diff --git a/.nvmrc b/.nvmrc
index 2bd5a0a..db49bb1 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-22
+22.22.2
diff --git a/docs/README.md b/docs/README.md
index 5f73f44..75e163f 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -18,7 +18,7 @@
 | API 域名 | `https://dev.xuqinmin.com` |
 | 登录服务 | `demo-service`（`/api/demo/auth/*`） |
 | IM WebSocket | `wss://im.dev.xuqinmin.com/ws/im` |
-| 演示 AppId | `ak_demo_chat` |
+| 演示 AppKey | `ak_demo_chat` |
 | 演示用户 | `demo_alice`（Alice）、`demo_bob`（Bob） |
 | 演示模块 | `chat-home` |
 | 本地 App 版本码 | `1`（写死，便于触发更新） |
@@ -95,7 +95,7 @@ npm run ios           # iOS 模拟器
 ### Section 3 · 群聊演示
 
 1. 点击 **"+ 创建演示群"** → 创建含 Alice + Bob 的群组并订阅群 topic
-2. 点击 **"加载群列表"** 列出当前 appId 下所有群组
+2. 点击 **"加载群列表"** 列出当前 appKey 下所有群组
 3. 点击群组名称切换当前群，自动拉取群历史
 4. 使用消息类型选择器在群内发送任意类型消息
 5. 点击 **"全部类型演示"** 依次发送 12 种群消息
@@ -128,7 +128,7 @@ cd XuqmGroup-RNChatDemo
 
 发布内容：
 
-- `appId=ak_demo_chat` Android App 版本 `1.0.1`（versionCode=2）
+- `appKey=ak_demo_chat` Android App 版本 `1.0.1`（versionCode=2）
 - `moduleId=chat-home` Android RN bundle 版本 `1.0.1`
 
 ---
@@ -147,7 +147,7 @@ cd XuqmGroup-RNChatDemo
 
 所有接口通过 Nginx 反代至 `https://dev.xuqinmin.com`。
 
-`demo-service` 负责 demo 账号体系的注册、登录、找回密码和资料更新；登录成功后会返回 `demoToken`、`imToken` 和 `profile`。其中 `profile.appId` 用于后续初始化 IM 和更新能力，不走租户服务登录链路。
+`demo-service` 负责 demo 账号体系的注册、登录、找回密码和资料更新；登录成功后会返回 `demoToken`、`imToken` 和 `profile`。其中 `profile.appKey` 用于后续初始化 IM 和更新能力，不走租户服务登录链路。
 
 ---
 
diff --git a/scripts/publish-demo-assets.sh b/scripts/publish-demo-assets.sh
index e39d0b9..0feb016 100755
--- a/scripts/publish-demo-assets.sh
+++ b/scripts/publish-demo-assets.sh
@@ -15,7 +15,7 @@ BUNDLE_FILE="${ASSET_DIR}/chat-home.android.bundle"
 echo "Uploading demo APK metadata to ${BASE_URL}"
 
 APP_UPLOAD_JSON="$(curl -fsS -X POST "${BASE_URL}/api/v1/updates/app/upload" \
-  -F "appId=${APP_ID}" \
+  -F "appKey=${APP_ID}" \
   -F "platform=ANDROID" \
   -F "versionName=1.0.1" \
   -F "versionCode=2" \
@@ -36,7 +36,7 @@ curl -fsS -X POST "${BASE_URL}/api/v1/updates/app/${APP_VERSION_ID}/publish" >/d
 echo "Uploading demo RN bundle to ${BASE_URL}"
 
 RN_UPLOAD_JSON="$(curl -fsS -X POST "${BASE_URL}/api/v1/rn/upload" \
-  -F "appId=${APP_ID}" \
+  -F "appKey=${APP_ID}" \
   -F "moduleId=${MODULE_ID}" \
   -F "platform=ANDROID" \
   -F "version=1.0.1" \
diff --git a/src/api/demo.ts b/src/api/demo.ts
index f60bf8c..ed3647d 100644
--- a/src/api/demo.ts
+++ b/src/api/demo.ts
@@ -12,7 +12,7 @@ async function request<T>(
   options: { method?: string; body?: unknown; params?: Record<string, string>; skipAuth?: boolean } = {},
 ): Promise<T> {
   let url = BASE + path
-  const params = { appId: APP_ID, ...(options.params ?? {}) }
+  const params = { appKey: APP_ID, ...(options.params ?? {}) }
   url += '?' + new URLSearchParams(params).toString()
 
   const headers: Record<string, string> = { 'Content-Type': 'application/json' }
@@ -33,7 +33,7 @@ async function request<T>(
 }
 
 export interface UserProfile {
-  appId: string
+  appKey: string
   userId: string
   nickname: string
   avatar: string
@@ -52,7 +52,7 @@ export const demoApi = {
     return request('/auth/register', {
       method: 'POST',
       skipAuth: true,
-      body: { appId: APP_ID, userId, password, nickname },
+      body: { appKey: APP_ID, userId, password, nickname },
     })
   },
 
@@ -60,7 +60,7 @@ export const demoApi = {
     return request('/auth/login', {
       method: 'POST',
       skipAuth: true,
-      body: { appId: APP_ID, userId, password },
+      body: { appKey: APP_ID, userId, password },
     })
   },
 
@@ -73,7 +73,7 @@ export const demoApi = {
   },
 
   resetPassword(userId: string, newPassword: string): Promise<void> {
-    return request('/auth/reset-password', { method: 'POST', skipAuth: true, body: { appId: APP_ID, userId, newPassword } })
+    return request('/auth/reset-password', { method: 'POST', skipAuth: true, body: { appKey: APP_ID, userId, newPassword } })
   },
 
   changePassword(oldPassword: string, newPassword: string): Promise<void> {
diff --git a/src/components/GroupChatPanel.tsx b/src/components/GroupChatPanel.tsx
index 07a35c1..d304838 100644
--- a/src/components/GroupChatPanel.tsx
+++ b/src/components/GroupChatPanel.tsx
@@ -13,7 +13,7 @@ interface Props {
   currentUserId: string
   peerUserId: string
   peerNickname: string
-  appId: string
+  appKey: string
   onLog: (msg: string) => void
   groupMessages: ImMessage[]
   onMergeMessage: (msg: ImMessage) => void
diff --git a/src/context/AuthContext.tsx b/src/context/AuthContext.tsx
index 5771673..68c738c 100644
--- a/src/context/AuthContext.tsx
+++ b/src/context/AuthContext.tsx
@@ -27,7 +27,7 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
   const [state, setState] = useState<AuthState>({ ready: false, userId: null, profile: null })
 
   const initSDK = useCallback(async (profile: UserProfile, imToken: string) => {
-    const appKey = profile.appId || APP_ID
+    const appKey = profile.appKey || APP_ID
     await XuqmSDK.initialize({ appKey })
     await XuqmSDK.login({ userId: profile.userId, userSig: imToken })
     setState({ ready: true, userId: profile.userId, profile })
diff --git a/src/screens/conversation/ConversationListScreen.tsx b/src/screens/conversation/ConversationListScreen.tsx
index 959c1ab..15e7beb 100644
--- a/src/screens/conversation/ConversationListScreen.tsx
+++ b/src/screens/conversation/ConversationListScreen.tsx
@@ -19,7 +19,7 @@ interface ConvWithMeta extends ConversationData {
 }
 
 export default function ConversationListScreen() {
-  const appId = 'ak_demo_chat'
+  const appKey = 'ak_demo_chat'
   const navigation = useNavigation<Nav>()
   const [conversations, setConversations] = useState<ConvWithMeta[]>([])
   const profileCache = useRef<Record<string, UserProfile>>({})
@@ -30,10 +30,10 @@ export default function ConversationListScreen() {
       try {
         const results = await ImSDK.searchUsers(conv.targetId)
         const match = results.find(u => u.userId === conv.targetId)
-        profile = match ? toDemoUserProfile(match) : { appId, userId: conv.targetId, nickname: conv.targetId, avatar: '', gender: 'UNKNOWN', status: '' }
+        profile = match ? toDemoUserProfile(match) : { appKey, userId: conv.targetId, nickname: conv.targetId, avatar: '', gender: 'UNKNOWN', status: '' }
         profileCache.current[conv.targetId] = profile
       } catch {
-        profile = { appId, userId: conv.targetId, nickname: conv.targetId, avatar: '', gender: 'UNKNOWN', status: '' }
+        profile = { appKey, userId: conv.targetId, nickname: conv.targetId, avatar: '', gender: 'UNKNOWN', status: '' }
       }
     }
     return { ...conv, targetName: profile.nickname, targetAvatar: profile.avatar }
diff --git a/src/screens/group/GroupMembersScreen.tsx b/src/screens/group/GroupMembersScreen.tsx
index 53e0285..38b111a 100644
--- a/src/screens/group/GroupMembersScreen.tsx
+++ b/src/screens/group/GroupMembersScreen.tsx
@@ -13,7 +13,7 @@ type Props = NativeStackScreenProps<RootStackParams, 'GroupMembers'>
 
 export default function GroupMembersScreen({ route }: Props) {
   const { groupId } = route.params
-  const appId = 'ak_demo_chat'
+  const appKey = 'ak_demo_chat'
   const [members, setMembers] = useState<UserProfile[]>([])
   const [loading, setLoading] = useState(true)
 
@@ -30,7 +30,7 @@ export default function GroupMembersScreen({ route }: Props) {
         ids.map(async id => {
           const res = await ImSDK.searchUsers(id)
           const match = res.find(u => u.userId === id)
-          return match ? toDemoUserProfile(match, appId) : { appId, userId: id, nickname: id, avatar: '', gender: 'UNKNOWN' as const, status: '' }
+          return match ? toDemoUserProfile(match, appKey) : { appKey, userId: id, nickname: id, avatar: '', gender: 'UNKNOWN' as const, status: '' }
         })
       )
       setMembers(profiles)
diff --git a/src/utils/userProfiles.ts b/src/utils/userProfiles.ts
index b1c041a..1c721de 100644
--- a/src/utils/userProfiles.ts
+++ b/src/utils/userProfiles.ts
@@ -1,7 +1,7 @@
 import type { UserProfile } from '../api/demo'
 
 export interface SearchUserProfileLike {
-  appId?: string
+  appKey?: string
   userId: string
   nickname?: string | null
   avatar?: string | null
@@ -9,9 +9,9 @@ export interface SearchUserProfileLike {
   status?: string | null
 }
 
-export function toDemoUserProfile(user: SearchUserProfileLike, appId = 'ak_demo_chat'): UserProfile {
+export function toDemoUserProfile(user: SearchUserProfileLike, appKey = 'ak_demo_chat'): UserProfile {
   return {
-    appId: user.appId ?? appId,
+    appKey: user.appKey ?? appKey,
     userId: user.userId,
     nickname: user.nickname ?? user.userId,
     avatar: user.avatar ?? '',
@@ -20,6 +20,6 @@ export function toDemoUserProfile(user: SearchUserProfileLike, appId = 'ak_demo_
   }
 }
 
-export function toDemoUserProfiles(users: SearchUserProfileLike[], appId = 'ak_demo_chat'): UserProfile[] {
-  return users.map(user => toDemoUserProfile(user, appId))
+export function toDemoUserProfiles(users: SearchUserProfileLike[], appKey = 'ak_demo_chat'): UserProfile[] {
+  return users.map(user => toDemoUserProfile(user, appKey))
 }