diff --git a/common/changes/@coze/api/fix-module-error_2025-04-01-05-22.json b/common/changes/@coze/api/fix-module-error_2025-04-01-05-22.json
new file mode 100644
index 00000000..c3a48eeb
--- /dev/null
+++ b/common/changes/@coze/api/fix-module-error_2025-04-01-05-22.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "packageName": "@coze/api",
+      "comment": "update ESM file extensions from .js to .mjs",
+      "type": "patch"
+    }
+  ],
+  "packageName": "@coze/api",
+  "email": "shenxiaojie.316@bytedance.com"
+}
diff --git a/common/changes/@coze/realtime-api/fix-module-error_2025-04-01-06-28.json b/common/changes/@coze/realtime-api/fix-module-error_2025-04-01-06-28.json
new file mode 100644
index 00000000..7faad830
--- /dev/null
+++ b/common/changes/@coze/realtime-api/fix-module-error_2025-04-01-06-28.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "packageName": "@coze/realtime-api",
+      "comment": "move EventNames enum to separate file",
+      "type": "patch"
+    }
+  ],
+  "packageName": "@coze/realtime-api",
+  "email": "shenxiaojie.316@bytedance.com"
+}
diff --git a/common/changes/@coze/realtime-api/fix-module-error_2025-04-02-10-51.json b/common/changes/@coze/realtime-api/fix-module-error_2025-04-02-10-51.json
new file mode 100644
index 00000000..a9b78e3b
--- /dev/null
+++ b/common/changes/@coze/realtime-api/fix-module-error_2025-04-02-10-51.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "packageName": "@coze/realtime-api",
+      "comment": "add event-names subpath export",
+      "type": "minor"
+    }
+  ],
+  "packageName": "@coze/realtime-api",
+  "email": "shenxiaojie.316@bytedance.com"
+}
diff --git a/common/changes/@coze/realtime-api/fix-module-error_2025-04-02-11-06.json b/common/changes/@coze/realtime-api/fix-module-error_2025-04-02-11-06.json
new file mode 100644
index 00000000..80620406
--- /dev/null
+++ b/common/changes/@coze/realtime-api/fix-module-error_2025-04-02-11-06.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "packageName": "@coze/realtime-api",
+      "comment": "Publish fix/module-error",
+      "type": "patch"
+    }
+  ],
+  "packageName": "@coze/realtime-api",
+  "email": "shenxiaojie.316@bytedance.com"
+}
diff --git a/common/changes/@coze/realtime-api/fix-module-error_2025-04-02-11-44.json b/common/changes/@coze/realtime-api/fix-module-error_2025-04-02-11-44.json
new file mode 100644
index 00000000..6c5c4ad9
--- /dev/null
+++ b/common/changes/@coze/realtime-api/fix-module-error_2025-04-02-11-44.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "packageName": "@coze/realtime-api",
+      "comment": "normalize file extensions in package config",
+      "type": "patch"
+    }
+  ],
+  "packageName": "@coze/realtime-api",
+  "email": "shenxiaojie.316@bytedance.com"
+}
diff --git a/packages/coze-js/package.json b/packages/coze-js/package.json
index 23b4f915..1a5102da 100644
--- a/packages/coze-js/package.json
+++ b/packages/coze-js/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@coze/api",
-  "version": "1.1.1",
+  "version": "1.1.1-beta.1",
   "description": "Official Coze Node.js SDK for seamless AI integration into your applications | 扣子官方 Node.js SDK，助您轻松集成 AI 能力到应用中",
   "keywords": [
     "coze",
@@ -88,17 +88,17 @@
     "exports": {
       ".": {
         "require": "./dist/cjs/index.js",
-        "import": "./dist/esm/index.js",
+        "import": "./dist/esm/index.mjs",
         "types": "./dist/types/index.d.ts"
       },
       "./ws-tools": {
         "require": "./dist/cjs/ws-tools/index.js",
-        "import": "./dist/esm/ws-tools/index.js",
+        "import": "./dist/esm/ws-tools/index.mjs",
         "types": "./dist/types/ws-tools/ws-tools/index.d.ts"
       }
     },
     "main": "dist/cjs/index.js",
-    "module": "dist/esm/index.js",
+    "module": "dist/esm/index.mjs",
     "types": "dist/types/index.d.ts"
   }
 }
\ No newline at end of file
diff --git a/packages/realtime-api/package.json b/packages/realtime-api/package.json
index 3bc83998..ca9b2520 100644
--- a/packages/realtime-api/package.json
+++ b/packages/realtime-api/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@coze/realtime-api",
-  "version": "1.1.1-beta.1",
+  "version": "1.1.1-beta.5",
   "description": "A powerful real-time communication SDK for voice interactions with Coze AI bots | 扣子官方实时通信 SDK，用于与 Coze AI bots 进行语音交互",
   "keywords": [
     "coze",
@@ -21,9 +21,9 @@
   },
   "license": "MIT",
   "author": "jackshen <jackshen310@gmail.com>",
-  "type": "module",
   "exports": {
-    ".": "./src/index.ts"
+    ".": "./src/index.ts",
+    "./event-names": "./src/event-names.ts"
   },
   "main": "src/index.ts",
   "module": "src/index.ts",
@@ -65,12 +65,17 @@
   "cozePublishConfig": {
     "exports": {
       ".": {
-        "require": "./dist/cjs/index.cjs",
+        "require": "./dist/cjs/index.js",
         "import": "./dist/esm/index.js",
         "types": "./dist/types/index.d.ts"
+      },
+      "./event-names": {
+        "require": "./dist/cjs/event-names/index.js",
+        "import": "./dist/esm/event-names/index.js",
+        "types": "./dist/types/event-names/event-names.d.ts"
       }
     },
-    "main": "dist/cjs/index.cjs",
+    "main": "dist/cjs/index.js",
     "module": "dist/esm/index.js",
     "typings": "dist/types/index.d.ts"
   }
diff --git a/packages/realtime-api/rslib.config.ts b/packages/realtime-api/rslib.config.ts
index d290b442..56390262 100644
--- a/packages/realtime-api/rslib.config.ts
+++ b/packages/realtime-api/rslib.config.ts
@@ -1,15 +1,24 @@
 import { defineConfig, type LibConfig } from '@rslib/core';
 
-function getLibShared(format: LibConfig['format']) {
+function getLibShared(format: LibConfig['format'], dts = false, subpath = '') {
   const shared: LibConfig = {
+    autoExtension: false,
     output: {
       distPath: {
         root: `./dist/${format}`,
+        js: `${subpath}`,
       },
     },
     format,
+    dts: dts
+      ? {
+          distPath: `./dist/types/${subpath}`,
+        }
+      : false,
     syntax: 'es6',
-    autoExternal: false,
+    source: {
+      entry: { index: subpath ? `./src/${subpath}` : './src' },
+    },
   };
   return shared;
 }
@@ -22,16 +31,13 @@ export default defineConfig({
     target: 'web',
   },
   lib: [
-    {
-      ...getLibShared('esm'),
-      dts: {
-        distPath: './dist/types',
-      },
-    },
     {
       ...getLibShared('umd'),
       umdName: 'CozeRealtimeApi',
     },
-    getLibShared('cjs'),
+    getLibShared('cjs', true),
+    getLibShared('esm', false),
+    getLibShared('cjs', true, 'event-names'),
+    getLibShared('esm', false, 'event-names'),
   ],
 });
diff --git a/packages/realtime-api/src/client.ts b/packages/realtime-api/src/client.ts
index 9059d6af..5fc19d3f 100644
--- a/packages/realtime-api/src/client.ts
+++ b/packages/realtime-api/src/client.ts
@@ -12,7 +12,8 @@ import VERTC, {
 } from '@volcengine/rtc';
 
 import { getAudioDevices, isScreenShareDevice } from './utils';
-import { EventNames, RealtimeEventHandler } from './event-handler';
+import EventNames from './event-names';
+import { RealtimeEventHandler } from './event-handler';
 import { RealtimeAPIError, RealtimeError } from './error';
 import { type VideoConfig } from '.';
 
diff --git a/packages/realtime-api/src/event-handler.ts b/packages/realtime-api/src/event-handler.ts
index 538e3d59..ad5c0e28 100644
--- a/packages/realtime-api/src/event-handler.ts
+++ b/packages/realtime-api/src/event-handler.ts
@@ -1,147 +1,5 @@
+import EventNames from './event-names';
 import { RealtimeError, RealtimeAPIError } from './error';
-
-export enum EventNames {
-  /**
-   * en: All events
-   * zh: 所有事件
-   */
-  ALL = 'realtime.event',
-  /**
-   * en: All client events
-   * zh: 所有客户端事件
-   */
-  ALL_CLIENT = 'client.*',
-  /**
-   * en: All server events
-   * zh: 所有服务端事件
-   */
-  ALL_SERVER = 'server.*',
-  /**
-   * en: Client connected
-   * zh: 客户端连接
-   */
-  CONNECTED = 'client.connected',
-  /**
-   * en: Client connecting
-   * zh: 客户端连接中
-   */
-  CONNECTING = 'client.connecting',
-  /**
-   * en: Client interrupted
-   * zh: 客户端中断
-   */
-  INTERRUPTED = 'client.interrupted',
-  /**
-   * en: Client disconnected
-   * zh: 客户端断开
-   */
-  DISCONNECTED = 'client.disconnected',
-  /**
-   * en: Client audio unmuted
-   * zh: 客户端音频未静音
-   */
-  AUDIO_UNMUTED = 'client.audio.unmuted',
-  /**
-   * en: Client audio muted
-   * zh: 客户端音频静音
-   */
-  AUDIO_MUTED = 'client.audio.muted',
-  /**
-   * en: Client video on
-   * zh: 客户端视频开启
-   */
-  VIDEO_ON = 'client.video.on',
-  /**
-   * en: Client video off
-   * zh: 客户端视频关闭
-   */
-  VIDEO_OFF = 'client.video.off',
-  /**
-   * en: Client video event
-   * zh: 客户端视频事件
-   */
-  PLAYER_EVENT = 'client.video.event',
-  /**
-   * en: Client error
-   * zh: 客户端错误
-   */
-  ERROR = 'client.error',
-  /**
-   * en: Audio noise reduction enabled
-   * zh: 抑制平稳噪声
-   */
-  SUPPRESS_STATIONARY_NOISE = 'client.suppress.stationary.noise',
-  /**
-   * en: Suppress non-stationary noise
-   * zh: 抑制非平稳噪声
-   */
-  SUPPRESS_NON_STATIONARY_NOISE = 'client.suppress.non.stationary.noise',
-  /**
-   * en: Audio input device changed
-   * zh: 音频输入设备改变
-   */
-  AUDIO_INPUT_DEVICE_CHANGED = 'client.input.device.changed',
-  /**
-   * en: Audio output device changed
-   * zh: 音频输出设备改变
-   */
-  AUDIO_OUTPUT_DEVICE_CHANGED = 'client.output.device.changed',
-  /**
-   * en: Video input device changed
-   * zh: 视频输入设备改变
-   */
-  VIDEO_INPUT_DEVICE_CHANGED = 'client.video.input.device.changed',
-  /**
-   * en: Network quality changed
-   * zh: 网络质量改变
-   */
-  NETWORK_QUALITY = 'client.network.quality',
-  /**
-   * en: Bot joined
-   * zh: Bot 加入
-   */
-  BOT_JOIN = 'server.bot.join',
-  /**
-   * en: Bot left
-   * zh: Bot 离开
-   */
-  BOT_LEAVE = 'server.bot.leave',
-  /**
-   * en: Audio speech started
-   * zh: 开始说话
-   */
-  AUDIO_AGENT_SPEECH_STARTED = 'server.audio.agent.speech_started',
-  /**
-   * en: Audio speech stopped
-   * zh: 停止说话
-   */
-  AUDIO_AGENT_SPEECH_STOPPED = 'server.audio.agent.speech_stopped',
-  /**
-   * en: Server error
-   * zh: 服务端错误
-   */
-  SERVER_ERROR = 'server.error',
-  /**
-   * en: User speech started
-   * zh: 用户开始说话
-   */
-  AUDIO_USER_SPEECH_STARTED = 'server.audio.user.speech_started',
-  /**
-   * en: User speech stopped
-   * zh: 用户停止说话
-   */
-  AUDIO_USER_SPEECH_STOPPED = 'server.audio.user.speech_stopped',
-  /**
-   * en: User successfully enters the room
-   * zh: 用户成功进入房间后，会收到该事件
-   */
-  SESSION_CREATED = 'server.session.created',
-  /**
-   * en: Session updated
-   * zh: 会话更新
-   */
-  SESSION_UPDATE = 'server.session.update',
-}
 export type EventCallback = (eventName: string, event: unknown) => void;
 
 export class RealtimeEventHandler {
diff --git a/packages/realtime-api/src/event-names.ts b/packages/realtime-api/src/event-names.ts
new file mode 100644
index 00000000..61186a51
--- /dev/null
+++ b/packages/realtime-api/src/event-names.ts
@@ -0,0 +1,144 @@
+enum EventNames {
+  /**
+   * en: All events
+   * zh: 所有事件
+   */
+  ALL = 'realtime.event',
+  /**
+   * en: All client events
+   * zh: 所有客户端事件
+   */
+  ALL_CLIENT = 'client.*',
+  /**
+   * en: All server events
+   * zh: 所有服务端事件
+   */
+  ALL_SERVER = 'server.*',
+  /**
+   * en: Client connected
+   * zh: 客户端连接
+   */
+  CONNECTED = 'client.connected',
+  /**
+   * en: Client connecting
+   * zh: 客户端连接中
+   */
+  CONNECTING = 'client.connecting',
+  /**
+   * en: Client interrupted
+   * zh: 客户端中断
+   */
+  INTERRUPTED = 'client.interrupted',
+  /**
+   * en: Client disconnected
+   * zh: 客户端断开
+   */
+  DISCONNECTED = 'client.disconnected',
+  /**
+   * en: Client audio unmuted
+   * zh: 客户端音频未静音
+   */
+  AUDIO_UNMUTED = 'client.audio.unmuted',
+  /**
+   * en: Client audio muted
+   * zh: 客户端音频静音
+   */
+  AUDIO_MUTED = 'client.audio.muted',
+  /**
+   * en: Client video on
+   * zh: 客户端视频开启
+   */
+  VIDEO_ON = 'client.video.on',
+  /**
+   * en: Client video off
+   * zh: 客户端视频关闭
+   */
+  VIDEO_OFF = 'client.video.off',
+  /**
+   * en: Client video event
+   * zh: 客户端视频事件
+   */
+  PLAYER_EVENT = 'client.video.event',
+  /**
+   * en: Client error
+   * zh: 客户端错误
+   */
+  ERROR = 'client.error',
+  /**
+   * en: Audio noise reduction enabled
+   * zh: 抑制平稳噪声
+   */
+  SUPPRESS_STATIONARY_NOISE = 'client.suppress.stationary.noise',
+  /**
+   * en: Suppress non-stationary noise
+   * zh: 抑制非平稳噪声
+   */
+  SUPPRESS_NON_STATIONARY_NOISE = 'client.suppress.non.stationary.noise',
+  /**
+   * en: Audio input device changed
+   * zh: 音频输入设备改变
+   */
+  AUDIO_INPUT_DEVICE_CHANGED = 'client.input.device.changed',
+  /**
+   * en: Audio output device changed
+   * zh: 音频输出设备改变
+   */
+  AUDIO_OUTPUT_DEVICE_CHANGED = 'client.output.device.changed',
+  /**
+   * en: Video input device changed
+   * zh: 视频输入设备改变
+   */
+  VIDEO_INPUT_DEVICE_CHANGED = 'client.video.input.device.changed',
+  /**
+   * en: Network quality changed
+   * zh: 网络质量改变
+   */
+  NETWORK_QUALITY = 'client.network.quality',
+  /**
+   * en: Bot joined
+   * zh: Bot 加入
+   */
+  BOT_JOIN = 'server.bot.join',
+  /**
+   * en: Bot left
+   * zh: Bot 离开
+   */
+  BOT_LEAVE = 'server.bot.leave',
+  /**
+   * en: Audio speech started
+   * zh: 开始说话
+   */
+  AUDIO_AGENT_SPEECH_STARTED = 'server.audio.agent.speech_started',
+  /**
+   * en: Audio speech stopped
+   * zh: 停止说话
+   */
+  AUDIO_AGENT_SPEECH_STOPPED = 'server.audio.agent.speech_stopped',
+  /**
+   * en: Server error
+   * zh: 服务端错误
+   */
+  SERVER_ERROR = 'server.error',
+  /**
+   * en: User speech started
+   * zh: 用户开始说话
+   */
+  AUDIO_USER_SPEECH_STARTED = 'server.audio.user.speech_started',
+  /**
+   * en: User speech stopped
+   * zh: 用户停止说话
+   */
+  AUDIO_USER_SPEECH_STOPPED = 'server.audio.user.speech_stopped',
+  /**
+   * en: User successfully enters the room
+   * zh: 用户成功进入房间后，会收到该事件
+   */
+  SESSION_CREATED = 'server.session.created',
+  /**
+   * en: Session updated
+   * zh: 会话更新
+   */
+  SESSION_UPDATE = 'server.session.update',
+}
+
+export default EventNames;
diff --git a/packages/realtime-api/src/index.ts b/packages/realtime-api/src/index.ts
index 2f2984d8..d2910db5 100644
--- a/packages/realtime-api/src/index.ts
+++ b/packages/realtime-api/src/index.ts
@@ -7,7 +7,8 @@ import { CozeAPI, type CreateRoomData, type GetToken } from '@coze/api';
 
 import * as RealtimeUtils from './utils';
 import { isScreenShareDevice } from './utils';
-import { RealtimeEventHandler, EventNames } from './event-handler';
+import EventNames from './event-names';
+import { RealtimeEventHandler } from './event-handler';
 import { RealtimeAPIError, RealtimeError } from './error';
 import { EngineClient } from './client';
 
diff --git a/packages/realtime-api/test/client.spec.ts b/packages/realtime-api/test/client.spec.ts
index 601eab5c..bb20740b 100644
--- a/packages/realtime-api/test/client.spec.ts
+++ b/packages/realtime-api/test/client.spec.ts
@@ -3,7 +3,7 @@ import type { Mock } from 'vitest';
 import VERTC, { MediaType, StreamIndex } from '@volcengine/rtc';
 
 import * as utils from '../src/utils';
-import { EventNames } from '../src/event-handler';
+import EventNames from '../src/event-names';
 import { RealtimeAPIError } from '../src/error';
 import { EngineClient } from '../src/client';
 
diff --git a/packages/realtime-api/test/event-handler.spec.ts b/packages/realtime-api/test/event-handler.spec.ts
index 7b49cb6f..65f10bf6 100644
--- a/packages/realtime-api/test/event-handler.spec.ts
+++ b/packages/realtime-api/test/event-handler.spec.ts
@@ -1,4 +1,5 @@
-import { RealtimeEventHandler, EventNames } from '../src/event-handler';
+import EventNames from '../src/event-names';
+import { RealtimeEventHandler } from '../src/event-handler';
 import { RealtimeAPIError } from '../src/error';
 
 describe('RealtimeEventHandler', () => {