update:1.新增章节内容批量生成功能

frontend/src/pages/Login.tsx

@@ -3,6 +3,7 @@ import { Button, Card, Space, Typography, message, Spin, Form, Input, Tabs } fro
 import { UserOutlined, LockOutlined } from '@ant-design/icons';
 import { authApi } from '../services/api';
 import { useNavigate, useSearchParams } from 'react-router-dom';
+import AnnouncementModal from '../components/AnnouncementModal';
 
 const { Title, Paragraph } = Typography;
 
@@ -14,6 +15,7 @@ export default function Login() {
   const [localAuthEnabled, setLocalAuthEnabled] = useState(false);
   const [linuxdoEnabled, setLinuxdoEnabled] = useState(false);
   const [form] = Form.useForm();
+  const [showAnnouncement, setShowAnnouncement] = useState(false);
 
   // 检查是否已登录和获取认证配置
   useEffect(() => {
@@ -47,8 +49,17 @@ export default function Login() {
       
       if (response.success) {
         message.success('登录成功！');
-        const redirect = searchParams.get('redirect') || '/';
-        navigate(redirect);
+        
+        // 检查今天是否已经显示过公告
+        const doNotShowUntil = localStorage.getItem('announcement_do_not_show_until');
+        const now = new Date().getTime();
+        
+        if (!doNotShowUntil || now > parseInt(doNotShowUntil)) {
+          setShowAnnouncement(true);
+        } else {
+          const redirect = searchParams.get('redirect') || '/';
+          navigate(redirect);
+        }
       }
     } catch (error) {
       console.error('本地登录失败:', error);
@@ -185,8 +196,27 @@ export default function Login() {
     </div>
   );
 
+  const handleAnnouncementClose = () => {
+    setShowAnnouncement(false);
+    const redirect = searchParams.get('redirect') || '/';
+    navigate(redirect);
+  };
+
+  const handleDoNotShowToday = () => {
+    // 设置到今天23:59:59不再显示
+    const tomorrow = new Date();
+    tomorrow.setHours(23, 59, 59, 999);
+    localStorage.setItem('announcement_do_not_show_until', tomorrow.getTime().toString());
+  };
+
   return (
-    <div style={{
+    <>
+      <AnnouncementModal
+        visible={showAnnouncement}
+        onClose={handleAnnouncementClose}
+        onDoNotShowToday={handleDoNotShowToday}
+      />
+      <div style={{
       display: 'flex',
       justifyContent: 'center',
       alignItems: 'center',
@@ -325,5 +355,6 @@ export default function Login() {
         </Space>
       </Card>
     </div>
+    </>
   );
 }