diff --git a/permission_list.txt b/permission_list.txt
index 2596644..f298ebf 100644
--- a/permission_list.txt
+++ b/permission_list.txt
@@ -52,6 +52,11 @@ system.roles.add                  # 角色权限-新增（筛选栏中的"新增
 system.roles.edit                 # 角色权限-编辑（表格操作列中的"编辑"按钮）
 system.roles.delete               # 角色权限-删除（表格操作列中的"删除"按钮，红色危险样式）
 
+system.notices.view               # 公告管理-查看（页面默认查看权限）
+system.notices.add                # 公告管理-新增（筛选栏中的"新增"按钮）
+system.notices.edit               # 公告管理-编辑（表格操作列中的"修改"按钮）
+system.notices.delete             # 公告管理-删除（表格操作列中的"删除"按钮，红色危险样式）
+
 system.logs.view                  # 操作日志-查看（页面默认查看权限，无操作列按钮）
 
 system.params.view                # 参数配置-查看
diff --git a/src/api/notices/index.ts b/src/api/notices/index.ts
new file mode 100644
index 0000000..3e2e884
--- /dev/null
+++ b/src/api/notices/index.ts
@@ -0,0 +1,54 @@
+/**
+ * 公告管理 API
+ */
+import { get, post } from '@/utils/request';
+import type {
+  NoticeListQueryParams,
+  NoticeSaveParams,
+  NoticeVO,
+  PageData,
+  ApiResult,
+} from './types';
+
+export type {
+  NoticeType,
+  NoticeVO,
+  NoticeListQueryParams,
+  NoticeSaveParams,
+  PageData,
+  ApiResult,
+} from './types';
+
+// ============================================================
+// URL 常量
+// ============================================================
+const ANNOUNCEMENT_PAGE = '/admin/sys/announcement/page';
+const ANNOUNCEMENT_SAVE = '/admin/sys/announcement/save';
+const ANNOUNCEMENT_UPDATE = '/admin/sys/announcement/update';
+const ANNOUNCEMENT_DELETE = '/admin/sys/announcement/delete';
+
+// ============================================================
+// API 函数
+// ============================================================
+
+/** 公告列表分页 — GET /admin/sys/announcement/page */
+export function getNoticeList(
+  params: NoticeListQueryParams,
+): Promise<ApiResult<PageData<NoticeVO>>> {
+  return get(ANNOUNCEMENT_PAGE, params as Record<string, any>);
+}
+
+/** 新增公告 — POST /admin/sys/announcement/save */
+export function saveNotice(params: NoticeSaveParams): Promise<ApiResult<null>> {
+  return post(ANNOUNCEMENT_SAVE, params);
+}
+
+/** 修改公告 — POST /admin/sys/announcement/update */
+export function updateNotice(params: NoticeSaveParams): Promise<ApiResult<null>> {
+  return post(ANNOUNCEMENT_UPDATE, params);
+}
+
+/** 删除公告（物理删除，单个）— POST /admin/sys/announcement/delete?id=xxx */
+export function deleteNotice(id: number): Promise<ApiResult<null>> {
+  return post(ANNOUNCEMENT_DELETE, undefined, { id: String(id) });
+}
diff --git a/src/api/notices/types.ts b/src/api/notices/types.ts
new file mode 100644
index 0000000..1cc43a7
--- /dev/null
+++ b/src/api/notices/types.ts
@@ -0,0 +1,60 @@
+/**
+ * 公告管理 - 类型定义
+ */
+
+/** 公告类型：1=首页公告提示，2=产品更新公告 */
+export type NoticeType = 1 | 2;
+
+/** 公告 VO */
+export interface NoticeVO {
+  /** 公告 ID */
+  id: number;
+  /** 标题（最多 30 字） */
+  title: string;
+  /** 公告类型：1=首页公告提示，2=产品更新公告 */
+  type: number;
+  /** 公告类型名称 */
+  typeName: string;
+  /** 生效开始时间（YYYY-MM-DD HH:mm:ss） */
+  startTime: string;
+  /** 生效结束时间（YYYY-MM-DD HH:mm:ss） */
+  endTime: string;
+  /** 公告内容（纯文本，最多 500 字） */
+  context: string;
+  /** 创建时间 */
+  createDate: string;
+}
+
+/** 公告列表分页查询参数 */
+export interface NoticeListQueryParams {
+  page: string;
+  limit: string;
+  /** 标题，模糊搜索 */
+  title?: string;
+  /** 公告类型 */
+  type?: number;
+}
+
+/** 新增/修改公告参数（id：新增不传或为 0，修改必传） */
+export interface NoticeSaveParams {
+  id?: number;
+  title: string;
+  type: number;
+  startTime: string;
+  endTime: string;
+  context: string;
+}
+
+/** 分页数据结构 */
+export interface PageData<T> {
+  total: number;
+  list: T[];
+  exData?: Record<string, any>;
+}
+
+/** 接口通用返回结构 */
+export interface ApiResult<T> {
+  code: number;
+  msg: string;
+  data: T;
+}
diff --git a/src/config/fallbackRoutes.ts b/src/config/fallbackRoutes.ts
index 67eb757..c74f954 100644
--- a/src/config/fallbackRoutes.ts
+++ b/src/config/fallbackRoutes.ts
@@ -164,6 +164,17 @@ export const FALLBACK_MENU_NODES: MenuNode[] = [
         icon: 'AiOutlineSafetyCertificate',
         permission: 'system.roles.view',
       },
+      {
+        // 公告管理：后端 /op/permission 尚未下发 system.notices.view 权限码，
+        // 暂不挂 permission（否则整条菜单会被权限过滤掉）；后端配置后可在下方补回
+        // permission: 'system.notices.view',
+        id: 'system_notices',
+        name: '公告管理',
+        path: 'system/notices',
+        component: 'system/notices',
+        componentName: 'SystemNotices',
+        icon: 'AiOutlineSound',
+      },
       {
         id: 'system_params',
         name: '参数配置',
diff --git a/src/pages/events/list/index.tsx b/src/pages/events/list/index.tsx
index 368d81a..e08c84f 100644
--- a/src/pages/events/list/index.tsx
+++ b/src/pages/events/list/index.tsx
@@ -223,11 +223,14 @@ export default defineComponent({
             </Form.Item>
             <Form.Item label="状态" name="status">
               <Select
+                mode="multiple"
                 value={filterForm.status}
                 options={EVENT_STATUS_OPTIONS as any}
-                style={{ width: '150px' }}
+                style={{ width: '240px' }}
+                placeholder="全部"
+                maxTagCount={2}
                 allowClear
-                onUpdate:value={(val: any) => (filterForm.status = val || '')}
+                onUpdate:value={(val: any) => (filterForm.status = val || [])}
               />
             </Form.Item>
             <Form.Item label="公开活动" name="isPublic">
diff --git a/src/pages/events/list/model/config.ts b/src/pages/events/list/model/config.ts
index a755b67..a49809d 100644
--- a/src/pages/events/list/model/config.ts
+++ b/src/pages/events/list/model/config.ts
@@ -10,7 +10,8 @@ export const FILTER_DEFAULTS = {
   startDateRange: null as [string, string] | null,
   name: '',
   createName: '',
-  status: '',
+  // 状态多选：默认选中「报名中(0)」「进行中(1)」
+  status: ['0', '1'] as string[],
   region: [] as string[],
   isPublic: '',
   idCardNo: '',
@@ -28,7 +29,8 @@ export type FieldMapping = [
 export const FIELD_MAPPINGS: FieldMapping[] = [
   ['name', 'name', (v) => v?.trim?.() ?? v],
   ['createName', 'createName', (v) => v?.trim?.() ?? v],
-  ['status', 'status'],
+  // 多选数组拼成逗号串传给后端，如 "0,1"
+  ['status', 'status', (v) => (Array.isArray(v) ? v.join(',') : v)],
   ['isPublic', 'isPublic'],
   ['idCardNo', 'idCardNo'],
   ['idCardImg', 'idCardImg'],
@@ -41,9 +43,8 @@ export const FIELD_MAPPINGS: FieldMapping[] = [
   ['scEnd', 'scEnd'],
 ];
 
-/** 赛事状态选项（value 对应 API status） */
+/** 赛事状态选项（多选，value 对应 API status；不选即全部） */
 export const EVENT_STATUS_OPTIONS = [
-  { value: '', label: '全部' },
   { value: '0', label: '报名中' },
   { value: '1', label: '进行中' },
   { value: '2', label: '已结束' },
diff --git a/src/pages/events/list/model/useEventListModel.ts b/src/pages/events/list/model/useEventListModel.ts
index f84af3f..6218d72 100644
--- a/src/pages/events/list/model/useEventListModel.ts
+++ b/src/pages/events/list/model/useEventListModel.ts
@@ -88,7 +88,7 @@ export function useEventListModel() {
       !!f.startDateRange ||
       !!debouncedName.value?.trim() ||
       !!debouncedCreator.value?.trim() ||
-      !!f.status ||
+      (Array.isArray(f.status) ? f.status.length > 0 : !!f.status) ||
       f.region.length > 0 ||
       !!f.isPublic ||
       !!f.idCardNo ||
diff --git a/src/pages/system/notices/components/NoticeFormModal.module.less b/src/pages/system/notices/components/NoticeFormModal.module.less
new file mode 100644
index 0000000..0ad9c87
--- /dev/null
+++ b/src/pages/system/notices/components/NoticeFormModal.module.less
@@ -0,0 +1,18 @@
+.noticeFormModalMain {
+  .form {
+    :global {
+      .ant-form-item {
+        margin-bottom: 16px;
+      }
+    }
+  }
+
+  .footer {
+    display: flex;
+    justify-content: flex-end;
+    gap: 8px;
+    padding-top: 16px;
+    border-top: 1px solid #f0f0f0;
+    margin-top: 8px;
+  }
+}
diff --git a/src/pages/system/notices/components/NoticeFormModal.tsx b/src/pages/system/notices/components/NoticeFormModal.tsx
new file mode 100644
index 0000000..dff6891
--- /dev/null
+++ b/src/pages/system/notices/components/NoticeFormModal.tsx
@@ -0,0 +1,216 @@
+import { defineComponent, ref, reactive, nextTick } from 'vue';
+import { useEffect } from '@/hooks';
+import { Modal, Form, Input, Select, DatePicker, Button, message } from 'ant-design-vue';
+import dayjs, { type Dayjs } from 'dayjs';
+import { NOTICE_TYPE_OPTIONS } from '../model/useNoticeModel';
+import { getNoticeList, type NoticeVO } from '../model/services';
+import {
+  TITLE_MAX,
+  CONTENT_MAX,
+  SUBMIT_TIME_FORMAT,
+  typeRules,
+  timeRangeRules,
+  titleRules,
+  contextRules,
+  isTimeRangeConflict,
+} from '../model/form';
+import styles from './NoticeFormModal.module.less';
+
+const { RangePicker } = DatePicker;
+const { TextArea } = Input;
+
+interface NoticeFormModalProps {
+  visible: boolean;
+  record: NoticeVO | null;
+  submitting?: boolean;
+  onClose: () => void;
+  onSave: (formData: any) => void;
+}
+
+/** 默认表单数据 */
+const getDefaultForm = () => ({
+  type: 1 as number,
+  timeRange: null as [Dayjs, Dayjs] | null,
+  title: '',
+  context: '',
+});
+
+export default defineComponent({
+  name: 'NoticeFormModal',
+  props: {
+    visible: { type: Boolean, default: false },
+    record: { type: Object as () => NoticeVO | null, default: null },
+    submitting: { type: Boolean, default: false },
+    onClose: { type: Function, required: true },
+    onSave: { type: Function, required: true },
+  },
+  setup(props: NoticeFormModalProps) {
+    const formRef = ref<any>();
+    const formData = reactive(getDefaultForm());
+    /** 生效时间交叉校验中 */
+    const timeRangeChecking = ref(false);
+
+    /** 根据 record 初始化表单 */
+    const initFormFromRecord = (record: NoticeVO | null) => {
+      if (!record) {
+        Object.assign(formData, getDefaultForm());
+        return;
+      }
+      const startTime = record.startTime ? dayjs(record.startTime) : null;
+      const endTime = record.endTime ? dayjs(record.endTime) : null;
+      Object.assign(formData, {
+        type: record.type || 1,
+        timeRange: startTime?.isValid() && endTime?.isValid() ? [startTime, endTime] : null,
+        title: record.title || '',
+        context: record.context || '',
+      });
+    };
+
+    /** 监听 visible 变化重置表单 */
+    useEffect(() => {
+      if (props.visible) {
+        initFormFromRecord(props.record);
+        nextTick().then(() => formRef.value?.clearValidate());
+      }
+    }, [() => props.visible]);
+
+    /**
+     * 生效时间交叉校验：同一类型下，时间区间不允许与已存在公告交叉
+     * 校验通过返回 true
+     */
+    const validateTimeRange = async (startTime: Dayjs, endTime: Dayjs): Promise<boolean> => {
+      timeRangeChecking.value = true;
+      try {
+        const res = await getNoticeList({ page: '1', limit: '999', type: formData.type });
+        if (res.code != 200) return true;
+
+        const editingId = props.record ? String(props.record.id) : '';
+        const conflictNotice = (res.data?.list || []).find(
+          (item) =>
+            String(item.id) !== editingId &&
+            isTimeRangeConflict(startTime, endTime, item.startTime, item.endTime),
+        );
+
+        if (conflictNotice) {
+          message.error(`生效时间与公告「${conflictNotice.title}」存在交叉，请重新选择`);
+          return false;
+        }
+        return true;
+      } catch {
+        // 查询失败不阻塞保存，交由后端二次校验
+        return true;
+      } finally {
+        timeRangeChecking.value = false;
+      }
+    };
+
+    /** 提交 */
+    const handleSubmit = async () => {
+      try {
+        await formRef.value?.validate();
+      } catch {
+        return;
+      }
+
+      const [startTime, endTime] = formData.timeRange || [];
+      if (!startTime || !endTime) return;
+
+      const isTimeRangeValid = await validateTimeRange(startTime, endTime);
+      if (!isTimeRangeValid) return;
+
+      props.onSave({
+        type: formData.type,
+        title: formData.title.trim(),
+        context: formData.context.trim(),
+        startTime: startTime.format(SUBMIT_TIME_FORMAT),
+        endTime: endTime.format(SUBMIT_TIME_FORMAT),
+      });
+    };
+
+    return () => {
+      const isEdit = !!props.record;
+
+      return (
+        <Modal
+          title={isEdit ? '编辑公告' : '新增公告'}
+          visible={props.visible}
+          onCancel={props.onClose}
+          width={560}
+          destroyOnClose
+          footer={null}
+          centered
+          wrapClassName={styles.noticeFormModalMain}
+          class={styles.modal}
+        >
+          <Form ref={formRef} layout="vertical" model={formData} class={styles.form} requiredMark>
+            {/* 类型 */}
+            <Form.Item label="类型" name="type" rules={typeRules}>
+              <Select
+                value={formData.type}
+                options={NOTICE_TYPE_OPTIONS as any}
+                placeholder="请选择"
+                onUpdate:value={(val: any) => (formData.type = val as number)}
+              />
+            </Form.Item>
+
+            {/* 生效时间 */}
+            <Form.Item label="生效时间" name="timeRange" rules={timeRangeRules}>
+              <RangePicker
+                showTime
+                format={SUBMIT_TIME_FORMAT}
+                value={formData.timeRange as any}
+                placeholder={['开始时间', '结束时间']}
+                style={{ width: '100%' }}
+                allowClear
+                onUpdate:value={(val: any) => {
+                  formData.timeRange = (val as [Dayjs, Dayjs]) || null;
+                  formRef.value?.clearValidate('timeRange');
+                }}
+              />
+            </Form.Item>
+
+            {/* 标题 */}
+            <Form.Item label="标题" name="title" rules={titleRules}>
+              <Input
+                value={formData.title}
+                placeholder="请输入公告标题"
+                maxlength={TITLE_MAX}
+                showCount
+                allowClear
+                onUpdate:value={(val: any) => {
+                  formData.title = val?.target?.value ?? val ?? '';
+                }}
+              />
+            </Form.Item>
+
+            {/* 内容 */}
+            <Form.Item label="内容" name="context" rules={contextRules}>
+              <TextArea
+                value={formData.context}
+                placeholder="请输入公告内容"
+                maxlength={CONTENT_MAX}
+                showCount
+                rows={6}
+                onUpdate:value={(val: any) => {
+                  formData.context = val?.target?.value ?? val ?? '';
+                }}
+              />
+            </Form.Item>
+          </Form>
+
+          {/* 底部按钮 */}
+          <div class={styles.footer}>
+            <Button onClick={props.onClose}>取消</Button>
+            <Button
+              type="primary"
+              loading={props.submitting || timeRangeChecking.value}
+              onClick={handleSubmit}
+            >
+              确定
+            </Button>
+          </div>
+        </Modal>
+      );
+    };
+  },
+});
diff --git a/src/pages/system/notices/index.tsx b/src/pages/system/notices/index.tsx
new file mode 100644
index 0000000..908b1d3
--- /dev/null
+++ b/src/pages/system/notices/index.tsx
@@ -0,0 +1,208 @@
+import { defineComponent } from 'vue';
+import { Button, Input, Table, Form, Space, Modal, Pagination } from 'ant-design-vue';
+import type { ModalProps } from 'ant-design-vue';
+import { useNoticeModel } from './model/useNoticeModel';
+import { formatEffectTime } from './model/form';
+import { useContainerSize } from '@/hooks';
+import { usePermissionStore } from '@/stores/permissionStore';
+import NoticeFormModal from './components/NoticeFormModal';
+import pageStyles from '@/assets/styles/pageLayout.module.less';
+
+/**
+ * bodyCell 渲染
+ */
+function renderBodyCell({
+  column,
+  text,
+  record,
+  onEdit,
+  onDelete,
+  permissions,
+}: {
+  column: any;
+  text: any;
+  record: any;
+  onEdit: (record: any) => void;
+  onDelete: (record: any) => void;
+  permissions: {
+    canEdit: boolean;
+    canDelete: boolean;
+  };
+}) {
+  const { canEdit, canDelete } = permissions;
+
+  return column.key === 'effectTime' ? (
+    // 生效时间：开始时间 至 结束时间
+    <span>{formatEffectTime(record.startTime, record.endTime)}</span>
+  ) : column.key === 'action' ? (
+    !canEdit && !canDelete ? (
+      <span>--</span>
+    ) : (
+      <Space>
+        {canEdit && (
+          <Button type="link" size="small" onClick={() => onEdit(record)}>
+            修改
+          </Button>
+        )}
+        {canDelete && (
+          <Button type="link" size="small" danger onClick={() => onDelete(record)}>
+            删除
+          </Button>
+        )}
+      </Space>
+    )
+  ) : (
+    <span>{text ?? '--'}</span>
+  );
+}
+
+/**
+ * 删除公告二次确认
+ */
+function confirmDelete({ record, onOk }: { record: any; onOk: (record: any) => void }) {
+  Modal.confirm({
+    title: '删除确认',
+    class: 'deleteConfirmModal',
+    content: `确认要删除“${record.title}”吗？`,
+    okText: '确认',
+    cancelText: '取消',
+    okButtonProps: { danger: true } as ModalProps['okButtonProps'],
+    onOk: () => onOk(record),
+  });
+}
+
+/**
+ * 系统管理 - 公告管理
+ */
+export default defineComponent({
+  name: 'SystemNotices',
+  setup() {
+    const {
+      filterForm,
+      loading,
+      dataSource,
+      columns,
+      pagination,
+      formVisible,
+      editingRecord,
+      formSubmitting,
+      handleSearch,
+      handleReset,
+      handlePageChange,
+      handleAdd,
+      handleEdit,
+      handleCloseForm,
+      handleSave,
+      handleDelete,
+    } = useNoticeModel();
+
+    const { containerRef, height } = useContainerSize();
+    const { hasPermission, hasAnyPermission } = usePermissionStore();
+
+    // 公告模块的权限码后端尚未配置时（/op/permission 未下发），按钮默认放行，
+    // 待后端下发任意一个 system.notices.* 权限码后自动切换为按码控制
+    const noticePermsConfigured = hasAnyPermission([
+      'system.notices.view',
+      'system.notices.add',
+      'system.notices.edit',
+      'system.notices.delete',
+    ]);
+    const canAdd = !noticePermsConfigured || hasPermission('system.notices.add');
+    const operationPermissions = {
+      canEdit: !noticePermsConfigured || hasPermission('system.notices.edit'),
+      canDelete: !noticePermsConfigured || hasPermission('system.notices.delete'),
+    };
+
+    const triggerDelete = (record: any) => confirmDelete({ record, onOk: handleDelete });
+
+    const tableColumns = [
+      ...columns,
+      {
+        title: '操作',
+        key: 'action',
+        width: 140,
+        fixed: 'right' as const,
+        align: 'center' as const,
+      },
+    ];
+
+    return () => (
+      <div class={pageStyles.containerMain}>
+        {/* ===== 筛选区 ===== */}
+        <div class={pageStyles.filter}>
+          <Form style={{ rowGap: '10px' }} layout="inline" model={filterForm}>
+            <Form.Item label="标题" name="title">
+              <Input
+                value={filterForm.title}
+                placeholder="请输入"
+                style={{ width: '200px' }}
+                allowClear
+                onUpdate:value={(val: any) => (filterForm.title = val?.target?.value ?? val ?? '')}
+                onPressEnter={handleSearch}
+              />
+            </Form.Item>
+            <Form.Item>
+              <Space>
+                <Button onClick={handleReset}>重置</Button>
+                <Button type="primary" onClick={handleSearch} loading={loading.value}>
+                  查询
+                </Button>
+                {canAdd && (
+                  <Button type="primary" onClick={handleAdd}>
+                    新增
+                  </Button>
+                )}
+              </Space>
+            </Form.Item>
+          </Form>
+        </div>
+
+        {/* ===== 表格区 ===== */}
+        <div class={pageStyles.table}>
+          <div ref={containerRef} class={pageStyles.tableBody}>
+            <Table
+              columns={tableColumns}
+              dataSource={dataSource.value}
+              loading={loading.value}
+              scroll={{ x: 'max-content', y: height.value }}
+              pagination={false}
+            >
+              {{
+                bodyCell: (args: any) =>
+                  renderBodyCell({
+                    ...args,
+                    onEdit: handleEdit,
+                    onDelete: triggerDelete,
+                    permissions: operationPermissions,
+                  }),
+              }}
+            </Table>
+          </div>
+
+          {/* 分页 */}
+          <div class={pageStyles.pagination}>
+            <Pagination
+              current={(pagination as any).current.value}
+              pageSize={(pagination as any).pageSize.value}
+              total={(pagination as any).total.value}
+              showSizeChanger
+              showTotal={(total: number) => `共 ${total} 条`}
+              onChange={handlePageChange}
+            />
+          </div>
+        </div>
+
+        {/* ===== 新增/编辑公告弹窗 ===== */}
+        {formVisible.value && (
+          <NoticeFormModal
+            visible={formVisible.value}
+            record={editingRecord.value}
+            submitting={formSubmitting.value}
+            onClose={handleCloseForm}
+            onSave={handleSave}
+          />
+        )}
+      </div>
+    );
+  },
+});
diff --git a/src/pages/system/notices/model/form.ts b/src/pages/system/notices/model/form.ts
new file mode 100644
index 0000000..d6b7d36
--- /dev/null
+++ b/src/pages/system/notices/model/form.ts
@@ -0,0 +1,68 @@
+/**
+ * 公告管理 - 表单校验规则 & 时间处理工具
+ */
+import dayjs, { type Dayjs } from 'dayjs';
+
+/** 标题最多字数 */
+export const TITLE_MAX = 30;
+/** 内容最多字数 */
+export const CONTENT_MAX = 500;
+
+/** 时间展示格式（精确到分钟） */
+export const DISPLAY_TIME_FORMAT = 'YYYY-MM-DD HH:mm';
+/** 提交接口的时间格式 */
+export const SUBMIT_TIME_FORMAT = 'YYYY-MM-DD HH:mm:ss';
+
+/** 公告类型校验 */
+export const typeRules = [
+  { required: true, message: '请选择公告类型', trigger: 'change' as const },
+];
+
+/** 生效时间校验（开始 + 结束） */
+export const timeRangeRules = [
+  {
+    required: true,
+    type: 'array' as const,
+    min: 2,
+    message: '请选择生效时间',
+    trigger: 'change' as const,
+  },
+];
+
+/** 标题校验 */
+export const titleRules = [
+  { required: true, whitespace: true, message: '请输入公告标题', trigger: 'blur' as const },
+  { max: TITLE_MAX, message: `最多可输入${TITLE_MAX}字`, trigger: 'blur' as const },
+];
+
+/** 内容校验 */
+export const contextRules = [
+  { required: true, whitespace: true, message: '请输入公告内容', trigger: 'blur' as const },
+  { max: CONTENT_MAX, message: `最多可输入${CONTENT_MAX}字`, trigger: 'blur' as const },
+];
+
+/** 将时间字符串格式化为展示格式（解析失败时原样返回） */
+export function formatDisplayTime(value?: string): string {
+  if (!value) return '--';
+  const parsedTime = dayjs(value);
+  return parsedTime.isValid() ? parsedTime.format(DISPLAY_TIME_FORMAT) : value;
+}
+
+/** 列表「生效时间」列：开始时间 至 结束时间 */
+export function formatEffectTime(startTime?: string, endTime?: string): string {
+  if (!startTime && !endTime) return '--';
+  return `${formatDisplayTime(startTime)} 至 ${formatDisplayTime(endTime)}`;
+}
+
+/** 判断两个时间区间是否交叉（首尾相接不算交叉） */
+export function isTimeRangeConflict(
+  start: Dayjs,
+  end: Dayjs,
+  otherStart?: string,
+  otherEnd?: string,
+): boolean {
+  const otherStartTime = dayjs(otherStart);
+  const otherEndTime = dayjs(otherEnd);
+  if (!otherStartTime.isValid() || !otherEndTime.isValid()) return false;
+  return start.isBefore(otherEndTime) && otherStartTime.isBefore(end);
+}
diff --git a/src/pages/system/notices/model/services.ts b/src/pages/system/notices/model/services.ts
new file mode 100644
index 0000000..143c961
--- /dev/null
+++ b/src/pages/system/notices/model/services.ts
@@ -0,0 +1,13 @@
+/**
+ * 公告管理 - 接口服务
+ * 该页面使用的所有接口集中管理（统一收敛到 @/api/notices）
+ */
+export { getNoticeList, saveNotice, updateNotice, deleteNotice } from '@/api/notices';
+
+export type {
+  NoticeVO,
+  NoticeListQueryParams,
+  NoticeSaveParams,
+  PageData,
+  ApiResult,
+} from '@/api/notices';
diff --git a/src/pages/system/notices/model/useNoticeModel.ts b/src/pages/system/notices/model/useNoticeModel.ts
new file mode 100644
index 0000000..bc3c729
--- /dev/null
+++ b/src/pages/system/notices/model/useNoticeModel.ts
@@ -0,0 +1,196 @@
+import { computed, reactive, nextTick } from 'vue';
+import { message } from 'ant-design-vue';
+import { useState, useThrottleFn } from '@/hooks';
+import { useRequest } from '@/hooks/useRequest';
+import { useEffect } from '@/hooks/useEffect';
+import { usePagination, syncPaginationTotal } from '@/hooks/usePagination';
+import {
+  getNoticeList,
+  saveNotice,
+  updateNotice,
+  deleteNotice,
+  type NoticeVO,
+  type NoticeListQueryParams,
+  type PageData,
+  type ApiResult,
+} from './services';
+
+// ============================================================
+// 常量
+// ============================================================
+
+/** 公告类型选项（筛选 / 表单共用） */
+export const NOTICE_TYPE_OPTIONS = [
+  { value: 1, label: '首页公告提示' },
+  { value: 2, label: '产品更新公告' },
+] as const;
+
+/** 公告类型文案映射（兜底，后端 typeName 为空时使用） */
+export const NOTICE_TYPE_MAP: Record<number, string> = {
+  1: '首页公告提示',
+  2: '产品更新公告',
+};
+
+// ============================================================
+// Model
+// ============================================================
+
+/**
+ * 公告管理页数据模型
+ */
+export function useNoticeModel() {
+  // ===== 筛选条件 =====
+  const filterForm = reactive({
+    title: '', // 公告标题
+  });
+
+  // ===== 分页 =====
+  const pagination = usePagination({ defaultCurrent: 1, defaultPageSize: 10 });
+
+  // ===== 构建 API 查询参数 =====
+  const buildQueryParams = (): NoticeListQueryParams => {
+    const params: NoticeListQueryParams = {
+      page: String((pagination as any).current.value),
+      limit: String((pagination as any).pageSize.value),
+    };
+    if (filterForm.title.trim()) params.title = filterForm.title.trim();
+    return params;
+  };
+
+  // ===== 数据请求 =====
+  const {
+    data,
+    loading,
+    run: fetchList,
+  } = useRequest<ApiResult<PageData<NoticeVO>>>(() => getNoticeList(buildQueryParams()), {
+    refreshDeps: [],
+    formatResult: (res) => res,
+  });
+
+  const dataSource = computed(() => {
+    const res = data.value;
+    return res ? (res as any).data?.list || [] : [];
+  });
+
+  useEffect(() => {
+    syncPaginationTotal(pagination, (data.value as any)?.data?.total);
+  }, [data]);
+
+  // ===== 弹窗状态 =====
+  const [formVisible, setFormVisible] = useState<boolean>(false);
+  const [editingRecord, setEditingRecord] = useState<NoticeVO | null>(null);
+
+  // ===== 提交态 =====
+  const [formSubmitting, setFormSubmitting] = useState<boolean>(false);
+
+  // ===== 表格列配置 =====
+  const columns = [
+    { title: '标题', dataIndex: 'title', key: 'title' },
+    { title: '公告类型', dataIndex: 'typeName', key: 'typeName', width: 200 },
+    { title: '生效时间', key: 'effectTime', width: 340 },
+    { title: '创建时间', dataIndex: 'createDate', key: 'createDate', width: 200 },
+  ];
+
+  // ===== 计算属性 =====
+  const hasFilter = computed(() => filterForm.title.trim() !== '');
+  const isEdit = computed(() => editingRecord.value !== null);
+
+  // ===== 方法 =====
+
+  const handleSearch = () => {
+    pagination.reset();
+    fetchList();
+  };
+
+  /** 重置（重置后自动查询） */
+  const handleReset = useThrottleFn(async () => {
+    filterForm.title = '';
+    pagination.reset();
+    await fetchList();
+  }, 500);
+
+  const handlePageChange = (page: number, pageSize: number) => {
+    pagination.setCurrent(page);
+    if (pageSize !== (pagination as any).pageSize.value) {
+      pagination.setPageSize(pageSize);
+    }
+    nextTick().then(() => fetchList());
+  };
+
+  /** 新增 */
+  const handleAdd = () => {
+    setEditingRecord(null);
+    setFormVisible(true);
+  };
+
+  /** 编辑 */
+  const handleEdit = (record: NoticeVO) => {
+    setEditingRecord(record);
+    setFormVisible(true);
+  };
+
+  /** 关闭表单弹窗 */
+  const handleCloseForm = () => {
+    setFormVisible(false);
+    setEditingRecord(null);
+  };
+
+  /** 提交（新增/编辑） */
+  const handleSave = useThrottleFn(async (formPayload: any) => {
+    if (formSubmitting.value) return;
+    setFormSubmitting(true);
+    try {
+      const res = isEdit.value
+        ? await updateNotice({ id: editingRecord.value?.id, ...formPayload })
+        : await saveNotice(formPayload);
+
+      if (res.code == 200) {
+        message.success(isEdit.value ? '编辑成功' : '新增成功');
+        handleCloseForm();
+        fetchList();
+      } else {
+        message.error(res.msg || '操作失败');
+      }
+    } catch {
+      // 网络层已统一提示，不再重复 message.error
+    } finally {
+      setFormSubmitting(false);
+    }
+  }, 500);
+
+  /** 删除 */
+  const handleDelete = useThrottleFn(async (record: NoticeVO) => {
+    try {
+      const res = await deleteNotice(record.id);
+      if (res.code == 200) {
+        message.success('删除成功');
+        fetchList();
+      } else {
+        message.error(res.msg || '删除失败');
+      }
+    } catch {
+      // 网络层已统一提示，不再重复 message.error
+    }
+  }, 500);
+
+  return {
+    filterForm,
+    loading,
+    dataSource,
+    columns,
+    pagination,
+    hasFilter,
+    formVisible,
+    editingRecord,
+    isEdit,
+    formSubmitting,
+    handleSearch,
+    handleReset,
+    handlePageChange,
+    handleAdd,
+    handleEdit,
+    handleCloseForm,
+    handleSave,
+    handleDelete,
+  };
+}
diff --git a/src/utils/routeIcon.tsx b/src/utils/routeIcon.tsx
index 400e0a0..d9b87e1 100644
--- a/src/utils/routeIcon.tsx
+++ b/src/utils/routeIcon.tsx
@@ -10,6 +10,7 @@ import {
   AiOutlineSafetyCertificate,
   AiOutlineSetting,
   AiOutlineShoppingCart,
+  AiOutlineSound,
   AiOutlineTeam,
   AiOutlineTransaction,
   AiOutlineTrophy,
@@ -35,6 +36,7 @@ const ROUTE_ICON_MAP: Record<string, IconType> = {
   AiOutlineUser,
   AiOutlineSafetyCertificate,
   AiOutlineAudit,
+  AiOutlineSound,
 };
 
 export type RouteIconName = keyof typeof ROUTE_ICON_MAP;