diff --git a/src/Client/Client.ts b/src/Client/Client.ts
index bbce7da..edb3abe 100644
--- a/src/Client/Client.ts
+++ b/src/Client/Client.ts
@@ -81,9 +81,9 @@ export default class Client {
 		if (true) {
 			//@ts-ignore
 			if (req.Data != null && req.Data != undefined && req.Data != NaN) {
-				console.log(`[RPC] 傳送client資料:(${req.WS.clientCount}): ${req.Method}(${JSON.stringify(req.Data)})`)
+				console.log(`[RPC] 傳送client資料:(${this.clientCount}): ${req.Method}(${JSON.stringify(req.Data)})`)
 			} else {
-				console.log(`[RPC] 傳送client資料:(${req.WS.clientCount}): ${req.Method}()`)
+				console.log(`[RPC] 傳送client資料:(${this.clientCount}): ${req.Method}()`)
 			}
 		}
 
diff --git a/src/DataReceived/MainControlData.ts b/src/DataReceived/MainControlData.ts
index da668f8..7627f0d 100644
--- a/src/DataReceived/MainControlData.ts
+++ b/src/DataReceived/MainControlData.ts
@@ -12,8 +12,10 @@ export default class MainControlData {
 		if (req.IsValid) {
 			switch (req.Method) {
 				case "lobby.list":
-					Lobby.GetList(req);
-					// GiftData.Instance?.AddCommonList(resp.Data)
+					Lobby.List(req);
+					break
+				case "lobby.create":
+					Lobby.Create(req);
 					break
 				default:
 					// if (GameMain.Instance && GameMain.Instance.node && GameMain.Instance.node.parent) {
diff --git a/src/Engine/CatanEngine/NetManagerV2/Core/INetResponse.ts b/src/Engine/CatanEngine/NetManagerV2/Core/INetResponse.ts
index 519a3b1..0ef4d15 100644
--- a/src/Engine/CatanEngine/NetManagerV2/Core/INetResponse.ts
+++ b/src/Engine/CatanEngine/NetManagerV2/Core/INetResponse.ts
@@ -2,7 +2,7 @@ import Client from "../../../../Client/Client"
 
 export interface INetResponse<TResponse> {
 	readonly Method: string
-	readonly WS: Client
+	readonly WS?: Client
 	readonly Status: number
 	readonly Data: TResponse
 	readonly IsValid?: boolean
diff --git a/src/Engine/CatanEngine/NetManagerV2/NetResponse.ts b/src/Engine/CatanEngine/NetManagerV2/NetResponse.ts
index 56e0ea2..edd38ec 100644
--- a/src/Engine/CatanEngine/NetManagerV2/NetResponse.ts
+++ b/src/Engine/CatanEngine/NetManagerV2/NetResponse.ts
@@ -1,18 +1,13 @@
-import Client from "../../../Client/Client"
 import { INetResponse } from "./Core/INetResponse"
 
 export abstract class NetResponse implements INetResponse<any> {
 	protected data: any = undefined
 	protected method: string = ""
-	protected ws: Client = undefined
 	protected status: number = undefined
 
 	get Method(): string {
 		return this.method
 	}
-	get WS(): Client {
-		return this.ws
-	}
 	get Status(): number {
 		return this.status
 	}
@@ -20,9 +15,8 @@ export abstract class NetResponse implements INetResponse<any> {
 		return this.data
 	}
 
-	constructor(ws: Client, data: any, status: number = 0) {
-		this.ws = ws
-		this.data = data
+	constructor(data: any = undefined, status: number = 0) {
+		this.data = data ?? ""
 		this.status = status
 	}
 }
diff --git a/src/Lobby/Lobby.ts b/src/Lobby/Lobby.ts
index 1b3d988..96d636d 100644
--- a/src/Lobby/Lobby.ts
+++ b/src/Lobby/Lobby.ts
@@ -1,4 +1,4 @@
-import { LobbyListRequest } from "../define/Request/LobbyRequest";
+import { LobbyCreateRequest, LobbyListRequest } from "../define/Request/LobbyRequest";
 import { INetResponse } from "../Engine/CatanEngine/NetManagerV2/Core/INetResponse";
 import Room from "../Room/Room";
 
@@ -10,22 +10,30 @@ export default class Lobby {
 	//#region private
 
 	private static list: Room[] = []
+	private static serialNumber: number = 0
 
 	//#endregion
 
 	//#region Custom
 
 	/** GetList */
-	public static GetList(req: INetResponse<any>): void {
-		let resp: LobbyListRequest = new LobbyListRequest(req.WS, this.list, 0)
+	public static List(req: INetResponse<any>): void {
+		const data = []
+		for (let i = 0; i < this.list.length; i++) {
+			const room = this.list[i];
+			data.push(room.SerialNumber)
+		}
+		const resp: LobbyListRequest = new LobbyListRequest(data, 0)
 		req.WS.SendClient(resp)
 	}
 
 	/** Create */
 	public static Create(req: INetResponse<any>): void {
-		let room = new Room()
+		const room: Room = new Room(Lobby.serialNumber, req.WS)
+		Lobby.serialNumber++;
 		this.list.push(room)
-		//
+		const resp: LobbyCreateRequest = new LobbyCreateRequest()
+		req.WS.SendClient(resp)
 	}
 
 	/** Join */
diff --git a/src/Room/Room.ts b/src/Room/Room.ts
index f06136d..d85bc69 100644
--- a/src/Room/Room.ts
+++ b/src/Room/Room.ts
@@ -1,12 +1,19 @@
-import BaseSingleton from "../Engine/Utils/Singleton/BaseSingleton"
+import Client from "../Client/Client"
 
 /**
  * Room
  */
-export default class Room extends BaseSingleton<Room>() {
+export default class Room {
+
+	//#region public
+
+	public SerialNumber: number = 0
+
+	//#endregion
 
 	//#region private
 
+	private wsArr: Client[] = []
 
 	//#endregion
 
@@ -15,9 +22,9 @@ export default class Room extends BaseSingleton<Room>() {
 	/**
 	 *
 	 */
-	constructor() {
-		super()
-
+	constructor(serialNumber: number, ws: Client) {
+		this.SerialNumber = serialNumber
+		this.wsArr.push(ws)
 	}
 
 	//#endregion
diff --git a/src/define/Request/LobbyRequest.ts b/src/define/Request/LobbyRequest.ts
index 9707b59..9a974c8 100644
--- a/src/define/Request/LobbyRequest.ts
+++ b/src/define/Request/LobbyRequest.ts
@@ -1,13 +1,19 @@
 import { NetResponse } from "../../Engine/CatanEngine/NetManagerV2/NetResponse"
-import Room from "../../Room/Room"
 
 // #region Request
 
-export type RpcLobbyListRequest = Room[]
-
+export type RpcLobbyListRequest = any[]
 export class LobbyListRequest extends NetResponse {
-	protected data: RpcLobbyListRequest = undefined
+	protected data: RpcLobbyListRequest
 	protected method: string = "lobby.list"
+	constructor(data: RpcLobbyListRequest = undefined, status: number = 0) { super(data, status) }
+}
+
+export type RpcLobbyCreateRequest = undefined
+export class LobbyCreateRequest extends NetResponse {
+	protected data: RpcLobbyListRequest
+	protected method: string = "lobby.create"
+	constructor(data: RpcLobbyCreateRequest = undefined, status: number = 0) { super(data, status) }
 }
 
 // #endregion