diff --git a/backend/meetings/views.py b/backend/meetings/views.py
index ad8b80a9..19427434 100644
--- a/backend/meetings/views.py
+++ b/backend/meetings/views.py
@@ -53,7 +53,7 @@ class MeetingViewSet(viewsets.ModelViewSet):
             is_host=True
         )
         
-        # 创建虚拟龙虾参会者（如果指定了 host_agent_id）
+        # 如果指定了 host_agent_id，创建该龙虾参会者
         if host_agent_id:
             Participant.objects.create(
                 meeting=meeting,
@@ -65,8 +65,8 @@ class MeetingViewSet(viewsets.ModelViewSet):
                 is_host=False
             )
         
-        # 如果没有指定 host_agent_id，创建两个虚拟龙虾
-        if not host_agent_id and request.data.get('auto_add_virtual_agents', True):
+        # 如果没有龙虾，添加虚拟坐席
+        if request.data.get('auto_add_virtual_agents', False):
             Participant.objects.create(
                 meeting=meeting,
                 agent_type='openclaw',
diff --git a/frontend/src/App.js b/frontend/src/App.js
index bfb33e37..ef597137 100644
--- a/frontend/src/App.js
+++ b/frontend/src/App.js
@@ -167,9 +167,14 @@ 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 res = await axios.post(`${API_BASE}/meetings/`, { 
         topic,
-        auto_add_virtual_agents: autoAddAgents
+        auto_add_virtual_agents: !autoAddAgents ? false : agentIds.length === 0, // 如果没有龙虾才添加虚拟的
+        host_agent_id: agentIds.length > 0 ? agentIds[0] : null
       });
       navigate(`/meeting/${res.data.id}`);
     } catch (error) {