diff --git a/__tests__/unit/im/ImClient.test.ts b/__tests__/unit/im/ImClient.test.ts
index b69e75c..0afda40 100644
--- a/__tests__/unit/im/ImClient.test.ts
+++ b/__tests__/unit/im/ImClient.test.ts
@@ -148,7 +148,7 @@ describe('im/ImClient', () => {
     const body = JSON.parse(sendFrame?.body || '{}')
     expect(body.content).toBe('hello')
     expect(body.toId).toBe('user_b')
-    expect(body.appId).toBe('ak_demo_chat')
+    expect(body.appKey).toBe('ak_demo_chat')
   })
 
   it('should return FAILED when WebSocket is not open', () => {
@@ -174,7 +174,7 @@ describe('im/ImClient', () => {
     const ws = MockWebSocket.instances[0]
     const payload = JSON.stringify({
       id: 'msg_1',
-      appId: 'ak_demo_chat',
+      appKey: 'ak_demo_chat',
       fromUserId: 'user_b',
       toId: 'user_a',
       chatType: 'SINGLE',
@@ -208,7 +208,7 @@ describe('im/ImClient', () => {
     const ws = MockWebSocket.instances[0]
     const payload = JSON.stringify({
       id: 'msg_1',
-      appId: 'ak_demo_chat',
+      appKey: 'ak_demo_chat',
       fromUserId: 'user_b',
       toId: 'user_a',
       chatType: 'SINGLE',
@@ -238,7 +238,7 @@ describe('im/ImClient', () => {
     const ws = MockWebSocket.instances[0]
     const payload = JSON.stringify({
       id: 'msg_1',
-      appId: 'ak_demo_chat',
+      appKey: 'ak_demo_chat',
       fromUserId: 'user_b',
       toId: 'user_a',
       chatType: 'SINGLE',
diff --git a/__tests__/unit/im/useIm.test.ts b/__tests__/unit/im/useIm.test.ts
index bfa82f7..e9a4ccd 100644
--- a/__tests__/unit/im/useIm.test.ts
+++ b/__tests__/unit/im/useIm.test.ts
@@ -130,7 +130,7 @@ describe('im/useIm', () => {
     const ws = MockWebSocket.instances[0]
     emitStompMessage(ws, {
       id: msg.id,
-      appId: 'ak_demo_chat',
+      appKey: 'ak_demo_chat',
       fromUserId: 'user_b',
       toId: 'user_a',
       chatType: 'SINGLE',
@@ -163,7 +163,7 @@ describe('im/useIm', () => {
     const ws = MockWebSocket.instances[0]
     emitStompMessage(ws, {
       id: msg.id,
-      appId: 'ak_demo_chat',
+      appKey: 'ak_demo_chat',
       fromUserId: 'user_b',
       toId: 'user_a',
       chatType: 'SINGLE',
diff --git a/package.json b/package.json
index 2330668..36d2bb4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@xuqm/vue3-sdk",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "description": "XuqmGroup Vue3 SDK — IM & platform integration for web",
   "private": false,
   "publishConfig": {
@@ -16,7 +16,9 @@
       "require": "./dist/index.cjs.js"
     }
   },
-  "files": ["dist"],
+  "files": [
+    "dist"
+  ],
   "scripts": {
     "dev": "vite build --watch",
     "build": "tsc --emitDeclarationOnly && vite build",
diff --git a/src/im/ImClient.ts b/src/im/ImClient.ts
index 6fdd89a..dea1008 100644
--- a/src/im/ImClient.ts
+++ b/src/im/ImClient.ts
@@ -161,7 +161,7 @@ export class ImClient {
     const messageId = params.messageId ?? this.generateMessageId()
     const outgoing: ImMessage = {
       id: messageId,
-      appId: config.appKey,
+      appKey: config.appKey,
       fromUserId: userId,
       fromId: userId,
       toId: params.toId,
@@ -178,7 +178,7 @@ export class ImClient {
     }
 
     const payload: Record<string, unknown> = {
-      appId: config.appKey,
+      appKey: config.appKey,
       messageId,
       toId: params.toId,
       chatType: params.chatType,
@@ -208,7 +208,7 @@ export class ImClient {
       buildStompFrame(
         'SEND',
         { destination: '/app/chat.revoke', 'content-type': 'application/json' },
-        JSON.stringify({ appId: config.appKey, messageId: msgId })
+        JSON.stringify({ appKey: config.appKey, messageId: msgId })
       )
     )
   }
@@ -224,7 +224,7 @@ export class ImClient {
       buildStompFrame(
         'SEND',
         { destination: '/app/chat.sync', 'content-type': 'application/json' },
-        JSON.stringify({ appId: config.appKey })
+        JSON.stringify({ appKey: config.appKey })
       )
     )
   }
diff --git a/src/im/api.ts b/src/im/api.ts
index 88b7c61..0b2d3ec 100644
--- a/src/im/api.ts
+++ b/src/im/api.ts
@@ -19,7 +19,7 @@ import type {
 
 function appQuery(extra?: Record<string, string | number | boolean | Date | null | undefined>) {
   return {
-    appId: getConfig().appKey,
+    appKey: getConfig().appKey,
     ...extra,
   }
 }
diff --git a/src/types/index.ts b/src/types/index.ts
index cd77efb..e4605ed 100644
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -28,7 +28,7 @@ export type MsgStatus = 'SENDING' | 'SENT' | 'DELIVERED' | 'READ' | 'FAILED' | '
 
 export interface ImMessage {
   id: string
-  appId: string
+  appKey: string
   fromUserId: string
   fromId?: string
   toId: string
@@ -78,7 +78,7 @@ export interface HistoryQuery {
 
 export interface UserProfile {
   id?: string
-  appId?: string
+  appKey?: string
   userId: string
   nickname?: string | null
   avatar?: string | null
@@ -89,7 +89,7 @@ export interface UserProfile {
 
 export interface ImGroup {
   id: string
-  appId?: string
+  appKey?: string
   name: string
   groupType?: string
   creatorId: string
@@ -109,7 +109,7 @@ export interface ConversationGroupItem {
 
 export interface FriendRequest {
   id: string
-  appId?: string
+  appKey?: string
   fromUserId: string
   toUserId: string
   remark?: string | null
@@ -120,7 +120,7 @@ export interface FriendRequest {
 
 export interface GroupJoinRequest {
   id: string
-  appId?: string
+  appKey?: string
   groupId: string
   requesterId: string
   remark?: string | null
@@ -131,7 +131,7 @@ export interface GroupJoinRequest {
 
 export interface BlacklistEntry {
   id: string
-  appId: string
+  appKey: string
   userId: string
   blockedUserId: string
   createdAt: string | number