diff --git a/pages.json b/pages.json
index 8f771bb..0a2303b 100644
--- a/pages.json
+++ b/pages.json
@@ -546,6 +546,13 @@
             {
                 "navigationBarTitleText": "select"
             }
+        },
+        {
+        	"path" : "pages/im/member",
+        	"style" : 
+        	{
+        		"navigationBarTitleText" : ""
+        	}
         },{
             "path" : "pages/about/helpdetail",
             "style" :                                                                                    
diff --git a/pages/im/chat.vue b/pages/im/chat.vue
index 020b630..18e30cb 100644
--- a/pages/im/chat.vue
+++ b/pages/im/chat.vue
@@ -10,11 +10,11 @@
             </template>
         </uni-nav-bar>
 
-        <view class="box-1">
+        <view class="box-1" @click="emoji_show=addons_show=false">
             <scroll-view scroll-y refresher-background="transparent" style="height: 100%;"
                 @refresherrefresh="refresherrefresh" :refresher-enabled="hasMoreMessages" :scroll-with-animation="false"
                 :refresher-triggered="scrollView.refresherTriggered" :scroll-into-view="scrollView.intoView"
-                @scrolltoupper="loadMoreMessages">
+				@scrolltoupper="loadMoreMessages">
                 <view class="talk-list">
                     <!-- 加载更多提示 -->
                     <view v-if="isLoading" class="loading-more">
@@ -30,13 +30,11 @@
                                 @tap="showUserInfo(item.from_user)">
                             </image>
                             <view class="body">
-                                <view class="nickname">{{ item.from_user.nickname || item.from_user.username ||
-                                    'Unknown'}}
-                                </view>
+                                <view class="nickname">{{ item.from_user.nickname || item.from_user.username || 'Unknown'}}</view>
                                 <view class="content" :class="{ 'image-content': item.type === 'image' }">
                                     <template v-if="item.type === 'image'">
-                                        <image :src="getImageUrl(item.content)" mode="widthFix"
-                                            style="max-width: 400rpx;" @tap="previewImage(item.content)"
+                                        <image :src="item.message.thumbnail" mode="widthFix"
+                                            style="max-width: 400rpx;" @tap="previewImage(item)"
                                             @load="onImageLoad(item.id)"></image>
                                     </template>
                                     <template v-else>
@@ -69,10 +67,10 @@
                         @blur="onInputBlur"></uni-easyinput>
                 </view>
                 <view class="action-buttons">
-                    <button @tap="showemoji">
-                        <uni-icons type="checkbox-filled" size="24" color="#666"></uni-icons>
+                    <button @tap="showemoji" style="display: flex;align-items: center;">
+						<img src="@/static/im/emoji.png" style="height:48rpx" mode="widthFix" />
                     </button>
-                    <button @tap="showaddons">
+                    <button @tap="showaddons" style="display: flex;align-items: center;">
                         <uni-icons type="plus" size="24" color="#666"></uni-icons>
                     </button>
                 </view>
@@ -165,7 +163,7 @@ export default {
     data() {
         return {
             init: {
-                cdnurl: 'http://q.sjqqzc.top'
+                cdnurl: 'http://api.dxmt.io'
             },
             channel:{},
             // 滚动容器
@@ -197,6 +195,11 @@ export default {
             emojiList:emojiList,
             emoji_show:false,
             addons_show:false,
+            // 图片加载队列
+            imageLoadQueue: [],
+            isProcessingQueue: false,
+            // 占位图
+            placeholderImage: 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII='
         }
     },
     computed: {
@@ -254,7 +257,21 @@ export default {
         async initChannel(options) {
             let channel = await mattermost.getChannelById(options.target_id);
             if(channel.type=='O'){
-                channel.name = channel.display_name || channel.name
+                channel.name = channel.display_name || channel.name;
+                //一次性获取全部用户的昵称
+                // const members = await mattermost.getChannelMembers(channel.id);
+                // console.log('获取到的频道成员:', members);
+                // const users_ids = [];
+                // for (const member of members) {
+                //     if (member.user_id && member.user_id !== mattermost.getCurrentUserId()) {
+                //         users_ids.push(member.user_id);
+                //     }
+                // }
+                // const users = await mattermost.getUsersByIds(users_ids);
+                // console.log('获取到的频道成员:', users);
+                // for (const user of users.data) {
+                //     mattermost.kown_users[user.id] = user;
+                // }
             }
             if(channel.type=='D'){
                 var target_user_id = channel.name.replace(mattermost.getCurrentUserId(),'').replace('__','')
@@ -297,30 +314,95 @@ export default {
 
 
         // 处理消息数据
-        processMessageData(post, senderName = '') {
+        async processMessageData(post, senderName = '') {
+            console.log('处理消息数据:', post);
             // 构建用户信息
-            const fromUser = mattermost.kown_users[post.user_id];
+            const fromUser = await mattermost.getUserById(post.user_id);
 
             // 处理消息类型
             let messageType = 'text';
             let messageContent = post.message;
             let imageUrl = '';
 
-            if (post.props && post.props.attachments) {
-                const attachment = post.props.attachments[0];
-                if (attachment.type === 'image') {
-                    messageType = 'image';
-                    imageUrl = attachment.image_url;
+            let imageInfo = null;
+            // 检查是否是图片消息
+            if (post.file_ids && post.file_ids.length > 0) {
+                messageType = 'image';
+                // 从 metadata.files 中获取图片信息
+                if (post.metadata && post.metadata.files && post.metadata.files.length > 0) {
+                    const file = post.metadata.files[0];
+                    if (file.mime_type && file.mime_type.startsWith('image/')) {
+                        // 构建图片信息对象
+                        imageInfo = {
+                            id: file.id,
+                            width: file.width,
+                            height: file.height,
+                            mimeType: file.mime_type
+                        };
+                        console.log(file)
+                        
+                        messageContent = {
+                            id: file.id,
+                            //thumbnail: this.placeholderImage, // 先使用占位图
+                            thumbnail: `${mattermost.adminBaseUrl}/api/v4/files/${file.id}/thumbnail`,
+                            preview: null,
+                            original: `${mattermost.adminBaseUrl}/api/v4/files/${file.id}/preview`
+                        };
+
+                        // 将图片添加到加载队列
+                        //this.addToImageLoadQueue(post.id, file.id);
+                    }
                 }
             }
 
             return {
                 ...post,
+                id: post.id,
+                user_id: post.user_id,
+                message: messageContent,
+                type: messageType,
+                create_time: post.create_at,
                 status: 'success',
-                from_user: fromUser
+                from_user: fromUser,
+                imageInfo: imageInfo
             };
         },
 
+        // 添加图片到加载队列
+        addToImageLoadQueue(messageId, fileId) {
+            this.imageLoadQueue.push({ messageId, fileId });
+            if (!this.isProcessingQueue) {
+                this.processImageLoadQueue();
+            }
+        },
+
+        // 处理图片加载队列
+        async processImageLoadQueue() {
+            if (this.isProcessingQueue || this.imageLoadQueue.length === 0) return;
+
+            this.isProcessingQueue = true;
+            const { messageId, fileId } = this.imageLoadQueue.shift();
+
+            try {
+                // 获取缩略图
+                const thumbnailData = await mattermost.getThumbnail(fileId);
+                
+                // 更新消息中的图片
+                const messageIndex = this.talkList.findIndex(msg => msg.id === messageId);
+                if (messageIndex !== -1) {
+                    this.$set(this.talkList[messageIndex].message, 'thumbnail', thumbnailData);
+                }
+            } catch (error) {
+                console.error('加载缩略图失败:', error);
+            } finally {
+                this.isProcessingQueue = false;
+                // 继续处理队列中的下一个图片
+                if (this.imageLoadQueue.length > 0) {
+                    setTimeout(() => this.processImageLoadQueue(), 100);
+                }
+            }
+        },
+
         // 加载消息
         async loadMessages() {
             if (this.ajax.flag || this.ajax.loading) return;
@@ -355,7 +437,8 @@ export default {
                     });
                 }
                 for (var k in posts) {
-                    posts[k]['from_user'] = mattermost.kown_users[posts[k]['user_id']];//users[posts[k]['user_id']];
+                    posts[k] = await this.processMessageData(posts[k]);
+                    //posts[k]['from_user'] = await mattermost.getUserById(posts[k]['user_id']);//users[posts[k]['user_id']];
                 }
                 // 更新消息列表
                 if (this.ajax.page === 0) {
@@ -405,15 +488,14 @@ export default {
 				//console.log('发送消息:', this.content);
 				// 发送消息
 				const result = await mattermost.sendTextMessage(this.channel.id, this.content);
-
+                //console.log('发送消息:', this.content);
 				if (result && result.id) {
 					this.content = '';
-					result['from_user'] = await mattermost.getUserById(result.user_id);
-					this.talkList.push(result);
-					console.log('发送成功:', result,this.talkList);
-					// 更新消息状态
-					//result.from_user = this.im_user;
-					//this.talkList[result.id] = result;
+					//result['from_user'] = await mattermost.getUserById(result.user_id);
+					if(this.channel.type !='O'){
+						this.handleNewMessage({post:result});
+					}
+					//console.log('发送成功:', result,this.talkList);
 				} else {
 					throw new Error('发送失败');
 				}
@@ -428,30 +510,29 @@ export default {
 
 		// 发送图片消息
 		async sendImageMessage(tempFilePath) {
-                    try {
-                        // 上传图片
-                        const result = await mattermost.sendImageMessage(this.channel.id, tempFilePath);
-        
-                        if (!result || !result.id) {
-                            throw new Error('发送失败');
-                        }
-        				result['from_user'] = await mattermost.getUserById(result.user_id);
-        				this.talkList.push(result);
-                        //this.content = '';
-        
-                        //console.log('发送图片消息成功:', result);
-                    } catch (error) {
-                        console.error('发送图片消息失败:', error);
-                        uni.showToast({
-                            title: '发送失败',
-                            icon: 'none'
-                        });
-                    }
-                },
+			try {
+				// 上传图片
+				const result = await mattermost.sendImageMessage(this.channel.id, tempFilePath);
 
+				if (!result || !result.id) {
+					throw new Error('发送失败');
+				}
+				if(this.channel.type !='O'){
+                    this.handleNewMessage({post:result});
+				}
+				//this.content = '';
 
+				//console.log('发送图片消息成功:', result);
+			} catch (error) {
+				console.error('发送图片消息失败:', error);
+				uni.showToast({
+					title: '发送失败',
+					icon: 'none'
+				});
+			}
+		},
         // 处理新消息
-        handleNewMessage(message) {
+        async handleNewMessage(message) {   
             console.log('收到新消息:', message);
 
             // 检查消息格式
@@ -485,8 +566,7 @@ export default {
                 console.log('消息已存在，忽略:', post.id);
                 return;
             }
-
-            const newMessage = this.processMessageData(post, message.sender_name);
+            const newMessage = await this.processMessageData(post, message.sender_name);
 
             console.log('添加新消息到列表:', newMessage);
             this.talkList.push(newMessage);
@@ -642,13 +722,27 @@ export default {
         },
 
         // 预览图片
-        previewImage(url) {
+        previewImage(message) {
+            console
+            .warn('previewImage', message);
+            if (!message.message || !message.message.id) return;
+            const file_id = message.imageInfo.id;
+            // 获取所有图片消息的原图URL
             const images = this.talkList
-                .filter(msg => msg.type === 'image')
-                .map(msg => this.getImageUrl(msg.content));
+                .filter(msg => msg.type === 'image' && msg.imageInfo && msg.imageInfo.id)
+                .map(msg => {
+                    return `${mattermost.adminBaseUrl}/api/v4/files/${msg.imageInfo.id}`;
+                });
+
             uni.previewImage({
                 urls: images,
-                current: this.getImageUrl(url)
+                current: `${mattermost.adminBaseUrl}/api/v4/files/${message.imageInfo.id}`,
+                success: () => {
+                    console.log('预览图片成功');
+                },
+                fail: (err) => {
+                    console.error('预览图片失败:', err);
+                }
             });
         },
 
@@ -762,7 +856,6 @@ export default {
     }
 }
 </script>
-
 <style lang="scss" scoped>
 .container {
     height: 100vh;
diff --git a/pages/im/member.vue b/pages/im/member.vue
new file mode 100644
index 0000000..f8b440c
--- /dev/null
+++ b/pages/im/member.vue
@@ -0,0 +1,390 @@
+<template>
+	<view class="container">
+		<uni-nav-bar 
+			:title="$t('MT Team')"
+			left-icon="left"
+			@clickLeft="goto('/pages/im/index',2)"
+			:border="false"
+			backgroundColor="F5f5f5">
+		</uni-nav-bar>
+		<view class="box-1">
+			<scroll-view 
+				scroll-y 
+				refresher-background="transparent"
+				style="height: 100%;" 
+				@refresherrefresh="refresherrefresh"
+				:refresher-enabled="ajax.last_page > ajax.page"
+				:scroll-with-animation="false"
+				:refresher-triggered="scrollView.refresherTriggered"
+			>
+                <uni-list>
+					<template v-for="item in friend_list" >
+						<uni-list-chat 
+							v-if="item.id"
+							:key="`${item.id}`"
+							:avatar-circle="true"
+							:title="item.display_name || item.name || item.nickname || item.email"
+							:avatar="getAvatarUrl(item)"
+							:note="item.last_msg ? (item.last_msg_type === 'image' ? '[图片]' : item.last_msg) : '暂无消息'"
+							:time="item.last_post_at ? date(item.last_post_at) : ''"
+							:badge-text="item.unread_count > 0 ? (item.unread_count > 99 ? '99+' : item.unread_count) : ''"
+							clickable
+							@click="handleContactClick(item)"
+						></uni-list-chat>
+					</template>
+                    <!--这里显示最近联系人-->
+				</uni-list>
+			</scroll-view>
+		</view>
+		
+	</view>
+</template>
+
+<script>
+	import {
+		mapState,
+		mapMutations
+	} from 'vuex';
+	import mattermost from '@/static/im/mattermost.js';
+	import base from '@/config/baseUrl'; // 导入base变量
+
+	export default {
+		data() {
+			return {
+				// 初始化数据
+				config: {
+					cdnurl: '',
+					// 其他初始化数据
+				},
+				friend_list: {},
+				// 聊天列表数据
+				ajax: {
+					limit: 20,    // 每页数量
+					last_page: 1, // 总页数
+					page: 0,      // 当前页码
+					flag: false,  // 请求开关
+					loading: false // 加载状态
+				},
+				scrollView: {
+					refresherTriggered: false // 下拉刷新状态
+				},
+			}
+		},
+		computed: {
+			...mapState(['userInfo']),
+			// 添加计算属性来安全访问 ajax 数据
+			hasMoreData() {
+				return this.ajax && this.ajax.last_page > this.ajax.page;
+			}
+		},
+        onShow() {
+            this.init();
+        },
+		onLoad() {
+            this.init();
+		},
+		onUnload() {
+			// 移除消息事件监听
+			mattermost.off('posted', this.handleNewMessage);
+			mattermost.off('post_deleted', this.handleMessageDeleted);
+			mattermost.off('post_edited', this.handleMessageEdited);
+		},
+		onPullDownRefresh() {
+			this.loadContactList().finally(() => {
+				uni.stopPullDownRefresh();
+			});
+		},
+		methods: {
+			...mapMutations(['setUserInfo']),
+            async init(){
+                try {
+                    if(!this.userInfo.token || !this.userInfo.im_token){
+                        return ;
+                    }
+                    // 获取用户信息
+                    //const userinfo = await this.$http.get('/api/user/profile');
+                    //this.setUserInfo(userinfo.data);
+                    //console.log('用户信息:', this.userInfo);
+                    
+                    // 获取初始化数据
+                    const initRes = await this.$http.get('/api/common/init?lang=' + this.$i18n.locale);
+                    if (initRes.code === 0) {
+                        this.config = initRes.data;
+                        this.config.cdnurl = initRes.data.cdnurl || "http://www.dxmt.io";
+                    }
+                    
+                    // 检查 Mattermost 连接状态
+                    await mattermost.init();
+                    // 加载联系人列表
+                    this.loadContactList();
+                    // 注册消息事件监听
+                    mattermost.on('posted', this.handleNewMessage);
+                    mattermost.on('post_deleted', this.handleMessageDeleted);
+                    mattermost.on('post_edited', this.handleMessageEdited);
+                } catch (error) {
+                    console.error('页面加载失败:', error);
+                    uni.showToast({
+                        title: '加载失败',
+                        icon: 'none'
+                    });
+                }
+            },
+			
+			// 加载联系人列表
+			async loadContactList() {
+				if (this.ajax.flag || this.ajax.loading) return;
+				this.ajax.flag = true;
+				this.ajax.loading = true;
+				
+				try {
+					// 获取固定联系人列表
+					const fixedContactsRes = await this.$http.get('/api/chat/get_team_member_list');
+					let fixedContacts = [];
+					
+					if (fixedContactsRes.code === 0 && Array.isArray(fixedContactsRes.data)) {
+						fixedContacts = fixedContactsRes.data;
+					}
+
+					// 获取私聊列表
+					const recent_contacts = await mattermost.getRecentContacts();
+					
+                    const sortedContacts = {};
+                    for (const key in fixedContacts) {
+                        if (Object.prototype.hasOwnProperty.call(fixedContacts, key)) {
+                            sortedContacts[fixedContacts[key].id] = fixedContacts[key];
+                        }
+                    }
+                    for (const key in sortedContacts) {
+                        if (Object.prototype.hasOwnProperty.call(sortedContacts, key)) {
+                            sortedContacts[key].unread_count = sortedContacts[key].unread_count || 0;
+                            this.friend_list[key] = sortedContacts[key];
+                        }
+                    }
+					console.log('联系人列表:',this.friend_list);
+					// 更新列表
+					if (this.ajax.page === 0) {
+						//this.friend_list = sortedContacts;
+					} else {
+						//this.friend_list = [...this.friend_list, ...sortedContacts];
+					}
+					
+					// 更新分页信息
+					this.ajax.page++;
+					this.ajax.last_page = Math.ceil(sortedContacts.length / this.ajax.limit);
+					
+				} catch (error) {
+					console.error('加载联系人列表失败:', error);
+					uni.showToast({
+						title: '加载失败',
+						icon: 'none'
+					});
+				} finally {
+					this.ajax.flag = false;
+					this.ajax.loading = false;
+					this.scrollView.refresherTriggered = false;
+				}
+			},
+			
+			// 处理联系人点击
+			async handleContactClick(item) {
+				try {
+					// 如果是私聊类型，需要先查询直接消息频道ID
+                    var url = await mattermost.talk_to_user(item); // 跳转到聊天页面
+					uni.navigateTo({
+						url: url
+					});
+				} catch (error) {
+					console.error('处理联系人点击失败:', error);
+					uni.showToast({
+						title: '操作失败',
+						icon: 'none'
+					});
+				}
+			},
+			
+			// 处理新消息
+			async handleNewMessage(message) {
+				// 更新联系人列表中的消息
+				const updateContact = async(list) => {
+                    let is_exist = false;
+                    let post = JSON.parse(message.post);
+                    for(var k in list){
+                        const contact = list[k];
+                        if(message.channel_type == 'D'){
+                            //私聊消息
+                            if(contact.id === post.user_id) {
+                                is_exist = true;
+                                list[k]= contact;
+                                list[k]['last_msg']=post.message;
+                                list[k]['last_msg_type']= post.type || 'text';
+                                list[k]['last_msg_time']= post.create_at;
+                                list[k]['unread_count']= contact.unread_count+=1;
+                            }
+                        }
+                        if(message.channel_type == 'O'){
+                            if(contact.id === post.channel_id) {
+                                is_exist = true;
+                                list[k]= contact;
+                                list[k]['last_msg']=post.message;
+                                list[k]['last_msg_type']= post.type || 'text';
+                                list[k]['last_msg_time']= post.create_at;
+                                list[k]['unread_count']= contact.unread_count+=1;
+                            }
+                            //群组消息
+                        }
+					}
+                    if(message.channel_type == 'D' && !is_exist){
+                        console.log('新消息:', message,'不存在');
+                        let send_user = await mattermost.getUserInfo(post.user_id);
+                        //console.log('send_user',send_user);
+                        let contact = send_user.data;
+                        contact['last_msg']=post.message;
+                        contact['last_msg_type']= post.type || 'text';
+                        contact['last_msg_time']= post.create_at;
+                        contact['unread_count']= 1;
+                        list[k]= contact;
+                    }
+                    let _keys = Object.keys(list).sort((a, b) => {
+						const timeA = a.last_msg_time ? new Date(a.last_msg_time).getTime() : 0;
+						const timeB = b.last_msg_time ? new Date(b.last_msg_time).getTime() : 0;
+						return timeB - timeA;
+					});
+                    
+                    let _list = {};
+                    for (let index = 0; index < _keys.length; index++) {
+                        _list[_keys[index]] = list[_keys[index]];
+                    }
+                    return _list;
+				};
+				
+				this.friend_list = await updateContact(this.friend_list);
+			},
+			
+			// 处理消息删除
+			handleMessageDeleted(message) {
+				const updateContact = (list) => {
+					return list.map(contact => {
+						if(contact.id === message.channel_id) {
+							return {
+								...contact,
+								last_msg: '此消息已删除',
+								last_msg_type: 'text',
+								last_msg_time: message.create_at
+							};
+						}
+						return contact;
+					});
+				};
+				
+				this.friend_list = updateContact(this.friend_list);
+			},
+			
+			// 处理消息编辑
+			handleMessageEdited(message) {
+				const updateContact = (list) => {
+					return list.map(contact => {
+						if(contact.id === message.channel_id) {
+							return {
+								...contact,
+								last_msg: message.message,
+								last_msg_time: message.update_at
+							};
+						}
+						return contact;
+					});
+				};
+				
+				this.friend_list = updateContact(this.friend_list);
+			},
+			
+			refresherrefresh() {
+				this.scrollView.refresherTriggered = true;
+				this.ajax.page = 0;
+				this.loadContactList();
+			},
+			goto(url,type){
+				if(type==2){
+					return uni.switchTab({url:url})
+				}
+				if(type==1){
+					return uni.navigateBack({delta:url});
+				}
+				uni.navigateTo({
+					url:url
+				})
+			},
+            
+			/**
+			 * JavaScript 仿 PHP date() 函数
+			 * @param {string} format - 格式字符串
+			 * @param {number|Date} [timestamp] - 可选的时间戳或Date对象，默认为当前时间
+			 * @return {string} 格式化后的日期时间字符串
+			 */
+			date(format, timestamp) {
+			    // 处理时间参数
+                if(!timestamp){
+                    return '';
+                }
+                let date = timestamp;
+                if(!(timestamp instanceof Date)){
+                    date = Date(timestamp * 1000);
+                    if(timestamp > 1749000000){
+                        date = Date(timestamp);
+                    }
+                }
+			    
+			    // 定义替换规则
+			    const replacements = {
+			        // 日
+			        'd': () => String(date.getDate()).padStart(2, '0'),
+			        'j': () => date.getDate(),
+			        // 月
+			        'm': () => String(date.getMonth() + 1).padStart(2, '0'),
+			        'n': () => date.getMonth() + 1,
+			        // 年
+			        'Y': () => date.getFullYear(),
+			        'y': () => String(date.getFullYear()).slice(-2),
+			        // 时间
+			        'H': () => String(date.getHours()).padStart(2, '0'),
+			        'i': () => String(date.getMinutes()).padStart(2, '0'),
+			        's': () => String(date.getSeconds()).padStart(2, '0'),
+			        // 其他
+			        'w': () => date.getDay(), // 星期几 (0-6)
+			        'A': () => date.getHours() >= 12 ? 'PM' : 'AM',
+			        'a': () => date.getHours() >= 12 ? 'pm' : 'am',
+			    };
+			    
+			    // 执行替换
+			    let result = '';
+			    for (let i = 0; i < format.length; i++) {
+			        const char = format[i];
+			        if (char in replacements) {
+			            result += replacements[char]();
+			        } else {
+			            result += char;
+			        }
+			    }
+			    
+			    return result;
+            },
+            getAvatarUrl(item) {
+                if(!item.avatar){
+                    return this.config.cdnurl+'/static/img/avatar.png';
+                }
+                return (item.avatar.startsWith('http') ? '' : this.config.cdnurl) + item.avatar;
+            }
+		}
+	}
+</script>
+
+<style lang="scss" scoped>
+    .container {
+        height: 100vh;
+        background-color: #F5F5F5;
+        font-family: "poppins";
+        .box-1 {
+            flex: 1;
+            height: calc(100vh - var(--window-top) - 44px);
+        }
+    }
+</style>
\ No newline at end of file
diff --git a/static/im/emoji.png b/static/im/emoji.png
new file mode 100644
index 0000000..b4530a8
Binary files /dev/null and b/static/im/emoji.png differ
diff --git a/static/im/mattermost.js b/static/im/mattermost.js
index 09f6919..1aaa7ba 100644
--- a/static/im/mattermost.js
+++ b/static/im/mattermost.js
@@ -73,7 +73,7 @@ class MattermostClient {
         const protocol = process.env.NODE_ENV === 'development' ? 'ws' : 'wss';
         // 构建 WebSocket URL，使用用户 API 域名
         const connectionId = Date.now().toString(36) + Math.random().toString(36).substr(2);
-        this.wsUrl = this.userBaseUrl.replace('https',protocol) + `/api/v4/websocket?connection_id=${connectionId}&sequence_number=0`;        
+        this.wsUrl = this.userBaseUrl.replace('https',protocol)+`/api/v4/websocket?connection_id=${connectionId}&sequence_number=0`;        
         // 重置状态
         this.sequence = 1;
         this.reconnectAttempts = 0;
@@ -591,32 +591,40 @@ class MattermostClient {
 
     // 文件上传封装
     async uploadFile(options) {
-        const { url, filePath, name = 'files', headers = {} } = options;
+        const { channelId, filePath, name = 'files', headers = {} } = options;
         
+        if (!channelId) {
+            throw new Error('channelId 是必需的');
+        }
+
         // 添加认证头
         const requestHeaders = {
             'Authorization': `Bearer ${this.userToken}`,
             ...headers
         };
 
-        const [error, response] = await uni.uploadFile({
-            url,
+        // 直接上传文件
+        const [uploadError, uploadResponse] = await uni.uploadFile({
+            url: `${this.userBaseUrl}/api/v4/files`,
             filePath,
             name,
-            header: requestHeaders
+            header: requestHeaders,
+            formData: {
+                channel_id: channelId
+            }
         }).catch(err => [err, null]);
 
-        if (error) {
-            console.error(`文件上传失败 [${url}]:`, error);
-            throw error;
+        if (uploadError) {
+            console.error('文件上传失败:', uploadError);
+            throw uploadError;
         }
 
-        if (response.statusCode >= 200 && response.statusCode < 300) {
-            return response.data;
+        if (uploadResponse.statusCode >= 200 && uploadResponse.statusCode < 300) {
+            return JSON.parse(uploadResponse.data);
         }
 
-        console.error(`文件上传失败 [${url}]:`, response);
-        throw new Error(`文件上传失败: ${response.statusCode}`);
+        console.error('文件上传失败:', uploadResponse);
+        throw new Error(`文件上传失败: ${uploadResponse.statusCode}`);
     }
 
     // 获取频道消息
@@ -664,16 +672,15 @@ class MattermostClient {
         try {
             // 1. 上传文件
             const fileData = await this.uploadFile({
-                url: `${this.userBaseUrl}/api/v4/files`,
+                channelId,
                 filePath
             });
 
-            const fileInfo = JSON.parse(fileData);
-            const fileId = fileInfo.file_infos[0].id;
+            const fileId = fileData.file_infos[0].id;
 
             // 2. 发送带图片的消息
             return this.request({
-                url: `${this.userBaseUrl}/api/v4/posts`,
+                url: `/api/v4/posts`,
                 method: 'POST',
                 data: {
                     channel_id: channelId,
@@ -687,6 +694,40 @@ class MattermostClient {
             throw error;
         }
     }
+    async getThumbnail(file_id, width = 200, height = 200) {
+        return this.adminBaseUrl+'/api/v4/files/${file_id}/thumbnail?width=${width}&height=${height}';
+        try {
+            const response = await this.request({
+                url: `/api/v4/files/${file_id}/thumbnail`,
+                method: 'GET',
+                data: {
+                    width,
+                    height
+                }
+            });
+            return response;
+        } catch (error) {
+            console.error('获取缩略图失败:', error);
+            throw error;
+        }
+    }
+
+    async getPreview(file_id, width = 800, height = 800) {
+        try {
+            const response = await this.request({
+                url: `/api/v4/files/${file_id}/preview`,
+                method: 'GET',
+                data: {
+                    width,
+                    height
+                }
+            });
+            return response;
+        } catch (error) {
+            console.error('获取预览图失败:', error);
+            throw error;
+        }
+    }
 
     // 标记消息为已读
     async markChannelAsViewed(channelId) {