diff --git a/components.d.ts b/components.d.ts
index 660abe8..c5e30db 100644
--- a/components.d.ts
+++ b/components.d.ts
@@ -12,16 +12,20 @@ export {}
 /* prettier-ignore */
 declare module 'vue' {
   export interface GlobalComponents {
+    CreateRoomDialog: typeof import('./src/components/baseLayouts/CreateRoomDialog.vue')['default']
     ElAvatar: typeof import('element-plus/es')['ElAvatar']
     ElBadge: typeof import('element-plus/es')['ElBadge']
     ElButton: typeof import('element-plus/es')['ElButton']
     ElCheckbox: typeof import('element-plus/es')['ElCheckbox']
+    ElDialog: typeof import('element-plus/es')['ElDialog']
     ElForm: typeof import('element-plus/es')['ElForm']
     ElFormItem: typeof import('element-plus/es')['ElFormItem']
     ElIcon: typeof import('element-plus/es')['ElIcon']
     ElInput: typeof import('element-plus/es')['ElInput']
     ElInputOtp: typeof import('element-plus/es')['ElInputOtp']
+    ElOption: typeof import('element-plus/es')['ElOption']
     ElPopover: typeof import('element-plus/es')['ElPopover']
+    ElSelect: typeof import('element-plus/es')['ElSelect']
     ElTooltip: typeof import('element-plus/es')['ElTooltip']
     GameList: typeof import('./src/components/baseLayouts/GameList.vue')['default']
     Lobby: typeof import('./src/components/baseLayouts/Lobby.vue')['default']
@@ -34,16 +38,20 @@ declare module 'vue' {
 
 // For TSX support
 declare global {
+  const CreateRoomDialog: typeof import('./src/components/baseLayouts/CreateRoomDialog.vue')['default']
   const ElAvatar: typeof import('element-plus/es')['ElAvatar']
   const ElBadge: typeof import('element-plus/es')['ElBadge']
   const ElButton: typeof import('element-plus/es')['ElButton']
   const ElCheckbox: typeof import('element-plus/es')['ElCheckbox']
+  const ElDialog: typeof import('element-plus/es')['ElDialog']
   const ElForm: typeof import('element-plus/es')['ElForm']
   const ElFormItem: typeof import('element-plus/es')['ElFormItem']
   const ElIcon: typeof import('element-plus/es')['ElIcon']
   const ElInput: typeof import('element-plus/es')['ElInput']
   const ElInputOtp: typeof import('element-plus/es')['ElInputOtp']
+  const ElOption: typeof import('element-plus/es')['ElOption']
   const ElPopover: typeof import('element-plus/es')['ElPopover']
+  const ElSelect: typeof import('element-plus/es')['ElSelect']
   const ElTooltip: typeof import('element-plus/es')['ElTooltip']
   const GameList: typeof import('./src/components/baseLayouts/GameList.vue')['default']
   const Lobby: typeof import('./src/components/baseLayouts/Lobby.vue')['default']
diff --git a/src/api/mock/game-list.ts b/src/api/mock/game-list.ts
index 943e357..232fb2f 100644
--- a/src/api/mock/game-list.ts
+++ b/src/api/mock/game-list.ts
@@ -7,27 +7,47 @@ export const mockGameList: GameItem[] = [
     icon: '🐍',
     name: '贪吃蛇',
     description: '经典贪吃蛇竞技，在狭小空间内争夺生存权',
-    gameplay: '方向键控制蛇的移动，吃到食物变长。撞墙或其他蛇的身体即死亡，最后存活的玩家获胜。'
+    gameplay: '方向键控制蛇的移动，吃到食物变长。撞墙或其他蛇的身体即死亡，最后存活的玩家获胜。',
+    config: {
+      maxPlayers: 4,
+      modes: ['经典模式', '道具模式', '加速模式'],
+      stakesOptions: [100, 200, 300, 400, 500]
+    }
   },
   {
     id: 'tetris',
     icon: '🧊',
     name: '俄罗斯方块',
     description: '经典下落消除，与对手一较高下',
-    gameplay: '方向键移动和旋转方块，填满横排即可消除。同时向对手发送干扰行，坚持到最后的玩家获胜。'
+    gameplay: '方向键移动和旋转方块，填满横排即可消除。同时向对手发送干扰行，坚持到最后的玩家获胜。',
+    config: {
+      maxPlayers: 2,
+      modes: ['1v1对战', '竞速模式'],
+      stakesOptions: [150, 200, 300, 400, 500]
+    }
   },
   {
     id: 'gomoku',
     icon: '⚫',
     name: '五子棋',
     description: '黑白对弈，先连成五子者胜',
-    gameplay: '鼠标点击落子，黑白双方轮流在棋盘上放置棋子。先在横、竖、斜任意方向连成五子的一方获胜。'
+    gameplay: '鼠标点击落子，黑白双方轮流在棋盘上放置棋子。先在横、竖、斜任意方向连成五子的一方获胜。',
+    config: {
+      maxPlayers: 2,
+      modes: ['无禁手', '有禁手'],
+      stakesOptions: [100, 200, 300, 400, 500]
+    }
   },
   {
     id: 'guess-number',
     icon: '🔢',
     name: '猜数字',
     description: '逻辑推理对战，猜中对方的秘密数字',
-    gameplay: '每轮输入猜测的数字组合，系统会提示位置和数字正确的数量。率先猜中对手数字组合的玩家获胜。'
+    gameplay: '每轮输入猜测的数字组合，系统会提示位置和数字正确的数量。率先猜中对手数字组合的玩家获胜。',
+    config: {
+      maxPlayers: 4,
+      modes: ['经典模式', '限时模式'],
+      stakesOptions: [100, 150, 200, 300, 500]
+    }
   }
 ]
diff --git a/src/api/mock/game-room.ts b/src/api/mock/game-room.ts
index b7a0079..55fd3e8 100644
--- a/src/api/mock/game-room.ts
+++ b/src/api/mock/game-room.ts
@@ -10,134 +10,287 @@ export const mockRoomList: Record<string, RoomItem[]> = {
   /* ---- 贪吃蛇 ---- */
   snake: [
     {
-      id: 'snake-001', name: '桌 01', gameIcon: '🐍', gameId: 'snake',
-      maxPlayers: 4,
-      players: [{ avatar: avatarUrl('小龙'), nickname: '小龙' }, { avatar: avatarUrl('阿蟒'), nickname: '阿蟒' }],
-      status: 'waiting', statusText: '等待中', stakes: 300, mode: '经典模式', creatorName: '小龙'
-    },
-    {
-      id: 'snake-002', name: '桌 02', gameIcon: '🐍', gameId: 'snake',
+      id: 'snake-001',
+      name: '桌 01',
+      gameIcon: '🐍',
+      gameId: 'snake',
       maxPlayers: 4,
       players: [
-        { avatar: avatarUrl('闪电'), nickname: '闪电' }, { avatar: avatarUrl('疾风'), nickname: '疾风' },
-        { avatar: avatarUrl('游侠'), nickname: '游侠' }, { avatar: avatarUrl('幻影'), nickname: '幻影' }
+        { avatar: avatarUrl('小龙'), nickname: '小龙' },
+        { avatar: avatarUrl('阿蟒'), nickname: '阿蟒' }
       ],
-      status: 'playing', statusText: '进行中', stakes: 500, mode: '道具模式', creatorName: '闪电'
+      status: 'waiting',
+      statusText: '等待中',
+      stakes: 300,
+      mode: '经典模式',
+      creatorName: '小龙'
     },
     {
-      id: 'snake-003', name: '桌 03', gameIcon: '🐍', gameId: 'snake',
+      id: 'snake-002',
+      name: '桌 02',
+      gameIcon: '🐍',
+      gameId: 'snake',
+      maxPlayers: 4,
+      players: [
+        { avatar: avatarUrl('闪电'), nickname: '闪电' },
+        { avatar: avatarUrl('疾风'), nickname: '疾风' },
+        { avatar: avatarUrl('游侠'), nickname: '游侠' },
+        { avatar: avatarUrl('幻影'), nickname: '幻影' }
+      ],
+      status: 'playing',
+      statusText: '进行中',
+      stakes: 500,
+      mode: '道具模式',
+      creatorName: '闪电'
+    },
+    {
+      id: 'snake-003',
+      name: '桌 03',
+      gameIcon: '🐍',
+      gameId: 'snake',
       maxPlayers: 4,
       players: [{ avatar: avatarUrl('青蛇'), nickname: '青蛇' }],
-      status: 'waiting', statusText: '等待中', stakes: 200, mode: '加速模式', creatorName: '青蛇'
+      status: 'waiting',
+      statusText: '等待中',
+      stakes: 200,
+      mode: '加速模式',
+      creatorName: '青蛇'
     },
     {
-      id: 'snake-004', name: '桌 04', gameIcon: '🐍', gameId: 'snake',
-      maxPlayers: 4, players: [],
-      status: 'waiting', statusText: '等待中', stakes: 100, mode: '经典模式', creatorName: '毒牙'
+      id: 'snake-004',
+      name: '桌 04',
+      gameIcon: '🐍',
+      gameId: 'snake',
+      maxPlayers: 4,
+      players: [],
+      status: 'waiting',
+      statusText: '等待中',
+      stakes: 100,
+      mode: '经典模式',
+      creatorName: '毒牙'
     },
     {
-      id: 'snake-005', name: '桌 05', gameIcon: '🐍', gameId: 'snake',
+      id: 'snake-005',
+      name: '桌 05',
+      gameIcon: '🐍',
+      gameId: 'snake',
       maxPlayers: 4,
       players: [
-        { avatar: avatarUrl('巨蟒'), nickname: '巨蟒' }, { avatar: avatarUrl('灵蛇'), nickname: '灵蛇' },
+        { avatar: avatarUrl('巨蟒'), nickname: '巨蟒' },
+        { avatar: avatarUrl('灵蛇'), nickname: '灵蛇' },
         { avatar: avatarUrl('毒牙'), nickname: '毒牙' }
       ],
-      status: 'waiting', statusText: '等待中', stakes: 400, mode: '道具模式', creatorName: '巨蟒'
+      status: 'waiting',
+      statusText: '等待中',
+      stakes: 400,
+      mode: '道具模式',
+      creatorName: '巨蟒'
     }
   ],
 
   /* ---- 俄罗斯方块 ---- */
   tetris: [
     {
-      id: 'tetris-001', name: '桌 01', gameIcon: '🧊', gameId: 'tetris',
+      id: 'tetris-001',
+      name: '桌 01',
+      gameIcon: '🧊',
+      gameId: 'tetris',
       maxPlayers: 2,
       players: [{ avatar: avatarUrl('方块大师'), nickname: '方块大师' }],
-      status: 'waiting', statusText: '等待中', stakes: 300, mode: '1v1 对战', creatorName: '方块大师'
+      status: 'waiting',
+      statusText: '等待中',
+      stakes: 300,
+      mode: '1v1 对战',
+      creatorName: '方块大师'
     },
     {
-      id: 'tetris-002', name: '桌 02', gameIcon: '🧊', gameId: 'tetris',
+      id: 'tetris-002',
+      name: '桌 02',
+      gameIcon: '🧊',
+      gameId: 'tetris',
       maxPlayers: 2,
-      players: [{ avatar: avatarUrl('极速下落'), nickname: '极速下落' }, { avatar: avatarUrl('消行高手'), nickname: '消行高手' }],
-      status: 'playing', statusText: '进行中', stakes: 500, mode: '竞速模式', creatorName: '极速下落'
+      players: [
+        { avatar: avatarUrl('极速下落'), nickname: '极速下落' },
+        { avatar: avatarUrl('消行高手'), nickname: '消行高手' }
+      ],
+      status: 'playing',
+      statusText: '进行中',
+      stakes: 500,
+      mode: '竞速模式',
+      creatorName: '极速下落'
     },
     {
-      id: 'tetris-003', name: '桌 03', gameIcon: '🧊', gameId: 'tetris',
-      maxPlayers: 2, players: [],
-      status: 'waiting', statusText: '等待中', stakes: 150, mode: '1v1 对战', creatorName: '堆叠王者'
+      id: 'tetris-003',
+      name: '桌 03',
+      gameIcon: '🧊',
+      gameId: 'tetris',
+      maxPlayers: 2,
+      players: [],
+      status: 'waiting',
+      statusText: '等待中',
+      stakes: 150,
+      mode: '1v1 对战',
+      creatorName: '堆叠王者'
     },
     {
-      id: 'tetris-004', name: '桌 04', gameIcon: '🧊', gameId: 'tetris',
+      id: 'tetris-004',
+      name: '桌 04',
+      gameIcon: '🧊',
+      gameId: 'tetris',
       maxPlayers: 2,
       players: [{ avatar: avatarUrl('T旋大师'), nickname: 'T旋大师' }],
-      status: 'waiting', statusText: '等待中', stakes: 200, mode: '1v1 对战', creatorName: 'T旋大师'
+      status: 'waiting',
+      statusText: '等待中',
+      stakes: 200,
+      mode: '1v1 对战',
+      creatorName: 'T旋大师'
     },
     {
-      id: 'tetris-005', name: '桌 05', gameIcon: '🧊', gameId: 'tetris',
+      id: 'tetris-005',
+      name: '桌 05',
+      gameIcon: '🧊',
+      gameId: 'tetris',
       maxPlayers: 2,
-      players: [{ avatar: avatarUrl('连击王'), nickname: '连击王' }, { avatar: avatarUrl('消除者'), nickname: '消除者' }],
-      status: 'playing', statusText: '进行中', stakes: 400, mode: '竞速模式', creatorName: '连击王'
+      players: [
+        { avatar: avatarUrl('连击王'), nickname: '连击王' },
+        { avatar: avatarUrl('消除者'), nickname: '消除者' }
+      ],
+      status: 'playing',
+      statusText: '进行中',
+      stakes: 400,
+      mode: '竞速模式',
+      creatorName: '连击王'
     }
   ],
 
   /* ---- 五子棋 ---- */
   gomoku: [
     {
-      id: 'gomoku-001', name: '桌 01', gameIcon: '⚫', gameId: 'gomoku',
+      id: 'gomoku-001',
+      name: '桌 01',
+      gameIcon: '⚫',
+      gameId: 'gomoku',
       maxPlayers: 2,
       players: [{ avatar: avatarUrl('棋圣'), nickname: '棋圣' }],
-      status: 'waiting', statusText: '等待中', stakes: 200, mode: '无禁手', creatorName: '棋圣'
+      status: 'waiting',
+      statusText: '等待中',
+      stakes: 200,
+      mode: '无禁手',
+      creatorName: '棋圣'
     },
     {
-      id: 'gomoku-002', name: '桌 02', gameIcon: '⚫', gameId: 'gomoku',
+      id: 'gomoku-002',
+      name: '桌 02',
+      gameIcon: '⚫',
+      gameId: 'gomoku',
       maxPlayers: 2,
-      players: [{ avatar: avatarUrl('黑白子'), nickname: '黑白子' }, { avatar: avatarUrl('五连珠'), nickname: '五连珠' }],
-      status: 'playing', statusText: '进行中', stakes: 400, mode: '有禁手', creatorName: '黑白子'
+      players: [
+        { avatar: avatarUrl('黑白子'), nickname: '黑白子' },
+        { avatar: avatarUrl('五连珠'), nickname: '五连珠' }
+      ],
+      status: 'playing',
+      statusText: '进行中',
+      stakes: 400,
+      mode: '有禁手',
+      creatorName: '黑白子'
     },
     {
-      id: 'gomoku-003', name: '桌 03', gameIcon: '⚫', gameId: 'gomoku',
-      maxPlayers: 2, players: [],
-      status: 'waiting', statusText: '等待中', stakes: 100, mode: '无禁手', creatorName: '落子无悔'
+      id: 'gomoku-003',
+      name: '桌 03',
+      gameIcon: '⚫',
+      gameId: 'gomoku',
+      maxPlayers: 2,
+      players: [],
+      status: 'waiting',
+      statusText: '等待中',
+      stakes: 100,
+      mode: '无禁手',
+      creatorName: '落子无悔'
     },
     {
-      id: 'gomoku-004', name: '桌 04', gameIcon: '⚫', gameId: 'gomoku',
+      id: 'gomoku-004',
+      name: '桌 04',
+      gameIcon: '⚫',
+      gameId: 'gomoku',
       maxPlayers: 2,
       players: [{ avatar: avatarUrl('天元'), nickname: '天元' }],
-      status: 'waiting', statusText: '等待中', stakes: 300, mode: '有禁手', creatorName: '天元'
+      status: 'waiting',
+      statusText: '等待中',
+      stakes: 300,
+      mode: '有禁手',
+      creatorName: '天元'
     },
     {
-      id: 'gomoku-005', name: '桌 05', gameIcon: '⚫', gameId: 'gomoku',
+      id: 'gomoku-005',
+      name: '桌 05',
+      gameIcon: '⚫',
+      gameId: 'gomoku',
       maxPlayers: 2,
-      players: [{ avatar: avatarUrl('先手必胜'), nickname: '先手必胜' }, { avatar: avatarUrl('后手无敌'), nickname: '后手无敌' }],
-      status: 'playing', statusText: '进行中', stakes: 500, mode: '有禁手', creatorName: '先手必胜'
+      players: [
+        { avatar: avatarUrl('先手必胜'), nickname: '先手必胜' },
+        { avatar: avatarUrl('后手无敌'), nickname: '后手无敌' }
+      ],
+      status: 'playing',
+      statusText: '进行中',
+      stakes: 500,
+      mode: '有禁手',
+      creatorName: '先手必胜'
     }
   ],
 
   /* ---- 猜数字 ---- */
   'guess-number': [
     {
-      id: 'guess-001', name: '桌 01', gameIcon: '🔢', gameId: 'guess-number',
+      id: 'guess-001',
+      name: '桌 01',
+      gameIcon: '🔢',
+      gameId: 'guess-number',
       maxPlayers: 4,
-      players: [{ avatar: avatarUrl('逻辑怪'), nickname: '逻辑怪' }, { avatar: avatarUrl('推理王'), nickname: '推理王' }],
-      status: 'waiting', statusText: '等待中', stakes: 200, mode: '经典模式', creatorName: '逻辑怪'
+      players: [
+        { avatar: avatarUrl('逻辑怪'), nickname: '逻辑怪' },
+        { avatar: avatarUrl('推理王'), nickname: '推理王' }
+      ],
+      status: 'waiting',
+      statusText: '等待中',
+      stakes: 200,
+      mode: '经典模式',
+      creatorName: '逻辑怪'
     },
     {
-      id: 'guess-002', name: '桌 02', gameIcon: '🔢', gameId: 'guess-number',
+      id: 'guess-002',
+      name: '桌 02',
+      gameIcon: '🔢',
+      gameId: 'guess-number',
       maxPlayers: 4,
       players: [
         { avatar: avatarUrl('秒猜'), nickname: '秒猜' },
         { avatar: avatarUrl('心算'), nickname: '心算' },
         { avatar: avatarUrl('直觉'), nickname: '直觉' }
       ],
-      status: 'waiting', statusText: '等待中', stakes: 300, mode: '限时模式', creatorName: '秒猜'
+      status: 'waiting',
+      statusText: '等待中',
+      stakes: 300,
+      mode: '限时模式',
+      creatorName: '秒猜'
     },
     {
-      id: 'guess-003', name: '桌 03', gameIcon: '🔢', gameId: 'guess-number',
+      id: 'guess-003',
+      name: '桌 03',
+      gameIcon: '🔢',
+      gameId: 'guess-number',
       maxPlayers: 4,
       players: [{ avatar: avatarUrl('数字猎人'), nickname: '数字猎人' }],
-      status: 'waiting', statusText: '等待中', stakes: 150, mode: '经典模式', creatorName: '数字猎人'
+      status: 'waiting',
+      statusText: '等待中',
+      stakes: 150,
+      mode: '经典模式',
+      creatorName: '数字猎人'
     },
     {
-      id: 'guess-004', name: '桌 04', gameIcon: '🔢', gameId: 'guess-number',
+      id: 'guess-004',
+      name: '桌 04',
+      gameIcon: '🔢',
+      gameId: 'guess-number',
       maxPlayers: 4,
       players: [
         { avatar: avatarUrl('密码破解'), nickname: '密码破解' },
@@ -145,12 +298,68 @@ export const mockRoomList: Record<string, RoomItem[]> = {
         { avatar: avatarUrl('二分法'), nickname: '二分法' },
         { avatar: avatarUrl('穷举王'), nickname: '穷举王' }
       ],
-      status: 'playing', statusText: '进行中', stakes: 500, mode: '限时模式', creatorName: '密码破解'
+      status: 'playing',
+      statusText: '进行中',
+      stakes: 500,
+      mode: '限时模式',
+      creatorName: '密码破解'
     },
     {
-      id: 'guess-005', name: '桌 05', gameIcon: '🔢', gameId: 'guess-number',
-      maxPlayers: 4, players: [],
-      status: 'waiting', statusText: '等待中', stakes: 100, mode: '经典模式', creatorName: '神秘数字'
+      id: 'guess-005',
+      name: '桌 05',
+      gameIcon: '🔢',
+      gameId: 'guess-number',
+      maxPlayers: 4,
+      players: [],
+      status: 'waiting',
+      statusText: '等待中',
+      stakes: 100,
+      mode: '经典模式',
+      creatorName: '神秘数字'
     }
   ]
 }
+
+/**
+ * 初始化各游戏当前最大桌号计数器
+ *
+ * 从现有 mock 数据中扫描每个游戏最大桌号作为初始值。
+ * 后续创建房间时从该值 +1 开始递增。
+ */
+function initRoomCounters(): Record<string, number> {
+  const counters: Record<string, number> = {}
+  for (const [gameId, rooms] of Object.entries(mockRoomList)) {
+    let max = 0
+    for (const room of rooms) {
+      const match = room.name.match(/^桌\s*(\d+)$/)
+      if (match) {
+        // @ts-ignore
+        const num = parseInt(match[1], 10)
+        if (num > max) max = num
+      }
+    }
+    counters[gameId] = max
+  }
+  return counters
+}
+
+/** 各游戏当前最大桌号计数器 */
+export const roomCounters: Record<string, number> = initRoomCounters()
+
+/**
+ * 获取下一个可用桌号
+ *
+ * 格式："桌 01"、"桌 02" … 两位数补零。
+ * 每次调用后计数器自增。
+ *
+ * @param gameId - 游戏 ID
+ * @returns 格式化的桌号字符串，如 "桌 06"
+ */
+export function nextRoomTableNumber(gameId: string): string {
+  if (!roomCounters[gameId]) {
+    roomCounters[gameId] = 0
+  }
+  roomCounters[gameId]++
+  const num = roomCounters[gameId]
+  return `桌 ${String(num).padStart(2, '0')}`
+}
diff --git a/src/api/mock/index.ts b/src/api/mock/index.ts
index 98cb8d4..4e637a5 100644
--- a/src/api/mock/index.ts
+++ b/src/api/mock/index.ts
@@ -1,8 +1,8 @@
 import type { AxiosRequestConfig, AxiosResponse, InternalAxiosRequestConfig } from 'axios'
 import { requestClient } from '@/api/request'
 import { mockGameList } from './game-list'
-import { mockRoomList } from './game-room'
-import type { GetRoomListRequest } from '../modules/game/types'
+import { mockRoomList, nextRoomTableNumber } from './game-room'
+import type { CreateRoomRequest, GetRoomListRequest, RoomItem } from '../modules/game/types'
 
 /**
  * Mock 处理器函数类型
@@ -45,6 +45,50 @@ const mockRoutes: MockRoute[] = [
       }
       return { list: rooms }
     }
+  },
+  {
+    method: 'post',
+    url: '/game/room/create',
+    delay: 200,
+    handler: (config) => {
+      const body = JSON.parse(config.data as string) as CreateRoomRequest
+      const { gameId, name, maxPlayers, mode, stakes } = body
+
+      const tableName = nextRoomTableNumber(gameId)
+      // 从现有最大 ID 编号 +1 生成新 ID
+      const existingRooms = mockRoomList[gameId] ?? []
+      let maxIdNum = 0
+      for (const room of existingRooms) {
+        const match = room.id.match(/-(\d+)$/)
+        if (match) {
+          const num = parseInt(match[1], 10)
+          if (num > maxIdNum) maxIdNum = num
+        }
+      }
+      const newId = `${gameId}-${String(maxIdNum + 1).padStart(3, '0')}`
+
+      const newRoom: RoomItem = {
+        id: newId,
+        name: name || tableName,
+        gameIcon: mockGameList.find((g) => g.id === gameId)?.icon ?? '🎮',
+        gameId,
+        maxPlayers,
+        players: [],
+        status: 'waiting',
+        statusText: '等待中',
+        stakes,
+        mode,
+        creatorName: '当前玩家'
+      }
+
+      // 将新房间插入到列表头部
+      if (!mockRoomList[gameId]) {
+        mockRoomList[gameId] = []
+      }
+      mockRoomList[gameId].unshift(newRoom)
+
+      return { room: newRoom }
+    }
   }
 ]
 
diff --git a/src/api/modules/game/room.ts b/src/api/modules/game/room.ts
index 42ca986..95a5ecc 100644
--- a/src/api/modules/game/room.ts
+++ b/src/api/modules/game/room.ts
@@ -1,5 +1,10 @@
 import { requestClient } from '@/api/request'
-import type { GetRoomListRequest, GetRoomListResponse } from './types'
+import type {
+  CreateRoomRequest,
+  CreateRoomResponse,
+  GetRoomListRequest,
+  GetRoomListResponse
+} from './types'
 
 /**
  * 获取指定游戏的房间列表
@@ -16,3 +21,17 @@ export function getRoomList(params: GetRoomListRequest) {
     params as unknown as Record<string, unknown>
   )
 }
+
+/**
+ * 创建房间
+ *
+ * 根据当前游戏和选定的参数创建新房间。
+ * 房间名称留空时由后端自动生成"桌 XX"编号。
+ * 密码留空时房间为公开房间。
+ *
+ * @param data - 创建房间参数
+ * @returns 新建的房间信息
+ */
+export function createRoom(data: CreateRoomRequest) {
+  return requestClient.post<CreateRoomResponse>('/game/room/create', data)
+}
diff --git a/src/api/modules/game/types.ts b/src/api/modules/game/types.ts
index 51775a5..ed4115c 100644
--- a/src/api/modules/game/types.ts
+++ b/src/api/modules/game/types.ts
@@ -16,6 +16,8 @@ export interface GameItem {
   description: string
   /** 玩法介绍 */
   gameplay: string
+  /** 游戏配置（模式、人数、底注等选项） */
+  config: GameConfig
 }
 
 /** 房间内玩家 */
@@ -26,6 +28,16 @@ export interface RoomPlayer {
   nickname: string
 }
 
+/** 游戏配置（随游戏列表接口一起返回） */
+export interface GameConfig {
+  /** 最大玩家数 */
+  maxPlayers: number
+  /** 可选玩法模式列表 */
+  modes: string[]
+  /** 可选底注档位列表 */
+  stakesOptions: number[]
+}
+
 /** 房间状态 */
 export type RoomStatus = 'waiting' | 'playing' | 'finished'
 
@@ -72,3 +84,25 @@ export interface GetRoomListRequest {
 export interface GetRoomListResponse {
   list: RoomItem[]
 }
+
+/** 创建房间请求参数 */
+export interface CreateRoomRequest {
+  /** 游戏 ID */
+  gameId: string
+  /** 房间名称（可选，留空由后端自动生成） */
+  name?: string
+  /** 房间密码（可选，留空为公开房间） */
+  password?: string
+  /** 玩法模式 */
+  mode: string
+  /** 底注金额 */
+  stakes: number
+  /** 最大玩家数 */
+  maxPlayers: number
+}
+
+/** 创建房间响应 */
+export interface CreateRoomResponse {
+  /** 新建的房间信息 */
+  room: RoomItem
+}
diff --git a/src/components/baseLayouts/CreateRoomDialog.vue b/src/components/baseLayouts/CreateRoomDialog.vue
new file mode 100644
index 0000000..28557e0
--- /dev/null
+++ b/src/components/baseLayouts/CreateRoomDialog.vue
@@ -0,0 +1,186 @@
+<template>
+  <el-dialog
+    v-model="visible"
+    :title="dialogTitle"
+    width="420px"
+    :close-on-click-modal="false"
+    @closed="handleClosed"
+  >
+    <el-form
+      ref="formRef"
+      :model="form"
+      :rules="rules"
+      label-width="72px"
+      label-position="left"
+      @submit.prevent="handleSubmit"
+    >
+      <!-- 房间名称（可选） -->
+      <el-form-item label="房间名" prop="name">
+        <el-input
+          v-model="form.name"
+          placeholder="留空自动生成桌号"
+          maxlength="20"
+          show-word-limit
+          clearable
+        />
+        <div class="create-room-dialog__hint">留空将自动生成"桌 XX"编号</div>
+      </el-form-item>
+
+      <!-- 游戏模式 -->
+      <el-form-item label="模式" prop="mode">
+        <el-select v-model="form.mode" placeholder="请选择模式">
+          <el-option v-for="m in gameConfig?.modes ?? []" :key="m" :label="m" :value="m" />
+        </el-select>
+      </el-form-item>
+
+      <!-- 底注金额 -->
+      <el-form-item label="底注" prop="stakes">
+        <el-select v-model="form.stakes" placeholder="请选择底注">
+          <el-option
+            v-for="s in gameConfig?.stakesOptions ?? []"
+            :key="s"
+            :label="`${s} 金币`"
+            :value="s"
+          />
+        </el-select>
+      </el-form-item>
+
+      <!-- 房间密码（可选） -->
+      <el-form-item label="密码" prop="password">
+        <el-input
+          v-model="form.password"
+          type="password"
+          placeholder="留空为公开房间"
+          maxlength="16"
+          show-password
+          clearable
+        />
+        <div class="create-room-dialog__hint">设置密码后，其他玩家需输入密码才能加入</div>
+      </el-form-item>
+    </el-form>
+
+    <template #footer>
+      <el-button @click="visible = false">取消</el-button>
+      <el-button type="primary" :loading="submitting" @click="handleSubmit"> 确认创建 </el-button>
+    </template>
+  </el-dialog>
+</template>
+
+<script setup lang="ts">
+import { ref, reactive, computed, watch } from 'vue'
+import type { FormInstance, FormRules } from 'element-plus'
+import { useBaseLayoutStore } from '@/stores'
+import { storeToRefs } from 'pinia'
+import type { GameConfig } from '@/api/modules/game'
+import { createRoom } from '@/api/modules/game'
+
+/** 创建房间表单数据 */
+interface CreateRoomForm {
+  name: string
+  mode: string
+  stakes: number | undefined
+  password: string
+}
+
+const props = defineProps<{
+  modelValue: boolean
+}>()
+
+const emit = defineEmits<{
+  (e: 'update:modelValue', value: boolean): void
+  (e: 'created'): void
+}>()
+
+const baseLayoutStore = useBaseLayoutStore()
+const { activeGameName, activeGameConfig } = storeToRefs(baseLayoutStore)
+
+const formRef = ref<FormInstance>()
+const submitting = ref(false)
+
+/** 对话框可见性（双向绑定） */
+const visible = computed({
+  get: () => props.modelValue,
+  set: (val: boolean) => emit('update:modelValue', val)
+})
+
+/** 对话框标题 */
+const dialogTitle = computed(() => `创建房间 — ${activeGameName.value}`)
+
+/** 当前游戏配置（只读） */
+const gameConfig = computed<GameConfig | null>(() => activeGameConfig.value)
+
+/** 表单数据 */
+const form = reactive<CreateRoomForm>({
+  name: '',
+  mode: '',
+  stakes: undefined,
+  password: ''
+})
+
+/** 初始化默认值：取当前游戏配置的第一个选项 */
+function initDefaults() {
+  if (gameConfig.value) {
+    form.mode = gameConfig.value.modes[0] ?? ''
+    form.stakes = gameConfig.value.stakesOptions[0]
+  }
+  form.name = ''
+  form.password = ''
+}
+
+/** 弹窗打开时设置默认值 */
+watch(
+  () => props.modelValue,
+  (val) => {
+    if (val) initDefaults()
+  }
+)
+
+/** 切换游戏时重置默认值 */
+watch(activeGameConfig, () => {
+  if (props.modelValue) initDefaults()
+})
+
+const rules: FormRules = {
+  mode: [{ required: true, message: '请选择游戏模式', trigger: 'change' }],
+  stakes: [{ required: true, message: '请选择底注金额', trigger: 'change' }],
+  name: [{ max: 20, message: '房间名不超过 20 个字符', trigger: 'blur' }],
+  password: [{ max: 16, message: '密码不超过 16 个字符', trigger: 'blur' }]
+}
+
+/** 提交创建房间 */
+async function handleSubmit() {
+  const valid = await formRef.value?.validate().catch(() => false)
+  if (!valid) return
+
+  submitting.value = true
+  try {
+    await createRoom({
+      gameId: baseLayoutStore.activeGameId,
+      name: form.name.trim() || undefined,
+      password: form.password || undefined,
+      mode: form.mode,
+      stakes: form.stakes!,
+      maxPlayers: gameConfig.value?.maxPlayers ?? 0
+    })
+    visible.value = false
+    emit('created')
+  } finally {
+    submitting.value = false
+  }
+}
+
+/** 弹窗关闭动画结束后重置表单 */
+function handleClosed() {
+  initDefaults()
+  formRef.value?.resetFields()
+}
+</script>
+
+<style scoped lang="scss">
+.create-room-dialog__hint {
+  font-size: 12px;
+  color: var(--text-tertiary);
+  margin-top: 4px;
+  line-height: 1.4;
+}
+</style>
diff --git a/src/components/baseLayouts/GameList.vue b/src/components/baseLayouts/GameList.vue
index 3572036..3eb30eb 100644
--- a/src/components/baseLayouts/GameList.vue
+++ b/src/components/baseLayouts/GameList.vue
@@ -53,11 +53,18 @@ async function fetchGameList() {
   try {
     const res = await getGameList()
     games.value = res.data.list
-    // 默认选中第一个游戏
-    if (games.value.length > 0 && !activeGameId.value) {
-      const first = games.value[0]
-      if (first) {
-        baseLayoutStore.setActiveGame(first.id, first.icon, first.name)
+    // 优先恢复已选中的游戏，否则默认选第一个
+    if (games.value.length > 0) {
+      const storedGame = games.value.find((g) => g.id === activeGameId.value)
+      if (storedGame) {
+        // 已有选中的游戏，同步最新配置到 store
+        baseLayoutStore.setActiveGame(storedGame.id, storedGame.icon, storedGame.name, storedGame.config)
+      } else {
+        // 没有匹配的已选游戏，默认选第一个
+        const first = games.value[0]
+        if (first) {
+          baseLayoutStore.setActiveGame(first.id, first.icon, first.name, first.config)
+        }
       }
     }
   } finally {
@@ -79,7 +86,7 @@ const activeGame = computed(() => games.value.find((g) => g.id === activeGameId.
 function selectGame(id: string) {
   const game = games.value.find((g) => g.id === id)
   if (game) {
-    baseLayoutStore.setActiveGame(game.id, game.icon, game.name)
+    baseLayoutStore.setActiveGame(game.id, game.icon, game.name, game.config)
   }
 }
 </script>
@@ -113,7 +120,9 @@ function selectGame(id: string) {
   height: 48px;
   border-radius: var(--radius-sm);
   cursor: pointer;
-  transition: background-color 0.15s ease, transform 0.15s ease;
+  transition:
+    background-color 0.15s ease,
+    transform 0.15s ease;
 
   &:hover {
     background-color: var(--bg-surface-hover);
diff --git a/src/components/baseLayouts/Lobby.vue b/src/components/baseLayouts/Lobby.vue
index eeb5e8e..a1d7559 100644
--- a/src/components/baseLayouts/Lobby.vue
+++ b/src/components/baseLayouts/Lobby.vue
@@ -37,12 +37,16 @@
       <p class="lobby__empty-text">暂无符合条件的房间</p>
       <p class="lobby__empty-hint">换个筛选条件，或者自己创建一个房间吧</p>
     </div>
+
+    <!-- 创建房间弹窗 -->
+    <CreateRoomDialog v-model="showCreateDialog" @created="fetchRoomList" />
   </div>
 </template>
 
 <script setup lang="ts">
 import { ref, computed, watch } from 'vue'
 import TableCard from './TableCard.vue'
+import CreateRoomDialog from './CreateRoomDialog.vue'
 import type { RoomItem } from '@/api/modules/game'
 import { useBaseLayoutStore } from '@/stores'
 import { storeToRefs } from 'pinia'
@@ -111,10 +115,12 @@ function handleSpectate(roomId: string) {
   console.log('观战房间:', roomId)
 }
 
+/** 创建房间对话框可见性 */
+const showCreateDialog = ref(false)
+
 /** 创建房间 */
 function handleCreateRoom() {
-  // eslint-disable-next-line no-console
-  console.log('创建房间')
+  showCreateDialog.value = true
 }
 </script>
 
diff --git a/src/stores/modules/baseLayout.ts b/src/stores/modules/baseLayout.ts
index a6587c2..2e415db 100644
--- a/src/stores/modules/baseLayout.ts
+++ b/src/stores/modules/baseLayout.ts
@@ -1,5 +1,6 @@
 import { defineStore } from 'pinia'
 import { ref } from 'vue'
+import type { GameConfig } from '@/api/modules/game'
 
 /** 侧边栏最小宽度 */
 export const MIN_SIDEBAR_WIDTH = 200
@@ -19,6 +20,8 @@ export const useBaseLayoutStore = defineStore(
     const activeGameIcon = ref<string>('🐍')
     /** 当前选中的游戏名称 */
     const activeGameName = ref<string>('贪吃蛇')
+    /** 当前选中游戏的配置（模式、底注、人数等选项） */
+    const activeGameConfig = ref<GameConfig | null>(null)
     /** 侧边栏当前宽度 */
     const sidebarWidth = ref<number>(DEFAULT_SIDEBAR_WIDTH)
 
@@ -36,10 +39,11 @@ export const useBaseLayoutStore = defineStore(
      * @param icon - 游戏图标
      * @param name - 游戏名称
      */
-    const setActiveGame = (id: string, icon: string, name: string): void => {
+    const setActiveGame = (id: string, icon: string, name: string, config: GameConfig): void => {
       activeGameId.value = id
       activeGameIcon.value = icon
       activeGameName.value = name
+      activeGameConfig.value = config
     }
 
     /**
@@ -55,6 +59,7 @@ export const useBaseLayoutStore = defineStore(
       activeGameId,
       activeGameIcon,
       activeGameName,
+      activeGameConfig,
       sidebarWidth,
       setTopbarTitle,
       setActiveGame,