diff --git a/src/class/httphandler.ts b/src/class/httphandler.ts
index 259cf45..1ee3b7a 100644
--- a/src/class/httphandler.ts
+++ b/src/class/httphandler.ts
@@ -7,7 +7,7 @@ import Offer from './offer';
 import Answer from './answer';
 import Candidate from './candidate';
 import { v4 as uuid } from 'uuid';
-import { onGetAllConnectionIds, onGetOnlineUsers as onGetWsOnlineUsers } from './websockethandler';
+import { onGetAllConnectionIds, onGetOnlineUsers as onGetWsOnlineUsers, onGetRooms as onGetWsRooms } from './websockethandler';
 import { log, LogLevel } from '../log';
 /**
  * 断开连接记录类
@@ -1039,40 +1039,13 @@ function postCandidate(req: Request, res: Response): void {
  *                   description: 总房间数
  */
 function onGetConnections(req: Request, res: Response): void {
+  const connectionId = typeof req.query.connectionId === 'string' ? req.query.connectionId : undefined;
+  const wsRooms = onGetWsRooms(connectionId).map((room) => ({
+    ...room,
+    users: room.members
+  }));
 
-  // 收集所有房间ID和链接用户信息
-  const rooms = [];
-
-  // 遍历所有连接对
-  for (const [connectionId, pair] of Array.from(connectionPair.entries())) {
-    // 收集房间中的用户信息
-    const users = [];
-
-    // 添加第一个用户
-    if (pair[0] && clients.has(pair[0])) {
-      users.push({
-        sessionId: pair[0],
-        connected: true
-      });
-    }
-
-    // 添加第二个用户
-    if (pair[1] && clients.has(pair[1])) {
-      users.push({
-        sessionId: pair[1],
-        connected: true
-      });
-    }
-
-    // 添加房间信息
-    rooms.push({
-      roomId: connectionId,
-      users: users,
-      userCount: users.length
-    });
-  }
-
-  res.json({ rooms: rooms, totalRooms: rooms.length });
+  res.json({ rooms: wsRooms, totalRooms: wsRooms.length });
 }
 
 /**
diff --git a/src/class/websockethandler.ts b/src/class/websockethandler.ts
index 7f6cba0..b40f54b 100644
--- a/src/class/websockethandler.ts
+++ b/src/class/websockethandler.ts
@@ -53,12 +53,37 @@ interface OnlineUser {
   avatar: string;
 }
 
+interface RoomMemberInfo extends OnlineUser {
+  joinedAt: number;
+  updatedAt: number;
+}
+
+interface RoomSnapshot {
+  roomId: string;
+  connectionId: string;
+  hostSocketId: string;
+  createdAt: number;
+  updatedAt: number;
+  members: RoomMemberInfo[];
+  userCount: number;
+}
+
+interface StoredRoom {
+  roomId: string;
+  connectionId: string;
+  hostSocketId: string;
+  createdAt: number;
+  updatedAt: number;
+  members: Map<string, RoomMemberInfo>;
+}
+
 /**
  * 连接组映射
  * 键: connectionId
  * 值: ConnectionGroup（1个host + 多个participants）
  */
 const connectionGroup: Map<string, ConnectionGroup> = new Map<string, ConnectionGroup>();
+const rooms: Map<string, StoredRoom> = new Map<string, StoredRoom>();
 
 function asAppWebSocket(ws: WebSocket): AppWebSocket {
   return ws as AppWebSocket;
@@ -89,7 +114,12 @@ function getUserInfo(ws: WebSocket): UserInfo {
 }
 
 function setUserInfo(ws: WebSocket, userInfo: UserInfo): void {
-  asAppWebSocket(ws).userInfo = userInfo;
+  asAppWebSocket(ws).userInfo = {
+    id: userInfo.id || '',
+    name: userInfo.name || '',
+    avatar: userInfo.avatar || ''
+  };
+  updateRoomMembersForSocket(ws);
 }
 
 function safeSend(ws: WebSocket, payload: unknown): boolean {
@@ -111,6 +141,106 @@ function findParticipantSocket(group: ConnectionGroup, participantId: string): W
   return null;
 }
 
+function getSocketRoleInRoom(ws: WebSocket, connectionId: string): 'host' | 'participant' | 'idle' {
+  const group = connectionGroup.get(connectionId);
+  if (group) {
+    if (group.host === ws) {
+      return 'host';
+    }
+    if (group.participants.has(ws)) {
+      return 'participant';
+    }
+  }
+
+  return isPrivate ? 'idle' : 'participant';
+}
+
+function toRoomMember(ws: WebSocket, connectionId: string, existing?: RoomMemberInfo): RoomMemberInfo {
+  const userInfo = getUserInfo(ws);
+  const now = Date.now();
+  return {
+    socketId: ensureSocketId(ws),
+    connectionId,
+    participantId: ensureParticipantId(ws),
+    role: getSocketRoleInRoom(ws, connectionId),
+    userId: userInfo.id || '',
+    name: userInfo.name || '',
+    avatar: userInfo.avatar || '',
+    joinedAt: existing ? existing.joinedAt : now,
+    updatedAt: now
+  };
+}
+
+function getOrCreateRoom(connectionId: string, ws: WebSocket): StoredRoom {
+  let room = rooms.get(connectionId);
+  const now = Date.now();
+  const socketId = ensureSocketId(ws);
+  if (!room) {
+    room = {
+      roomId: connectionId,
+      connectionId,
+      hostSocketId: '',
+      createdAt: now,
+      updatedAt: now,
+      members: new Map<string, RoomMemberInfo>()
+    };
+    rooms.set(connectionId, room);
+  }
+
+  if (!room.hostSocketId || getSocketRoleInRoom(ws, connectionId) === 'host') {
+    room.hostSocketId = socketId;
+  }
+  room.updatedAt = now;
+  return room;
+}
+
+function saveRoomMember(ws: WebSocket, connectionId: string): void {
+  const room = getOrCreateRoom(connectionId, ws);
+  const socketId = ensureSocketId(ws);
+  const existing = room.members.get(socketId);
+  room.members.set(socketId, toRoomMember(ws, connectionId, existing));
+  room.updatedAt = Date.now();
+}
+
+function updateRoomMembersForSocket(ws: WebSocket): void {
+  const connectionIds = clients.get(ws);
+  if (!connectionIds) {
+    return;
+  }
+
+  connectionIds.forEach(connectionId => {
+    if (rooms.has(connectionId)) {
+      saveRoomMember(ws, connectionId);
+    }
+  });
+}
+
+function removeRoomMember(ws: WebSocket, connectionId: string): void {
+  const room = rooms.get(connectionId);
+  if (!room) {
+    return;
+  }
+
+  room.members.delete(getSocketId(ws));
+  room.updatedAt = Date.now();
+  if (room.members.size === 0 || room.hostSocketId === getSocketId(ws)) {
+    rooms.delete(connectionId);
+  }
+}
+
+function toRoomSnapshot(room: StoredRoom): RoomSnapshot {
+  const members = Array.from(room.members.values());
+  return {
+    roomId: room.roomId,
+    connectionId: room.connectionId,
+    hostSocketId: room.hostSocketId,
+    createdAt: room.createdAt,
+    updatedAt: room.updatedAt,
+    members,
+    userCount: members.length
+  };
+}
+
 /**
  * 获取或创建WebSocket会话的连接ID集合
  * @param session WebSocket会话实例
@@ -140,6 +270,7 @@ function reset(mode: string): void {
   isPrivate = mode == "private";
   clients.clear();
   connectionGroup.clear();
+  rooms.clear();
 }
 
 /**
@@ -201,12 +332,16 @@ function remove(ws: WebSocket): void {
         group.participants.forEach(participantWs => {
           safeSend(participantWs, { type: "disconnect", connectionId: connectionId, reason: "host-left" });
         });
+        rooms.delete(connectionId);
         connectionGroup.delete(connectionId);
       } else {
         group.participants.delete(ws);
+        removeRoomMember(ws, connectionId);
         // 包含participantId，让host能识别是哪个participant离开
         safeSend(group.host, { type: "participant-left", connectionId: connectionId, participantId: getParticipantId(ws) });
       }
+    } else {
+      removeRoomMember(ws, connectionId);
     }
     log(LogLevel.log, `Remove connectionId: ${connectionId}`);
   });
@@ -242,6 +377,7 @@ function onConnect(ws: WebSocket, connectionId: string): void {
   const connectionIds = getOrCreateConnectionIds(ws);
   connectionIds.add(connectionId);
   const role = polite ? 'participant' : 'host';
+  saveRoomMember(ws, connectionId);
   safeSend(ws, { type: "connect", connectionId: connectionId, polite: polite, role: role, participantId: participantId });
 }
 
@@ -266,14 +402,18 @@ function onDisconnect(ws: WebSocket, connectionId: string): void {
       group.participants.forEach(participantWs => {
         safeSend(participantWs, { type: "disconnect", connectionId: connectionId, reason: "host-left" });
       });
+      rooms.delete(connectionId);
       connectionGroup.delete(connectionId);
       log(LogLevel.log, `Host disconnected, room ${connectionId} deleted, notified ${group.participants.size} participants`);
     } else {
       // participant断开连接，从组中移除并通知host（使用participant-left类型，host不会关闭房间）
       group.participants.delete(ws);
+      removeRoomMember(ws, connectionId);
       safeSend(group.host, { type: "participant-left", connectionId: connectionId, participantId: getParticipantId(ws) });
       log(LogLevel.log, `Participant left connectionId: ${connectionId}, remaining participants: ${group.participants.size}`);
     }
+  } else {
+    removeRoomMember(ws, connectionId);
   }
 
   // 向当前连接发送断开连接消息
@@ -328,6 +468,7 @@ function onOffer(ws: WebSocket, message: any): void {
   if (!connectionGroup.has(connectionId)) {
     connectionGroup.set(connectionId, { host: ws, participants: new Set<WebSocket>() });
   }
+  saveRoomMember(ws, connectionId);
   // 向所有其他客户端广播offer
   clients.forEach((_v, k) => {
     if (k == ws) {
@@ -570,8 +711,11 @@ function RemoveHeartbeat(ws: WebSocket) {
  */
 function onGetAllConnectionIds(): string[] {
   // 获取所有connectionId
-  const connectionIds = Array.from(connectionGroup.keys());
-  return connectionIds;
+  const connectionIds = new Set<string>(Array.from(connectionGroup.keys()));
+  rooms.forEach((_room, connectionId) => {
+    connectionIds.add(connectionId);
+  });
+  return Array.from(connectionIds);
 }
 
 /**
@@ -629,6 +773,17 @@ function onGetOnlineUsers(connectionId?: string): OnlineUser[] {
   return onlineUsers;
 }
 
+function onGetRooms(connectionId?: string): RoomSnapshot[] {
+  const roomSnapshots: RoomSnapshot[] = [];
+  rooms.forEach((room, roomConnectionId) => {
+    if (connectionId && roomConnectionId !== connectionId) {
+      return;
+    }
+    roomSnapshots.push(toRoomSnapshot(room));
+  });
+  return roomSnapshots;
+}
+
 /**
  * 处理chat-message信令（1对多模式）
  * host的消息转发给所有participants，participant的消息转发给host
@@ -677,5 +832,5 @@ function onMessage(ws: WebSocket, message: any): void {
  * 导出WebSocket处理器函数
  */
 export { reset, add, remove, onConnect, onDisconnect, onOffer, onAnswer, onCandidate, onCallConnectionId, 
-  onBroadcast, onGetAllConnectionIds, onGetOnlineUsers, AddHeartbeat, RemoveHeartbeat, onMessage, isHost, 
+  onBroadcast, onGetAllConnectionIds, onGetOnlineUsers, onGetRooms, AddHeartbeat, RemoveHeartbeat, onMessage, isHost, 
   broadcastToGroup, connectionGroup, onHostUserInfo, onInviteCall };
diff --git a/src/signaling.ts b/src/signaling.ts
index 6983daf..5671bab 100644
--- a/src/signaling.ts
+++ b/src/signaling.ts
@@ -6,6 +6,7 @@ const router: express.Router = express.Router();
 // 不需要会话ID的路由
 router.get('/connection-ids', handler.getAllConnectionIds);
 router.get('/users', handler.getOnlineUsers);
+router.get('/rooms', handler.onGetConnections);
 
 // 需要会话ID的路由
 router.use(handler.checkSessionId);
diff --git a/test/websockethandler.test.ts b/test/websockethandler.test.ts
index 53a6534..fd9ec31 100644
--- a/test/websockethandler.test.ts
+++ b/test/websockethandler.test.ts
@@ -161,6 +161,35 @@ describe('websocket signaling test in private mode', () => {
     });
   });
 
+  test('save room and member info', async () => {
+    wsHandler.onHostUserInfo(client, { id: 'host-user', name: 'Host User', avatar: '/host.png' });
+    wsHandler.onHostUserInfo(client2, { id: 'guest-user', name: 'Guest User', avatar: '/guest.png' });
+
+    expect(wsHandler.onGetRooms()).toEqual([
+      expect.objectContaining({
+        roomId: connectionId,
+        connectionId: connectionId,
+        userCount: 2,
+        members: expect.arrayContaining([
+          expect.objectContaining({
+            connectionId: connectionId,
+            role: 'host',
+            userId: 'host-user',
+            name: 'Host User',
+            avatar: '/host.png'
+          }),
+          expect.objectContaining({
+            connectionId: connectionId,
+            role: 'participant',
+            userId: 'guest-user',
+            name: 'Guest User',
+            avatar: '/guest.png'
+          })
+        ])
+      })
+    ]);
+  });
+
   test('send offer from session1', async () => {
     await wsHandler.onOffer(client, { connectionId: connectionId, sdp: testsdp });
     const receiveOffer = new Offer(testsdp, Date.now(), true);