diff --git a/backend/app/services/system_config_service.py b/backend/app/services/system_config_service.py
index a8056ce..a876120 100644
--- a/backend/app/services/system_config_service.py
+++ b/backend/app/services/system_config_service.py
@@ -614,6 +614,13 @@ class SystemConfigService:
 
     @classmethod
     def get_branding_config(cls) -> Dict[str, str]:
+        max_audio_size_mb = cls.get_max_audio_size(100)
+        max_image_size_mb = cls.get_config("max_image_size", "10")
+        try:
+            max_image_size_mb = int(max_image_size_mb)
+        except (ValueError, TypeError):
+            max_image_size_mb = 10
+
         return {
             "app_name": str(cls.get_config(cls.BRANDING_APP_NAME, "智听云平台") or "智听云平台"),
             "home_headline": str(cls.get_config(cls.BRANDING_HOME_HEADLINE, "智听云平台") or "智听云平台"),
@@ -622,6 +629,10 @@ class SystemConfigService:
             "preview_title": str(cls.get_config(cls.BRANDING_PREVIEW_TITLE, "会议预览") or "会议预览"),
             "login_welcome": str(cls.get_config(cls.BRANDING_LOGIN_WELCOME, "欢迎回来，请输入您的登录凭证。") or "欢迎回来，请输入您的登录凭证。"),
             "footer_text": str(cls.get_config(cls.BRANDING_FOOTER_TEXT, "©2026 智听云平台") or "©2026 智听云平台"),
+            "max_audio_size": str(max_audio_size_mb),
+            "MAX_FILE_SIZE": max_audio_size_mb * 1024 * 1024,
+            "max_image_size": str(max_image_size_mb),
+            "MAX_IMAGE_SIZE": max_image_size_mb * 1024 * 1024,
         }
 
     # LLM模型配置获取方法（直接使用通用方法）
diff --git a/frontend/src/components/AudioPlayerBar.jsx b/frontend/src/components/AudioPlayerBar.jsx
index 8938f30..9582163 100644
--- a/frontend/src/components/AudioPlayerBar.jsx
+++ b/frontend/src/components/AudioPlayerBar.jsx
@@ -22,6 +22,7 @@ const AudioPlayerBar = ({
   moreMenuItems = [],
   emptyText = '暂无音频',
   showMoreButton = true,
+  moreButtonDisabled = false,
   rateOptions = DEFAULT_RATE_OPTIONS,
 }) => {
   const [isPlaying, setIsPlaying] = useState(false);
@@ -124,6 +125,18 @@ const AudioPlayerBar = ({
     return (
       <div className="audio-player-bar is-empty">
         <span className="audio-player-bar-empty-text">{emptyText}</span>
+        {showMoreButton ? (
+          <>
+            <span className="audio-player-bar-divider" />
+            {!moreButtonDisabled && moreMenuItems.length > 0 ? (
+              <Dropdown menu={{ items: moreMenuItems }} trigger={['click']}>
+                <Button type="text" className="audio-player-bar-control audio-player-bar-more" icon={<MoreOutlined />} />
+              </Dropdown>
+            ) : (
+              <Button type="text" disabled className="audio-player-bar-control audio-player-bar-more" icon={<MoreOutlined />} />
+            )}
+          </>
+        ) : null}
       </div>
     );
   }
@@ -169,7 +182,7 @@ const AudioPlayerBar = ({
       {showMoreButton ? (
         <>
           <span className="audio-player-bar-divider" />
-          {moreMenuItems.length > 0 ? (
+          {!moreButtonDisabled && moreMenuItems.length > 0 ? (
             <Dropdown menu={{ items: moreMenuItems }} trigger={['click']}>
               <Button type="text" className="audio-player-bar-control audio-player-bar-more" icon={<MoreOutlined />} />
             </Dropdown>
diff --git a/frontend/src/components/MeetingFormDrawer.jsx b/frontend/src/components/MeetingFormDrawer.jsx
index e303fa1..95f709a 100644
--- a/frontend/src/components/MeetingFormDrawer.jsx
+++ b/frontend/src/components/MeetingFormDrawer.jsx
@@ -1,11 +1,13 @@
 import React, { useState, useEffect } from 'react';
-import { Drawer, Form, Input, Button, DatePicker, Select, Space, App } from 'antd';
-import { SaveOutlined } from '@ant-design/icons';
+import { Drawer, Form, Input, Button, DatePicker, Select, Space, App, Upload, Card, Progress, Typography } from 'antd';
+import { SaveOutlined, UploadOutlined, DeleteOutlined, AudioOutlined } from '@ant-design/icons';
 import dayjs from 'dayjs';
 import apiClient from '../utils/apiClient';
 import { buildApiUrl, API_ENDPOINTS } from '../config/api';
+import configService from '../utils/configService';
+import { AUDIO_UPLOAD_ACCEPT, uploadMeetingAudio, validateMeetingAudioFile } from '../services/meetingAudioService';
 
-const { TextArea } = Input;
+const { Text } = Typography;
 
 const MeetingFormDrawer = ({ open, onClose, onSuccess, meetingId = null }) => {
   const { message } = App.useApp();
@@ -14,17 +16,27 @@ const MeetingFormDrawer = ({ open, onClose, onSuccess, meetingId = null }) => {
   const [fetching, setFetching] = useState(false);
   const [users, setUsers] = useState([]);
   const [prompts, setPrompts] = useState([]);
+  const [selectedAudioFile, setSelectedAudioFile] = useState(null);
+  const [audioUploading, setAudioUploading] = useState(false);
+  const [audioUploadProgress, setAudioUploadProgress] = useState(0);
+  const [audioUploadMessage, setAudioUploadMessage] = useState('');
+  const [maxAudioSize, setMaxAudioSize] = useState(100 * 1024 * 1024);
 
   const isEdit = Boolean(meetingId);
 
   useEffect(() => {
     if (!open) return;
     fetchOptions();
+    loadAudioUploadConfig();
     if (isEdit) {
       fetchMeeting();
     } else {
       form.resetFields();
       form.setFieldsValue({ meeting_time: dayjs() });
+      setSelectedAudioFile(null);
+      setAudioUploading(false);
+      setAudioUploadProgress(0);
+      setAudioUploadMessage('');
     }
   }, [open, meetingId]);
 
@@ -39,6 +51,15 @@ const MeetingFormDrawer = ({ open, onClose, onSuccess, meetingId = null }) => {
     } catch {}
   };
 
+  const loadAudioUploadConfig = async () => {
+    try {
+      const nextMaxAudioSize = await configService.getMaxAudioSize();
+      setMaxAudioSize(nextMaxAudioSize || 100 * 1024 * 1024);
+    } catch (error) {
+      setMaxAudioSize(100 * 1024 * 1024);
+    }
+  };
+
   const fetchMeeting = async () => {
     setFetching(true);
     try {
@@ -50,7 +71,6 @@ const MeetingFormDrawer = ({ open, onClose, onSuccess, meetingId = null }) => {
         attendee_ids: meeting.attendee_ids || meeting.attendees?.map((a) => a.user_id).filter(Boolean) || [],
         prompt_id: meeting.prompt_id,
         tags: meeting.tags?.map((t) => t.name) || [],
-        description: meeting.description,
       });
     } catch {
       message.error('加载会议数据失败');
@@ -59,6 +79,23 @@ const MeetingFormDrawer = ({ open, onClose, onSuccess, meetingId = null }) => {
     }
   };
 
+  const handleAudioBeforeUpload = (file) => {
+    const validationMessage = validateMeetingAudioFile(file, maxAudioSize, configService.formatFileSize.bind(configService));
+    if (validationMessage) {
+      message.warning(validationMessage);
+      return Upload.LIST_IGNORE;
+    }
+
+    setSelectedAudioFile(file);
+    return false;
+  };
+
+  const clearSelectedAudio = () => {
+    setSelectedAudioFile(null);
+    setAudioUploadProgress(0);
+    setAudioUploadMessage('');
+  };
+
   const handleSubmit = async () => {
     try {
       const values = await form.validateFields();
@@ -76,7 +113,35 @@ const MeetingFormDrawer = ({ open, onClose, onSuccess, meetingId = null }) => {
       } else {
         const res = await apiClient.post(buildApiUrl(API_ENDPOINTS.MEETINGS.CREATE), payload);
         if (res.code === '200') {
-          message.success('会议创建成功');
+          const newMeetingId = res.data.meeting_id;
+          if (selectedAudioFile) {
+            setAudioUploading(true);
+            setAudioUploadProgress(0);
+            setAudioUploadMessage('正在上传音频文件...');
+            try {
+              await uploadMeetingAudio({
+                meetingId: newMeetingId,
+                file: selectedAudioFile,
+                promptId: values.prompt_id,
+                onUploadProgress: (progressEvent) => {
+                  if (progressEvent.total) {
+                    setAudioUploadProgress(Math.min(100, Math.round((progressEvent.loaded * 100) / progressEvent.total)));
+                  }
+                  setAudioUploadMessage('正在上传音频文件...');
+                },
+              });
+              setAudioUploadProgress(100);
+              setAudioUploadMessage('上传完成，正在启动转录任务...');
+              message.success('会议创建成功，音频已开始上传处理');
+            } catch (uploadError) {
+              message.warning(uploadError?.response?.data?.message || uploadError?.response?.data?.detail || '会议已创建，但音频上传失败，请在详情页重试');
+            } finally {
+              setAudioUploading(false);
+            }
+          } else {
+            message.success('会议创建成功');
+          }
+
           onSuccess?.(res.data.meeting_id);
           onClose();
           return;
@@ -103,7 +168,7 @@ const MeetingFormDrawer = ({ open, onClose, onSuccess, meetingId = null }) => {
       destroyOnClose
       extra={
         <Space>
-          <Button type="primary" icon={<SaveOutlined />} loading={loading} onClick={handleSubmit}>
+          <Button type="primary" icon={<SaveOutlined />} loading={loading || audioUploading} onClick={handleSubmit}>
             {isEdit ? '保存修改' : '创建会议'}
           </Button>
         </Space>
@@ -138,9 +203,105 @@ const MeetingFormDrawer = ({ open, onClose, onSuccess, meetingId = null }) => {
           <Select mode="tags" placeholder="输入标签按回车" />
         </Form.Item>
 
-        <Form.Item label="会议备注" name="description">
-          <TextArea rows={3} placeholder="添加会议背景或说明..." />
-        </Form.Item>
+        {!isEdit ? (
+          <Form.Item label="会议音频">
+            <Card
+              variant="borderless"
+              style={{
+                borderRadius: 14,
+                border: '1px solid #d9e2f2',
+                background: selectedAudioFile ? 'linear-gradient(135deg, #f8fbff 0%, #ffffff 100%)' : '#fbfdff',
+                boxShadow: 'inset 0 1px 0 rgba(255,255,255,0.86)',
+              }}
+              styles={{ body: { padding: 18 } }}
+            >
+              <Space direction="vertical" size={14} style={{ width: '100%' }}>
+                <div style={{ display: 'flex', justifyContent: 'space-between', gap: 16, alignItems: 'flex-start' }}>
+                  <div>
+                    <Text type="secondary">
+                      支持 {AUDIO_UPLOAD_ACCEPT.replace(/\./g, '').toUpperCase()}；
+                      <br/>音频文件最大 {configService.formatFileSize(maxAudioSize)}。
+                    </Text>
+                  </div>
+                  <Upload accept={AUDIO_UPLOAD_ACCEPT} showUploadList={false} beforeUpload={handleAudioBeforeUpload}>
+                    <Button icon={<UploadOutlined />} disabled={audioUploading}>选择音频</Button>
+                  </Upload>
+                </div>
+
+                {selectedAudioFile ? (
+                  <div
+                    style={{
+                      display: 'flex',
+                      justifyContent: 'space-between',
+                      alignItems: 'center',
+                      gap: 16,
+                      padding: '12px 14px',
+                      borderRadius: 12,
+                      background: '#ffffff',
+                      border: '1px solid #dbe7f5',
+                    }}
+                  >
+                    <Space size={12}>
+                      <div
+                        style={{
+                          width: 36,
+                          height: 36,
+                          borderRadius: 12,
+                          display: 'grid',
+                          placeItems: 'center',
+                          background: '#edf4ff',
+                          color: '#1d4ed8',
+                        }}
+                      >
+                        <AudioOutlined />
+                      </div>
+                      <div>
+                        <Text strong style={{ display: 'block' }}>{selectedAudioFile.name}</Text>
+                        <Text type="secondary">{configService.formatFileSize(selectedAudioFile.size)}</Text>
+                      </div>
+                    </Space>
+                    <Button type="text" icon={<DeleteOutlined />} onClick={clearSelectedAudio} disabled={audioUploading}>
+                      移除
+                    </Button>
+                  </div>
+                ) : (
+                  <div
+                    style={{
+                      borderRadius: 12,
+                      border: '1px dashed #c7d5ea',
+                      padding: '18px 16px',
+                      background: '#ffffff',
+                      color: 'rgba(17, 43, 78, 0.66)',
+                      textAlign: 'center',
+                    }}
+                  >
+                    可在会议详情中补传。
+                  </div>
+                )}
+
+                {audioUploading ? (
+                  <div
+                    style={{
+                      padding: '12px 14px',
+                      borderRadius: 12,
+                      background: '#f0f7ff',
+                      border: '1px solid #bfdbfe',
+                    }}
+                  >
+                    <div style={{ display: 'flex', justifyContent: 'space-between', marginBottom: 8 }}>
+                      <Text strong>音频上传中</Text>
+                      <Text strong style={{ color: '#1677ff' }}>{audioUploadProgress}%</Text>
+                    </div>
+                    <Text type="secondary" style={{ display: 'block', marginBottom: 10 }}>
+                      {audioUploadMessage || '正在上传音频文件...'}
+                    </Text>
+                    <Progress percent={audioUploadProgress} status="active" strokeColor={{ from: '#69b1ff', to: '#1677ff' }} />
+                  </div>
+                ) : null}
+              </Space>
+            </Card>
+          </Form.Item>
+        ) : null}
       </Form>
     </Drawer>
   );
diff --git a/frontend/src/pages/CreateMeeting.jsx b/frontend/src/pages/CreateMeeting.jsx
index 60dd3b5..28ba9e6 100644
--- a/frontend/src/pages/CreateMeeting.jsx
+++ b/frontend/src/pages/CreateMeeting.jsx
@@ -1,21 +1,20 @@
 import React, { useState, useEffect } from 'react';
 import { 
-  Card, Form, Input, Button, DatePicker, Select, Space, 
-  Typography, App, Divider, Row, Col, Tag
+  Card, Form, Input, Button, DatePicker, Select,
+  Typography, App, Divider, Row, Col, Upload, Space, Progress
 } from 'antd';
 import { 
-  ArrowLeftOutlined, UserOutlined, CalendarOutlined, 
-  TeamOutlined, FileTextOutlined, PlusOutlined, 
-  UploadOutlined, SaveOutlined,
-  VideoCameraAddOutlined, TagOutlined
+  ArrowLeftOutlined, UploadOutlined, SaveOutlined, DeleteOutlined,
+  VideoCameraAddOutlined, AudioOutlined
 } from '@ant-design/icons';
 import { useNavigate } from 'react-router-dom';
 import dayjs from 'dayjs';
 import apiClient from '../utils/apiClient';
 import { buildApiUrl, API_ENDPOINTS } from '../config/api';
+import configService from '../utils/configService';
+import { AUDIO_UPLOAD_ACCEPT, uploadMeetingAudio, validateMeetingAudioFile } from '../services/meetingAudioService';
 
 const { Title, Text } = Typography;
-const { TextArea } = Input;
 
 const CreateMeeting = () => {
   const navigate = useNavigate();
@@ -24,10 +23,16 @@ const CreateMeeting = () => {
   const [loading, setLoading] = useState(false);
   const [users, setUsers] = useState([]);
   const [prompts, setPrompts] = useState([]);
+  const [selectedAudioFile, setSelectedAudioFile] = useState(null);
+  const [audioUploading, setAudioUploading] = useState(false);
+  const [audioUploadProgress, setAudioUploadProgress] = useState(0);
+  const [audioUploadMessage, setAudioUploadMessage] = useState('');
+  const [maxAudioSize, setMaxAudioSize] = useState(100 * 1024 * 1024);
 
   useEffect(() => {
     fetchUsers();
     fetchPrompts();
+    loadAudioUploadConfig();
   }, []);
 
   const fetchUsers = async () => {
@@ -44,18 +49,74 @@ const CreateMeeting = () => {
     } catch (e) {}
   };
 
+  const loadAudioUploadConfig = async () => {
+    try {
+      const nextMaxAudioSize = await configService.getMaxAudioSize();
+      setMaxAudioSize(nextMaxAudioSize || 100 * 1024 * 1024);
+    } catch (error) {
+      setMaxAudioSize(100 * 1024 * 1024);
+    }
+  };
+
+  const handleAudioBeforeUpload = (file) => {
+    const validationMessage = validateMeetingAudioFile(file, maxAudioSize, configService.formatFileSize.bind(configService));
+    if (validationMessage) {
+      message.warning(validationMessage);
+      return Upload.LIST_IGNORE;
+    }
+
+    setSelectedAudioFile(file);
+    return false;
+  };
+
+  const clearSelectedAudio = () => {
+    setSelectedAudioFile(null);
+    setAudioUploadProgress(0);
+    setAudioUploadMessage('');
+  };
+
   const onFinish = async (values) => {
     setLoading(true);
     try {
       const payload = {
         ...values,
         meeting_time: values.meeting_time.format('YYYY-MM-DD HH:mm:ss'),
-        attendee_ids: values.attendee_ids
+        attendee_ids: values.attendee_ids,
+        tags: values.tags?.join(',') || ''
       };
       const res = await apiClient.post(buildApiUrl(API_ENDPOINTS.MEETINGS.CREATE), payload);
       if (res.code === '200') {
-        message.success('会议创建成功');
-        navigate(`/meetings/${res.data.meeting_id}`);
+        const meetingId = res.data.meeting_id;
+
+        if (selectedAudioFile) {
+          setAudioUploading(true);
+          setAudioUploadProgress(0);
+          setAudioUploadMessage('正在上传音频文件...');
+          try {
+            await uploadMeetingAudio({
+              meetingId,
+              file: selectedAudioFile,
+              promptId: values.prompt_id,
+              onUploadProgress: (progressEvent) => {
+                if (progressEvent.total) {
+                  setAudioUploadProgress(Math.min(100, Math.round((progressEvent.loaded * 100) / progressEvent.total)));
+                }
+                setAudioUploadMessage('正在上传音频文件...');
+              },
+            });
+            setAudioUploadProgress(100);
+            setAudioUploadMessage('上传完成，正在启动转录任务...');
+            message.success('会议创建成功，音频已开始上传处理');
+          } catch (uploadError) {
+            message.warning(uploadError.response?.data?.message || uploadError.response?.data?.detail || '会议已创建，但音频上传失败，请在详情页重试');
+          } finally {
+            setAudioUploading(false);
+          }
+        } else {
+          message.success('会议创建成功');
+        }
+
+        navigate(`/meetings/${meetingId}`);
       }
     } catch (error) {
       message.error(error.response?.data?.message || error.response?.data?.detail || '创建失败');
@@ -102,15 +163,115 @@ const CreateMeeting = () => {
             <Select mode="tags" size="large" placeholder="输入标签按回车" />
           </Form.Item>
 
-          <Form.Item label="会议备注" name="description">
-            <TextArea rows={4} placeholder="添加会议背景或说明..." />
+          <Form.Item label="会议音频">
+            <Card
+              variant="borderless"
+              style={{
+                borderRadius: 14,
+                border: '1px solid #d9e2f2',
+                background: selectedAudioFile ? 'linear-gradient(135deg, #f8fbff 0%, #ffffff 100%)' : '#fbfdff',
+                boxShadow: 'inset 0 1px 0 rgba(255,255,255,0.86)',
+              }}
+              styles={{ body: { padding: 18 } }}
+            >
+              <Space direction="vertical" size={14} style={{ width: '100%' }}>
+                <div style={{ display: 'flex', justifyContent: 'space-between', gap: 16, alignItems: 'flex-start' }}>
+                  <div>
+                    <Text strong style={{ display: 'block', marginBottom: 4 }}>上传会议音频</Text>
+                    <Text type="secondary">
+                      创建后会自动沿用会议详情页同一套上传与转录逻辑。支持 {AUDIO_UPLOAD_ACCEPT.replace(/\./g, '').toUpperCase()}，
+                      最大 {configService.formatFileSize(maxAudioSize)}。
+                    </Text>
+                  </div>
+                  <Upload accept={AUDIO_UPLOAD_ACCEPT} showUploadList={false} beforeUpload={handleAudioBeforeUpload}>
+                    <Button icon={<UploadOutlined />} disabled={audioUploading}>选择音频</Button>
+                  </Upload>
+                </div>
+
+                {selectedAudioFile ? (
+                  <div
+                    style={{
+                      display: 'flex',
+                      justifyContent: 'space-between',
+                      alignItems: 'center',
+                      gap: 16,
+                      padding: '12px 14px',
+                      borderRadius: 12,
+                      background: '#ffffff',
+                      border: '1px solid #dbe7f5',
+                    }}
+                  >
+                    <Space size={12}>
+                      <div
+                        style={{
+                          width: 36,
+                          height: 36,
+                          borderRadius: 12,
+                          display: 'grid',
+                          placeItems: 'center',
+                          background: '#edf4ff',
+                          color: '#1d4ed8',
+                        }}
+                      >
+                        <AudioOutlined />
+                      </div>
+                      <div>
+                        <Text strong style={{ display: 'block' }}>{selectedAudioFile.name}</Text>
+                        <Text type="secondary">{configService.formatFileSize(selectedAudioFile.size)}</Text>
+                      </div>
+                    </Space>
+                    <Button
+                      type="text"
+                      icon={<DeleteOutlined />}
+                      onClick={clearSelectedAudio}
+                      disabled={audioUploading}
+                    >
+                      移除
+                    </Button>
+                  </div>
+                ) : (
+                  <div
+                    style={{
+                      borderRadius: 12,
+                      border: '1px dashed #c7d5ea',
+                      padding: '18px 16px',
+                      background: '#ffffff',
+                      color: 'rgba(17, 43, 78, 0.66)',
+                      textAlign: 'center',
+                    }}
+                  >
+                    可选。若现在不上传，也可以创建后在会议详情中补传。
+                  </div>
+                )}
+
+                {audioUploading ? (
+                  <div
+                    style={{
+                      padding: '12px 14px',
+                      borderRadius: 12,
+                      background: '#f0f7ff',
+                      border: '1px solid #bfdbfe',
+                    }}
+                  >
+                    <div style={{ display: 'flex', justifyContent: 'space-between', marginBottom: 8 }}>
+                      <Text strong>音频上传中</Text>
+                      <Text strong style={{ color: '#1677ff' }}>{audioUploadProgress}%</Text>
+                    </div>
+                    <Text type="secondary" style={{ display: 'block', marginBottom: 10 }}>
+                      {audioUploadMessage || '正在上传音频文件...'}
+                    </Text>
+                    <Progress percent={audioUploadProgress} status="active" strokeColor={{ from: '#69b1ff', to: '#1677ff' }} />
+                  </div>
+                ) : null}
+              </Space>
+            </Card>
           </Form.Item>
 
           <Divider />
 
           <Form.Item>
-            <Button type="primary" htmlType="submit" size="large" icon={<SaveOutlined />} loading={loading} block style={{ height: 50, fontSize: 16, borderRadius: 8 }}>
-              创建并进入详情
+            <Button type="primary" htmlType="submit" size="large" icon={<SaveOutlined />} loading={loading || audioUploading} block style={{ height: 50, fontSize: 16, borderRadius: 8 }}>
+              {selectedAudioFile ? '创建并上传音频' : '创建并进入详情'}
             </Button>
           </Form.Item>
         </Form>
diff --git a/frontend/src/pages/EditMeeting.jsx b/frontend/src/pages/EditMeeting.jsx
index 546e48f..f4c2523 100644
--- a/frontend/src/pages/EditMeeting.jsx
+++ b/frontend/src/pages/EditMeeting.jsx
@@ -1,11 +1,10 @@
 import React, { useState, useEffect } from 'react';
 import { 
-  Card, Form, Input, Button, DatePicker, Select, Space, 
+  Card, Form, Input, Button, DatePicker, Select,
   Typography, App, Divider, Row, Col
 } from 'antd';
 import { 
-  ArrowLeftOutlined, TeamOutlined, SaveOutlined, 
-  VideoCameraAddOutlined, TagOutlined
+  ArrowLeftOutlined, SaveOutlined, VideoCameraAddOutlined
 } from '@ant-design/icons';
 import { useNavigate, useParams } from 'react-router-dom';
 import dayjs from 'dayjs';
@@ -13,7 +12,6 @@ import apiClient from '../utils/apiClient';
 import { buildApiUrl, API_ENDPOINTS } from '../config/api';
 
 const { Title } = Typography;
-const { TextArea } = Input;
 
 const EditMeeting = () => {
   const { meeting_id } = useParams();
@@ -111,10 +109,6 @@ const EditMeeting = () => {
             <Select mode="tags" size="large" placeholder="输入标签按回车" />
           </Form.Item>
 
-          <Form.Item label="会议备注" name="description">
-            <TextArea rows={4} placeholder="添加会议背景或说明..." />
-          </Form.Item>
-
           <Divider />
 
           <Form.Item>
diff --git a/frontend/src/pages/MeetingDetails.jsx b/frontend/src/pages/MeetingDetails.jsx
index 481bc7e..10519ec 100644
--- a/frontend/src/pages/MeetingDetails.jsx
+++ b/frontend/src/pages/MeetingDetails.jsx
@@ -27,6 +27,8 @@ import tools from '../utils/tools';
 import { buildApiUrl, API_ENDPOINTS } from '../config/api';
 import QRCodeModal from '../components/QRCodeModal';
 import MeetingFormDrawer from '../components/MeetingFormDrawer';
+import configService from '../utils/configService';
+import { AUDIO_UPLOAD_ACCEPT, uploadMeetingAudio, validateMeetingAudioFile } from '../services/meetingAudioService';
 
 const { Title, Text } = Typography;
 const { TextArea } = Input;
@@ -115,6 +117,7 @@ const MeetingDetails = ({ user }) => {
   const [accessPasswordEnabled, setAccessPasswordEnabled] = useState(false);
   const [accessPasswordDraft, setAccessPasswordDraft] = useState('');
   const [savingAccessPassword, setSavingAccessPassword] = useState(false);
+  const [maxAudioSize, setMaxAudioSize] = useState(100 * 1024 * 1024);
 
   // 转录编辑 Drawer
   const [showTranscriptEditDrawer, setShowTranscriptEditDrawer] = useState(false);
@@ -159,6 +162,7 @@ const MeetingDetails = ({ user }) => {
   useEffect(() => {
     fetchMeetingDetails();
     fetchTranscript();
+    loadAudioUploadConfig();
     return () => {
       if (statusCheckIntervalRef.current) clearInterval(statusCheckIntervalRef.current);
       if (summaryPollIntervalRef.current) clearInterval(summaryPollIntervalRef.current);
@@ -166,6 +170,15 @@ const MeetingDetails = ({ user }) => {
     };
   }, [meeting_id]);
 
+  const loadAudioUploadConfig = async () => {
+    try {
+      const nextMaxAudioSize = await configService.getMaxAudioSize();
+      setMaxAudioSize(nextMaxAudioSize || 100 * 1024 * 1024);
+    } catch (error) {
+      setMaxAudioSize(100 * 1024 * 1024);
+    }
+  };
+
   useEffect(() => {
     if (!showSummaryDrawer) {
       return;
@@ -490,27 +503,27 @@ const MeetingDetails = ({ user }) => {
   };
 
   const handleUploadAudio = async (file) => {
-    const formData = new FormData();
-    formData.append('audio_file', file);
-    formData.append('meeting_id', meeting_id);
-    formData.append('force_replace', 'true');
-    if (meeting?.prompt_id) {
-      formData.append('prompt_id', String(meeting.prompt_id));
-    }
-    if (selectedModelCode) {
-      formData.append('model_code', selectedModelCode);
+    const validationMessage = validateMeetingAudioFile(file, maxAudioSize, configService.formatFileSize.bind(configService));
+    if (validationMessage) {
+      message.warning(validationMessage);
+      throw new Error(validationMessage);
     }
+
     setIsUploading(true);
     setUploadProgress(0);
     setUploadStatusMessage('正在上传音频文件...');
     try {
-      await apiClient.post(buildApiUrl(API_ENDPOINTS.MEETINGS.UPLOAD_AUDIO), formData, {
+      await uploadMeetingAudio({
+        meetingId: meeting_id,
+        file,
+        promptId: meeting?.prompt_id,
+        modelCode: selectedModelCode,
         onUploadProgress: (progressEvent) => {
           if (progressEvent.total) {
             setUploadProgress(Math.min(100, Math.round((progressEvent.loaded * 100) / progressEvent.total)));
           }
           setUploadStatusMessage('正在上传音频文件...');
-        }
+        },
       });
       setUploadProgress(100);
       setUploadStatusMessage('上传完成，正在启动转录任务...');
@@ -944,6 +957,15 @@ const MeetingDetails = ({ user }) => {
       <Upload
         id="audio-upload-input"
         showUploadList={false}
+        accept={AUDIO_UPLOAD_ACCEPT}
+        beforeUpload={(file) => {
+          const validationMessage = validateMeetingAudioFile(file, maxAudioSize, configService.formatFileSize.bind(configService));
+          if (validationMessage) {
+            message.warning(validationMessage);
+            return Upload.LIST_IGNORE;
+          }
+          return true;
+        }}
         customRequest={async ({ file, onSuccess, onError }) => {
           try {
             await handleUploadAudio(file);
@@ -989,7 +1011,8 @@ const MeetingDetails = ({ user }) => {
                   }
                 }}
                 moreMenuItems={audioMoreMenuItems}
-                emptyText="暂无音频，可通过右侧更多操作上传音频"
+                moreButtonDisabled={!isMeetingOwner}
+                emptyText="暂无音频，可通过'更多'上传音频"
               />
             </div>
 
diff --git a/frontend/src/services/meetingAudioService.js b/frontend/src/services/meetingAudioService.js
new file mode 100644
index 0000000..d844872
--- /dev/null
+++ b/frontend/src/services/meetingAudioService.js
@@ -0,0 +1,48 @@
+import apiClient from '../utils/apiClient';
+import { buildApiUrl, API_ENDPOINTS } from '../config/api';
+
+export const AUDIO_UPLOAD_ACCEPT = '.mp3,.wav,.m4a,.mpeg,.mp4';
+const AUDIO_EXTENSIONS = ['.mp3', '.wav', '.m4a', '.mpeg', '.mp4'];
+
+export const validateMeetingAudioFile = (file, maxAudioSize, formatFileSize) => {
+  if (!file) {
+    return '请选择音频文件';
+  }
+
+  const fileName = String(file.name || '').toLowerCase();
+  const isAllowed = AUDIO_EXTENSIONS.some((ext) => fileName.endsWith(ext));
+  if (!isAllowed) {
+    return `仅支持 ${AUDIO_EXTENSIONS.join(' / ').toUpperCase().replace(/\./g, '')} 格式音频`;
+  }
+
+  if (maxAudioSize && file.size > maxAudioSize) {
+    const readableSize = formatFileSize ? formatFileSize(maxAudioSize) : `${Math.round(maxAudioSize / 1024 / 1024)} MB`;
+    return `音频大小不能超过 ${readableSize}`;
+  }
+
+  return null;
+};
+
+export const uploadMeetingAudio = async ({
+  meetingId,
+  file,
+  promptId,
+  modelCode,
+  onUploadProgress,
+}) => {
+  const formData = new FormData();
+  formData.append('audio_file', file);
+  formData.append('meeting_id', meetingId);
+
+  if (promptId) {
+    formData.append('prompt_id', String(promptId));
+  }
+
+  if (modelCode) {
+    formData.append('model_code', modelCode);
+  }
+
+  return apiClient.post(buildApiUrl(API_ENDPOINTS.MEETINGS.UPLOAD_AUDIO), formData, {
+    onUploadProgress,
+  });
+};
diff --git a/frontend/src/utils/configService.js b/frontend/src/utils/configService.js
index 2d59dc0..82d96dc 100644
--- a/frontend/src/utils/configService.js
+++ b/frontend/src/utils/configService.js
@@ -36,7 +36,7 @@ class ConfigService {
 
   async loadConfigsFromServer() {
     try {
-      const response = await apiClient.get(buildApiUrl(API_ENDPOINTS.ADMIN.SYSTEM_CONFIG));
+      const response = await apiClient.get(buildApiUrl(API_ENDPOINTS.PUBLIC.SYSTEM_CONFIG));
       return response.data;
     } catch (error) {
       console.warn('Failed to load system configs, using defaults:', error);
@@ -53,6 +53,10 @@ class ConfigService {
     return configs.MAX_FILE_SIZE || 100 * 1024 * 1024;
   }
 
+  async getMaxAudioSize() {
+    return this.getMaxFileSize();
+  }
+
   async getMaxImageSize() {
     const configs = await this.getConfigs();
     return configs.MAX_IMAGE_SIZE || 10 * 1024 * 1024;