diff --git a/packages/tsdaodaobase/src/Components/Conversation/index.tsx b/packages/tsdaodaobase/src/Components/Conversation/index.tsx
index 1e3c5a1..eab57ea 100644
--- a/packages/tsdaodaobase/src/Components/Conversation/index.tsx
+++ b/packages/tsdaodaobase/src/Components/Conversation/index.tsx
@@ -1,4 +1,4 @@
-import { Channel, ChannelTypeGroup, ChannelTypePerson, ConversationAction, WKSDK, Mention, Message, MessageContent, Reminder, ReminderType, Reply,MessageText } from "wukongimjssdk";
+import { Channel, ChannelTypeGroup, ChannelTypePerson, ConversationAction, WKSDK, Mention, Message, MessageContent, Reminder, ReminderType, Reply, MessageText } from "wukongimjssdk";
 import React, { Component, HTMLProps } from "react";
 import Provider from "../../Service/Provider";
 import ConversationVM from "./vm";
@@ -6,7 +6,7 @@ import "./index.css"
 import { MessageWrap } from "../../Service/Model";
 import WKApp from "../../App";
 import { RevokeCell } from "../../Messages/Revoke";
-import {  MessageContentTypeConst } from "../../Service/Const";
+import { MessageContentTypeConst } from "../../Service/Const";
 import ConversationContext from "./context";
 import MessageInput, { MentionModel, MessageInputContext } from "../MessageInput";
 import ContextMenus, { ContextMenusContext } from "../ContextMenus";
@@ -258,7 +258,7 @@ export class Conversation extends Component<ConversationProps> implements Conver
         }
         this.scrollTimer = window.setTimeout(() => {
             this.handleScrollEnd()
-        }, 500) 
+        }, 500)
         this.contextMenusContext.hide()
         const targetScrollTop = e.target.scrollTop;
         const scrollOffsetTop = e.target.scrollHeight - (targetScrollTop + e.target.clientHeight);
@@ -284,6 +284,14 @@ export class Conversation extends Component<ConversationProps> implements Conver
 
     }
 
+    // 判断内容是否满一屏幕
+    isFullScreen(viewport: HTMLElement | null) {
+        if (!viewport) {
+            return false
+        }
+        return viewport.scrollHeight > viewport.clientHeight
+    }
+
     handleScrollEnd() {
         this.uploadReadedIfNeed()
     }
@@ -421,7 +429,7 @@ export class Conversation extends Component<ConversationProps> implements Conver
         }
     }
     // 所有可见的消息
-    allVisiableMessages(vp: HTMLElement | null):Array<MessageWrap> {
+    allVisiableMessages(vp: HTMLElement | null): Array<MessageWrap> {
         const visiableMessages = new Array<MessageWrap>()
         if (!this.vm.messages || this.vm.messages.length === 0) {
             return visiableMessages
@@ -433,7 +441,7 @@ export class Conversation extends Component<ConversationProps> implements Conver
         if (!viewport) {
             return visiableMessages
         }
-        
+
         const targetScrollTop = viewport.scrollTop;
         for (let index = 0; index < this.vm.messages.length; index++) {
             const message = this.vm.messages[index];
@@ -505,7 +513,7 @@ export class Conversation extends Component<ConversationProps> implements Conver
                             <ConversationPositionView onScrollToBottom={async () => {
                                 return this.vm.onDownArrow()
                             }} onReminder={(reminder) => {
-                                return this.vm.syncMessages(reminder.messageSeq,()=>{
+                                return this.vm.syncMessages(reminder.messageSeq, () => {
                                     const newMessageWrap = this.vm.findMessageWithMessageSeq(reminder.messageSeq)
                                     if (newMessageWrap) {
                                         newMessageWrap.locateRemind = true // 设置为闪烁提醒
diff --git a/packages/tsdaodaobase/src/Components/Conversation/vm.ts b/packages/tsdaodaobase/src/Components/Conversation/vm.ts
index 4253e96..c907aa6 100644
--- a/packages/tsdaodaobase/src/Components/Conversation/vm.ts
+++ b/packages/tsdaodaobase/src/Components/Conversation/vm.ts
@@ -1,4 +1,4 @@
-import { Channel, ChannelTypeGroup, ChannelTypePerson, ConversationAction, WKSDK, Message, MessageContent, MessageStatus, Subscriber, Conversation, MessageExtra, CMDContent, PullMode, MessageContentType, ChannelInfo } from "wukongimjssdk";
+import { Channel, ChannelTypeGroup, ChannelTypePerson, ConversationAction, WKSDK, Message, MessageContent, MessageStatus, Subscriber, Conversation, MessageExtra, CMDContent, PullMode, MessageContentType, ChannelInfo, ConversationListener } from "wukongimjssdk";
 import WKApp from "../../App";
 import { SyncMessageOptions } from "../../Service/DataSource/DataProvider";
 import { MessageWrap } from "../../Service/Model";
@@ -40,6 +40,7 @@ export default class ConversationVM extends ProviderListener {
     messageListener!: MessageListener // 消息监听
     cmdListener!: MessageListener // cmd消息监听
     messageStatusListener!: MessageStatusListener // 消息状态监听
+    conversationListener!: ConversationListener // 会话监听
     lastMessage?: MessageWrap // 此会话的最后一条最新的消息
     lastLocalMessageElement?: HTMLElement | null // 最后一条消息的dom元素
     private _showScrollToBottomBtn?: boolean = false // 是否显示底部按钮
@@ -253,6 +254,17 @@ export default class ConversationVM extends ProviderListener {
 
     didMount(): void {
 
+        this.conversationListener = (conversation: Conversation, action: ConversationAction) => {
+            if(!conversation.channel.isEqual(this.channel)) {
+                return
+            }
+            if(action == ConversationAction.update) {
+                console.log("update-2--->",conversation.unread)
+                this.unreadCount = conversation.unread
+            }
+        }
+        WKSDK.shared().conversationManager.addConversationListener(this.conversationListener)
+
         // 消息监听
         this.messageListener = (message: Message) => {
             if (!message.channel.isEqual(this.channel)) {
@@ -303,8 +315,12 @@ export default class ConversationVM extends ProviderListener {
 
         WKApp.endpointManager.setMethod(EndpointID.clearChannelMessages, (channel: Channel) => {
             if (channel.isEqual(this.channel)) {
+                if(this.messagesOfOrigin.length > 0) {
+                    this.browseToMessageSeq = this.messagesOfOrigin[this.messagesOfOrigin.length-1].messageSeq
+                }
                 this.messagesOfOrigin = []
                 this.messages = []
+                this.lastMessage = undefined
                 this.notifyListener()
             }
         }, {})
@@ -381,6 +397,7 @@ export default class ConversationVM extends ProviderListener {
         WKSDK.shared().chatManager.removeCMDListener(this.cmdListener)
 
         TypingManager.shared.removeTypingListener(this.typingListener)
+        WKSDK.shared().conversationManager.removeConversationListener(this.conversationListener)
 
     }
 
@@ -664,13 +681,14 @@ export default class ConversationVM extends ProviderListener {
             this.lastMessage = message
             change = true
         }
-        if (change) {
+        if (change && this.showScrollToBottomBtn) {
             this.refreshNewMsgCount()
         }
     }
 
     // 刷新新消息数量
     refreshNewMsgCount() {
+       
         const oldUnreadCount = this.unreadCount
         if (this.browseToMessageSeq == 0) {
             this.unreadCount = 0
@@ -689,6 +707,7 @@ export default class ConversationVM extends ProviderListener {
         if (oldUnreadCount != this.unreadCount) {
             const conversation = WKSDK.shared().conversationManager.findConversation(this.channel)
             if (conversation) {
+                console.log("this.unreadCount--->",this.unreadCount)
                 conversation.unread = this.unreadCount
                 WKSDK.shared().conversationManager.notifyConversationListeners(conversation, ConversationAction.update)
             }
diff --git a/packages/tsdaodaobase/src/Components/ConversationList/index.tsx b/packages/tsdaodaobase/src/Components/ConversationList/index.tsx
index 7ec38d6..637645c 100644
--- a/packages/tsdaodaobase/src/Components/ConversationList/index.tsx
+++ b/packages/tsdaodaobase/src/Components/ConversationList/index.tsx
@@ -21,6 +21,7 @@ export interface ConversationListProps {
     conversations: ConversationWrap[]
     select?: Channel
     onClick?: (conversation: ConversationWrap) => void
+    onClearMessages?: (channel: Channel) => void
 }
 
 export interface ConversationListState {
@@ -234,14 +235,9 @@ export default class ConversationList extends Component<ConversationListProps, C
     }
 
     async onClearMessages(channel: Channel) {
-        const conversation = WKSDK.shared().conversationManager.findConversation(channel)
-        if (!conversation) {
-            return
+        if(this.props.onClearMessages) {
+            this.props.onClearMessages(channel)
         }
-        await WKApp.conversationProvider.clearConversationMessages(conversation)
-        conversation.lastMessage = undefined
-        WKApp.endpointManager.invoke(EndpointID.clearChannelMessages, channel)
-        this.setState({})
     }
 
     render() {
diff --git a/packages/tsdaodaobase/src/Pages/Chat/index.tsx b/packages/tsdaodaobase/src/Pages/Chat/index.tsx
index a3dbb77..0bc6648 100644
--- a/packages/tsdaodaobase/src/Pages/Chat/index.tsx
+++ b/packages/tsdaodaobase/src/Pages/Chat/index.tsx
@@ -15,6 +15,7 @@ import { Channel, ChannelInfo, WKSDK } from "wukongimjssdk";
 import { ChannelInfoListener } from "wukongimjssdk";
 import { ChatMenus } from "../../App";
 import ConversationContext from "../../Components/Conversation/context";
+import { EndpointID } from "../../Service/Const";
 
 export interface ChatContentPageProps {
   channel: Channel;
@@ -51,6 +52,8 @@ export class ChatContentPage extends Component<
     WKSDK.shared().channelManager.removeListener(this.channelInfoListener);
   }
 
+
+
   render(): React.ReactNode {
     const { channel, initLocateMessageSeq } = this.props;
     const { showChannelSetting } = this.state;
@@ -175,7 +178,17 @@ export default class ChatPage extends Component<any> {
     // WKApp.routeMain.replaceToRoot(<ChatContentPage vm={this.vm}></ChatContentPage>)
   }
 
-  componentWillUnmount() {}
+  componentWillUnmount() { }
+
+  
+
+  updateConversation(channel: Channel) {
+    const conversation = WKSDK.shared().conversationManager.findConversation(channel)
+    if(conversation) {
+      conversation.unread = 0
+      conversation.lastMessage = undefined
+    }
+  }
 
   render(): ReactNode {
     return (
@@ -235,6 +248,7 @@ export default class ChatPage extends Component<any> {
                       <ConversationList
                         select={WKApp.shared.openChannel}
                         conversations={vm.conversations}
+                        onClearMessages={this.vm.clearMessages.bind(this.vm)}
                         onClick={(conversation: ConversationWrap) => {
                           vm.selectedConversation = conversation;
                           WKApp.endpoints.showConversation(
diff --git a/packages/tsdaodaobase/src/Pages/Chat/vm.ts b/packages/tsdaodaobase/src/Pages/Chat/vm.ts
index 14bc53b..5ac2109 100644
--- a/packages/tsdaodaobase/src/Pages/Chat/vm.ts
+++ b/packages/tsdaodaobase/src/Pages/Chat/vm.ts
@@ -8,6 +8,7 @@ import { ConversationWrap } from "../../Service/Model";
 import { ProviderListener } from "../../Service/Provider";
 import { animateScroll, scroller } from 'react-scroll';
 import { ProhibitwordsService } from "../../Service/ProhibitwordsService";
+import { EndpointID } from "../../Service/Const";
 
 export class ChatVM extends ProviderListener {
     conversations: ConversationWrap[] = new Array()
@@ -182,6 +183,21 @@ export class ChatVM extends ProviderListener {
         }
     }
 
+      async clearMessages(channel: Channel) {
+    
+        const conversationWrap = this.findConversation(channel)
+        if (!conversationWrap) {
+          return
+        }
+        await WKApp.conversationProvider.clearConversationMessages(conversationWrap.conversation)
+        conversationWrap.conversation.lastMessage = undefined
+        conversationWrap.conversation.unread = 0
+        WKApp.endpointManager.invoke(EndpointID.clearChannelMessages, channel)
+        this.sortConversations()
+        this.notifyListener()
+      }
+
+
     setConnectTitleWithConnectStatus(connectStatus: ConnectStatus) {
         if (connectStatus === ConnectStatus.Connected) {
             this.connectTitle = WKApp.config.appName