+        <!-- 滚动通知栏（登录页和工作台都显示） -->
+        <NoticeBar />
+
         <!-- 登录页面 -->
         <LoginPage v-if="currentPage === 'login'" @login-success="currentPage = 'browser'" class="animate-fadeIn" />
 
@@ -38,6 +41,8 @@ import ConfigPage from './pages/ConfigPage.vue'
 import UpdateChecker from './pages/UpdateChecker.vue'
 import WorkbenchLayout from './layout/WorkbenchLayout.vue'
 import UpdateNotification from './components/UpdateNotification.vue'
+import NoticeBar from './components/NoticeBar.vue'
+import { useNoticeStore } from './stores/noticeStore'
 
 // Constants
 const USER_KEY = 'user_data'
@@ -57,6 +62,10 @@ const automationLogs = ref([])
 const isElectronEnv = isElectron()
 const isDev = window.location.port === '5173'
 
+// 公告通知
+const noticeStore = useNoticeStore()
+noticeStore.fetchNotices()
+
 // Lifecycle
 onMounted(() => {
     // Set Title
diff --git a/src/api/notice.js b/src/api/notice.js
new file mode 100644
index 0000000..aa332c8
--- /dev/null
+++ b/src/api/notice.js
@@ -0,0 +1,6 @@
+import { getAxios } from '@/utils/axios.js'
+
+// 获取当前生效的公告列表
+export function getActiveNotices() {
+    return getAxios({ url: '/api/notice/active' })
+}
diff --git a/src/components/NoticeBar.vue b/src/components/NoticeBar.vue
new file mode 100644
index 0000000..cc3263f
--- /dev/null
+++ b/src/components/NoticeBar.vue
@@ -0,0 +1,249 @@
+<template>
+    <div v-if="activeNotices.length > 0"
+        :class="['notice-bar', `notice-bar--${currentNotice.type || 'info'}`]">
+        <!-- 图标 -->
+        <span class="material-icons-round notice-bar__icon">campaign</span>
+
+        <!-- 滚动内容区域 -->
+        <div class="notice-bar__content" ref="wrapRef">
+            <div class="notice-bar__text" ref="textRef" :style="animationStyle">
+                {{ currentNotice.content }}
+            </div>
+        </div>
+
+        <!-- 多条公告时显示计数 -->
+        <span v-if="activeNotices.length > 1" class="notice-bar__count">
+            {{ currentIndex + 1 }}/{{ activeNotices.length }}
+        </span>
+
+        <!-- 关闭按钮 -->
+        <button v-if="closable" class="notice-bar__close" @click="handleClose"
+            :title="t('notice.close')">
+            <span class="material-icons-round text-base">close</span>
+        </button>
+    </div>
+</template>
+
+<script setup>
+import { ref, computed, watch, onMounted, onUnmounted, nextTick } from 'vue'
+import { useI18n } from 'vue-i18n'
+import { useNoticeStore } from '@/stores/noticeStore'
+
+const props = defineProps({
+    speed: { type: Number, default: 50 }, // 滚动速度 px/s
+    closable: { type: Boolean, default: true },
+})
+
+const { t } = useI18n()
+const noticeStore = useNoticeStore()
+
+const activeNotices = computed(() => noticeStore.activeNotices)
+
+// 当前显示的公告索引（多条轮播）
+const currentIndex = ref(0)
+const currentNotice = computed(() => activeNotices.value[currentIndex.value] || {})
+
+// 滚动动画
+const wrapRef = ref(null)
+const textRef = ref(null)
+const animationDuration = ref(10)
+const needScroll = ref(false)
+
+const animationStyle = computed(() => {
+    if (!needScroll.value) return {}
+    return {
+        animationDuration: `${animationDuration.value}s`,
+    }
+})
+
+// 计算文本是否需要滚动
+const calculateScroll = async () => {
+    await nextTick()
+    if (!wrapRef.value || !textRef.value) return
+
+    const wrapWidth = wrapRef.value.offsetWidth
+    const textWidth = textRef.value.scrollWidth
+
+    if (textWidth > wrapWidth) {
+        needScroll.value = true
+        // 基于文本宽度和速度计算持续时间
+        animationDuration.value = (textWidth + wrapWidth) / props.speed
+    } else {
+        needScroll.value = false
+    }
+}
+
+// 多条公告自动轮播
+let rotateTimer = null
+
+const startRotate = () => {
+    stopRotate()
+    if (activeNotices.value.length <= 1) return
+
+    rotateTimer = setInterval(() => {
+        currentIndex.value = (currentIndex.value + 1) % activeNotices.value.length
+    }, 8000) // 每 8 秒切换
+}
+
+const stopRotate = () => {
+    if (rotateTimer) {
+        clearInterval(rotateTimer)
+        rotateTimer = null
+    }
+}
+
+// 关闭当前公告
+const handleClose = () => {
+    const notice = currentNotice.value
+    if (notice && notice.id) {
+        noticeStore.dismissNotice(notice.id)
+        // 调整索引
+        if (currentIndex.value >= activeNotices.value.length) {
+            currentIndex.value = 0
+        }
+    }
+}
+
+// 监听公告变化重新计算
+watch(currentNotice, () => {
+    needScroll.value = false
+    calculateScroll()
+}, { flush: 'post' })
+
+watch(() => activeNotices.value.length, (len) => {
+    if (len > 1) {
+        startRotate()
+    } else {
+        stopRotate()
+    }
+})
+
+onMounted(() => {
+    calculateScroll()
+    if (activeNotices.value.length > 1) {
+        startRotate()
+    }
+})
+
+onUnmounted(() => {
+    stopRotate()
+})
+</script>
+
+<style scoped>
+.notice-bar {
+    display: flex;
+    align-items: center;
+    padding: 0 16px;
+    height: 44px;
+    font-size: 15px;
+    line-height: 44px;
+    flex-shrink: 0;
+}
+
+/* 类型样式 */
+.notice-bar--info {
+    background-color: #eff6ff;
+    color: #1e40af;
+}
+
+.notice-bar--info .notice-bar__icon {
+    color: #3b82f6;
+}
+
+.notice-bar--warning {
+    background-color: #fffbeb;
+    color: #92400e;
+}
+
+.notice-bar--warning .notice-bar__icon {
+    color: #f59e0b;
+}
+.notice-bar--danger {
+    background-color: rgb(253, 220, 220);
+    color: #f15252;
+}
+
+.notice-bar--danger .notice-bar__icon {
+    color: #ff0000;
+}
+.notice-bar--urgent {
+    background-color: #fef2f2;
+    color: #991b1b;
+}
+
+.notice-bar--urgent .notice-bar__icon {
+    color: #ef4444;
+}
+
+/* 图标 */
+.notice-bar__icon {
+    font-size: 22px;
+    margin-right: 10px;
+    flex-shrink: 0;
+}
+
+/* 内容区域 */
+.notice-bar__content {
+    flex: 1;
+    overflow: hidden;
+    white-space: nowrap;
+    position: relative;
+}
+
+.notice-bar__text {
+    display: inline-block;
+    white-space: nowrap;
+}
+
+/* 需要滚动时添加动画类 */
+.notice-bar__content .notice-bar__text {
+    animation: none;
+}
+
+.notice-bar__text[style*="animationDuration"] {
+    animation-name: noticeScroll;
+    animation-timing-function: linear;
+    animation-iteration-count: infinite;
+    padding-left: 100%;
+}
+
+@keyframes noticeScroll {
+    0% {
+        transform: translateX(0);
+    }
+    100% {
+        transform: translateX(-100%);
+    }
+}
+
+/* 计数 */
+.notice-bar__count {
+    font-size: 13px;
+    opacity: 0.7;
+    margin-left: 10px;
+    flex-shrink: 0;
+}
+
+/* 关闭按钮 */
+.notice-bar__close {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    margin-left: 10px;
+    padding: 4px;
+    border: none;
+    background: none;
+    cursor: pointer;
+    opacity: 0.6;
+    color: inherit;
+    border-radius: 4px;
+    flex-shrink: 0;
+    transition: opacity 0.2s;
+}
+
+.notice-bar__close:hover {
+    opacity: 1;
+    background-color: rgba(0, 0, 0, 0.06);
+}
+</style>
diff --git a/src/locales/en.js b/src/locales/en.js
index a4926f1..084398a 100644
--- a/src/locales/en.js
+++ b/src/locales/en.js
@@ -206,6 +206,9 @@ export default {
         TC: "Turks and Caicos Islands", TD: "Chad", TF: "French Southern Territories", TG: "Togo", TH: "Thailand", TJ: "Tajikistan", TK: "Tokelau", TL: "Timor-Leste", TM: "Turkmenistan", TN: "Tunisia", TO: "Tonga", TR: "Turkey", TT: "Trinidad and Tobago", TV: "Tuvalu", TW: "Taiwan", TZ: "Tanzania", UA: "Ukraine", UG: "Uganda", UM: "United States Minor Outlying Islands", US: "United States", UY: "Uruguay", UZ: "Uzbekistan",
         VA: "Vatican City", VC: "Saint Vincent and the Grenadines", VE: "Venezuela", VG: "British Virgin Islands", VI: "U.S. Virgin Islands", VN: "Vietnam", VN1: "Vietnam", VU: "Vanuatu", WS: "Samoa", YE: "Yemen", YT: "Mayotte", ZA: "South Africa", ZM: "Zambia", ZW: "Zimbabwe"
     },
+    notice: {
+        close: 'Close notice',
+    },
     // PK Mini module translations
     pkMini: {
         // Navigation
diff --git a/src/locales/zh.js b/src/locales/zh.js
index 6410c99..bc838df 100644
--- a/src/locales/zh.js
+++ b/src/locales/zh.js
@@ -186,6 +186,9 @@ export default {
     countries: {
         AD: "安道尔", AE: "阿拉伯联合酋长国", AF: "阿富汗", AG: "安提瓜和巴布达", AI: "安圭拉", AL: "阿尔巴尼亚", AM: "亚美尼亚", AO: "安哥拉", AQ: "南极洲", AR: "阿根廷", AS: "美属萨摩亚", AT: "奥地利", AU: "澳大利亚", AU1: "澳大利亚", AW: "阿鲁巴", AX: "奥兰群岛", AZ: "阿塞拜疆",
     },
+    notice: {
+        close: '关闭通知',
+    },
     // PK Mini 模块翻译
     pkMini: {
         // 导航
diff --git a/src/stores/noticeStore.js b/src/stores/noticeStore.js
new file mode 100644
index 0000000..47fd93e
--- /dev/null
+++ b/src/stores/noticeStore.js
@@ -0,0 +1,78 @@
+import { defineStore } from 'pinia'
+import { ref, computed } from 'vue'
+import { getActiveNotices } from '@/api/notice'
+
+export const useNoticeStore = defineStore('notice', () => {
+  // 状态
+  const notices = ref([])
+  const isLoading = ref(false)
+  const dismissedIds = ref([]) // 当前会话已关闭的公告 ID
+  const lastFetchTime = ref(null)
+  const useMock = ref(true) // 后台接口就绪后改为 false
+
+  // 过滤已关闭公告后的有效列表
+  const activeNotices = computed(() =>
+    notices.value.filter(n => !dismissedIds.value.includes(n.id))
+  )
+
+  // 是否有可显示的公告
+  const hasNotices = computed(() => activeNotices.value.length > 0)
+
+  /**
+   * 从后台拉取公告
+   */
+  const fetchNotices = async () => {
+    if (isLoading.value) return
+    if (useMock.value) {
+      loadMockNotices()
+      return
+    }
+
+    isLoading.value = true
+    try {
+      const res = await getActiveNotices()
+      if (res && res.data) {
+        notices.value = res.data
+        lastFetchTime.value = Date.now()
+      }
+    } catch (error) {
+      console.error('[NoticeStore] 获取公告失败:', error)
+    } finally {
+      isLoading.value = false
+    }
+  }
+
+  /**
+   * 关闭某条公告（仅当前会话生效）
+   */
+  const dismissNotice = (id) => {
+    if (!dismissedIds.value.includes(id)) {
+      dismissedIds.value.push(id)
+    }
+  }
+
+  /**
+   * 加载 Mock 数据（后台接口未就绪时使用）
+   */
+  const loadMockNotices = () => {
+    notices.value = [
+      { id: 1, content: '欢迎使用 Yolo 系统，如有问题请联系管理员。', type: 'info' },
+      { id: 2, content: '系统将于本周六凌晨 2:00-4:00 进行维护升级，届时服务将暂停，请提前做好安排。', type: 'warning' },
+    ]
+    lastFetchTime.value = Date.now()
+  }
+
+  return {
+    // 状态
+    notices,
+    activeNotices,
+    hasNotices,
+    isLoading,
+    useMock,
+
+    // 方法
+    fetchNotices,
+    dismissNotice,
+    loadMockNotices,
+  }
+})