diff --git a/src/components/InstantMessage.vue b/src/components/InstantMessage.vue
new file mode 100644
index 0000000..bd2ab98
--- /dev/null
+++ b/src/components/InstantMessage.vue
@@ -0,0 +1,656 @@
+<template>
+  <div class="instant-message-container">
+    <!-- 对话列表 -->
+    <div class="conversation-list">
+      <div class="conversation-header">
+        <h3>对话</h3>
+        <div class="search-box">
+          <input type="text" placeholder="搜索对话" v-model="searchKeyword" />
+          <img src="/images/profile/message.png" alt="搜索" class="search-icon" />
+        </div>
+      </div>
+      
+      <div class="conversation-items">
+        <div 
+          v-for="conversation in filteredConversations" 
+          :key="conversation.id"
+          :class="['conversation-item', { active: selectedConversation?.id === conversation.id }]"
+          @click="selectConversation(conversation)"
+        >
+          <div class="avatar-container">
+            <img :src="conversation.avatar" :alt="conversation.name" class="conversation-avatar" />
+            <div v-if="conversation.unreadCount > 0" class="unread-badge">{{ conversation.unreadCount }}</div>
+          </div>
+          <div class="conversation-info">
+            <div class="conversation-name">{{ conversation.name }}</div>
+            <div class="last-message">{{ conversation.lastMessage }}</div>
+          </div>
+          <div class="conversation-meta">
+            <div class="last-time">{{ conversation.lastTime }}</div>
+            <div v-if="conversation.isOnline" class="online-indicator"></div>
+          </div>
+        </div>
+      </div>
+    </div>
+
+    <!-- 聊天区域 -->
+    <div class="chat-area">
+      <div v-if="!selectedConversation" class="no-conversation">
+        <img src="/images/profile/message.png" alt="选择对话" class="placeholder-image" />
+        <p>选择一个对话开始聊天</p>
+      </div>
+      
+      <div v-else class="chat-container">
+        <!-- 聊天头部 -->
+        <div class="chat-header">
+          <div class="chat-user-info">
+            <img :src="selectedConversation.avatar" :alt="selectedConversation.name" class="chat-avatar" />
+            <div class="chat-user-details">
+              <div class="chat-user-name">{{ selectedConversation.name }}</div>
+              <div class="chat-user-status">{{ selectedConversation.isOnline ? '在线' : '离线' }}</div>
+            </div>
+          </div>
+          <div class="chat-actions">
+            <button class="chat-action-btn">
+              <img src="/images/profile/message.png" alt="视频通话" />
+            </button>
+            <button class="chat-action-btn">
+              <img src="/images/profile/message.png" alt="语音通话" />
+            </button>
+            <button class="chat-action-btn">
+              <img src="/images/profile/message.png" alt="更多" />
+            </button>
+          </div>
+        </div>
+
+        <!-- 消息列表 -->
+        <div class="messages-container" ref="messagesContainer">
+          <div v-for="message in selectedConversation.messages" :key="message.id" 
+               :class="['message-item', message.isSelf ? 'message-self' : 'message-other']">
+            <div v-if="!message.isSelf" class="message-avatar">
+              <img :src="selectedConversation.avatar" :alt="selectedConversation.name" />
+            </div>
+            <div class="message-content">
+              <div class="message-bubble">
+                <div v-if="message.type === 'text'" class="message-text">{{ message.content }}</div>
+                <div v-else-if="message.type === 'image'" class="message-image">
+                  <img :src="message.content" alt="图片" />
+                </div>
+                <div v-else-if="message.type === 'file'" class="message-file">
+                  <img src="/images/profile/message.png" alt="文件" />
+                  <span>{{ message.fileName }}</span>
+                </div>
+              </div>
+              <div class="message-time">{{ message.time }}</div>
+            </div>
+            <div v-if="message.isSelf" class="message-avatar">
+              <img src="/images/profile/profile.png" alt="我" />
+            </div>
+          </div>
+        </div>
+
+        <!-- 输入区域 -->
+        <div class="input-area">
+          <div class="input-toolbar">
+            <button class="toolbar-btn" @click="showEmojiPicker = !showEmojiPicker">
+              <img src="/images/profile/message.png" alt="表情" />
+            </button>
+            <button class="toolbar-btn" @click="selectFile">
+              <img src="/images/profile/message.png" alt="附件" />
+            </button>
+            <button class="toolbar-btn">
+              <img src="/images/profile/message.png" alt="图片" />
+            </button>
+          </div>
+          <div class="input-container">
+            <textarea 
+              v-model="messageInput" 
+              placeholder="输入消息..." 
+              @keydown.enter.prevent="sendMessage"
+              @input="adjustTextareaHeight"
+              ref="messageTextarea"
+              rows="1"
+            ></textarea>
+            <button class="send-btn" @click="sendMessage" :disabled="!messageInput.trim()">
+              发送
+            </button>
+          </div>
+        </div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ref, computed, nextTick, onMounted } from 'vue'
+
+// 消息类型
+interface Message {
+  id: number
+  type: 'text' | 'image' | 'file'
+  content: string
+  fileName?: string
+  time: string
+  isSelf: boolean
+}
+
+// 对话类型
+interface Conversation {
+  id: number
+  name: string
+  avatar: string
+  lastMessage: string
+  lastTime: string
+  unreadCount: number
+  isOnline: boolean
+  messages: Message[]
+}
+
+// 响应式数据
+const searchKeyword = ref('')
+const selectedConversation = ref<Conversation | null>(null)
+const messageInput = ref('')
+const showEmojiPicker = ref(false)
+const messagesContainer = ref<HTMLElement>()
+const messageTextarea = ref<HTMLTextAreaElement>()
+
+// 模拟对话数据
+const conversations = ref<Conversation[]>([
+  {
+    id: 1,
+    name: '张老师',
+    avatar: '/images/traings/traing1.png',
+    lastMessage: '好的，我知道了',
+    lastTime: '14:30',
+    unreadCount: 2,
+    isOnline: true,
+    messages: [
+      { id: 1, type: 'text', content: '你好，有什么问题吗？', time: '14:25', isSelf: false },
+      { id: 2, type: 'text', content: '我想问一下关于课程的问题', time: '14:26', isSelf: true },
+      { id: 3, type: 'text', content: '好的，请说', time: '14:27', isSelf: false },
+      { id: 4, type: 'text', content: '这个作业的截止时间是什么时候？', time: '14:28', isSelf: true },
+      { id: 5, type: 'text', content: '下周五晚上12点前提交', time: '14:29', isSelf: false },
+      { id: 6, type: 'text', content: '好的，我知道了', time: '14:30', isSelf: true }
+    ]
+  },
+  {
+    id: 2,
+    name: '李同学',
+    avatar: '/images/traings/traing2.png',
+    lastMessage: '谢谢你的帮助',
+    lastTime: '昨天',
+    unreadCount: 0,
+    isOnline: false,
+    messages: [
+      { id: 1, type: 'text', content: '能帮我看看这道题吗？', time: '昨天 16:20', isSelf: false },
+      { id: 2, type: 'text', content: '当然可以，发过来看看', time: '昨天 16:21', isSelf: true },
+      { id: 3, type: 'image', content: '/images/homework/question1.png', time: '昨天 16:22', isSelf: false },
+      { id: 4, type: 'text', content: '这道题需要用到递归的思想...', time: '昨天 16:25', isSelf: true },
+      { id: 5, type: 'text', content: '谢谢你的帮助', time: '昨天 16:30', isSelf: false }
+    ]
+  },
+  {
+    id: 3,
+    name: '王助教',
+    avatar: '/images/traings/traing3.png',
+    lastMessage: '课程资料已发送',
+    lastTime: '2天前',
+    unreadCount: 1,
+    isOnline: true,
+    messages: [
+      { id: 1, type: 'text', content: '你好，这是本周的课程资料', time: '2天前 10:00', isSelf: false },
+      { id: 2, type: 'file', content: '/files/course-material.pdf', fileName: '第三章课程资料.pdf', time: '2天前 10:01', isSelf: false },
+      { id: 3, type: 'text', content: '课程资料已发送', time: '2天前 10:02', isSelf: false }
+    ]
+  }
+])
+
+// 过滤对话
+const filteredConversations = computed(() => {
+  if (!searchKeyword.value) return conversations.value
+  return conversations.value.filter(conv => 
+    conv.name.toLowerCase().includes(searchKeyword.value.toLowerCase())
+  )
+})
+
+// 选择对话
+const selectConversation = (conversation: Conversation) => {
+  selectedConversation.value = conversation
+  // 清除未读消息
+  conversation.unreadCount = 0
+  // 滚动到底部
+  nextTick(() => {
+    scrollToBottom()
+  })
+}
+
+// 发送消息
+const sendMessage = () => {
+  if (!messageInput.value.trim() || !selectedConversation.value) return
+  
+  const newMessage: Message = {
+    id: Date.now(),
+    type: 'text',
+    content: messageInput.value.trim(),
+    time: new Date().toLocaleTimeString('zh-CN', { hour: '2-digit', minute: '2-digit' }),
+    isSelf: true
+  }
+  
+  selectedConversation.value.messages.push(newMessage)
+  selectedConversation.value.lastMessage = newMessage.content
+  selectedConversation.value.lastTime = newMessage.time
+  
+  messageInput.value = ''
+  
+  // 滚动到底部
+  nextTick(() => {
+    scrollToBottom()
+    resetTextareaHeight()
+  })
+}
+
+// 滚动到底部
+const scrollToBottom = () => {
+  if (messagesContainer.value) {
+    messagesContainer.value.scrollTop = messagesContainer.value.scrollHeight
+  }
+}
+
+// 调整文本框高度
+const adjustTextareaHeight = () => {
+  if (messageTextarea.value) {
+    messageTextarea.value.style.height = 'auto'
+    messageTextarea.value.style.height = Math.min(messageTextarea.value.scrollHeight, 120) + 'px'
+  }
+}
+
+// 重置文本框高度
+const resetTextareaHeight = () => {
+  if (messageTextarea.value) {
+    messageTextarea.value.style.height = 'auto'
+  }
+}
+
+// 选择文件
+const selectFile = () => {
+  // 这里可以实现文件选择逻辑
+  console.log('选择文件')
+}
+
+// 组件挂载时默认选择第一个对话
+onMounted(() => {
+  if (conversations.value.length > 0) {
+    selectConversation(conversations.value[0])
+  }
+})
+</script>
+
+<style scoped>
+.instant-message-container {
+  display: flex;
+  height: 600px;
+  border: 1px solid #e6e6e6;
+  border-radius: 8px;
+  overflow: hidden;
+}
+
+/* 对话列表样式 */
+.conversation-list {
+  width: 300px;
+  border-right: 1px solid #e6e6e6;
+  display: flex;
+  flex-direction: column;
+}
+
+.conversation-header {
+  padding: 16px;
+  border-bottom: 1px solid #e6e6e6;
+}
+
+.conversation-header h3 {
+  margin: 0 0 12px 0;
+  font-size: 16px;
+  font-weight: 600;
+}
+
+.search-box {
+  position: relative;
+}
+
+.search-box input {
+  width: 100%;
+  padding: 8px 32px 8px 12px;
+  border: 1px solid #d9d9d9;
+  border-radius: 6px;
+  font-size: 14px;
+}
+
+.search-icon {
+  position: absolute;
+  right: 8px;
+  top: 50%;
+  transform: translateY(-50%);
+  width: 16px;
+  height: 16px;
+}
+
+.conversation-items {
+  flex: 1;
+  overflow-y: auto;
+}
+
+.conversation-item {
+  display: flex;
+  align-items: center;
+  padding: 12px 16px;
+  cursor: pointer;
+  border-bottom: 1px solid #f0f0f0;
+  transition: background-color 0.2s;
+}
+
+.conversation-item:hover {
+  background-color: #f5f5f5;
+}
+
+.conversation-item.active {
+  background-color: #e6f7ff;
+}
+
+.avatar-container {
+  position: relative;
+  margin-right: 12px;
+}
+
+.conversation-avatar {
+  width: 40px;
+  height: 40px;
+  border-radius: 50%;
+  object-fit: cover;
+}
+
+.unread-badge {
+  position: absolute;
+  top: -4px;
+  right: -4px;
+  background: #ff4d4f;
+  color: white;
+  font-size: 12px;
+  padding: 2px 6px;
+  border-radius: 10px;
+  min-width: 16px;
+  text-align: center;
+}
+
+.conversation-info {
+  flex: 1;
+  min-width: 0;
+}
+
+.conversation-name {
+  font-size: 14px;
+  font-weight: 500;
+  margin-bottom: 4px;
+}
+
+.last-message {
+  font-size: 12px;
+  color: #666;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.conversation-meta {
+  display: flex;
+  flex-direction: column;
+  align-items: flex-end;
+  gap: 4px;
+}
+
+.last-time {
+  font-size: 12px;
+  color: #999;
+}
+
+.online-indicator {
+  width: 8px;
+  height: 8px;
+  background: #52c41a;
+  border-radius: 50%;
+}
+
+/* 聊天区域样式 */
+.chat-area {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+}
+
+.no-conversation {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  color: #999;
+}
+
+.placeholder-image {
+  width: 120px;
+  height: 120px;
+  margin-bottom: 16px;
+  opacity: 0.5;
+}
+
+.chat-container {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+}
+
+.chat-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 16px;
+  border-bottom: 1px solid #e6e6e6;
+}
+
+.chat-user-info {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+}
+
+.chat-avatar {
+  width: 40px;
+  height: 40px;
+  border-radius: 50%;
+  object-fit: cover;
+}
+
+.chat-user-name {
+  font-size: 16px;
+  font-weight: 500;
+}
+
+.chat-user-status {
+  font-size: 12px;
+  color: #52c41a;
+}
+
+.chat-actions {
+  display: flex;
+  gap: 8px;
+}
+
+.chat-action-btn {
+  width: 32px;
+  height: 32px;
+  border: none;
+  background: none;
+  cursor: pointer;
+  border-radius: 4px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.chat-action-btn:hover {
+  background-color: #f5f5f5;
+}
+
+.chat-action-btn img {
+  width: 20px;
+  height: 20px;
+}
+
+.messages-container {
+  flex: 1;
+  overflow-y: auto;
+  padding: 16px;
+  display: flex;
+  flex-direction: column;
+  gap: 16px;
+}
+
+.message-item {
+  display: flex;
+  gap: 8px;
+}
+
+.message-item.message-self {
+  flex-direction: row-reverse;
+}
+
+.message-avatar img {
+  width: 32px;
+  height: 32px;
+  border-radius: 50%;
+  object-fit: cover;
+}
+
+.message-content {
+  max-width: 60%;
+}
+
+.message-self .message-content {
+  display: flex;
+  flex-direction: column;
+  align-items: flex-end;
+}
+
+.message-bubble {
+  padding: 8px 12px;
+  border-radius: 12px;
+  word-wrap: break-word;
+}
+
+.message-other .message-bubble {
+  background-color: #f0f0f0;
+  border-bottom-left-radius: 4px;
+}
+
+.message-self .message-bubble {
+  background-color: #1890ff;
+  color: white;
+  border-bottom-right-radius: 4px;
+}
+
+.message-text {
+  line-height: 1.4;
+}
+
+.message-image img {
+  max-width: 200px;
+  border-radius: 8px;
+}
+
+.message-file {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+
+.message-file img {
+  width: 24px;
+  height: 24px;
+}
+
+.message-time {
+  font-size: 12px;
+  color: #999;
+  margin-top: 4px;
+}
+
+.input-area {
+  border-top: 1px solid #e6e6e6;
+  padding: 16px;
+}
+
+.input-toolbar {
+  display: flex;
+  gap: 8px;
+  margin-bottom: 8px;
+}
+
+.toolbar-btn {
+  width: 32px;
+  height: 32px;
+  border: none;
+  background: none;
+  cursor: pointer;
+  border-radius: 4px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.toolbar-btn:hover {
+  background-color: #f5f5f5;
+}
+
+.toolbar-btn img {
+  width: 20px;
+  height: 20px;
+}
+
+.input-container {
+  display: flex;
+  gap: 8px;
+  align-items: flex-end;
+}
+
+.input-container textarea {
+  flex: 1;
+  padding: 8px 12px;
+  border: 1px solid #d9d9d9;
+  border-radius: 6px;
+  resize: none;
+  font-family: inherit;
+  font-size: 14px;
+  line-height: 1.4;
+  min-height: 36px;
+  max-height: 120px;
+}
+
+.send-btn {
+  padding: 8px 16px;
+  background-color: #1890ff;
+  color: white;
+  border: none;
+  border-radius: 6px;
+  cursor: pointer;
+  font-size: 14px;
+  height: 36px;
+}
+
+.send-btn:disabled {
+  background-color: #d9d9d9;
+  cursor: not-allowed;
+}
+
+.send-btn:not(:disabled):hover {
+  background-color: #40a9ff;
+}
+</style>
diff --git a/src/router/index.ts b/src/router/index.ts
index ba3ca80..dce623e 100644
--- a/src/router/index.ts
+++ b/src/router/index.ts
@@ -36,7 +36,6 @@ import PersonalCenter from '@/components/admin/PersonalCenter.vue'
 import CourseManagement from '@/components/admin/CourseManagement.vue'
 import MyResources from '@/components/admin/MyResources.vue'
 import StudentManagement from '@/components/admin/StudentManagement.vue'
-import MessageCenter from '@/views/teacher/message/MessageCenter.vue'
 
 // 课程管理子组件
 import CourseCategory from '@/components/admin/CourseComponents/CourseCategory.vue'
@@ -83,7 +82,6 @@ import StudentList from '@/views/teacher/ExamPages/StudentList.vue'
 import GradingPage from '@/views/teacher/ExamPages/GradingPage.vue'
 import ExamTaking from '@/views/teacher/ExamPages/ExamTaking.vue'
 import ExamNoticeBeforeStart from '@/views/teacher/ExamPages/ExamNoticeBeforeStart.vue'
-import ExamAnalysis from '@/views/teacher/ExamPages/ExamAnalysis.vue'
 
 import ChapterEditor from '@/views/teacher/course/ChapterEditor.vue'
 
@@ -311,12 +309,6 @@ const routes: RouteRecordRaw[] = [
         component: MyResources,
         meta: { title: '我的资源' }
       },
-      {
-        path: 'message-center',
-        name: 'MessageCenter',
-        component: MessageCenter,
-        meta: { title: '消息中心' }
-      },
       {
         path: 'student-management',
         name: 'StudentManagement',
@@ -387,12 +379,6 @@ const routes: RouteRecordRaw[] = [
             component: ExamLibrary,
             meta: { title: '试卷管理' }
           },
-          {
-            path: 'exam-analysis',
-            name: 'ExamAnalysis',
-            component: ExamAnalysis,
-            meta: { title: '试卷分析' }
-          },
           {
             path: 'marking-center',
             name: 'MarkingCenter',
diff --git a/src/views/AICompanion.vue b/src/views/AICompanion.vue
index bbb725c..65c00ac 100644
--- a/src/views/AICompanion.vue
+++ b/src/views/AICompanion.vue
@@ -29,14 +29,14 @@
                 <div class="banner-content">
                   <div class="banner-text">
                     <span class="main-text">暑期名师领学,提高班级教学质量!高效冲分指南</span>
-                    <div class="ai-companion-tag">
+                    <div v-if="(course as any)?.izAi === 1" class="ai-companion-tag">
                       <img src="/images/aiCompanion/AI伴学标签@2x.png" alt="AI伴学" class="tag-image">
                     </div>
                   </div>
-                  <div class="banner-button">
+                  <!-- <div class="banner-button">
                     <img src="/images/aiCompanion/切换@2x.png" alt="切换" class="button-icon-image">
                     <span class="button-text">普通</span>
-                  </div>
+                  </div> -->
                 </div>
               </div>
 
diff --git a/src/views/CourseExchanged.vue b/src/views/CourseExchanged.vue
index 56213bd..32932ed 100644
--- a/src/views/CourseExchanged.vue
+++ b/src/views/CourseExchanged.vue
@@ -36,7 +36,7 @@
                 <div class="banner-content">
                   <div class="banner-text">
                     <span class="main-text">暑期名师领学,提高班级教学质量!高效冲分指南</span>
-                    <div class="ai-companion-tag">
+                    <div v-if="(course as any)?.izAi === 1" class="ai-companion-tag">
                       <img src="/images/aiCompanion/AI伴学标签@2x.png" alt="AI伴学" class="tag-image">
                     </div>
                   </div>
diff --git a/src/views/Profile.vue b/src/views/Profile.vue
index 92720aa..bcc1234 100644
--- a/src/views/Profile.vue
+++ b/src/views/Profile.vue
@@ -719,11 +719,21 @@
           <!-- 消息筛选标签 -->
           <div class="message-header">
             <div class="message-tabs">
-              <span class="message-tab-item" :class="{ active: activeMessageTab === 'all' }"
-                @click="handleMessageTabChange('all')">
-                评论
+              <span class="message-tab-item" :class="{ active: activeMessageTab === 'instant' }"
+                @click="handleMessageTabChange('instant')">
+                即时消息
+                <span class="message-count">2</span>
+              </span>
+              <span class="message-tab-item" :class="{ active: activeMessageTab === 'comment' }"
+                @click="handleMessageTabChange('comment')">
+                评论和@
                 <span class="message-count">3</span>
               </span>
+              <span class="message-tab-item" :class="{ active: activeMessageTab === 'like' }"
+                @click="handleMessageTabChange('like')">
+                点赞
+                <span class="message-count">5</span>
+              </span>
               <span class="message-tab-item" :class="{ active: activeMessageTab === 'system' }"
                 @click="handleMessageTabChange('system')">
                 系统消息
@@ -743,8 +753,13 @@
 
           <!-- 消息列表 -->
           <div class="message-list">
-            <!-- 普通消息 -->
-            <div v-for="msg in filteredMessages" :key="msg.id" class="message-item">
+            <!-- 即时消息 -->
+            <div v-if="activeMessageTab === 'instant'" class="instant-message-container">
+              <InstantMessage />
+            </div>
+
+            <!-- 评论和@消息 -->
+            <div v-else-if="activeMessageTab === 'comment'" v-for="msg in filteredMessages" :key="msg.id" class="message-item">
               <!-- 未读标识 - 移到右上角 -->
               <div v-if="!msg.isRead" class="unread-indicator-top-right"></div>
 
@@ -801,8 +816,35 @@
               </div>
             </div>
 
+            <!-- 点赞消息 -->
+            <div v-else-if="activeMessageTab === 'like'" v-for="like in filteredLikeMessages" :key="'like-' + like.id" class="like-message-item">
+              <!-- 未读标识 -->
+              <div v-if="!like.isRead" class="unread-indicator-top-right"></div>
+
+              <!-- 点赞消息内容 -->
+              <div class="like-message-main">
+                <div class="like-message-user">
+                  <img :src="like.userAvatar" class="image_22" />
+                  <div class="like-info">
+                    <div class="like-content">
+                      <span class="message-text">{{ like.userName }}</span>
+                      <span class="message-text">赞了我的{{ like.type === 'comment' ? '评论' : '课程' }}</span>
+                    </div>
+                    <div class="course-info-container" v-if="like.courseName">
+                      <span class="course-label">在课程：</span>
+                      <span class="course-name">《{{ like.courseName }}》</span>
+                    </div>
+                    <div class="like-content-preview" v-if="like.content">
+                      <span class="content-preview">{{ like.content }}</span>
+                    </div>
+                  </div>
+                  <div class="message-time">{{ like.date }}</div>
+                </div>
+              </div>
+            </div>
+
             <!-- 系统消息 -->
-            <div v-for="sysMsg in filteredSystemMessages" :key="'sys-' + sysMsg.id" class="system-message-item">
+            <div v-else-if="activeMessageTab === 'system'" v-for="sysMsg in filteredSystemMessages" :key="'sys-' + sysMsg.id" class="system-message-item">
               <!-- 未读标识 - 移到右上角 -->
               <!-- <div v-if="!sysMsg.isRead" class="unread-indicator-top-right"></div> -->
 
@@ -1074,6 +1116,7 @@ import { useI18n } from 'vue-i18n'
 import { useUserStore } from '@/stores/user'
 import SafeAvatar from '@/components/common/SafeAvatar.vue'
 import QuillEditor from '@/components/common/QuillEditor.vue'
+import InstantMessage from '@/components/InstantMessage.vue'
 import { useRouter, useRoute } from 'vue-router'
 
 const { t, locale } = useI18n()
@@ -1228,6 +1271,18 @@ interface SystemMessage {
   isRead: boolean
 }
 
+// 点赞消息接口
+interface LikeMessage {
+  id: number
+  userName: string
+  userAvatar: string
+  type: 'comment' | 'course'
+  courseName?: string
+  content?: string
+  date: string
+  isRead: boolean
+}
+
 
 
 const message = useMessage()
@@ -1255,7 +1310,7 @@ const activeActivityTab = ref('all')
 const activeFollowsTab = ref('all')
 
 // 消息相关状态
-const activeMessageTab = ref('all')
+const activeMessageTab = ref('instant')
 const replyingMessageId = ref<number | null>(null)
 const replyContent = ref('')
 
@@ -2074,6 +2129,60 @@ const mockSystemMessages: SystemMessage[] = [
   }
 ]
 
+// 模拟点赞消息数据
+const mockLikeMessages: LikeMessage[] = [
+  {
+    id: 1,
+    userName: '张同学',
+    userAvatar: '/images/traings/traing1.png',
+    type: 'comment',
+    courseName: 'Python语言基础与应用',
+    content: '这个课程讲得很好，老师很专业',
+    date: '7月21日 14:30',
+    isRead: false
+  },
+  {
+    id: 2,
+    userName: '李老师',
+    userAvatar: '/images/traings/traing2.png',
+    type: 'course',
+    courseName: 'Java程序设计',
+    content: '',
+    date: '7月21日 10:15',
+    isRead: false
+  },
+  {
+    id: 3,
+    userName: '王同学',
+    userAvatar: '/images/traings/traing3.png',
+    type: 'comment',
+    courseName: 'C语言程序设计',
+    content: '感谢老师的耐心解答',
+    date: '7月20日 16:45',
+    isRead: true
+  },
+  {
+    id: 4,
+    userName: '刘同学',
+    userAvatar: '/images/traings/traing1.png',
+    type: 'comment',
+    courseName: 'JavaScript基础',
+    content: '这个例子很实用',
+    date: '7月20日 09:20',
+    isRead: true
+  },
+  {
+    id: 5,
+    userName: '陈老师',
+    userAvatar: '/images/traings/traing2.png',
+    type: 'course',
+    courseName: 'HTML5与CSS3',
+    content: '',
+    date: '7月19日 18:30',
+    isRead: true
+  }
+]
+
 // 模拟练习详情数据
 // const mockPracticeDetails: { [key: number]: PracticeDetail } = {
 //   2: {
@@ -2593,14 +2702,10 @@ const sendReply = (messageId: number) => {
 
 // 获取筛选后的消息
 const filteredMessages = computed(() => {
-  if (activeMessageTab.value === 'system') {
-    return [] // 系统消息单独处理
-  } else if (activeMessageTab.value === 'unread') {
-    return mockMessages.filter(msg => !msg.isRead)
-  } else if (activeMessageTab.value === 'read') {
-    return mockMessages.filter(msg => msg.isRead)
+  if (activeMessageTab.value === 'comment') {
+    return mockMessages
   }
-  return mockMessages
+  return []
 })
 
 // 获取筛选后的系统消息
@@ -2611,6 +2716,14 @@ const filteredSystemMessages = computed(() => {
   return []
 })
 
+// 获取筛选后的点赞消息
+const filteredLikeMessages = computed(() => {
+  if (activeMessageTab.value === 'like') {
+    return mockLikeMessages
+  }
+  return []
+})
+
 // 获取标签标题
 const getTabTitle = (tab: TabType) => {
   const titles: Record<TabType, string> = {
@@ -6389,6 +6502,55 @@ onActivated(() => {
   /* 微调垂直位置 */
 }
 
+/* 点赞消息样式 */
+.like-message-item {
+  position: relative;
+  background: white;
+  border: 1px solid #D8D8D8;
+  transition: border-color 0.3s ease;
+}
+
+.like-message-item:hover {
+  border-color: #1890ff;
+}
+
+.like-message-main {
+  padding: 1.04vh 1.04vw;
+}
+
+.like-message-user {
+  display: flex;
+  align-items: flex-start;
+  gap: 0.73vw;
+  margin-bottom: 0.73vh;
+}
+
+.like-info {
+  flex: 1;
+  min-width: 0;
+}
+
+.like-content {
+  display: flex;
+  align-items: center;
+  gap: 0.26vw;
+  margin-bottom: 0.52vh;
+}
+
+.like-content-preview {
+  margin-top: 0.52vh;
+  padding: 0.52vh 0.73vw;
+  background-color: #f5f5f5;
+  border-radius: 4px;
+  border-left: 3px solid #1890ff;
+}
+
+.content-preview {
+  font-size: 0.73vw;
+  color: #666;
+  font-style: italic;
+}
+
 /* 系统消息样式 */
 .system-message-item {
   position: relative;
diff --git a/src/views/teacher/ExamPages/AddQuestion.vue b/src/views/teacher/ExamPages/AddQuestion.vue
index ce34cf8..3cea5c4 100644
--- a/src/views/teacher/ExamPages/AddQuestion.vue
+++ b/src/views/teacher/ExamPages/AddQuestion.vue
@@ -548,6 +548,7 @@ const createNewQuestion = async (bankId: string) => {
 };
 
 
+
 // 验证答案设置
 const validateAnswers = (): boolean => {
     console.log(questionForm);
@@ -563,7 +564,7 @@ const validateAnswers = (): boolean => {
                 message.error('单选题至少需要2个选项');
                 return false;
             }
-            if (questionForm.options.some((option: any) => !option.content.trim())) {
+            if (questionForm.options.some(option => !option.content.trim())) {
                 message.error('请填写所有选项的内容');
                 return false;
             }
@@ -578,7 +579,7 @@ const validateAnswers = (): boolean => {
                 message.error('多选题至少需要2个选项');
                 return false;
             }
-            if (questionForm.options.some((option: any) => !option.content.trim())) {
+            if (questionForm.options.some(option => !option.content.trim())) {
                 message.error('请填写所有选项的内容');
                 return false;
             }
@@ -594,7 +595,7 @@ const validateAnswers = (): boolean => {
             }
             break;
         case 'fill_blank':
-            if (questionForm.fillBlankAnswers.length === 0 || questionForm.fillBlankAnswers.every((answer: any) => !answer.content.trim())) {
+            if (questionForm.fillBlankAnswers.length === 0 || questionForm.fillBlankAnswers.every(answer => !answer.content.trim())) {
                 message.error('请设置填空题的参考答案');
                 return false;
             }
diff --git a/src/views/teacher/ExamPages/QuestionManagement.vue b/src/views/teacher/ExamPages/QuestionManagement.vue
index 3014517..ca5620f 100644
--- a/src/views/teacher/ExamPages/QuestionManagement.vue
+++ b/src/views/teacher/ExamPages/QuestionManagement.vue
@@ -3,61 +3,94 @@
         <div class="breadcrumb-section">
             <n-breadcrumb>
                 <n-breadcrumb-item @click="goToQuestionBank">
-                    <n-icon>
-                        <ChevronBackOutline />
-                    </n-icon>
+                    <n-icon><ChevronBackOutline /></n-icon>
                     题库管理
                 </n-breadcrumb-item>
                 <n-breadcrumb-item>{{ currentBankTitle }}</n-breadcrumb-item>
             </n-breadcrumb>
         </div>
-
+        
         <div class="header-section">
             <h1 class="title">{{ currentBankTitle }}</h1>
             <n-space class="actions-group">
                 <n-button type="primary" @click="addQuestion">添加试题</n-button>
                 <n-button ghost @click="importQuestions">导入</n-button>
                 <n-button ghost @click="exportQuestions">导出</n-button>
-                <n-button type="error" ghost @click="deleteSelected"
-                    :disabled="selectedRowKeys.length === 0">删除</n-button>
+                <n-button type="error" ghost @click="deleteSelected" :disabled="selectedRowKeys.length === 0">删除</n-button>
                 <n-button @click="setCategoryForSelected" :disabled="selectedRowKeys.length === 0">分类设置</n-button>
-                <n-select v-model:value="filters.category" placeholder="分类"
-                    :options="[{ label: '全部', value: '' }, ...allCategoryOptions]" style="width: 120px"
-                    @update:value="handleFilterChange" />
-                <n-input v-model:value="filters.keyword" placeholder="请输入想要搜索的内容" style="width: 200px" clearable />
+                <n-select
+                    v-model:value="filters.category"
+                    placeholder="分类"
+                    :options="[{ label: '全部', value: '' }, ...allCategoryOptions]"
+                    style="width: 120px"
+                    @update:value="handleFilterChange"
+                />
+                <n-input
+                    v-model:value="filters.keyword"
+                    placeholder="请输入想要搜索的内容"
+                    style="width: 200px"
+                    clearable
+                />
                 <n-button type="primary" @click="searchQuestions">搜索</n-button>
             </n-space>
         </div>
 
-        <n-data-table ref="tableRef" :columns="columns" :data="questionList" :loading="loading"
-            :pagination="paginationConfig" :row-key="(row: any) => row.id" :checked-row-keys="selectedRowKeys"
-            @update:checked-row-keys="handleCheck" class="question-table" :single-line="false" />
+        <n-data-table
+            ref="tableRef"
+            :columns="columns"
+            :data="questionList"
+            :loading="loading"
+            :pagination="paginationConfig"
+            :row-key="(row: Question) => row.id"
+            :checked-row-keys="selectedRowKeys"
+            @update:checked-row-keys="handleCheck"
+            class="question-table"
+            :single-line="false"
+        />
 
         <!-- 导入弹窗 -->
-        <ImportModal v-model:show="showImportModal" template-name="question_template.xlsx" import-type="question"
-            @success="handleImportSuccess" @template-download="handleTemplateDownload" />
+        <ImportModal 
+            v-model:show="showImportModal"
+            template-name="question_template.xlsx"
+            import-type="question"
+            @success="handleImportSuccess"
+            @template-download="handleTemplateDownload"
+        />
 
         <!-- 分类设置弹窗 -->
-        <n-modal v-model:show="showCategoryModal" preset="dialog" title="分类设置" style="width: 500px;">
+        <n-modal 
+            v-model:show="showCategoryModal" 
+            preset="dialog" 
+            title="分类设置" 
+            style="width: 500px;"
+        >
             <div class="category-modal-content">
                 <div class="selected-info">
                     <n-alert type="info" :show-icon="false" style="margin-bottom: 16px;">
                         已选择 {{ selectedRowKeys.length }} 个试题
                     </n-alert>
                 </div>
-
+                
                 <div class="category-selection">
                     <div class="form-item">
                         <label>选择分类：</label>
-                        <n-select v-model:value="selectedCategory" :options="allCategoryOptions" placeholder="请选择分类"
-                            style="width: 100%;" />
+                        <n-select
+                            v-model:value="selectedCategory"
+                            :options="allCategoryOptions"
+                            placeholder="请选择分类"
+                            style="width: 100%;"
+                        />
                     </div>
-
+                    
                     <div v-if="showAddCategoryInput" class="form-item">
                         <label>新分类名称：</label>
                         <n-space>
-                            <n-input v-model:value="newCategoryName" placeholder="请输入新分类名称" style="width: 200px;"
-                                @keyup.enter="addNewCategory" />
+                            <n-input
+                                v-model:value="newCategoryName"
+                                placeholder="请输入新分类名称"
+                                style="width: 200px;"
+                                @keyup.enter="addNewCategory"
+                            />
                             <n-button type="primary" @click="addNewCategory" :disabled="!newCategoryName.trim()">
                                 添加
                             </n-button>
@@ -65,7 +98,7 @@
                     </div>
                 </div>
             </div>
-
+            
             <template #action>
                 <n-space>
                     <n-button @click="showAddCategoryInput = !showAddCategoryInput" secondary type="info">
@@ -80,7 +113,12 @@
         </n-modal>
 
         <!-- 分类管理弹窗 -->
-        <n-modal v-model:show="showCategoryManageModal" preset="dialog" title="分类管理" style="width: 600px;">
+        <n-modal 
+            v-model:show="showCategoryManageModal" 
+            preset="dialog" 
+            title="分类管理" 
+            style="width: 600px;"
+        >
             <div class="category-manage-content">
                 <div class="category-header">
                     <n-space>
@@ -89,11 +127,15 @@
                         </n-button>
                     </n-space>
                 </div>
-
+                
                 <div v-if="showAddCategoryInManage" class="add-category-section">
                     <n-space>
-                        <n-input v-model:value="newCategoryInManage" placeholder="请输入分类名称" style="width: 200px;"
-                            @keyup.enter="addCategoryInManage" />
+                        <n-input
+                            v-model:value="newCategoryInManage"
+                            placeholder="请输入分类名称"
+                            style="width: 200px;"
+                            @keyup.enter="addCategoryInManage"
+                        />
                         <n-button type="primary" @click="addCategoryInManage" :disabled="!newCategoryInManage.trim()">
                             添加
                         </n-button>
@@ -102,7 +144,7 @@
                         </n-button>
                     </n-space>
                 </div>
-
+                
                 <div class="category-list">
                     <n-list>
                         <n-list-item v-for="category in customCategories" :key="category.value">
@@ -121,7 +163,7 @@
                     </n-list>
                 </div>
             </div>
-
+            
             <template #action>
                 <n-space>
                     <n-button @click="closeCategoryManageModal">关闭</n-button>
@@ -168,8 +210,8 @@ interface Question {
     score: number;
     creator: string;
     createTime: string;
-    parentId?: string; // 添加可选的 parentId 字段
-    analysis?: string; // 添加可选的 analysis 字段
+    parentId?: string; // 父题目ID，用于复合题
+    analysis?: string; // 题目解析
 }
 
 // 筛选条件
@@ -293,7 +335,7 @@ const createColumns = ({
             width: 100,
             align: 'center' as const,
             render(row: Question) {
-                const categoryInfo = allCategoryOptions.value.find((cat: any) => cat.value === row.category);
+                const categoryInfo = allCategoryOptions.value.find(cat => cat.value === row.category);
                 return categoryInfo ? categoryInfo.label : row.category;
             }
         },
@@ -337,27 +379,27 @@ const createColumns = ({
             align: 'center' as const,
             render(row: Question) {
                 const buttons: VNode[] = [];
-
+                
                 buttons.push(
-                    h(NButton, {
-                        size: 'small',
-                        type: 'primary',
-                        ghost: true,
-                        style: 'margin: 0 3px;',
-                        onClick: () => handleAction('编辑', row)
+                    h(NButton, { 
+                        size: 'small', 
+                        type: 'primary', 
+                        ghost: true, 
+                        style: 'margin: 0 3px;', 
+                        onClick: () => handleAction('编辑', row) 
                     }, { default: () => '编辑' })
                 );
-
+                
                 buttons.push(
-                    h(NButton, {
-                        size: 'small',
-                        type: 'error',
-                        ghost: true,
-                        style: 'margin: 0 3px;',
-                        onClick: () => handleAction('删除', row)
+                    h(NButton, { 
+                        size: 'small', 
+                        type: 'error', 
+                        ghost: true, 
+                        style: 'margin: 0 3px;', 
+                        onClick: () => handleAction('删除', row) 
                     }, { default: () => '删除' })
                 );
-
+                
                 return h(NSpace, {}, { default: () => buttons });
             }
         }
@@ -380,7 +422,7 @@ const generateMockData = (): Question[] => {
     const mockData: Question[] = [];
     const types = ['single_choice', 'multiple_choice', 'true_false', 'fill_blank', 'short_answer'];
     const difficulties = ['easy', 'medium', 'hard'];
-    const categories = customCategories.value.map((cat: any) => cat.value);
+    const categories = customCategories.value.map(cat => cat.value);
     const creators = ['王建国', '李明', '张三', '刘老师'];
     
     for (let i = 1; i <= 50; i++) {
@@ -452,9 +494,10 @@ const loadQuestions = async () => {
         let allData: Question[] = [];
 
         // 处理API响应数据
-        if (response.data && typeof response.data === 'object' && 'code' in response.data && (response.data.code === 200 || response.data.code === 0) && 'result' in response.data && response.data.result && Array.isArray(response.data.result)) {
+        const apiResponse = response.data as any;
+        if (apiResponse && (apiResponse.code === 200 || apiResponse.code === 0) && apiResponse.result) {
             // 将API返回的数据转换为前端格式
-            allData = response.data.result.map((item: any, index: number) => ({
+            allData = apiResponse.result.map((item: any, index: number) => ({
                 id: item.id || `question_${index}`,
                 sequence: index + 1,
                 title: item.content || '题目内容',
@@ -706,7 +749,7 @@ const addNewCategory = () => {
     }
     
     // 检查是否已存在
-    const exists = customCategories.value.some((cat: any) => cat.label === trimmedName);
+    const exists = customCategories.value.some(cat => cat.label === trimmedName);
     if (exists) {
         message.warning('该分类已存在');
         return;
@@ -735,8 +778,8 @@ const applyCategoryChange = async () => {
         await new Promise(resolve => setTimeout(resolve, 300));
         
         // 更新本地数据
-        const selectedCategoryLabel = allCategoryOptions.value.find((cat: any) => cat.value === selectedCategory.value)?.label || selectedCategory.value;
-        questionList.value.forEach((question: any) => {
+        const selectedCategoryLabel = allCategoryOptions.value.find(cat => cat.value === selectedCategory.value)?.label || selectedCategory.value;
+        questionList.value.forEach(question => {
             if (selectedRowKeys.value.includes(question.id)) {
                 question.category = selectedCategory.value;
             }
@@ -771,7 +814,7 @@ const addCategoryInManage = () => {
     }
     
     // 检查是否已存在
-    const exists = customCategories.value.some((cat: any) => cat.label === trimmedName);
+    const exists = customCategories.value.some(cat => cat.label === trimmedName);
     if (exists) {
         message.warning('该分类已存在');
         return;
@@ -801,13 +844,13 @@ const editCategory = (category: { label: string; value: string }) => {
 
 const deleteCategory = (categoryValue: string) => {
     // 检查是否有试题使用该分类
-    const hasQuestions = questionList.value.some((q: any) => q.category === categoryValue);
+    const hasQuestions = questionList.value.some(q => q.category === categoryValue);
     if (hasQuestions) {
         message.warning('该分类下还有试题，不能删除');
         return;
     }
     
-    const index = customCategories.value.findIndex((cat: any) => cat.value === categoryValue);
+    const index = customCategories.value.findIndex(cat => cat.value === categoryValue);
     if (index > -1) {
         const categoryName = customCategories.value[index].label;
         customCategories.value.splice(index, 1);