diff --git a/client-protocol/Message.ts b/client-protocol/Message.ts
index 44f3882..2012f24 100644
--- a/client-protocol/Message.ts
+++ b/client-protocol/Message.ts
@@ -7,9 +7,8 @@ import CallbackError from "./CallbackError.ts"
 import ApiCallbackMessage from "./ApiCallbackMessage.ts"
 
 import * as marked from 'marked'
-import { text } from "node:stream/consumers";
 
-class ChatMention extends BaseClientObject {
+export class ChatMention extends BaseClientObject {
     declare chat_id?: string
     declare user_id?: string
     declare text?: string
@@ -41,7 +40,7 @@ class ChatMention extends BaseClientObject {
 type FileType = 'Video' | 'Image' | 'File'
 type MentionType = 'ChatMention' | 'UserMention'
 
-class ChatAttachment extends BaseClientObject {
+export class ChatAttachment extends BaseClientObject {
     declare file_hash: string
     declare file_name: string
     constructor(client: LingChairClient, {
diff --git a/client-protocol/main.ts b/client-protocol/main.ts
index ce364d0..3bc5867 100644
--- a/client-protocol/main.ts
+++ b/client-protocol/main.ts
@@ -7,6 +7,7 @@ import GroupSettingsBean from "./bean/GroupSettingsBean.ts"
 import JoinRequestBean from "./bean/JoinRequestBean.ts"
 import MessageBean from "./bean/MessageBean.ts"
 import RecentChatBean from "./bean/RecentChatBean.ts"
+import Message, { ChatAttachment, ChatMention } from "./Message.ts"
 
 import LingChairClient from "./LingChairClient.ts"
 import CallbackError from "./CallbackError.ts"
@@ -14,10 +15,13 @@ import CallbackError from "./CallbackError.ts"
 export {
     LingChairClient,
     CallbackError,
-    
+
     Chat,
     User,
     UserMySelf,
+    Message,
+    ChatAttachment,
+    ChatMention,
 
     UserBean,
     ChatBean,