diff --git a/frontend/node_modules/.cache/.eslintcache b/frontend/node_modules/.cache/.eslintcache
index e317d12b..45e56a8f 100644
--- a/frontend/node_modules/.cache/.eslintcache
+++ b/frontend/node_modules/.cache/.eslintcache
@@ -1 +1 @@
-[{"/home/node/.openclaw/workspace/flying-hero/projects/meeting-room/frontend/src/index.js":"1","/home/node/.openclaw/workspace/flying-hero/projects/meeting-room/frontend/src/App.js":"2"},{"size":232,"mtime":1775265162529,"results":"3","hashOfConfig":"4"},{"size":19499,"mtime":1775343974253,"results":"5","hashOfConfig":"4"},{"filePath":"6","messages":"7","suppressedMessages":"8","errorCount":0,"fatalErrorCount":0,"warningCount":0,"fixableErrorCount":0,"fixableWarningCount":0},"1sir4jg",{"filePath":"9","messages":"10","suppressedMessages":"11","errorCount":0,"fatalErrorCount":0,"warningCount":0,"fixableErrorCount":0,"fixableWarningCount":0},"/home/node/.openclaw/workspace/flying-hero/projects/meeting-room/frontend/src/index.js",[],[],"/home/node/.openclaw/workspace/flying-hero/projects/meeting-room/frontend/src/App.js",[],[]]
\ No newline at end of file
+[{"/home/node/.openclaw/workspace/flying-hero/projects/meeting-room/frontend/src/index.js":"1","/home/node/.openclaw/workspace/flying-hero/projects/meeting-room/frontend/src/App.js":"2"},{"size":232,"mtime":1775265162529,"results":"3","hashOfConfig":"4"},{"size":12200,"mtime":1775353673604,"results":"5","hashOfConfig":"4"},{"filePath":"6","messages":"7","suppressedMessages":"8","errorCount":0,"fatalErrorCount":0,"warningCount":0,"fixableErrorCount":0,"fixableWarningCount":0},"1sir4jg",{"filePath":"9","messages":"10","suppressedMessages":"11","errorCount":0,"fatalErrorCount":0,"warningCount":0,"fixableErrorCount":0,"fixableWarningCount":0},"/home/node/.openclaw/workspace/flying-hero/projects/meeting-room/frontend/src/index.js",[],[],"/home/node/.openclaw/workspace/flying-hero/projects/meeting-room/frontend/src/App.js",[],[]]
\ No newline at end of file
diff --git a/frontend/node_modules/.cache/default-development/7.pack b/frontend/node_modules/.cache/default-development/7.pack
index 0fc73ddb..d773e7b6 100644
Binary files a/frontend/node_modules/.cache/default-development/7.pack and b/frontend/node_modules/.cache/default-development/7.pack differ
diff --git a/frontend/node_modules/.cache/default-development/index.pack b/frontend/node_modules/.cache/default-development/index.pack
index 1bc37ddb..1c167d85 100644
Binary files a/frontend/node_modules/.cache/default-development/index.pack and b/frontend/node_modules/.cache/default-development/index.pack differ
diff --git a/frontend/node_modules/.cache/default-development/index.pack.old b/frontend/node_modules/.cache/default-development/index.pack.old
index 9cd51d5f..1bc37ddb 100644
Binary files a/frontend/node_modules/.cache/default-development/index.pack.old and b/frontend/node_modules/.cache/default-development/index.pack.old differ
diff --git a/frontend/src/App.js b/frontend/src/App.js
index 157ade95..a6358f22 100644
--- a/frontend/src/App.js
+++ b/frontend/src/App.js
@@ -14,21 +14,17 @@ axios.interceptors.request.use(config => {
 function LoginPage() {
   const [username, setUsername] = useState('test');
   const [password, setPassword] = useState('test123');
-  const [mode, setMode] = useState('solo');
   const [agents, setAgents] = useState([]);
   const [selectedAgents, setSelectedAgents] = useState([]);
   const navigate = useNavigate();
 
   // 扫描本机龙虾
   useEffect(() => {
-    if (username) {
-      scanAgents();
-    }
-  }, [username]);
+    scanAgents();
+  }, []);
 
   const scanAgents = async () => {
     try {
-      // 传递 username 参数，获取绑定的龙虾信息
       const res = await axios.get(`${API_BASE}/user/scan-local-agents/?username=${username}`);
       setAgents(res.data.agents || []);
     } catch (error) {
@@ -39,24 +35,13 @@ function LoginPage() {
   const handleLogin = async (e) => {
     e.preventDefault();
     try {
-      const payload = {
-        username,
-        password,
-        mode
-      };
-      
-      if (mode !== 'solo' && selectedAgents.length > 0) {
-        payload.agent_ids = selectedAgents;
-      }
-      
-      const res = await axios.post(`${API_BASE}/auth/login/`, payload);
+      const res = await axios.post(`${API_BASE}/auth/login/`, { username, password });
       localStorage.setItem('token', res.data.token);
       localStorage.setItem('user', JSON.stringify(res.data.user));
-      localStorage.setItem('sessions', JSON.stringify(res.data.sessions));
-      localStorage.setItem('mode', res.data.mode);
+      localStorage.setItem('selectedAgents', JSON.stringify(selectedAgents));
       navigate('/meetings');
     } catch (error) {
-      alert('登录失败：' + (error.response?.data?.detail || error.response?.data?.error || error.message));
+      alert('登录失败：' + (error.response?.data?.detail || error.message));
     }
   };
 
@@ -76,71 +61,22 @@ function LoginPage() {
           <input type="text" placeholder="用户名" value={username} onChange={e => setUsername(e.target.value)} style={styles.input} required />
           <input type="password" placeholder="密码" value={password} onChange={e => setPassword(e.target.value)} style={styles.input} required />
           
-          {/* 出战模式选择 */}
-          <div style={{margin: '15px 0'}}>
-            <label style={{display: 'block', marginBottom: '10px', fontWeight: '600'}}>🎯 出战模式：</label>
-            <label style={{display: 'block', marginBottom: '12px', cursor: 'pointer', padding: '10px', background: mode === 'solo' ? '#e7f3ff' : 'white', borderRadius: '8px', border: '1px solid #2196f3'}}>
-              <input 
-                type="radio" 
-                name="mode" 
-                value="solo" 
-                checked={mode === 'solo'} 
-                onChange={e => setMode(e.target.value)} 
-              />
-              {' '}🥷 <strong>单枪匹马</strong>（人类单独出战，不带龙虾）
-            </label>
-            <label style={{display: 'block', marginBottom: '12px', cursor: 'pointer', padding: '10px', background: mode === 'team' ? '#e7f3ff' : 'white', borderRadius: '8px', border: '1px solid #2196f3'}}>
-              <input 
-                type="radio" 
-                name="mode" 
-                value="team" 
-                checked={mode === 'team'} 
-                onChange={e => setMode(e.target.value)} 
-              />
-              {' '}🛡️ <strong>组队团战</strong>（人类 + N 只龙虾一起出战）
-            </label>
-            <label style={{display: 'block', marginBottom: '12px', cursor: 'pointer', padding: '10px', background: mode === 'agent_only' ? '#e7f3ff' : 'white', borderRadius: '8px', border: '1px solid #2196f3'}}>
-              <input 
-                type="radio" 
-                name="mode" 
-                value="agent_only" 
-                checked={mode === 'agent_only'} 
-                onChange={e => setMode(e.target.value)} 
-              />
-              {' '}⚔️ <strong>独当一面</strong>（龙虾单独出征，人类不上场）
-            </label>
+          <div style={{margin: '15px 0', width: '100%'}}>
+            <label style={{display: 'block', marginBottom: '10px', fontWeight: '600'}}>🦐 选择随行龙虾：</label>
+            {agents.map(agent => (
+              <label key={agent.agent_id} style={{display: 'block', marginBottom: '8px', cursor: 'pointer'}}>
+                <input 
+                  type="checkbox" 
+                  checked={selectedAgents.includes(agent.agent_id)}
+                  onChange={() => toggleAgent(agent.agent_id)}
+                  style={{marginRight: '8px'}}
+                />
+                {agent.agent_emoji || '🤖'} {agent.agent_name} ({agent.instance_name})
+              </label>
+            ))}
           </div>
           
-          {/* 龙虾选择（组队或独当一面） */}
-          {mode !== 'solo' && (
-            <div style={{margin: '15px 0', padding: '15px', background: '#f9f9f9', borderRadius: '8px'}}>
-              <label style={{display: 'block', marginBottom: '10px', fontWeight: '600'}}>🦐 选择龙虾队友：</label>
-              {agents.length === 0 ? (
-                <p style={{color: '#999', fontSize: '14px'}}>未找到可用龙虾</p>
-              ) : (
-                agents.map(a => (
-                  <label key={a.agent_id} style={{display: 'flex', alignItems: 'center', marginBottom: '8px', cursor: 'pointer'}}>
-                    <input 
-                      type="checkbox" 
-                      checked={selectedAgents.includes(a.agent_id)}
-                      onChange={() => toggleAgent(a.agent_id)}
-                      style={{marginRight: '10px'}}
-                    />
-                    <span style={{fontSize: '16px', marginRight: '8px'}}>{a.agent_emoji || '🤖'}</span>
-                    <span>{a.agent_id}</span>
-                    <span style={{color: '#999', fontSize: '12px', marginLeft: '8px'}}>({a.instance_name})</span>
-                  </label>
-                ))
-              )}
-              {selectedAgents.length > 0 && (
-                <p style={{marginTop: '10px', color: '#2196f3', fontWeight: '600'}}>
-                  已选 {selectedAgents.length} 只龙虾队友 🦸
-                </p>
-              )}
-            </div>
-          )}
-          
-          <button type="submit" style={styles.btn}>🚀 登录出征</button>
+          <button type="submit" style={styles.btn}>登录</button>
         </form>
       </div>
     </div>
@@ -151,7 +87,6 @@ function LoginPage() {
 function MeetingList() {
   const [meetings, setMeetings] = useState([]);
   const [topic, setTopic] = useState('');
-  const [autoAddAgents, setAutoAddAgents] = useState(true);
   const navigate = useNavigate();
   const token = localStorage.getItem('token');
 
@@ -170,15 +105,10 @@ function MeetingList() {
   const createMeeting = async (e) => {
     e.preventDefault();
     try {
-      // 获取当前登录的龙虾
-      const sessions = JSON.parse(localStorage.getItem('sessions') || '[]');
-      const agentIds = sessions.filter(s => s.session_type === 'agent').map(s => s.agent_id);
-      
+      const selectedAgents = JSON.parse(localStorage.getItem('selectedAgents') || '[]');
       const res = await axios.post(`${API_BASE}/meetings/`, { 
         topic,
-        auto_add_virtual_agents: agentIds.length === 0, // 只有没有龙虾时才添加虚拟的
-        host_agent_id: agentIds.length > 0 ? agentIds[0] : null,  // 第一只作为主持龙虾
-        agent_ids: agentIds  // 传递所有龙虾
+        agent_ids: selectedAgents
       });
       navigate(`/meeting/${res.data.id}`);
     } catch (error) {
@@ -198,19 +128,8 @@ function MeetingList() {
         <h2>创建会议</h2>
         <form onSubmit={createMeeting} style={styles.form}>
           <input type="text" placeholder="会议主题" value={topic} onChange={e => setTopic(e.target.value)} style={styles.input} required />
-          <label style={{display: 'flex', alignItems: 'center', gap: '5px', whiteSpace: 'nowrap'}}>
-            <input 
-              type="checkbox" 
-              checked={autoAddAgents} 
-              onChange={e => setAutoAddAgents(e.target.checked)}
-            />
-            添加虚拟坐席
-          </label>
           <button type="submit" style={styles.btn}>创建</button>
         </form>
-        <p style={{fontSize: '12px', color: '#666', marginTop: '10px'}}>
-          💡 勾选"添加虚拟坐席"会自动创建 2 个虚拟龙虾参会者，方便测试 @ 功能
-        </p>
       </div>
       <div style={styles.list}>
         {meetings.map(m => (
@@ -234,14 +153,11 @@ function MeetingRoom() {
   const [content, setContent] = useState('');
   const [participants, setParticipants] = useState([]);
   const [meeting, setMeeting] = useState(null);
-  const [hoveredSeat, setHoveredSeat] = useState(null);
   const token = localStorage.getItem('token');
 
   useEffect(() => {
     if (!token) return;
     fetchMeeting();
-    fetchParticipants();
-    fetchMessages();
     const interval = setInterval(fetchMessages, 1000);
     return () => clearInterval(interval);
   }, [id]);
@@ -250,9 +166,27 @@ function MeetingRoom() {
     try {
       const res = await axios.get(`${API_BASE}/meetings/${id}/`);
       setMeeting(res.data);
+      // 获取会议信息后，自动加入会议
+      if (res.data.invite_code) {
+        joinMeeting(res.data.invite_code);
+      }
     } catch (error) { console.error(error); }
   };
 
+  const joinMeeting = async (inviteCode) => {
+    try {
+      const selectedAgents = JSON.parse(localStorage.getItem('selectedAgents') || '[]');
+      await axios.post(`${API_BASE}/meetings/${id}/join/`, {
+        invite_code: inviteCode,
+        agent_ids: selectedAgents
+      });
+      // 加入后刷新参会者列表
+      fetchParticipants();
+    } catch (error) {
+      console.log('加入会议:', error?.response?.data?.error || '已加入');
+    }
+  };
+
   const fetchParticipants = async () => {
     try {
       const res = await axios.get(`${API_BASE}/meetings/${id}/participants/`);
@@ -271,7 +205,12 @@ function MeetingRoom() {
     e.preventDefault();
     if (!content.trim()) return;
     try {
-      await axios.post(`${API_BASE}/meetings/${id}/send_message/`, { content });
+      // 检查是否是@消息
+      const requiresResponse = content.startsWith('@');
+      await axios.post(`${API_BASE}/meetings/${id}/send_message/`, { 
+        content,
+        requires_response: requiresResponse
+      });
       setContent('');
       fetchMessages();
     } catch (error) {
@@ -279,80 +218,13 @@ function MeetingRoom() {
     }
   };
 
-  const mentionAgent = async (targetAgentId, agentName) => {
-    const target = targetAgentId || prompt('@哪个 Agent？输入 agent_id:');
-    if (!target || !content.trim()) return;
-    const name = agentName || target;
-    try {
-      await axios.post(`${API_BASE}/meetings/${id}/mention_agent/`, {
-        target_agent_id: target, content,
-        sender_name: localStorage.getItem('user') ? JSON.parse(localStorage.getItem('user')).username : 'User'
-      });
-      setContent('');
-      fetchMessages();
-      alert(`✅ 已 @${name}`);
-    } catch (error) {
-      alert('发送失败：' + (error.response?.data?.error || error.message));
-    }
-  };
-
-  const startMeeting = async () => {
-    try {
-      await axios.post(`${API_BASE}/meetings/${id}/start/`);
-      fetchMeeting();
-      alert('✅ 会议已开始');
-    } catch (error) {
-      alert('开始失败：' + (error.response?.data?.error || error.message));
-    }
-  };
-
-  const endMeeting = async () => {
-    if (!confirm('确定结束会议？')) return;
-    try {
-      await axios.post(`${API_BASE}/meetings/${id}/end/`);
-      fetchMeeting();
-      alert('✅ 会议已结束');
-    } catch (error) {
-      alert('结束失败：' + (error.response?.data?.error || error.message));
-    }
-  };
-
-  const generateMinutes = async () => {
-    try {
-      const res = await axios.get(`${API_BASE}/meetings/${id}/minutes/?output=markdown`);
-      const blob = new Blob([res.data.markdown], { type: 'text/markdown' });
-      const url = URL.createObjectURL(blob);
-      const a = document.createElement('a');
-      a.href = url;
-      a.download = `meeting-${id.slice(0, 8)}.md`;
-      a.click();
-      URL.revokeObjectURL(url);
-      alert('✅ 纪要已导出');
-    } catch (error) {
-      alert('导出失败：' + error.message);
-    }
-  };
-
   return (
     <div style={styles.container}>
       <div style={styles.header}>
         <Link to="/meetings" style={styles.link}>← 返回</Link>
         <h1>{meeting?.topic || '会议室'}</h1>
-        {meeting && <span style={styles.badge}>{meeting.status}</span>}
       </div>
 
-      {meeting && (
-        <div style={styles.infoCard}>
-          <p><strong>ID:</strong> {meeting.id}</p>
-          <p><strong>邀请码:</strong> {meeting.invite_code}</p>
-          <div style={styles.btnGroup}>
-            <button onClick={startMeeting} style={styles.btnGreen}>▶️ 开始</button>
-            <button onClick={endMeeting} style={styles.btnRed}>⏹️ 结束</button>
-            <button onClick={generateMinutes} style={styles.btnBlue}>📋 纪要</button>
-          </div>
-        </div>
-      )}
-
       {/* 座位图 */}
       <div style={styles.card}>
         <h2>🪑 座位图 <span style={styles.badge}>{participants.length}</span></h2>
@@ -360,16 +232,8 @@ function MeetingRoom() {
           {participants.map(p => (
             <div 
               key={p.id} 
-              style={{...styles.seat, ...(hoveredSeat === p.id ? styles.seatHover : {})}} 
-              onClick={() => {
-                if (p.agent_id) {
-                  setContent(`@${p.nickname} `);
-                  document.querySelector('input[placeholder="输入消息..."]')?.focus();
-                }
-              }}
-              onMouseEnter={() => setHoveredSeat(p.id)}
-              onMouseLeave={() => setHoveredSeat(null)}
-              title={p.agent_id ? '点击 @ 此人' : ''}
+              style={styles.seat}
+              title={p.nickname}
             >
               <div style={styles.seatEmoji}>{p.agent_emoji || '👤'}</div>
               <div style={styles.seatName}>{p.nickname}</div>
@@ -395,9 +259,8 @@ function MeetingRoom() {
           ))}
         </div>
         <form onSubmit={sendMessage} style={styles.form}>
-          <input type="text" placeholder="输入消息..." value={content} onChange={e => setContent(e.target.value)} style={styles.input} />
+          <input type="text" placeholder="输入消息... (使用 @ 来呼叫龙虾)" value={content} onChange={e => setContent(e.target.value)} style={styles.input} />
           <button type="submit" style={styles.btn}>发送</button>
-          <button type="button" onClick={mentionAgent} style={styles.btnPink}>📍 @Agent</button>
         </form>
       </div>
     </div>
@@ -424,24 +287,17 @@ const styles = {
   container: { maxWidth: '900px', margin: '0 auto', padding: '20px', fontFamily: '-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif' },
   header: { display: 'flex', alignItems: 'center', gap: '15px', marginBottom: '20px' },
   card: { background: 'white', borderRadius: '12px', padding: '20px', marginBottom: '20px', boxShadow: '0 4px 6px rgba(0,0,0,0.1)' },
-  infoCard: { background: '#e7f3ff', border: '1px solid #2196f3', borderRadius: '12px', padding: '15px', marginBottom: '20px' },
   title: { margin: '0 0 20px', color: '#1a365d', textAlign: 'center' },
   form: { display: 'flex', gap: '10px' },
   input: { flex: 1, padding: '12px', border: '2px solid #e2e8f0', borderRadius: '8px', fontSize: '14px' },
   btn: { padding: '12px 20px', background: 'linear-gradient(135deg, #667eea 0%, #764ba2 100%)', color: 'white', border: 'none', borderRadius: '8px', cursor: 'pointer', fontWeight: '600' },
-  btnGreen: { padding: '8px 16px', background: 'linear-gradient(135deg, #11998e 0%, #38ef7d 100%)', color: 'white', border: 'none', borderRadius: '6px', cursor: 'pointer', marginRight: '8px' },
-  btnRed: { padding: '8px 16px', background: 'linear-gradient(135deg, #eb3349 0%, #f45c43 100%)', color: 'white', border: 'none', borderRadius: '6px', cursor: 'pointer', marginRight: '8px' },
-  btnBlue: { padding: '8px 16px', background: 'linear-gradient(135deg, #4facfe 0%, #00f2fe 100%)', color: 'white', border: 'none', borderRadius: '6px', cursor: 'pointer' },
-  btnPink: { padding: '8px 16px', background: 'linear-gradient(135deg, #f093fb 0%, #f5576c 100%)', color: 'white', border: 'none', borderRadius: '6px', cursor: 'pointer' },
   smallBtn: { padding: '8px 16px', background: '#edf2f7', border: 'none', borderRadius: '6px', cursor: 'pointer' },
   list: { display: 'flex', flexDirection: 'column', gap: '15px' },
   item: { background: 'white', borderRadius: '12px', padding: '20px', display: 'flex', justifyContent: 'space-between', alignItems: 'center', boxShadow: '0 4px 6px rgba(0,0,0,0.1)' },
   link: { color: '#4299e1', textDecoration: 'none', fontSize: '16px' },
   badge: { background: '#667eea', color: 'white', padding: '4px 10px', borderRadius: '20px', fontSize: '12px', fontWeight: '600' },
-  btnGroup: { display: 'flex', marginTop: '10px' },
   seats: { display: 'flex', flexWrap: 'wrap', gap: '15px', justifyContent: 'center' },
-  seat: { background: 'linear-gradient(135deg, #667eea 0%, #764ba2 100%)', color: 'white', padding: '15px', borderRadius: '50%', width: '90px', height: '90px', display: 'flex', flexDirection: 'column', alignItems: 'center', justifyContent: 'center', textAlign: 'center', cursor: 'pointer', transition: 'transform 0.2s', ':hover': { transform: 'scale(1.1)' } },
-  seatHover: { transform: 'scale(1.05)' },
+  seat: { background: 'linear-gradient(135deg, #667eea 0%, #764ba2 100%)', color: 'white', padding: '15px', borderRadius: '50%', width: '90px', height: '90px', display: 'flex', flexDirection: 'column', alignItems: 'center', justifyContent: 'center', textAlign: 'center', cursor: 'default' },
   seatEmoji: { fontSize: '28px', marginBottom: '5px' },
   seatName: { fontSize: '12px', fontWeight: '600' },
   hostBadge: { fontSize: '10px', opacity: '0.8' },