diff --git a/src/components/admin/CourseComponents/CourseCategory.vue b/src/components/admin/CourseComponents/CourseCategory.vue
index daae8d2..a96f490 100644
--- a/src/components/admin/CourseComponents/CourseCategory.vue
+++ b/src/components/admin/CourseComponents/CourseCategory.vue
@@ -2,23 +2,21 @@
   <div class="course-category">
     <!-- 顶部 -->
     <div class="top">
-      <div class="nav-links">
-        <a href="" class="active">进行中</a>
-        <a href="">已结束</a>
-        <a href="">草稿箱</a>
-      </div>
+      <n-tabs v-model:value="activeTab"  size="large">
+        <n-tab-pane name="ongoing" tab="进行中" />
+        <n-tab-pane name="finished" tab="已结束" />
+        <n-tab-pane name="draft" tab="草稿箱" />
+      </n-tabs>
 
       <div class="actions">
-        <button class="create-btn" @click="navigateToCreateCourse">创建课程</button>
+        <n-button type="primary" @click="navigateToCreateCourse">创建课程</n-button>
         <div class="search-container">
-          <input type="text" placeholder="请输入想要搜索的内容">
-          <button class="search-btn">搜索</button>
+          <n-input v-model:value="searchValue" type="text" placeholder="请输入想要搜索的内容" />
+          <n-button type="primary" class="search-btn">搜索</n-button>
         </div>
       </div>
-
     </div>
 
-
     <!-- 主体 -->
     <div class="course-container">
       <div class="course-grid">
@@ -26,23 +24,21 @@
           <div class="course-image-container">
             <div class="section-title" :class="{ 'offline': course.status === '下架中' }">{{ course.status }}
             </div>
-            <div class="more-options">
-              <span class="more-icon">⋮</span>
-              <div class="options-menu">
-                <template v-if="course.status === '发布中'">
-                  <a href="#" class="option-item"><img src="/images/teacher/下架.png" alt="">下架</a>
-                  <a href="javascript:void(0)" class="option-item"><img src="/images/teacher/小编辑.png" alt="">编辑</a>
-                  <a href="#" class="option-item"><img src="/images/teacher/移动.png" alt="">移动</a>
-                  <a href="#" class="option-item"><img src="/images/teacher/删除.png" alt="">删除</a>
-                </template>
-                <template v-else-if="course.status === '下架中'">
-                  <a href="#" class="option-item"><img src="/images/teacher/加号.png" alt="">发布</a>
-                  <a href="javascript:void(0)" class="option-item"><img src="/images/teacher/小编辑.png" alt="">编辑</a>
-                  <a href="#" class="option-item"><img src="/images/teacher/移动.png" alt="">移动</a>
-                  <a href="#" class="option-item"><img src="/images/teacher/删除.png" alt="">删除</a>
-                </template>
+            <n-popselect 
+              :options="getOptionsForCourse(course)"
+              trigger="hover"
+              placement="bottom-end"
+              :render-label="renderOptionLabel"
+              @update:value="(value: string) => handleOptionSelect(value, course)"
+            >
+              <div class="more-options">
+                <span class="more-icon">
+                  <n-icon size="20">
+                    <EllipsisVerticalSharp />
+                  </n-icon>
+                </span>
               </div>
-            </div>
+            </n-popselect>
           </div>
           <div class="course-info" @click="router.push(`/teacher/course-editor/${course.id}`)" style="cursor: pointer;">
             <img :src="course.image" alt="">
@@ -76,32 +72,196 @@
 </template>
 
 <script setup lang="ts">
-import { ref } from 'vue';
+import { ref, h } from 'vue';
 import { useRouter } from 'vue-router';
+import { EllipsisVerticalSharp } from '@vicons/ionicons5';
+import { useMessage, useDialog } from 'naive-ui';
 
 const router = useRouter();
+const message = useMessage();
+const dialog = useDialog();
 
 // 模拟课程数据
 const courseList = ref([
-  { id: 1, name: '前端开发基础课程', status: '发布中', image: '/images/teacher/fj.png' },
-  { id: 2, name: 'Vue.js 实战教程', status: '发布中', image: '/images/teacher/fj.png' },
-  { id: 3, name: 'React 入门到精通', status: '发布中', image: '/images/teacher/fj.png' },
-  { id: 4, name: 'Node.js 后端开发', status: '下架中', image: '/images/teacher/fj.png' },
-  { id: 5, name: 'TypeScript 高级教程', status: '发布中', image: '/images/teacher/fj.png' },
-  { id: 6, name: 'JavaScript 设计模式', status: '发布中', image: '/images/teacher/fj.png' },
-  { id: 7, name: 'CSS 动画与特效', status: '下架中', image: '/images/teacher/fj.png' },
-  { id: 8, name: 'HTML5 新特性详解', status: '发布中', image: '/images/teacher/fj.png' },
-  { id: 9, name: 'Web 性能优化指南', status: '发布中', image: '/images/teacher/fj.png' },
-  { id: 10, name: '移动端适配实战', status: '发布中', image: '/images/teacher/fj.png' },
-  { id: 11, name: '微信小程序开发', status: '下架中', image: '/images/teacher/fj.png' },
-  { id: 12, name: 'Flutter 跨平台开发', status: '发布中', image: '/images/teacher/fj.png' },
+  { id: 1, name: '前端开发基础课程', status: '发布中', image: '/images/teacher/fj.png', students: 120 },
+  { id: 2, name: 'Vue.js 实战教程', status: '发布中', image: '/images/teacher/fj.png', students: 95 },
+  { id: 3, name: 'React 入门到精通', status: '发布中', image: '/images/teacher/fj.png', students: 87 },
+  { id: 4, name: 'Node.js 后端开发', status: '下架中', image: '/images/teacher/fj.png', students: 65 },
+  { id: 5, name: 'TypeScript 高级教程', status: '发布中', image: '/images/teacher/fj.png', students: 73 },
+  { id: 6, name: 'JavaScript 设计模式', status: '发布中', image: '/images/teacher/fj.png', students: 56 },
+  { id: 7, name: 'CSS 动画与特效', status: '下架中', image: '/images/teacher/fj.png', students: 42 },
+  { id: 8, name: 'HTML5 新特性详解', status: '发布中', image: '/images/teacher/fj.png', students: 89 },
+  { id: 9, name: 'Web 性能优化指南', status: '发布中', image: '/images/teacher/fj.png', students: 67 },
+  { id: 10, name: '移动端适配实战', status: '发布中', image: '/images/teacher/fj.png', students: 54 },
+  { id: 11, name: '微信小程序开发', status: '下架中', image: '/images/teacher/fj.png', students: 38 },
+  { id: 12, name: 'Flutter 跨平台开发', status: '发布中', image: '/images/teacher/fj.png', students: 29 },
 ]);
 
+const searchValue = ref<string>('')
+const activeTab = ref<string>('ongoing')
 
 // 跳转到创建课程页面
 const navigateToCreateCourse = () => {
   router.push('/teacher/course-create');  
 };
+
+// 获取课程对应的选项列表
+const getOptionsForCourse = (course: any) => {
+  if (course.status === '发布中') {
+    return [
+      { label: '下架', value: 'offline', icon: '/images/teacher/下架.png' },
+      { label: '编辑', value: 'edit', icon: '/images/teacher/小编辑.png' },
+      { label: '移动', value: 'move', icon: '/images/teacher/移动.png' },
+      { label: '删除', value: 'delete', icon: '/images/teacher/删除.png' }
+    ];
+  } else if (course.status === '下架中') {
+    return [
+      { label: '发布', value: 'publish', icon: '/images/teacher/加号.png' },
+      { label: '编辑', value: 'edit', icon: '/images/teacher/小编辑.png' },
+      { label: '移动', value: 'move', icon: '/images/teacher/移动.png' },
+      { label: '删除', value: 'delete', icon: '/images/teacher/删除.png' }
+    ];
+  }
+  return [];
+};
+
+// 渲染选项标签（包含图标）
+const renderOptionLabel = (option: any) => {
+  return h('div', {
+    style: {
+      display: 'flex',
+      alignItems: 'center',
+      gap: '6px'
+    }
+  }, [
+    h('img', {
+      src: option.icon,
+      alt: '',
+      style: {
+        width: '13px',
+        height: '13px'
+      }
+    }),
+    option.label
+  ]);
+};
+
+// 处理选项选择
+const handleOptionSelect = (value: string, course: any) => {
+  console.log('选择了操作:', value, '课程:', course);
+  // 根据不同的 value 执行对应的操作
+  switch (value) {
+    case 'edit':
+      // 编辑逻辑 - 跳转到课程编辑页面
+      router.push(`/teacher/course-create/${course.id}`);
+      break;
+    case 'delete':
+      // 删除逻辑
+      handleDeleteCourse(course);
+      break;
+    case 'offline':
+      // 下架逻辑
+      handleOfflineCourse(course);
+      break;
+    case 'publish':
+      // 发布逻辑
+      handlePublishCourse(course);
+      break;
+    case 'move':
+      // 移动逻辑
+      handleMoveCourse(course);
+      break;
+    default:
+      break;
+  }
+};
+
+// 删除课程
+const handleDeleteCourse = (course: any) => {
+  dialog.warning({
+    title: '确认删除',
+    content: `确定要删除课程"${course.name}"吗？此操作不可撤销。`,
+    positiveText: '确定删除',
+    negativeText: '取消',
+    onPositiveClick: () => {
+      const index = courseList.value.findIndex(c => c.id === course.id);
+      if (index > -1) {
+        courseList.value.splice(index, 1);
+        message.success(`课程"${course.name}"已删除`);
+      }
+    }
+  });
+};
+
+// 下架课程
+const handleOfflineCourse = (course: any) => {
+  const targetCourse = courseList.value.find(c => c.id === course.id);
+  if (targetCourse) {
+    targetCourse.status = '下架中';
+    message.success(`课程"${course.name}"已下架`);
+  }
+};
+
+// 发布课程
+const handlePublishCourse = (course: any) => {
+  const targetCourse = courseList.value.find(c => c.id === course.id);
+  if (targetCourse) {
+    targetCourse.status = '发布中';
+    message.success(`课程"${course.name}"已发布`);
+  }
+};
+
+// 移动课程
+const handleMoveCourse = (course: any) => {
+  const currentIndex = courseList.value.findIndex(c => c.id === course.id);
+  const totalCourses = courseList.value.length;
+  
+  dialog.create({
+    title: '移动课程位置',
+    content: () => h('div', [
+      h('p', `课程"${course.name}"当前位置：第 ${currentIndex + 1} 位`),
+      h('p', { style: 'margin-top: 10px; margin-bottom: 10px;' }, '移动到位置：'),
+      h('input', {
+        type: 'number',
+        min: 1,
+        max: totalCourses,
+        value: currentIndex + 1,
+        style: 'width: 100%; padding: 8px; border: 1px solid #d9d9d9; border-radius: 4px;',
+        placeholder: `请输入位置 (1-${totalCourses})`,
+        id: 'movePositionInput'
+      }),
+      h('p', { 
+        style: 'margin-top: 8px; font-size: 12px; color: #666;' 
+      }, `提示：输入 1-${totalCourses} 之间的数字`)
+    ]),
+    positiveText: '确定移动',
+    negativeText: '取消',
+    onPositiveClick: () => {
+      const input = document.getElementById('movePositionInput') as HTMLInputElement;
+      const newPosition = parseInt(input.value);
+      
+      if (isNaN(newPosition) || newPosition < 1 || newPosition > totalCourses) {
+        message.error(`请输入有效的位置 (1-${totalCourses})`);
+        return false; // 阻止对话框关闭
+      }
+      
+      // 执行移动操作
+      const targetIndex = newPosition - 1;
+      if (targetIndex !== currentIndex) {
+        // 移除课程从当前位置
+        const [movedCourse] = courseList.value.splice(currentIndex, 1);
+        // 插入到新位置
+        courseList.value.splice(targetIndex, 0, movedCourse);
+        
+        message.success(`课程"${course.name}"已移动到第 ${newPosition} 位`);
+      } else {
+        message.info('位置未发生变化');
+      }
+      
+      return true; // 允许对话框关闭
+    }
+  });
+};
 </script>
 
 
@@ -125,10 +285,9 @@ const navigateToCreateCourse = () => {
   }
   
   .top {
-    padding: 20px;
+    padding: 10px 20px;
     white-space: nowrap;
     /* 进一步减少左右padding */
-    height: 60px;
     display: flex;
     align-items: center;
     justify-content: space-between;
@@ -139,94 +298,21 @@ const navigateToCreateCourse = () => {
   }
   
   .nav-links {
-    display: flex;
-    align-items: center;
-  
+    flex: 1;
   }
   
   .actions {
     display: flex;
     align-items: center;
     flex-shrink: 0;
+    gap: 12px;
   }
   
-  .top a {
-    margin-right: 74px;
-    display: inline-block;
-    height: 60px;
-    line-height: 60px;
-    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
-    font-size: 16px;
-    color: #333333;
-    text-decoration: none;
-    position: relative;
-  }
-  
-  .top a.active {
-    color: #1890ff;
-  }
-  
-  .top a.active::after {
-    content: '';
-    position: absolute;
-    bottom: 0;
-    left: 0;
-    width: 100%;
-    height: 3px;
-    background-color: #1890ff;
-  }
-  
-  .create-btn {
-    background-color: #0288D1;
-    color: white;
-    border: none;
-    padding: 7px 16px;
-    border-radius: 2px;
-    font-size: 14px;
-    cursor: pointer;
-    margin-right: 24px;
-    /* 增加按钮与搜索框间距 */
-    transition: background-color 0.3s;
-  }
-  
-  .create-btn:hover {
-    background-color: #40a9ff;
-  }
+
   
   .search-container {
     display: flex;
     align-items: center;
-    border: 1px solid #d9d9d9;
-    border-radius: 2px;
-    overflow: hidden;
-  }
-  
-  .search-container input {
-    border: none;
-    padding: 7px 12px;
-    outline: none;
-    font-size: 14px;
-    width: 240px;
-    /* 增加搜索框宽度 */
-  }
-  
-  .search-btn {
-    background-color: #0288D1;
-    border: none;
-    border-left: 1px solid #d9d9d9;
-    padding: 8px 16px;
-    cursor: pointer;
-    font-size: 16px;
-    color: #FFFFFF;
-    transition: background-color 0.3s;
-    line-height: 18px;
-    text-align: left;
-    font-style: normal;
-    text-transform: none;
-  }
-  
-  .search-btn:hover {
-    background-color: #e8e8e8;
   }
   
   .course-container {
@@ -266,7 +352,7 @@ const navigateToCreateCourse = () => {
   
   .course-card:hover {
     box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
-    transform: translateY(-5px);
+    /* transform: translateY(-5px); */
   }
   
   .course-image-container {
@@ -307,10 +393,12 @@ const navigateToCreateCourse = () => {
     font-size: 18px;
     font-weight: bold;
     color: #333;
-    display: block;
-    padding: 0;
-    margin: 0;
+    display: flex;
     line-height: 1;
+    width: 32px;
+    height: 32px;
+    justify-content: center;
+    align-items: center;
   }
   
   .course-image-container img {
@@ -318,83 +406,6 @@ const navigateToCreateCourse = () => {
     height: 13px;
   }
   
-  /* 添加更多选项按钮样式 */
-  .more-options {
-    position: relative;
-    cursor: pointer;
-  }
-  
-  .more-icon {
-    font-size: 18px;
-    font-weight: bold;
-    color: #333;
-    display: block;
-    padding: 5px;
-    margin: 0;
-    line-height: 1;
-  }
-  
-  .options-menu {
-    position: absolute;
-    top: 100%;
-    right: 0;
-    background: white;
-    border: 1px solid #eee;
-    border-radius: 4px;
-    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
-    display: none;
-    z-index: 10;
-    width: auto;
-    min-width: 59px;
-    height: auto;
-  }
-  
-  .more-options:hover .options-menu {
-    display: block;
-  }
-  
-  .option-item {
-    display: flex;
-    align-items: center;
-    padding: 5px 8px;
-    color: #333;
-    text-decoration: none;
-    font-size: 12px;
-    text-align: center;
-    height: 24px;
-    line-height: 14px;
-    box-sizing: border-box;
-    border-bottom: 1px solid #f0f0f0;
-  }
-  
-  .icon-edit,
-  .icon-view,
-  .icon-delete,
-  .icon-more {
-    margin-right: 4px;
-    color: #1890ff;
-  }
-  
-  .icon-view {
-    color: #52c41a;
-  }
-  
-  .icon-delete {
-    color: #f5222d;
-  }
-  
-  .icon-more {
-    color: #faad14;
-  }
-  
-  .option-item:last-child {
-    border-bottom: none;
-  }
-  
-  .option-item:hover {
-    background-color: #f5f5f5;
-  }
-  
   .course-info {
     display: flex;
     flex-direction: column;
@@ -523,12 +534,15 @@ const navigateToCreateCourse = () => {
   border-color: #1890ff;
 }
 
+:deep(.n-tabs.n-tabs--top .n-tab-pane){
+  padding: 0;
+}
+
 /* 响应式设计 - 让卡片图片和文字响应式放大 */
 
 /* 超大屏幕 (≥1920px) - 图片和文字放大 */
 @media (min-width: 1920px) {
   .course-category {
-    max-width: 1800px;
     margin: 0 auto;
     background: #fff;
     border-radius: 8px;
@@ -575,7 +589,6 @@ const navigateToCreateCourse = () => {
 /* 超大屏幕 (1600px+) */
 @media (min-width: 1600px) {
   .course-category {
-    max-width: 1500px;
     margin: 0 auto;
   }
 
diff --git a/src/components/admin/CourseComponents/CourseCreate.vue b/src/components/admin/CourseComponents/CourseCreate.vue
index ab51118..6f5b35c 100644
--- a/src/components/admin/CourseComponents/CourseCreate.vue
+++ b/src/components/admin/CourseComponents/CourseCreate.vue
@@ -3,6 +3,17 @@
     <div class="form-container">
       <!-- 表单内容 -->
       <div class="form-content">
+         <div class="header-left">
+              <n-button quaternary circle size="large" @click="goBack">
+                  <template #icon>
+                      <n-icon>
+                          <ArrowBackOutline />
+                      </n-icon>
+                  </template>
+              </n-button>
+              <h2 class="page-title">{{ pageTitle }}</h2>
+          </div>
+
         <!-- 上半部分：两列布局 -->
         <div class="form-row">
           <!-- 左列 -->
@@ -163,9 +174,10 @@
 </template>
 
 <script setup lang="ts">
-import { reactive, ref, shallowRef, onBeforeUnmount } from 'vue'
-import { useRouter } from 'vue-router'
+import { reactive, ref, shallowRef, onBeforeUnmount, onMounted, computed } from 'vue'
+import { useRouter, useRoute } from 'vue-router'
 import { useMessage } from 'naive-ui'
+import { ArrowBackOutline } from '@vicons/ionicons5';
 import {
   NInput,
   NDatePicker,
@@ -179,8 +191,16 @@ import '@wangeditor/editor/dist/css/style.css'
 import { Editor, Toolbar } from '@wangeditor/editor-for-vue'
 
 const router = useRouter()
+const route = useRoute()
 const message = useMessage()
 
+// 判断是否为编辑模式
+const isEditMode = computed(() => !!route.params.id)
+const courseId = computed(() => route.params.id as string)
+
+// 页面标题
+const pageTitle = computed(() => isEditMode.value ? '编辑课程' : '创建课程')
+
 // 编辑器实例，必须用 shallowRef
 const editorRef = shallowRef()
 
@@ -225,6 +245,80 @@ const formData = reactive({
   requiredPoints: 60
 })
 
+// 模拟课程数据
+const mockCourseData = {
+  1: {
+    courseName: '前端开发基础课程',
+    courseCategory: 'frontend',
+    instructors: ['李清林', '张老师'],
+    sort: '1',
+    startTime: new Date('2024-01-15 09:00:00').getTime(),
+    endTime: new Date('2024-03-15 18:00:00').getTime(),
+    studentType: 'partial',
+    selectedClasses: ['frontend-class', 'fullstack-class'],
+    courseDescription: '<p>这是一门全面的前端开发基础课程，涵盖HTML、CSS、JavaScript等核心技术。</p><p>课程特色：</p><ul><li>理论与实践相结合</li><li>项目驱动学习</li><li>一对一指导</li></ul>',
+    stopOnLeave: true,
+    videoSpeedControl: true,
+    showVideoText: false,
+    pointsEnabled: true,
+    earnPoints: 80,
+    requiredPoints: 50,
+    courseCover: '/images/teacher/fj.png'
+  },
+  2: {
+    courseName: 'Vue.js 实战教程',
+    courseCategory: 'frontend',
+    instructors: ['刘树光'],
+    sort: '2',
+    startTime: new Date('2024-02-01 10:00:00').getTime(),
+    endTime: new Date('2024-04-01 17:00:00').getTime(),
+    studentType: 'all',
+    selectedClasses: [],
+    courseDescription: '<p>深入学习Vue.js框架，掌握现代前端开发技能。</p>',
+    stopOnLeave: false,
+    videoSpeedControl: true,
+    showVideoText: true,
+    pointsEnabled: true,
+    earnPoints: 100,
+    requiredPoints: 60,
+    courseCover: '/images/teacher/fj.png'
+  }
+}
+
+// 加载课程数据
+const loadCourseData = async (id: string) => {
+  try {
+    // 模拟API调用延迟
+    await new Promise(resolve => setTimeout(resolve, 500))
+    
+    const courseData = mockCourseData[id as unknown as keyof typeof mockCourseData]
+    if (courseData) {
+      // 填充表单数据
+      Object.assign(formData, courseData)
+      
+      // 如果有课程封面，设置预览URL
+      if (courseData.courseCover) {
+        previewUrl.value = courseData.courseCover
+      }
+      
+      message.success('课程数据加载成功')
+    } else {
+      message.error('课程不存在')
+      router.back()
+    }
+  } catch (error) {
+    message.error('加载课程数据失败')
+    console.error('Load course data error:', error)
+  }
+}
+
+// 组件挂载时处理
+onMounted(() => {
+  if (isEditMode.value && courseId.value) {
+    loadCourseData(courseId.value)
+  }
+})
+
 
 
 // 课程分类选项
@@ -340,19 +434,37 @@ const handleSubmit = async () => {
       return
     }
 
-    if (!formData.courseCover || !previewUrl.value) {
+    if (!formData.courseCover && !previewUrl.value) {
       message.error('请上传课程封面')
       return
     }
 
     console.log('表单数据:', formData)
-    message.success('课程创建成功！')
+    
+    // 模拟API调用
+    await new Promise(resolve => setTimeout(resolve, 1000))
+    
+    if (isEditMode.value) {
+      // 编辑模式
+      message.success('课程更新成功！')
+      console.log('更新课程ID:', courseId.value)
+    } else {
+      // 创建模式
+      message.success('课程创建成功！')
+    }
+    
+    // 返回到课程管理页面
     router.push('/teacher/course-management')
   } catch (error) {
     console.error('提交失败:', error)
-    message.error('提交失败，请重试')
+    const errorMessage = isEditMode.value ? '更新失败，请重试' : '创建失败，请重试'
+    message.error(errorMessage)
   }
 }
+
+const goBack = () => {
+  router.back()
+}
 </script>
 
 <style scoped>
@@ -370,6 +482,32 @@ const handleSubmit = async () => {
   padding: 24px 24px 0 24px;
 }
 
+
+.header-left {
+    display: flex;
+    align-items: center;
+    gap: 16px;
+}
+
+.page-title {
+    margin: 0;
+    font-size: 18px;
+    font-weight: 600;
+    color: #333;
+}
+
+.title {
+    margin: 0;
+    font-size: 20px;
+    font-weight: 500;
+    color: #333;
+}
+
+.header-actions {
+    display: flex;
+    gap: 12px;
+}
+
 .form-row {
   display: flex;
   gap: 100px;
diff --git a/src/components/common/MoveFileContent.vue b/src/components/common/MoveFileContent.vue
index 9f5287c..49452cc 100644
--- a/src/components/common/MoveFileContent.vue
+++ b/src/components/common/MoveFileContent.vue
@@ -6,30 +6,21 @@
         选择文件:
       </label>
       <div class="select-wrapper">
-        <select
-          v-model="selectedFolder"
-          class="form-select"
-          @change="handleFolderChange"
-        >
-          <option value="" disabled>请选择文件夹</option>
-          <option 
-            v-for="folder in availableFolders" 
-            :key="folder.id" 
-            :value="folder.id"
-          >
-            {{ folder.name }}
-          </option>
-        </select>
-        <div class="select-arrow">
-          <img src="/images/teacher/箭头-灰.png" alt="下拉箭头" class="arrow-icon">
-        </div>
+        <n-select
+          v-model:value="selectedFolder"
+          :options="folderOptions"
+          placeholder="请选择文件夹"
+          clearable
+          @update:value="handleFolderChange"
+        />
       </div>
     </div>
   </div>
 </template>
 
 <script setup lang="ts">
-import { ref, watch } from 'vue'
+import { ref, watch, computed } from 'vue'
+import { NSelect } from 'naive-ui'
 
 // Props
 const props = defineProps({
@@ -51,19 +42,27 @@ const props = defineProps({
 const emit = defineEmits(['confirm'])
 
 // 响应式数据
-const selectedFolder = ref('')
+const selectedFolder = ref<number | null>(null)
+
+// 转换文件夹数据为 n-select 组件需要的格式
+const folderOptions = computed(() => {
+  return props.availableFolders.map(folder => ({
+    label: folder.name,
+    value: folder.id
+  }))
+})
 
 // 监听模态框显示状态，重置选择
 watch(() => props.visible, (newVal) => {
   if (newVal) {
-    selectedFolder.value = ''
+    selectedFolder.value = null
   }
 })
 
 // 监听选中的文件夹变化，实时传递给父组件
 watch(selectedFolder, (newVal) => {
   if (props.getValue && newVal) {
-    const folder = props.availableFolders.find((f: { id: number }) => f.id === newVal as unknown as number)
+    const folder = props.availableFolders.find((f: { id: number }) => f.id === newVal)
     if (folder) {
       props.getValue(folder)
     }
@@ -71,9 +70,9 @@ watch(selectedFolder, (newVal) => {
 })
 
 // 处理文件夹选择变化
-const handleFolderChange = () => {
-  if (selectedFolder.value) {
-    const folder = props.availableFolders.find((f: { id: number }) => f.id === selectedFolder.value as unknown as number)
+const handleFolderChange = (value: number | null) => {
+  if (value) {
+    const folder = props.availableFolders.find((f: { id: number }) => f.id === value)
     if (folder) {
       emit('confirm', folder)
     }
@@ -84,7 +83,7 @@ const handleFolderChange = () => {
 defineExpose({
   getSelectedFolder: () => selectedFolder.value,
   clearSelection: () => {
-    selectedFolder.value = ''
+    selectedFolder.value = null
   }
 })
 </script>
@@ -121,96 +120,37 @@ defineExpose({
   min-width: 0;
 }
 
-.form-select {
-  width: 100%;
+/* Naive UI Select 组件样式定制 */
+:deep(.select-wrapper .n-base-selection) {
   height: 36px;
-  padding: 0 12px;
-  padding-right: 32px;
   border: 1px solid #d9d9d9;
   border-radius: 4px;
   font-size: 14px;
-  color: #333;
   background: white;
   transition: all 0.3s ease;
-  box-sizing: border-box;
-  appearance: none;
-  cursor: pointer;
-  background-image: none;
 }
 
-.form-select:focus {
-  outline: none;
+:deep(.select-wrapper .n-base-selection:hover) {
+  border-color: #40a9ff;
+}
+
+:deep(.select-wrapper .n-base-selection.n-base-selection--focus) {
   border-color: #0288D1;
   box-shadow: 0 0 0 2px rgba(2, 136, 209, 0.2);
 }
 
-.form-select:disabled {
-  background-color: #f5f5f5;
-  color: #bfbfbf;
-  cursor: not-allowed;
-}
-
-/* 下拉框选项样式 */
-.form-select option {
-  padding: 8px 12px;
-  font-size: 14px;
+:deep(.select-wrapper .n-base-selection-input) {
   color: #333;
-  background: white;
-  border: none;
+  font-size: 14px;
 }
 
-.form-select option:hover {
-  background-color: #f5f5f5;
-}
-
-.form-select option:checked {
-  background-color: #e6f7ff;
-  color: #0288D1;
-}
-
-.form-select option:disabled {
+:deep(.select-wrapper .n-base-selection-placeholder) {
   color: #bfbfbf;
-  background-color: #f5f5f5;
-  font-style: italic;
+  font-size: 14px;
 }
 
-/* 默认提示选项样式 */
-.form-select option[value=""] {
-  color: #bfbfbf;
-  background-color: #fafafa;
-  font-style: italic;
-}
-
-/* 下拉框悬停效果 */
-.form-select:hover:not(:disabled) {
-  border-color: #40a9ff;
-}
-
-/* 确保下拉框在不同浏览器中显示一致 */
-.form-select::-ms-expand {
-  display: none;
-}
-
-.select-arrow {
-  position: absolute;
-  right: 12px;
-  top: 50%;
-  transform: translateY(-50%);
-  pointer-events: none;
-  transition: opacity 0.3s ease;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-}
-
-.arrow-icon {
-  width: 12px;
-  height: 12px;
-  object-fit: contain;
-  transition: opacity 0.3s ease;
-}
-
-.form-select:focus + .select-arrow .arrow-icon {
-  opacity: 0.8;
+:deep(.select-wrapper .n-base-selection-label) {
+  color: #333;
+  font-size: 14px;
 }
 </style>
diff --git a/src/router/index.ts b/src/router/index.ts
index da3f645..12b23d5 100644
--- a/src/router/index.ts
+++ b/src/router/index.ts
@@ -48,6 +48,8 @@ import CourseEditor from '@/views/teacher/course/CourseEditor.vue'
 import CoursewareManagement from '@/views/teacher/course/CoursewareManagement.vue'
 import ChapterManagement from '@/views/teacher/course/ChapterManagement.vue'
 import QuestionBankManagement from '@/views/teacher/course/QuestionBankManagement.vue'
+import FileViewer from '@/views/teacher/course/FileViewer.vue'
+import FolderBrowser from '@/views/teacher/course/FolderBrowser.vue'
 import CertificateManagement from '@/views/teacher/certificate/CertificateManagement.vue'
 import DiscussionManagement from '@/views/teacher/course/DiscussionManagement.vue'
 import StatisticsManagement from '@/views/teacher/course/StatisticsManagement.vue'
@@ -123,7 +125,7 @@ const routes: RouteRecordRaw[] = [
         ]
       },
       {
-        path: 'course-create',
+        path: 'course-create/:id?',
         name: 'CourseCreate',
         component: CourseCreate,
         meta: { title: '创建课程' }
@@ -265,7 +267,19 @@ const routes: RouteRecordRaw[] = [
             name: 'GeneralManagement',
             component: GeneralManagement,
             meta: { title: '综合管理' }
-          }
+          },
+          {
+            path: 'file-viewer/:fileId',
+            name: 'FileViewer',
+            component: FileViewer,
+            meta: { title: '文件查看' }
+          },
+          {
+            path: 'folder-browser/:folderId',
+            name: 'FolderBrowser',
+            component: FolderBrowser,
+            meta: { title: '文件夹浏览' }
+          },
         ]
       },
       {
diff --git a/src/views/teacher/certificate/CertificateDetail.vue b/src/views/teacher/certificate/CertificateDetail.vue
index c31d8d0..8161922 100644
--- a/src/views/teacher/certificate/CertificateDetail.vue
+++ b/src/views/teacher/certificate/CertificateDetail.vue
@@ -234,13 +234,13 @@ const columns = [
         h(NButton, {
           size: 'small',
           type: 'primary',
-          class: 'revoke-btn',
+          ghost: true,
           onClick: () => handleRevoke(row)
         }, { default: () => '撤回' }),
         h(NButton, {
           size: 'small',
           type: 'error',
-          class: 'delete-btn',
+          ghost: true,
           onClick: () => handleDelete(row)
         }, { default: () => '删除' })
       ])
diff --git a/src/views/teacher/course/AddCoursewareModal.vue b/src/views/teacher/course/AddCoursewareModal.vue
index 46b35ef..9dd0c98 100644
--- a/src/views/teacher/course/AddCoursewareModal.vue
+++ b/src/views/teacher/course/AddCoursewareModal.vue
@@ -1,52 +1,53 @@
 <template>
     <div class="modal-container flex-col">
-        <span class="modal-title">添加课件</span>
+        <h2 class="modal-title">添加课件</h2>
+         <n-divider />
         <div class="upload-section flex-row">
             <div class="label-group flex-col justify-between">
                 <span class="upload-path-label">上传路径：</span>
                 <span class="upload-file-label">上传文件：</span>
             </div>
             <div class="button-group flex-col justify-between">
-                <div class="select-path-button flex-col">
-                    <input
-                        type="file"
-                        id="pathUpload"
-                        @change="handleLocalFileUpload"
-                        style="display: none;"
-                        accept=".doc,.docx,.pdf,.xls,.xlsx,.ppt,.pptx,.mp3,.mp4"
-                    />
-                    <label for="pathUpload" class="button-text file-input-label">选择路径</label>
-                </div>
-                <div class="select-file-button flex-col" style="position: relative;">
-                    <div class="button-text file-input-label" @click="toggleResourceDropdown">选择文件</div>
-                    <div v-show="showResourceDropdown" class="upload-type flex-col">
-                        <label class="upload-type-text">
-                            <input
-                                type="file"
-                                @change="handleDropdownLocalUpload"
-                                style="display: none;"
-                                accept=".doc,.docx,.pdf,.xls,.xlsx,.ppt,.pptx,.mp3,.mp4"
-                            />
-                            本地上传
-                        </label>
-                        <label class="upload-type-text">
-                            <input
-                                type="file"
-                                @change="handleDropdownResourceUpload"
-                                style="display: none;"
-                                accept=".doc,.docx,.pdf,.xls,.xlsx,.ppt,.pptx,.mp3,.mp4"
-                            />
-                            资源上传
-                        </label>
+                <n-popselect 
+                    :options="folderOptions"
+                    trigger="click"
+                    placement="bottom-start"
+                    v-model:value="selectedFolder"
+                    @update:value="handleFolderSelect"
+                >
+                    <div class="select-path-button flex-col">
+                        <span class="button-text file-input-label">选择路径</span>
                     </div>
-                </div>
+                </n-popselect>
+                <n-popselect 
+                    :options="uploadOptions"
+                    trigger="click"
+                    placement="bottom-start"
+                    @update:value="handleUploadOptionSelect"
+                    :render-label="renderUploadOption"
+                >
+                    <div class="select-file-button flex-col">
+                        <span class="button-text file-input-label">选择文件</span>
+                    </div>
+                </n-popselect>
+                <!-- 隐藏的文件输入框 -->
+                <input
+                    ref="localFileInput"
+                    type="file"
+                    @change="handleLocalFileUpload"
+                    style="display: none;"
+                    accept=".doc,.docx,.pdf,.xls,.xlsx,.ppt,.pptx,.mp3,.mp4"
+                />
+                <input
+                    ref="resourceFileInput"
+                    type="file"
+                    @change="handleResourceFileUpload"
+                    style="display: none;"
+                    accept=".doc,.docx,.pdf,.xls,.xlsx,.ppt,.pptx,.mp3,.mp4"
+                />
             </div>
             <div class="folder-display flex-col justify-between">
-                <span class="folder-name">文件夹一</span>
-                <div class="existing-folders flex-col">
-                    <span class="folder-item">已由文件夹名称一</span>
-                    <span class="folder-item">已由文件夹名称二</span>
-                </div>
+                <span class="folder-name">{{ getSelectedFolderName() }}</span>
             </div>
         </div>
         <div class="supported-formats flex-row">
@@ -74,10 +75,71 @@
 </template>
 
 <script setup lang="ts">
-import { ref } from 'vue'
+import { ref, h } from 'vue'
 
-// 控制资源上传下拉菜单的显示
-const showResourceDropdown = ref(false)
+// 选中的文件夹
+const selectedFolder = ref<string>('')
+
+// 上传选项数据
+const uploadOptions = ref([
+  { label: '本地上传', value: 'local' },
+  { label: '资源上传', value: 'resource' }
+])
+
+// 文件输入框引用
+const localFileInput = ref<HTMLInputElement>()
+const resourceFileInput = ref<HTMLInputElement>()
+
+// 文件夹选项模拟数据
+const folderOptions = ref([
+  { label: '文件夹一', value: 'folder1' },
+  { label: '文件夹二', value: 'folder2' },
+  { label: '文件夹三', value: 'folder3' },
+  { label: '文档资料', value: 'documents' },
+  { label: '视频课件', value: 'videos' },
+  { label: '音频文件', value: 'audios' },
+  { label: '演示文稿', value: 'presentations' },
+  { label: '其他资源', value: 'others' }
+])
+
+// 渲染上传选项标签
+const renderUploadOption = (option: any) => {
+  return h('span', {
+    style: {
+      display: 'flex',
+      alignItems: 'center',
+      justifyContent: 'center',
+      padding: '5px 0'
+    }
+  }, option.label)
+}
+
+// 处理上传选项选择
+const handleUploadOptionSelect = (value: string) => {
+  console.log('选中的上传方式:', value)
+  if (value === 'local') {
+    // 触发本地上传文件选择
+    localFileInput.value?.click()
+  } else if (value === 'resource') {
+    // 触发资源上传文件选择
+    resourceFileInput.value?.click()
+  }
+}
+
+// 获取选中文件夹的名称
+const getSelectedFolderName = () => {
+  if (!selectedFolder.value) {
+    return '请选择文件夹'
+  }
+  const folder = folderOptions.value.find(option => option.value === selectedFolder.value)
+  return folder ? folder.label : '未知文件夹'
+}
+
+// 处理文件夹选择
+const handleFolderSelect = (value: string) => {
+  console.log('选中的文件夹:', value)
+  // 这里可以添加文件夹选择后的逻辑
+}
 
 // 处理本地上传文件选择
 const handleLocalFileUpload = (event: Event) => {
@@ -99,23 +161,6 @@ const handleResourceFileUpload = (event: Event) => {
   }
 }
 
-// 切换资源上传下拉菜单
-const toggleResourceDropdown = () => {
-  showResourceDropdown.value = !showResourceDropdown.value
-}
-
-// 处理下拉选项中的本地上传
-const handleDropdownLocalUpload = (event: Event) => {
-  handleLocalFileUpload(event)
-  showResourceDropdown.value = false
-}
-
-// 处理下拉选项中的资源上传
-const handleDropdownResourceUpload = (event: Event) => {
-  handleResourceFileUpload(event)
-  showResourceDropdown.value = false
-}
-
 // 定义事件发射器
 const emit = defineEmits(['close'])
 
@@ -163,7 +208,8 @@ const handleConfirm = () => {
   height: 160px;
   background: #FCFCFC ;
   background-size: 100% 100%;
-  margin: 46px 0 0 22px;
+  border: 1px solid rgb(233, 233, 233);
+  margin: 0 0 0 22px;
 }
 
 .label-group {
@@ -453,41 +499,7 @@ const handleConfirm = () => {
   background: #0277BD;
 }
 
-.upload-type {
-  position: absolute;
-  left: 0;
-  top: 100%;
-  width: 123px;
-  height: 76px;
-  background: #FFFFFF;
-  background-size: 241px 194px;
-  border: 1px solid #e0e0e0;
-  border-radius: 4px;
-  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
-  z-index: 1000;
-}
-.upload-type-text {
-  width: 100%;
-  height: 30px;
-  overflow-wrap: break-word;
-  color: rgba(51, 51, 51, 1);
-  font-size: 14px;
-  font-family: Helvetica, 'Microsoft YaHei', Arial, sans-serif;
-  font-weight: normal;
-  text-align: center;
-  white-space: nowrap;
-  line-height: 30px;
-  margin: 0;
-  cursor: pointer;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  padding: 5px 0;
-}
 
-.upload-type-text:hover {
-  background-color: #f5f5f5;
-}
 
 /* 文件输入框标签样式 */
 .file-input-label {
diff --git a/src/views/teacher/course/AddHomework.vue b/src/views/teacher/course/AddHomework.vue
index e651240..2dcf83a 100644
--- a/src/views/teacher/course/AddHomework.vue
+++ b/src/views/teacher/course/AddHomework.vue
@@ -4,6 +4,13 @@
       <!-- 表单内容 -->
       <div class="form-content">
         <!-- 上半部分：两列布局 -->
+          <n-button quaternary circle size="large" @click="handleCancel" class="back-button">
+              <template #icon>
+                  <n-icon>
+                      <ArrowBackOutline />
+                  </n-icon>
+              </template>
+          </n-button>
         <div class="form-row">
           <!-- 左列 -->
           <div class="form-column">
@@ -187,6 +194,7 @@ import {
 import '@wangeditor/editor/dist/css/style.css'
 // @ts-ignore
 import { Editor, Toolbar } from '@wangeditor/editor-for-vue'
+import { ArrowBackOutline } from '@vicons/ionicons5'
 
 const router = useRouter()
 const route = useRoute()
@@ -307,8 +315,6 @@ const creatorOptions = [
 
 
 
-
-
 // 取消
 const handleCancel = () => {
   router.back()
diff --git a/src/views/teacher/course/ChapterEditor.vue b/src/views/teacher/course/ChapterEditor.vue
index f867b71..46b1cb8 100644
--- a/src/views/teacher/course/ChapterEditor.vue
+++ b/src/views/teacher/course/ChapterEditor.vue
@@ -5,6 +5,7 @@
       'tablet-layout': isTablet,
       'sidebar-collapsed': sidebarCollapsed
     }">
+
       <!-- 移动端菜单按钮 -->
       <n-button v-if="isMobile" class="mobile-menu-toggle" quaternary @click="toggleSidebar">
         <span class="menu-icon">☰</span>
@@ -19,6 +20,14 @@
           <span class="close-icon">×</span>
         </n-button>
 
+        <n-button quaternary circle size="large" @click="goBack" class="back-button">
+            <template #icon>
+                <n-icon>
+                    <ArrowBackOutline />
+                </n-icon>
+            </template>
+        </n-button>
+
         <n-button class="header-section flex-row justify-between" type="primary">
           <template #icon>
             <img class="chapter-icon" referrerpolicy="no-referrer" src="/images/teacher/加号_4.png" />
@@ -216,6 +225,10 @@ import CustomDropdown from '@/components/CustomDropdown.vue';
 import HomeworkDropdown from '@/components/HomeworkDropdown.vue';
 import ExamPaperLibraryModal from '@/components/ExamPaperLibraryModal.vue';
 import HomeworkLibraryModal from '@/components/HomeworkLibraryModal.vue';
+import { ArrowBackOutline } from '@vicons/ionicons5';
+import { useRouter } from 'vue-router';
+
+const router = useRouter();
 
 // 控制菜单显示状态的响应式变量
 const isMenuVisible = ref(false);
@@ -544,6 +557,10 @@ const removeLessonSection = (sectionId: number) => {
   }
 };
 
+const goBack = () => {
+ router.back();
+}
+
 // 删除未使用的方法
 </script>
 
@@ -565,6 +582,10 @@ const removeLessonSection = (sectionId: number) => {
   height: auto !important;
 }
 
+.back-button{
+  margin: 10px 0 0 10px;
+}
+
 :deep(.n-button.mobile-close) {
   position: absolute;
   top: 15px;
@@ -579,8 +600,6 @@ const removeLessonSection = (sectionId: number) => {
 }
 
 :deep(.n-button.header-section) {
-  width: 194px !important;
-  height: 48px !important;
   background-color: #0288D1 !important;
   border-radius: 4px !important;
   margin: 31px 0 0 40px !important;
diff --git a/src/views/teacher/course/ChapterManagement.vue b/src/views/teacher/course/ChapterManagement.vue
index eefdbdb..0331e51 100644
--- a/src/views/teacher/course/ChapterManagement.vue
+++ b/src/views/teacher/course/ChapterManagement.vue
@@ -4,24 +4,29 @@
     <div class="toolbar">
       <h2>全部章节</h2>
       <div class="toolbar-actions">
-        <button class="btn btn-primary" @click="addChapter">添加章节</button>
-        <button class="btn btn-new" @click="importChapters">导入</button>
-        <button class="btn btn-new" @click="exportChapters">导出</button>
-        <button class="btn btn-danger" @click="deleteSelected" :disabled="selectedChapters.length === 0">删除</button>
-        <div class="search-box">
-          <input type="text" placeholder="请输入想要搜索的内容" v-model="searchKeyword" />
-          <button class="btn btn-search" @click="searchChapters">搜索</button>
-        </div>
+        <n-space>
+          <n-button type="primary" @click="addChapter">添加章节</n-button>
+          <n-button @click="importChapters">导入</n-button>
+          <n-button @click="exportChapters">导出</n-button>
+          <n-button type="error" :disabled="selectedChapters.length === 0" @click="deleteSelected">删除</n-button>
+          <div class="search-container">
+            <n-input 
+              v-model:value="searchKeyword" 
+              placeholder="请输入想要搜索的内容" 
+              style="width: 200px;"
+            >
+            </n-input>
+            <n-button type="primary" @click="searchChapters">搜索</n-button>
+          </div>
+        </n-space>
       </div>
     </div>
 
     <!-- 章节列表表格 -->
     <div class="table-box">
-      <n-config-provider :locale="zhCN" :date-locale="dateZhCN">
         <n-data-table :columns="columns" :data="paginatedChapters" :row-key="rowKey"
           :checked-row-keys="selectedChapters" @update:checked-row-keys="handleCheck" :bordered="false"
           :single-line="false" size="medium" class="chapter-data-table" :row-class-name="rowClassName" scroll-x="true" />
-      </n-config-provider>
 
       <!-- 自定义分页器 -->
       <div class="custom-pagination">
@@ -51,7 +56,7 @@
             <span class="page-number nav-button" :class="{ disabled: currentPage === totalPages }"
               @click="goToPage('last')">
               尾页
-            </span>
+          </span>
           </div>
         </div>
       </div>
@@ -61,7 +66,7 @@
 
 <script setup lang="ts">
 import { ref, computed, h } from 'vue'
-import { NButton, useMessage, NDataTable, NConfigProvider, zhCN, dateZhCN } from 'naive-ui'
+import { NButton, useMessage, NDataTable, NInput, NSpace } from 'naive-ui'
 import type { DataTableColumns } from 'naive-ui'
 import { useRouter, useRoute } from 'vue-router'
 
@@ -503,10 +508,9 @@ const columns: DataTableColumns<Chapter> = [
 </script>
 
 <style scoped>
-.chapter-management {
-  width: 100%;
-  background: #fff;
-    height: 100%;
+  .chapter-management {
+    width: 100%;
+    background: #fff;
     overflow: auto;
   }
   
@@ -574,9 +578,6 @@ const columns: DataTableColumns<Chapter> = [
     border: 1px solid #FF4D4F;
   }
   
-  .btn-danger:hover {
-    background: #ff7875;
-  }
   
   .search-box {
     display: flex;
@@ -779,7 +780,7 @@ const columns: DataTableColumns<Chapter> = [
 }
 
 .page-number:hover:not(.disabled) {
-  color: #0088D1;
+  /* color: #0088D1; */
   border-color: #0088D1;
 }
 
diff --git a/src/views/teacher/course/CourseEditor.vue b/src/views/teacher/course/CourseEditor.vue
index 83116f2..3547ae6 100644
--- a/src/views/teacher/course/CourseEditor.vue
+++ b/src/views/teacher/course/CourseEditor.vue
@@ -43,7 +43,7 @@
       <div class="menu-group">
         <div class="menu-header" @click="togglePractice">
           <img src="/images/teacher/练考通.png" alt="练考通" />
-          <span>练考通</span>
+          <span>考试管理</span>
           <i class="n-base-icon" :class="{ expanded: practiceExpanded }">
             <svg viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
               <path
@@ -55,7 +55,7 @@
         <div class="submenu" v-show="practiceExpanded">
           <router-link :to="`/teacher/course-editor/${courseId}/practice/exam`" class="submenu-item"
             :class="{ active: $route.path.includes('/practice/exam') }">
-            <span>试卷</span>
+            <span>试卷管理</span>
           </router-link>
           <router-link :to="`/teacher/course-editor/${courseId}/practice/review`" class="submenu-item"
             :class="{ active: $route.path.includes('/practice/review') }">
@@ -63,12 +63,12 @@
           </router-link>
         </div>
       </div>
-      <router-link :to="`/teacher/course-editor/${courseId}/question-bank`" class="menu-item"
+      <!-- <router-link :to="`/teacher/course-editor/${courseId}/question-bank`" class="menu-item"
         :class="{ active: $route.path.includes('question-bank') }">
         <img :src="$route.path.includes('question-bank') ? '/images/teacher/题库-选中.png' : '/images/teacher/题库.png'"
           alt="题库" />
         <span>题库</span>
-      </router-link>
+      </router-link> -->
       <router-link :to="`/teacher/course-editor/${courseId}/certificate`" class="menu-item"
         :class="{ active: $route.path.includes('certificate') }">
         <img :src="$route.path.includes('certificate') ? '/images/teacher/证书-选中.png' : '/images/teacher/证书.png'"
@@ -87,12 +87,12 @@
           alt="统计" />
         <span>统计</span>
       </router-link>
-      <router-link :to="`/teacher/course-editor/${courseId}/notification`" class="menu-item"
+      <!-- <router-link :to="`/teacher/course-editor/${courseId}/notification`" class="menu-item"
         :class="{ active: $route.path.includes('notification') }">
         <img :src="$route.path.includes('notification') ? '/images/teacher/通知-选中.png' : '/images/teacher/通知.png'"
           alt="通知" />
         <span>通知</span>
-      </router-link>
+      </router-link> -->
       <router-link :to="`/teacher/course-editor/${courseId}/management`" class="menu-item"
         :class="{ active: $route.path.includes('management') }">
         <img :src="$route.path.includes('management') ? '/images/teacher/管理-选中.png' : '/images/teacher/管理.png'"
@@ -285,9 +285,6 @@ const hideSidebar = computed(() => {
   transform: rotate(90deg);
 }
 
-.submenu {
-}
-
 .submenu-item {
   display: block;
   padding: 12px 15px;
diff --git a/src/views/teacher/course/CoursewareManagement.vue b/src/views/teacher/course/CoursewareManagement.vue
index ae89a26..4b1d91c 100644
--- a/src/views/teacher/course/CoursewareManagement.vue
+++ b/src/views/teacher/course/CoursewareManagement.vue
@@ -19,11 +19,11 @@
 
     <!-- 文件列表表格 -->
     <div class="table-box">
-      <n-config-provider :locale="zhCN" :date-locale="dateZhCN">
-        <n-data-table :columns="columns" :data="paginatedFiles" :row-key="rowKey" :checked-row-keys="selectedFiles"
-          @update:checked-row-keys="handleCheck" :bordered="false" :single-line="false" size="medium"
-          class="file-data-table" :row-class-name="rowClassName" style="width: 100%" />
-      </n-config-provider>
+      <div style="flex: 1;">
+          <n-data-table :columns="columns" :data="paginatedFiles" :row-key="rowKey" :checked-row-keys="selectedFiles"
+            @update:checked-row-keys="handleCheck" :bordered="false" :single-line="false" size="medium"
+            class="file-data-table" :row-class-name="rowClassName" style="width: 100%" />
+      </div>
 
       <!-- 自定义分页器 -->
       <div class="custom-pagination">
@@ -60,7 +60,7 @@
     </div>
 
     <!-- 添加课件模态框 -->
-    <div v-if="showAddCoursewareModal" class="modal-overlay" @click="closeAddCoursewareModal">
+    <div v-if="showAddCoursewareModal" class="modal-overlay">
       <AddCoursewareModal @close="closeAddCoursewareModal" />
     </div>
 
@@ -88,12 +88,28 @@
           :get-value="getValue" />
       </template>
     </CommonModal>
+
+    <!-- 重命名模态框 -->
+    <CommonModal :visible="showRenameModal" title="重命名" @close="closeRenameModal" @confirm="handleRename">
+      <template #content>
+        <div class="rename-content">
+          <n-input
+            v-model:value="renameInputValue"
+            placeholder="请输入新的文件名"
+            style="width: 100%"
+            ref="renameInputRef"
+            @keyup.enter="handleRename"
+          />
+        </div>
+      </template>
+    </CommonModal>
   </div>
 </template>
 
 <script setup lang="ts">
-import { ref, computed, h, onMounted, onUnmounted } from 'vue'
-import { NButton, NDropdown, NTag, useMessage, NDataTable, NConfigProvider, zhCN, dateZhCN } from 'naive-ui'
+import { ref, computed, h, onMounted, onUnmounted, nextTick } from 'vue'
+import { useRoute, useRouter } from 'vue-router'
+import { NButton, NDropdown, NTag, NInput, useMessage, NDataTable } from 'naive-ui'
 import type { DataTableColumns, DropdownOption } from 'naive-ui'
 import AddCoursewareModal from './AddCoursewareModal.vue'
 import UploadFileModal from './UploadFileModal.vue'
@@ -103,6 +119,8 @@ import CreateFolderContent from '@/components/common/CreateFolderContent.vue'
 import MoveFileContent from '@/components/common/MoveFileContent.vue'
 
 const message = useMessage()
+const route = useRoute()
+const router = useRouter()
 
 // 文件类型定义
 interface FileItem {
@@ -129,10 +147,19 @@ const showUploadFileModal = ref(false)
 const showDeleteConfirmModal = ref(false)
 const showCreateFolderModal = ref(false)
 const showMoveFileModal = ref(false)
+const showRenameModal = ref(false)
 
 // 存储待删除的项目信息
 const itemsToDelete = ref<{ type: 'single' | 'multiple', data: any }>({ type: 'single', data: null })
 
+// 存储当前要重命名的文件
+const currentRenameFile = ref<FileItem | null>(null)
+// 重命名输入值
+const renameInputValue = ref('')
+
+// 重命名输入框引用
+const renameInputRef = ref<InstanceType<typeof NInput> | null>(null)
+
 // 存储当前要上传文件的目标文件夹
 const currentUploadTarget = ref<FileItem | null>(null)
 
@@ -700,7 +727,25 @@ const closeUploadFileModal = () => {
 }
 
 const viewFile = (file: FileItem) => {
-  message.info('查看文件: ' + file.name)
+  if (file.type === 'folder') {
+    // 跳转到文件夹浏览页面
+    router.push({
+      name: 'FolderBrowser',
+      params: { 
+        id: route.params.id, // 课程ID
+        folderId: file.id.toString() 
+      }
+    })
+  } else {
+    // 跳转到单个文件查看页面
+    router.push({
+      name: 'FileViewer',
+      params: { 
+        id: route.params.id, // 课程ID
+        fileId: file.id.toString() 
+      }
+    })
+  }
 }
 
 const deleteFile = (file: FileItem) => {
@@ -745,11 +790,66 @@ const cancelDelete = () => {
 }
 
 const renameFile = (file: FileItem) => {
-  const newName = prompt('请输入新的文件名:', file.name)
-  if (newName && newName !== file.name) {
-    file.name = newName
-    message.success('重命名成功')
+  // 存储当前要重命名的文件
+  currentRenameFile.value = file
+  // 设置输入框的初始值
+  renameInputValue.value = file.name
+  showRenameModal.value = true
+  
+  // 使用 nextTick 确保模态框渲染后再聚焦输入框
+  nextTick(() => {
+    renameInputRef.value?.focus()
+  })
+}
+
+// 关闭重命名模态框
+const closeRenameModal = () => {
+  showRenameModal.value = false
+  currentRenameFile.value = null
+  renameInputValue.value = ''
+}
+
+// 处理重命名
+const handleRename = () => {
+  if (!currentRenameFile.value || !renameInputValue.value.trim()) {
+    message.error('文件名不能为空')
+    return
   }
+
+  const newName = renameInputValue.value.trim()
+  const oldName = currentRenameFile.value.name
+  
+  // 检查名称是否有变化
+  if (newName === oldName) {
+    message.info('文件名未发生变化')
+    closeRenameModal()
+    return
+  }
+
+  // 查找原文件并更新名称
+  const originalFile = findFileById(fileList.value, currentRenameFile.value.id)
+  if (originalFile) {
+    originalFile.name = newName
+    message.success(`文件重命名成功："${oldName}" → "${newName}"`)
+  } else {
+    message.error('未找到要重命名的文件')
+  }
+
+  closeRenameModal()
+}
+
+// 递归查找文件
+const findFileById = (files: FileItem[], id: number): FileItem | null => {
+  for (const file of files) {
+    if (file.id === id) {
+      return file
+    }
+    if (file.children) {
+      const found = findFileById(file.children, id)
+      if (found) return found
+    }
+  }
+  return null
 }
 
 // 递归查找文件在树形结构中的位置
@@ -829,8 +929,10 @@ const toggleFolder = (folder: FileItem) => {
 .courseware-management {
   width: 100%;
   background: #fff;
-  height: 100%;
   overflow: auto;
+  min-height: 100vh;
+  display: flex;
+  flex-direction: column;
 }
 
 /* 顶部工具栏 */
@@ -907,8 +1009,8 @@ const toggleFolder = (folder: FileItem) => {
 
 .btn-default:disabled,
 .btn-danger:disabled {
-  /* opacity: 0.5; */
-  /* cursor: not-allowed; */
+  opacity: 0.5;
+  cursor: not-allowed;
 }
 
 /* 模态框遮罩层样式 */
@@ -925,6 +1027,11 @@ const toggleFolder = (folder: FileItem) => {
   z-index: 1000;
 }
 
+/* 重命名模态框内容样式 */
+.rename-content {
+  padding: 10px 0;
+}
+
 .search-box {
   display: flex;
   align-items: center;
@@ -959,6 +1066,7 @@ const toggleFolder = (folder: FileItem) => {
   flex-direction: column;
   height: 100%;
   justify-content: space-between;
+  flex: 1;
 }
 
 /* Naive UI 表格样式定制 */
@@ -1297,7 +1405,6 @@ const toggleFolder = (folder: FileItem) => {
 }
 
 .page-number:hover:not(.disabled) {
-  color: #0088D1;
   border-color: #0088D1;
 }
 
diff --git a/src/views/teacher/course/FileViewer.vue b/src/views/teacher/course/FileViewer.vue
new file mode 100644
index 0000000..673365c
--- /dev/null
+++ b/src/views/teacher/course/FileViewer.vue
@@ -0,0 +1,800 @@
+<template>
+  <div class="file-viewer">
+    <!-- 顶部导航栏 -->
+    <div class="header">
+      <div class="nav-left">
+       <n-button quaternary circle size="large" @click="goBack" class="back-button">
+            <template #icon>
+                <n-icon>
+                    <ArrowBackOutline />
+                </n-icon>
+            </template>
+        </n-button>
+        <div class="breadcrumb">
+          <span 
+            v-for="(crumb, index) in breadcrumbs" 
+            :key="crumb.id"
+            class="breadcrumb-item"
+            @click="navigateTo(crumb)"
+          >
+            {{ crumb.name }}
+            <span v-if="index < breadcrumbs.length - 1" class="separator">></span>
+          </span>
+        </div>
+      </div>
+      <div class="nav-right">
+        <button class="btn btn-primary" @click="downloadFile" v-if="currentFile && currentFile.type !== 'folder'">
+          下载文件
+        </button>
+      </div>
+    </div>
+
+    <!-- 内容区域 -->
+    <div class="content">
+      <!-- 文件夹视图 -->
+      <div v-if="currentFile && currentFile.type === 'folder'" class="folder-view">
+        <div class="folder-header">
+          <h3>{{ currentFile.name }}</h3>
+          <div class="folder-info">
+            <span>创建时间：{{ currentFile.createTime }}</span>
+            <span>创建人：{{ currentFile.creator }}</span>
+          </div>
+        </div>
+        
+        <!-- 文件夹内容列表 -->
+        <div class="folder-content">
+          <div class="file-grid">
+            <div 
+              v-for="item in folderItems" 
+              :key="item.id"
+              class="file-item"
+              @click="viewItem(item)"
+              @dblclick="openItem(item)"
+            >
+              <div class="file-icon">
+                <img :src="getFileIcon(item.type)" :alt="item.type" />
+                <div v-if="item.isTop" class="top-badge">置顶</div>
+              </div>
+              <div class="file-name" :title="item.name">{{ item.name }}</div>
+              <div class="file-meta">
+                <span class="file-size">{{ item.size }}</span>
+                <span class="file-time">{{ formatTime(item.createTime) }}</span>
+              </div>
+            </div>
+          </div>
+          
+          <!-- 空状态 -->
+          <div v-if="folderItems.length === 0" class="empty-state">
+            <div class="empty-icon">📁</div>
+            <p>该文件夹暂无内容</p>
+          </div>
+        </div>
+      </div>
+
+      <!-- 文件预览视图 -->
+      <div v-else-if="currentFile" class="file-preview">
+        <div class="file-header">
+          <div class="file-info">
+            <img :src="getFileIcon(currentFile.type)" :alt="currentFile.type" class="file-type-icon" />
+            <div class="file-details">
+              <h3>{{ currentFile.name }}</h3>
+              <div class="file-meta">
+                <span>文件大小：{{ currentFile.size }}</span>
+                <span>创建时间：{{ currentFile.createTime }}</span>
+                <span>创建人：{{ currentFile.creator }}</span>
+              </div>
+            </div>
+          </div>
+        </div>
+
+        <!-- 文件预览内容 -->
+        <div class="preview-content">
+          <!-- 图片预览 -->
+          <div v-if="isImage(currentFile.type)" class="image-preview">
+            <img :src="getPreviewUrl(currentFile)" :alt="currentFile.name" />
+          </div>
+
+          <!-- 视频预览 -->
+          <div v-else-if="isVideo(currentFile.type)" class="video-preview">
+            <video controls :src="getPreviewUrl(currentFile)">
+              您的浏览器不支持视频播放
+            </video>
+          </div>
+
+          <!-- PDF预览 -->
+          <div v-else-if="isPdf(currentFile.type)" class="pdf-preview">
+            <iframe :src="getPreviewUrl(currentFile)" frameborder="0"></iframe>
+          </div>
+
+          <!-- 文档预览 -->
+          <div v-else-if="isDocument(currentFile.type)" class="document-preview">
+            <div class="document-placeholder">
+              <div class="file-preview-icon">
+                <img :src="getFileIcon(currentFile.type)" :alt="currentFile.type" />
+              </div>
+              <div class="file-preview-info">
+                <h4>{{ currentFile.name }}</h4>
+                <p class="file-description">该文件类型暂不支持在线预览</p>
+                <n-button type="primary" @click="downloadFile">下载查看</n-button>
+              </div>
+            </div>
+          </div>
+
+          <!-- 其他文件类型 -->
+          <div v-else class="unsupported-preview">
+            <div class="unsupported-placeholder">
+              <div class="file-preview-icon">
+                <img :src="getFileIcon(currentFile.type)" :alt="currentFile.type" />
+              </div>
+              <div class="file-preview-info">
+                <h4>{{ currentFile.name }}</h4>
+                <p class="file-description">该文件类型暂不支持预览</p>
+                <n-button type="primary" @click="downloadFile">下载查看</n-button>
+              </div>
+            </div>
+          </div>
+        </div>
+      </div>
+
+      <!-- 加载状态 -->
+      <div v-else class="loading-state">
+        <div class="loading-spinner"></div>
+        <p>加载中...</p>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ref, onMounted, onUnmounted } from 'vue'
+import { useRoute, useRouter } from 'vue-router'
+import { useMessage } from 'naive-ui'
+import { ArrowBackOutline } from '@vicons/ionicons5'
+
+const route = useRoute()
+const router = useRouter()
+const message = useMessage()
+
+// 文件类型定义
+interface FileItem {
+  id: number
+  name: string
+  type: string
+  size: string
+  creator: string
+  createTime: string
+  isTop: boolean
+  children?: FileItem[]
+  parentId?: number
+}
+
+// 当前查看的文件/文件夹
+const currentFile = ref<FileItem | null>(null)
+// 面包屑导航
+const breadcrumbs = ref<FileItem[]>([])
+// 文件夹内容
+const folderItems = ref<FileItem[]>([])
+
+// 模拟文件数据（实际项目中应该从API获取）
+const mockFileData: FileItem[] = [
+  {
+    id: 1,
+    name: '教学资料文件夹',
+    type: 'folder',
+    size: '1MB',
+    creator: '王建国',
+    createTime: '2025.07.25 09:20',
+    isTop: true,
+    children: [
+      {
+        id: 2,
+        name: '课程大纲.xlsx',
+        type: 'excel',
+        size: '1MB',
+        creator: '王建国',
+        createTime: '2025.07.25 09:20',
+        isTop: false,
+        parentId: 1
+      },
+      {
+        id: 3,
+        name: '教学计划.docx',
+        type: 'word',
+        size: '2MB',
+        creator: '王建国',
+        createTime: '2025.07.25 09:20',
+        isTop: false,
+        parentId: 1
+      },
+      {
+        id: 4,
+        name: '教学PPT.pptx',
+        type: 'ppt',
+        size: '5MB',
+        creator: '王建国',
+        createTime: '2025.07.25 09:20',
+        isTop: false,
+        parentId: 1
+      },
+      {
+        id: 5,
+        name: '教学视频.mp4',
+        type: 'video',
+        size: '100MB',
+        creator: '王建国',
+        createTime: '2025.07.25 09:20',
+        isTop: false,
+        parentId: 1
+      },
+      {
+        id: 6,
+        name: '学习指南.pdf',
+        type: 'pdf',
+        size: '3MB',
+        creator: '王建国',
+        createTime: '2025.07.25 09:20',
+        isTop: false,
+        parentId: 1
+      }
+    ]
+  }
+]
+
+// 获取文件图标
+const getFileIcon = (type: string) => {
+  const iconMap: { [key: string]: string } = {
+    folder: '/images/teacher/folder.jpg',
+    excel: '/images/activity/xls.png',
+    word: '/images/activity/wrod.png',
+    pdf: '/images/activity/pdf.png',
+    ppt: '/images/activity/ppt.png',
+    video: '/images/activity/file.png',
+    image: '/images/activity/image.png'
+  }
+  return iconMap[type] || '/images/activity/file.png'
+}
+
+// 判断文件类型
+const isImage = (type: string) => ['jpg', 'jpeg', 'png', 'gif', 'bmp', 'webp', 'image'].includes(type)
+const isVideo = (type: string) => ['mp4', 'avi', 'mov', 'wmv', 'flv', 'webm', 'video'].includes(type)
+const isPdf = (type: string) => type === 'pdf'
+const isDocument = (type: string) => ['word', 'excel', 'ppt', 'txt'].includes(type)
+
+// 获取预览URL（实际项目中应该是真实的文件URL）
+const getPreviewUrl = (file: FileItem) => {
+  // 这里应该返回实际的文件预览URL
+  return `/api/files/preview/${file.id}`
+}
+
+// 格式化时间
+const formatTime = (timeStr: string) => {
+  return timeStr.replace(/\./g, '-')
+}
+
+// 根据ID查找文件
+const findFileById = (files: FileItem[], id: number): FileItem | null => {
+  for (const file of files) {
+    if (file.id === id) {
+      return file
+    }
+    if (file.children) {
+      const found = findFileById(file.children, id)
+      if (found) return found
+    }
+  }
+  return null
+}
+
+// 构建面包屑导航
+const buildBreadcrumbs = (file: FileItem) => {
+  const crumbs: FileItem[] = []
+  let current = file
+  
+  while (current) {
+    crumbs.unshift(current)
+    if (current.parentId) {
+      current = findFileById(mockFileData, current.parentId) as FileItem
+    } else {
+      break
+    }
+  }
+  
+  breadcrumbs.value = crumbs
+}
+
+// 加载文件数据
+const loadFile = (fileId: number) => {
+  const file = findFileById(mockFileData, fileId)
+  if (file) {
+    currentFile.value = file
+    buildBreadcrumbs(file)
+    
+    if (file.type === 'folder' && file.children) {
+      // 对文件夹内容进行排序：置顶文件在前
+      folderItems.value = [...file.children].sort((a, b) => {
+        if (a.isTop && !b.isTop) return -1
+        if (!a.isTop && b.isTop) return 1
+        return 0
+      })
+    }
+  } else {
+    message.error('文件不存在')
+    router.back()
+  }
+}
+
+// 查看文件/文件夹项目
+const viewItem = (_item: FileItem) => {
+  // 选中效果等功能待实现
+
+}
+
+// 打开文件/文件夹
+const openItem = (item: FileItem) => {
+  router.push({
+    name: 'FileViewer',
+    params: { fileId: item.id.toString() }
+  })
+}
+
+// 导航到面包屑位置
+const navigateTo = (crumb: FileItem) => {
+  if (crumb.id !== currentFile.value?.id) {
+    router.push({
+      name: 'FileViewer',
+      params: { fileId: crumb.id.toString() }
+    })
+  }
+}
+
+// 返回上一页
+const goBack = () => {
+  router.back()
+}
+
+// 下载文件
+const downloadFile = () => {
+  if (currentFile.value) {
+    // 这里实现文件下载逻辑
+    message.success(`开始下载：${currentFile.value.name}`)
+    
+    // 模拟下载
+    const link = document.createElement('a')
+    link.href = getPreviewUrl(currentFile.value)
+    link.download = currentFile.value.name
+    link.click()
+  }
+}
+
+// 组件挂载时加载数据
+onMounted(() => {
+  const fileId = parseInt(route.params.fileId as string)
+  if (fileId) {
+    loadFile(fileId)
+  }
+})
+
+// 监听路由参数变化
+const unwatchRoute = router.afterEach(() => {
+  const fileId = parseInt(route.params.fileId as string)
+  if (fileId) {
+    loadFile(fileId)
+  }
+})
+
+// 组件卸载时清理监听器
+onUnmounted(() => {
+  unwatchRoute()
+})
+</script>
+
+<style scoped>
+.file-viewer {
+  display: flex;
+  flex-direction: column;
+  height: 100vh;
+  background: #fff;
+}
+
+/* 顶部导航栏 */
+.header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 16px 24px;
+  border-bottom: 1px solid #e8e8e8;
+  background: #fff;
+  z-index: 10;
+}
+
+.nav-left {
+  display: flex;
+  align-items: center;
+  gap: 16px;
+}
+
+.back-btn {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 8px 16px;
+  background: #f5f5f5;
+  border: 1px solid #d9d9d9;
+  border-radius: 4px;
+  cursor: pointer;
+  font-size: 14px;
+  color: #666;
+  transition: all 0.3s;
+}
+
+.back-btn:hover {
+  background: #e6f7ff;
+  border-color: #0288d1;
+  color: #0288d1;
+}
+
+.back-btn img {
+  width: 16px;
+  height: 16px;
+}
+
+.breadcrumb {
+  display: flex;
+  align-items: center;
+  font-size: 14px;
+  color: #666;
+}
+
+.breadcrumb-item {
+  cursor: pointer;
+  transition: color 0.3s;
+}
+
+.breadcrumb-item:hover {
+  color: #0288d1;
+}
+
+.breadcrumb-item:last-child {
+  color: #333;
+  font-weight: 500;
+}
+
+.separator {
+  margin: 0 8px;
+  color: #ccc;
+}
+
+.nav-right .btn {
+  padding: 8px 16px;
+  border: none;
+  border-radius: 4px;
+  cursor: pointer;
+  font-size: 14px;
+  transition: all 0.3s;
+}
+
+.btn-primary {
+  background: #0288d1;
+  color: white;
+}
+
+.btn-primary:hover {
+  background: #0277bd;
+}
+
+/* 内容区域 */
+.content {
+  flex: 1;
+  overflow: auto;
+  padding: 24px;
+}
+
+/* 文件夹视图 */
+.folder-view {
+  max-width: 1200px;
+  margin: 0 auto;
+}
+
+.folder-header {
+  margin-bottom: 24px;
+}
+
+.folder-header h3 {
+  margin: 0 0 8px 0;
+  font-size: 24px;
+  color: #333;
+}
+
+.folder-info {
+  display: flex;
+  gap: 24px;
+  font-size: 14px;
+  color: #666;
+}
+
+.folder-content {
+  min-height: 400px;
+}
+
+.file-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
+  gap: 16px;
+}
+
+.file-item {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  padding: 16px;
+  border: 1px solid #e8e8e8;
+  border-radius: 8px;
+  cursor: pointer;
+  transition: all 0.3s;
+  background: #fff;
+}
+
+.file-item:hover {
+  border-color: #0288d1;
+  box-shadow: 0 2px 8px rgba(2, 136, 209, 0.1);
+  transform: translateY(-2px);
+}
+
+.file-icon {
+  position: relative;
+  margin-bottom: 12px;
+}
+
+.file-icon img {
+  width: 48px;
+  height: 48px;
+}
+
+.top-badge {
+  position: absolute;
+  top: -8px;
+  right: -8px;
+  background: #ff4d4f;
+  color: white;
+  font-size: 10px;
+  padding: 2px 6px;
+  border-radius: 10px;
+}
+
+.file-name {
+  font-size: 14px;
+  color: #333;
+  text-align: center;
+  word-break: break-word;
+  margin-bottom: 8px;
+  font-weight: 500;
+}
+
+.file-meta {
+  display: flex;
+  flex-direction: row;
+  align-items: center;
+  gap: 4px;
+  font-size: 12px;
+  color: #999;
+}
+
+.empty-state {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  padding: 80px 20px;
+  color: #999;
+}
+
+.empty-icon {
+  font-size: 64px;
+  margin-bottom: 16px;
+  opacity: 0.6;
+}
+
+/* 文件预览视图 */
+.file-preview {
+  max-width: 1000px;
+  margin: 0 auto;
+}
+
+.file-header {
+  margin-bottom: 24px;
+  padding-bottom: 16px;
+  border-bottom: 1px solid #e8e8e8;
+}
+
+.file-info {
+  display: flex;
+  align-items: center;
+  gap: 16px;
+}
+
+.file-type-icon {
+  width: 64px;
+  height: 64px;
+}
+
+.file-details h3 {
+  margin: 0 0 8px 0;
+  font-size: 20px;
+  color: #333;
+}
+
+.file-details .file-meta {
+  display: flex;
+  gap: 24px;
+  font-size: 14px;
+  color: #666;
+}
+
+.preview-content {
+  background: #f5f6fa;
+  border-radius: 8px;
+  padding: 32px 24px;
+  min-height: 500px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+/* 图片预览 */
+.image-preview img {
+  max-width: 100%;
+  max-height: 600px;
+  border-radius: 4px;
+  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+}
+
+/* 视频预览 */
+.video-preview video {
+  width: 100%;
+  max-width: 800px;
+  border-radius: 4px;
+}
+
+/* PDF预览 */
+.pdf-preview iframe {
+  width: 100%;
+  height: 600px;
+  border-radius: 4px;
+}
+
+/* 文档预览占位 */
+.document-preview,
+.unsupported-preview {
+  width: 100%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.document-placeholder,
+.unsupported-placeholder {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  text-align: center;
+  max-width: 400px;
+  padding: 40px 20px;
+  background: #fff;
+  border-radius: 12px;
+  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
+}
+
+.file-preview-icon {
+  margin-bottom: 24px;
+  padding: 20px;
+  background: #f8f9fa;
+  border-radius: 50%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.file-preview-icon img {
+  width: 64px;
+  height: 64px;
+  opacity: 0.8;
+}
+
+.file-preview-info {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 16px;
+}
+
+.file-preview-info h4 {
+  margin: 0;
+  font-size: 18px;
+  font-weight: 600;
+  color: #333;
+  word-break: break-word;
+  max-width: 100%;
+}
+
+.file-description {
+  margin: 0;
+  font-size: 14px;
+  color: #666;
+  line-height: 1.5;
+}
+
+/* 加载状态 */
+.loading-state {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  height: 400px;
+  color: #666;
+}
+
+.loading-spinner {
+  width: 32px;
+  height: 32px;
+  border: 3px solid #f3f3f3;
+  border-top: 3px solid #0288d1;
+  border-radius: 50%;
+  animation: spin 1s linear infinite;
+  margin-bottom: 16px;
+}
+
+@keyframes spin {
+  0% { transform: rotate(0deg); }
+  100% { transform: rotate(360deg); }
+}
+
+/* 响应式设计 */
+@media (max-width: 768px) {
+  .content {
+    padding: 16px;
+  }
+  
+  .file-grid {
+    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
+    gap: 12px;
+  }
+  
+  .folder-info {
+    flex-direction: column;
+    gap: 8px;
+  }
+  
+  .file-details .file-meta {
+    flex-direction: column;
+    gap: 8px;
+  }
+  
+  .preview-content {
+    padding: 20px 16px;
+  }
+  
+  .document-placeholder,
+  .unsupported-placeholder {
+    max-width: 100%;
+    padding: 32px 16px;
+  }
+  
+  .file-preview-icon {
+    margin-bottom: 20px;
+    padding: 16px;
+  }
+  
+  .file-preview-icon img {
+    width: 48px;
+    height: 48px;
+  }
+  
+  .file-preview-info h4 {
+    font-size: 16px;
+  }
+  
+  .file-description {
+    font-size: 13px;
+  }
+}
+</style>
diff --git a/src/views/teacher/course/FolderBrowser.vue b/src/views/teacher/course/FolderBrowser.vue
new file mode 100644
index 0000000..8341618
--- /dev/null
+++ b/src/views/teacher/course/FolderBrowser.vue
@@ -0,0 +1,630 @@
+<template>
+  <div class="folder-browser">
+    <!-- 顶部导航栏 -->
+    <div class="header">
+      <div class="nav-left">
+        <n-button quaternary circle size="large" @click="goBack" class="back-button">
+            <template #icon>
+                <n-icon>
+                    <ArrowBackOutline />
+                </n-icon>
+            </template>
+        </n-button>
+        <div class="breadcrumb">
+          <span 
+            v-for="(crumb, index) in breadcrumbs" 
+            :key="crumb.id"
+            class="breadcrumb-item"
+            @click="navigateTo(crumb)"
+          >
+            {{ crumb.name }}
+            <span v-if="index < breadcrumbs.length - 1" class="separator">></span>
+          </span>
+        </div>
+      </div>
+      <div class="nav-right">
+        <n-button type="primary" @click="addFile">
+          添加文件
+        </n-button>
+      </div>
+    </div>
+
+    <!-- 内容区域 -->
+    <div class="content">
+      <div class="folder-view">
+        <div class="folder-header">
+          <h3>{{ currentFolder?.name || '文件夹' }}</h3>
+          <div class="folder-info" v-if="currentFolder">
+            <span>创建时间：{{ currentFolder.createTime }}</span>
+            <span>创建人：{{ currentFolder.creator }}</span>
+          </div>
+        </div>
+        
+        <!-- 文件夹内容列表 -->
+        <div class="folder-content">
+          <div class="file-grid">
+            <div 
+              v-for="item in folderItems" 
+              :key="item.id"
+              class="file-item"
+              @click="selectItem(item)"
+              @dblclick="openItem(item)"
+              :class="{ 'selected': selectedItem?.id === item.id }"
+            >
+              <div class="file-icon">
+                <img :src="getFileIcon(item.type)" :alt="item.type" />
+                <div v-if="item.isTop" class="top-badge">置顶</div>
+              </div>
+              <div class="file-name" :title="item.name">{{ item.name }}</div>
+              <div class="file-meta">
+                <span class="file-size">{{ item.size }}</span>
+                <span class="file-time">{{ formatTime(item.createTime) }}</span>
+              </div>
+              <div class="file-actions">
+                <n-button @click.stop="viewItem(item)">查看</n-button>
+                <n-button @click.stop="downloadItem(item)" v-if="item.type !== 'folder'">下载</n-button>
+              </div>
+            </div>
+          </div>
+          
+          <!-- 空状态 -->
+          <div v-if="folderItems.length === 0" class="empty-state">
+            <div class="empty-icon">📁</div>
+            <p>该文件夹暂无内容</p>
+          </div>
+        </div>
+      </div>
+
+      <!-- 加载状态 -->
+      <div v-if="loading" class="loading-state">
+        <div class="loading-spinner"></div>
+        <p>加载中...</p>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ref, onMounted } from 'vue'
+import { useRoute, useRouter } from 'vue-router'
+import { useMessage } from 'naive-ui'
+import { ArrowBackOutline } from '@vicons/ionicons5'
+
+
+const route = useRoute()
+const router = useRouter()
+const message = useMessage()
+
+// 文件类型定义
+interface FileItem {
+  id: number
+  name: string
+  type: string
+  size: string
+  creator: string
+  createTime: string
+  isTop: boolean
+  children?: FileItem[]
+  parentId?: number
+}
+
+// 当前文件夹
+const currentFolder = ref<FileItem | null>(null)
+// 面包屑导航
+const breadcrumbs = ref<FileItem[]>([])
+// 文件夹内容
+const folderItems = ref<FileItem[]>([])
+// 选中的项目
+const selectedItem = ref<FileItem | null>(null)
+// 加载状态
+const loading = ref(false)
+
+// 模拟文件数据
+const mockFileData: FileItem[] = [
+  {
+    id: 1,
+    name: '教学资料文件夹',
+    type: 'folder',
+    size: '1MB',
+    creator: '王建国',
+    createTime: '2025.07.25 09:20',
+    isTop: true,
+    children: [
+      {
+        id: 2,
+        name: '课程大纲.xlsx',
+        type: 'excel',
+        size: '1MB',
+        creator: '王建国',
+        createTime: '2025.07.25 09:20',
+        isTop: false,
+        parentId: 1
+      },
+      {
+        id: 3,
+        name: '教学计划.docx',
+        type: 'word',
+        size: '2MB',
+        creator: '王建国',
+        createTime: '2025.07.25 09:20',
+        isTop: false,
+        parentId: 1
+      },
+      {
+        id: 4,
+        name: '子文件夹',
+        type: 'folder',
+        size: '0B',
+        creator: '王建国',
+        createTime: '2025.07.25 10:30',
+        isTop: false,
+        parentId: 1,
+        children: [
+          {
+            id: 5,
+            name: '深层文件.pdf',
+            type: 'pdf',
+            size: '3MB',
+            creator: '王建国',
+            createTime: '2025.07.25 11:00',
+            isTop: false,
+            parentId: 4
+          }
+        ]
+      }
+    ]
+  }
+]
+
+// 获取文件图标
+const getFileIcon = (type: string) => {
+  const iconMap: { [key: string]: string } = {
+    folder: '/images/teacher/folder.jpg',
+    excel: '/images/activity/xls.png',
+    word: '/images/activity/wrod.png',
+    pdf: '/images/activity/pdf.png',
+    ppt: '/images/activity/ppt.png',
+    video: '/images/activity/file.png',
+    image: '/images/activity/image.png'
+  }
+  return iconMap[type] || '/images/activity/file.png'
+}
+
+// 格式化时间
+const formatTime = (timeStr: string) => {
+  return timeStr.replace(/\./g, '-')
+}
+
+// 根据ID查找文件
+const findFileById = (files: FileItem[], id: number): FileItem | null => {
+  for (const file of files) {
+    if (file.id === id) {
+      return file
+    }
+    if (file.children) {
+      const found = findFileById(file.children, id)
+      if (found) return found
+    }
+  }
+  return null
+}
+
+// 构建面包屑导航
+const buildBreadcrumbs = (folder: FileItem) => {
+  const crumbs: FileItem[] = []
+  let current = folder
+  
+  while (current) {
+    crumbs.unshift(current)
+    if (current.parentId) {
+      current = findFileById(mockFileData, current.parentId) as FileItem
+    } else {
+      break
+    }
+  }
+  
+  breadcrumbs.value = crumbs
+}
+
+// 加载文件夹数据
+const loadFolder = (folderId: number) => {
+  loading.value = true
+  
+  setTimeout(() => {
+    const folder = findFileById(mockFileData, folderId)
+    if (folder && folder.type === 'folder') {
+      currentFolder.value = folder
+      buildBreadcrumbs(folder)
+      
+      if (folder.children) {
+        // 对文件夹内容进行排序：置顶文件在前
+        folderItems.value = [...folder.children].sort((a, b) => {
+          if (a.isTop && !b.isTop) return -1
+          if (!a.isTop && b.isTop) return 1
+          return 0
+        })
+      } else {
+        folderItems.value = []
+      }
+    } else {
+      message.error('文件夹不存在或不是有效的文件夹')
+      router.back()
+    }
+    loading.value = false
+  }, 500)
+}
+
+// 选中项目
+const selectItem = (item: FileItem) => {
+  selectedItem.value = item
+}
+
+// 打开项目（双击）
+const openItem = (item: FileItem) => {
+  if (item.type === 'folder') {
+    // 跳转到子文件夹
+    router.push({
+      name: 'FolderBrowser',
+      params: { 
+        id: route.params.id,
+        folderId: item.id.toString() 
+      }
+    })
+  } else {
+    // 跳转到文件查看页面
+    router.push({
+      name: 'FileViewer',
+      params: { 
+        id: route.params.id,
+        fileId: item.id.toString() 
+      }
+    })
+  }
+}
+
+// 查看项目
+const viewItem = (item: FileItem) => {
+  if (item.type === 'folder') {
+    openItem(item)
+  } else {
+    // 跳转到文件查看页面
+    router.push({
+      name: 'FileViewer',
+      params: { 
+        id: route.params.id,
+        fileId: item.id.toString() 
+      }
+    })
+  }
+}
+
+// 下载项目
+const downloadItem = (item: FileItem) => {
+  message.success(`开始下载：${item.name}`)
+  // 这里实现下载逻辑
+}
+
+// 导航到面包屑位置
+const navigateTo = (crumb: FileItem) => {
+  if (crumb.id !== currentFolder.value?.id) {
+    router.push({
+      name: 'FolderBrowser',
+      params: { 
+        id: route.params.id,
+        folderId: crumb.id.toString() 
+      }
+    })
+  }
+}
+
+// 返回上一页
+const goBack = () => {
+  router.back()
+}
+
+// 添加文件
+const addFile = () => {
+  message.info('添加文件功能')
+  // 这里可以打开文件上传模态框
+}
+
+// 组件挂载时加载数据
+onMounted(() => {
+  const folderId = parseInt(route.params.folderId as string)
+  if (folderId) {
+    loadFolder(folderId)
+  }
+})
+
+// 监听路由参数变化
+router.afterEach(() => {
+  const folderId = parseInt(route.params.folderId as string)
+  if (folderId && folderId !== currentFolder.value?.id) {
+    loadFolder(folderId)
+  }
+})
+</script>
+
+<style scoped>
+.folder-browser {
+  display: flex;
+  flex-direction: column;
+  height: 100vh;
+  background: #fff;
+}
+
+/* 顶部导航栏 */
+.header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 16px 24px;
+  border-bottom: 1px solid #e8e8e8;
+  background: #fff;
+  z-index: 10;
+}
+
+.nav-left {
+  display: flex;
+  align-items: center;
+  gap: 16px;
+}
+
+.back-btn {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 8px 16px;
+  background: #f5f5f5;
+  border: 1px solid #d9d9d9;
+  border-radius: 4px;
+  cursor: pointer;
+  font-size: 14px;
+  color: #666;
+  transition: all 0.3s;
+}
+
+.back-btn:hover {
+  background: #e6f7ff;
+  border-color: #0288d1;
+  color: #0288d1;
+}
+
+.breadcrumb {
+  display: flex;
+  align-items: center;
+  font-size: 14px;
+  color: #666;
+}
+
+.breadcrumb-item {
+  cursor: pointer;
+  transition: color 0.3s;
+}
+
+.breadcrumb-item:hover {
+  color: #0288d1;
+}
+
+.breadcrumb-item:last-child {
+  color: #333;
+  font-weight: 500;
+}
+
+.separator {
+  margin: 0 8px;
+  color: #ccc;
+}
+
+.nav-right .btn {
+  padding: 8px 16px;
+  border: none;
+  border-radius: 4px;
+  cursor: pointer;
+  font-size: 14px;
+  transition: all 0.3s;
+}
+
+.btn-primary {
+  background: #0288d1;
+  color: white;
+}
+
+.btn-primary:hover {
+  background: #0277bd;
+}
+
+/* 内容区域 */
+.content {
+  flex: 1;
+  overflow: auto;
+  padding: 24px;
+}
+
+.folder-view {
+  max-width: 1200px;
+  margin: 0 auto;
+}
+
+.folder-header {
+  margin-bottom: 24px;
+}
+
+.folder-header h3 {
+  margin: 0 0 8px 0;
+  font-size: 24px;
+  color: #333;
+}
+
+.folder-info {
+  display: flex;
+  gap: 24px;
+  font-size: 14px;
+  color: #666;
+}
+
+.folder-content {
+  min-height: 400px;
+}
+
+.file-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
+  gap: 16px;
+}
+
+.file-item {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  padding: 16px;
+  border: 1px solid #e8e8e8;
+  border-radius: 8px;
+  cursor: pointer;
+  transition: all 0.3s;
+  background: #fff;
+  position: relative;
+}
+
+.file-item:hover {
+  border-color: #0288d1;
+  box-shadow: 0 2px 8px rgba(2, 136, 209, 0.1);
+  transform: translateY(-2px);
+}
+
+.file-item.selected {
+  border-color: #0288d1;
+  box-shadow: 0 0 0 2px rgba(2, 136, 209, 0.2);
+}
+
+.file-icon {
+  position: relative;
+  margin-bottom: 12px;
+}
+
+.file-icon img {
+  width: 48px;
+  height: 48px;
+}
+
+.top-badge {
+  position: absolute;
+  top: -8px;
+  right: -8px;
+  background: #ff4d4f;
+  color: white;
+  font-size: 10px;
+  padding: 2px 6px;
+  border-radius: 10px;
+}
+
+.file-name {
+  font-size: 14px;
+  color: #333;
+  text-align: center;
+  word-break: break-word;
+  margin-bottom: 8px;
+  font-weight: 500;
+  min-height: 20px;
+}
+
+.file-meta {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 4px;
+  font-size: 12px;
+  color: #999;
+  margin-bottom: 12px;
+}
+
+.file-actions {
+  display: flex;
+  gap: 8px;
+  opacity: 0;
+  transition: opacity 0.3s;
+}
+
+.file-item:hover .file-actions {
+  opacity: 1;
+}
+
+.action-btn {
+  padding: 4px 8px;
+  border: 1px solid #0288d1;
+  background: white;
+  color: #0288d1;
+  border-radius: 4px;
+  cursor: pointer;
+  font-size: 12px;
+  transition: all 0.3s;
+}
+
+.action-btn:hover {
+  background: #0288d1;
+  color: white;
+}
+
+.empty-state {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  padding: 80px 20px;
+  color: #999;
+}
+
+.empty-icon {
+  font-size: 64px;
+  margin-bottom: 16px;
+  opacity: 0.6;
+}
+
+/* 加载状态 */
+.loading-state {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  height: 400px;
+  color: #666;
+}
+
+.loading-spinner {
+  width: 32px;
+  height: 32px;
+  border: 3px solid #f3f3f3;
+  border-top: 3px solid #0288d1;
+  border-radius: 50%;
+  animation: spin 1s linear infinite;
+  margin-bottom: 16px;
+}
+
+@keyframes spin {
+  0% { transform: rotate(0deg); }
+  100% { transform: rotate(360deg); }
+}
+
+/* 响应式设计 */
+@media (max-width: 768px) {
+  .content {
+    padding: 16px;
+  }
+  
+  .file-grid {
+    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
+    gap: 12px;
+  }
+  
+  .folder-info {
+    flex-direction: column;
+    gap: 8px;
+  }
+  
+  .nav-left {
+    flex-direction: column;
+    align-items: flex-start;
+    gap: 8px;
+  }
+}
+</style>
diff --git a/src/views/teacher/course/HomeworkLibrary.vue b/src/views/teacher/course/HomeworkLibrary.vue
index 5e6fdfb..ac2b9df 100644
--- a/src/views/teacher/course/HomeworkLibrary.vue
+++ b/src/views/teacher/course/HomeworkLibrary.vue
@@ -3,24 +3,22 @@
     <div class="toolbar">
       <h2>作业库</h2>
       <div class="toolbar-actions">
-        <button class="btn btn-primary" @click="handleAddHomework">添加作业</button>
-        <button class="btn btn-new" @click="handleImport">导入</button>
-        <button class="btn btn-new">导出</button>
-        <button class="btn btn-danger">删除</button>
+        <n-button type="primary" @click="handleAddHomework">添加作业</n-button>
+        <n-button @click="handleImport">导入</n-button>
+        <n-button>导出</n-button>
+        <n-button type="error">删除</n-button>
         <div class="search-box">
-          <input type="text" placeholder="请输入想要搜索的内容" />
-          <button class="btn btn-search">搜索</button>
+          <n-input v-model:value="searchValue" placeholder="请输入想要搜索的内容" clearable />
+          <n-button type="primary" @click="handleSearch">搜索</n-button>
         </div>
       </div>
     </div>
 
     <div class="content-area">
       <div class="table-container">
-        <n-config-provider :locale="zhCN" :date-locale="dateZhCN">
           <n-data-table :columns="columns" :data="sortedHomeworkList" :row-key="rowKey"
             :checked-row-keys="selectedHomework" @update:checked-row-keys="handleCheck" :bordered="false"
             :single-line="false" size="medium" class="homework-data-table" scroll-x="true" />
-        </n-config-provider>
       </div>
 
       <div class="pagination-container">
@@ -64,7 +62,7 @@
 <script setup lang="ts">
 import { ref, h, computed, onMounted, onUnmounted } from 'vue'
 import { useRouter, useRoute } from 'vue-router'
-import { NButton, NDropdown, NDataTable, NConfigProvider, zhCN, dateZhCN } from 'naive-ui'
+import { NButton, NDropdown, NDataTable, NInput } from 'naive-ui'
 import type { DataTableColumns } from 'naive-ui'
 
 // 作业类型定义
@@ -85,6 +83,9 @@ const route = useRoute()
 // 选中的作业行
 const selectedHomework = ref<number[]>([])
 
+// 搜索相关
+const searchValue = ref('')
+
 // 分页相关
 const currentPage = ref(1)
 const pageSize = ref(10)
@@ -462,6 +463,11 @@ const handleImport = () => {
   // 跳转到作业库模板导入页面
   router.push(`/teacher/course-editor/${route.params.id}/homework/template-import`)
 }
+
+const handleSearch = () => {
+  console.log('搜索内容:', searchValue.value)
+  // 这里可以添加搜索逻辑
+}
 </script>
 
 <style scoped>
@@ -507,118 +513,14 @@ const handleImport = () => {
   padding-bottom: 80px;
 }
 
-.btn {
-  padding: 7px 16px;
-  border: 1px solid #d9d9d9;
-  border-radius: 2px;
-  font-size: 14px;
-  cursor: pointer;
-  transition: all 0.3s;
-  background: #fff;
-  color: #666;
-}
-
-.btn:hover {
-  border-color: #40a9ff;
-  color: #40a9ff;
-}
-
-.btn-primary {
-  background: #0288D1;
-  border-color: #0288D1;
-  color: #fff;
-}
-
-.btn-primary:hover {
-  background: #40a9ff;
-  border-color: #40a9ff;
-}
-
-.btn-new {
-  background: #fff;
-  border-color: #0288D1;
-  color: #0288D1;
-}
-
-.btn-new:hover {
-  background: #0288D1;
-  color: #fff;
-}
-
-.btn-default {
-  background: #fff;
-  border-color: #0288D1;
-  color: #666;
-}
-
-.btn-default:disabled {
-  cursor: not-allowed;
-  opacity: 0.5;
-}
-
-.btn-danger {
-  border-color: #FF4D4F;
-  color: #FF4D4F;
-}
-
-.btn-danger:hover {
-  background: #FF4D4F;
-  color: #fff;
-}
-
-.btn-danger:disabled {
-  cursor: not-allowed;
-  opacity: 0.5;
-}
-
-.btn-small {
-  padding: 4px 8px;
-  font-size: 12px;
-}
-
-.btn-info {
-  border-color: #0288D1;
-  color: #0288D1;
-}
-
-.btn-more {
-  border-color: #0288D1;
-  color: #0288D1;
-  position: relative;
-}
-
 .search-box {
   display: flex;
   align-items: center;
-  border: 1px solid #F1F3F4;
-  border-radius: 2px;
-  overflow: hidden;
+  gap: 8px;
 }
 
-.search-box input {
-  border: none;
-  padding: 6px 12px;
-  outline: none;
+.search-box :deep(.n-input) {
   width: 200px;
-  font-size: 14px;
-  color: #333;
-}
-
-.search-box input::placeholder {
-  color: #999;
-}
-
-.btn-search {
-  background: #0288D1;
-  color: white;
-  border: none;
-  padding: 6px 16px;
-  cursor: pointer;
-  font-size: 16px;
-}
-
-.btn-search:hover {
-  background: #0288D1;
 }
 
 /* Naive UI 表格样式定制 */
@@ -888,10 +790,17 @@ const handleImport = () => {
     gap: 8px;
   }
 
-  .search-box input {
+  .search-box :deep(.n-input) {
     width: 150px;
   }
 
+  /* 响应式按钮样式调整 */
+  :deep(.toolbar-actions .n-button) {
+    font-size: 12px;
+    height: 28px;
+    padding: 0 12px;
+  }
+
   /* 表格在小屏幕下的优化 */
   :deep(.homework-data-table) {
     padding: 20px;
@@ -914,14 +823,14 @@ const handleImport = () => {
     font-size: 16px;
   }
 
-  .btn {
-    padding: 6px 12px;
-    font-size: 12px;
+  :deep(.toolbar-actions .n-button) {
+    font-size: 11px;
+    height: 28px;
+    padding: 0 10px;
   }
 
-  .search-box input {
+  .search-box :deep(.n-input) {
     width: 120px;
-    font-size: 12px;
   }
 
   /* 表格在移动端的优化 */
@@ -971,7 +880,7 @@ const handleImport = () => {
     width: 100%;
   }
 
-  .search-box input {
+  .search-box :deep(.n-input) {
     width: 100%;
   }
 
diff --git a/src/views/teacher/course/HomeworkReview.vue b/src/views/teacher/course/HomeworkReview.vue
index ee8e7fe..0f2757a 100644
--- a/src/views/teacher/course/HomeworkReview.vue
+++ b/src/views/teacher/course/HomeworkReview.vue
@@ -1,4 +1,4 @@
-<<template>
+<template>
   <div class="homework-review">
     <!-- 顶部筛选区域 -->
     <div class="top-section">
@@ -8,13 +8,15 @@
           @click="setActiveTab('publishing')">发布中</span>
         <span class="tab-item" :class="{ active: activeTab === 'ended' }" @click="setActiveTab('ended')">已结束</span>
       </div>
-      <div class="class-dropdown">
-        <span class="dropdown-text">班级名称</span>
-        <svg class="dropdown-arrow" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
-          <path
-            d="M3.14645 5.64645C3.34171 5.45118 3.65829 5.45118 3.85355 5.64645L8 9.79289L12.1464 5.64645C12.3417 5.45118 12.6583 5.45118 12.8536 5.64645C13.0488 5.84171 13.0488 6.15829 12.8536 6.35355L8.35355 10.8536C8.15829 11.0488 7.84171 11.0488 7.64645 10.8536L3.14645 6.35355C2.95118 6.15829 2.95118 5.84171 3.14645 5.64645Z"
-            fill="#C2C2C2"></path>
-        </svg>
+      <div class="class-select">
+        <n-select
+          v-model:value="selectedClass"
+          :options="classOptions"
+          placeholder="请选择班级"
+          clearable
+          style="width: 276px;"
+          @update:value="handleClassChange"
+        />
       </div>
     </div>
 
@@ -25,7 +27,6 @@
 
 
         <div v-if="homework.status === 'ended'" class="homework-card ended">
-          <a class="delete-link" @click="deleteHomework(homework.id)">删除</a>
           <div class="card-header">
             <h3 class="homework-title">{{ homework.title }}</h3>
             <span class="status-badge ended">已结束</span>
@@ -51,16 +52,16 @@
                 <span class="label secondary">{{ homework.submittedCount }}已交</span>
                 <span class="label secondary">{{ homework.unsubmittedCount }}未交</span>
               </div>
-              <button class="action-button review" @click="reviewHomework(homework.id)">批阅</button>
+              <n-space>
+                <n-button type="primary" @click="reviewHomework(homework.id)">批阅</n-button>
+                <n-button type="error" @click="deleteHomework(homework.id)">删除</n-button>
+              </n-space>
             </div>
           </div>
         </div>
 
         <!-- 发布中作业 -->
         <div v-if="homework.status === 'publishing'" class="homework-card publishing">
-          <a class="delete-link" @click="deleteHomework(homework.id)">删除</a>
-
-
           <div class="card-header">
             <h3 class="homework-title">{{ homework.title }}</h3>
             <span class="status-badge publishing">发布中</span>
@@ -86,7 +87,10 @@
                 <span class="label secondary">{{ homework.submittedCount }}已交</span>
                 <span class="label secondary">{{ homework.unsubmittedCount }}未交</span>
               </div>
-              <button class="action-button view" @click="viewHomework(homework.id)">查看</button>
+              <n-space>
+                <n-button type="primary" @click="viewHomework(homework.id)">查看</n-button>
+                <n-button type="error" @click="deleteHomework(homework.id)">删除</n-button>
+              </n-space>
             </div>
           </div>
         </div>
@@ -95,501 +99,558 @@
   </div>
 </template>
 
-<script setup lang="ts">
-import { ref, computed, onMounted, onUnmounted } from 'vue'
-import { useRouter } from 'vue-router'
+  <script setup lang="ts">
+  import { ref, computed, onMounted, onUnmounted } from 'vue'
+  import { NButton, NFlex, NSelect } from 'naive-ui'
+  import { useRouter } from 'vue-router'
 
-interface HomeworkItem {
-  id: number
-  title: string
-  content: string
-  publisher: string
-  timeRange: string
-  status: 'publishing' | 'ended'
-  pendingCount: number
-  submittedCount: number
-  unsubmittedCount: number
-}
-
-const router = useRouter()
-const activeTab = ref<'all' | 'publishing' | 'ended'>('all')
-
-// 屏幕宽度响应式数据
-const screenWidth = ref(window.innerWidth)
-
-// 监听窗口大小变化
-const handleResize = () => {
-  screenWidth.value = window.innerWidth
-}
-
-// 在组件挂载时添加事件监听器
-onMounted(() => {
-  window.addEventListener('resize', handleResize)
-})
-
-// 在组件卸载时移除事件监听器
-onUnmounted(() => {
-  window.removeEventListener('resize', handleResize)
-})
-
-const homeworks = ref<HomeworkItem[]>([
-  {
-    id: 1,
-    title: '作业名称作业名称作业名称作业名称',
-    content: '作业内容作业内容作业内容作业内容作业内容作业内容作业内容作业内容作业内容',
-    publisher: '王建国',
-    timeRange: '2025.8.18-2025.9.18',
-    status: 'ended',
-    pendingCount: 10,
-    submittedCount: 0,
-    unsubmittedCount: 0
-  },
-  {
-    id: 2,
-    title: '作业名称作业名称作业名称作业名称',
-    content: '作业内容作业内容作业内容作业内容作业内容作业内容作业内容作业内容作业内容',
-    publisher: '王建国',
-    timeRange: '2025.8.18-2025.9.18',
-    status: 'publishing',
-    pendingCount: 0,
-    submittedCount: 0,
-    unsubmittedCount: 0
+  interface HomeworkItem {
+    id: number
+    title: string
+    content: string
+    publisher: string
+    timeRange: string
+    status: 'publishing' | 'ended'
+    pendingCount: number
+    submittedCount: number
+    unsubmittedCount: number
   }
-])
 
-const setActiveTab = (tab: 'all' | 'publishing' | 'ended') => {
-  activeTab.value = tab
-}
+  const router = useRouter()
+  const activeTab = ref<'all' | 'publishing' | 'ended'>('all')
 
-const filteredHomeworks = computed(() => {
-  if (activeTab.value === 'all') {
-    return homeworks.value
+  // 班级选择相关
+  const selectedClass = ref<string | null>(null)
+  const classOptions = [
+    {
+      label: '全部班级',
+      value: 'all'
+    },
+    {
+      label: '软件工程一班',
+      value: 'class1'
+    },
+    {
+      label: '软件工程二班', 
+      value: 'class2'
+    },
+    {
+      label: '计算机科学一班',
+      value: 'class3'
+    },
+    {
+      label: '计算机科学二班',
+      value: 'class4'
+    },
+    {
+      label: '信息安全一班',
+      value: 'class5'
+    }
+  ]
+
+  // 屏幕宽度响应式数据
+  const screenWidth = ref(window.innerWidth)
+
+  // 监听窗口大小变化
+  const handleResize = () => {
+    screenWidth.value = window.innerWidth
   }
-  return homeworks.value.filter((homework: HomeworkItem) => homework.status === activeTab.value)
-})
 
-const reviewHomework = (id: number) => {
-  console.log('批阅作业:', id)
-  // 跳转到批阅详情页面
-  router.push(`/teacher/course-editor/1/homework/review/${id}`)
-}
+  // 在组件挂载时添加事件监听器
+  onMounted(() => {
+    window.addEventListener('resize', handleResize)
+  })
 
-const viewHomework = (id: number) => {
-  console.log('查看作业:', id)
-}
+  // 在组件卸载时移除事件监听器
+  onUnmounted(() => {
+    window.removeEventListener('resize', handleResize)
+  })
 
-const deleteHomework = (id: number) => {
-  console.log('删除作业:', id)
-}
+  const homeworks = ref<HomeworkItem[]>([
+    {
+      id: 1,
+      title: '作业名称作业名称作业名称作业名称',
+      content: '作业内容作业内容作业内容作业内容作业内容作业内容作业内容作业内容作业内容',
+      publisher: '王建国',
+      timeRange: '2025.8.18-2025.9.18',
+      status: 'ended',
+      pendingCount: 10,
+      submittedCount: 0,
+      unsubmittedCount: 0
+    },
+    {
+      id: 2,
+      title: '作业名称作业名称作业名称作业名称',
+      content: '作业内容作业内容作业内容作业内容作业内容作业内容作业内容作业内容作业内容',
+      publisher: '王建国',
+      timeRange: '2025.8.18-2025.9.18',
+      status: 'publishing',
+      pendingCount: 0,
+      submittedCount: 0,
+      unsubmittedCount: 0
+    }
+  ])
+
+  const setActiveTab = (tab: 'all' | 'publishing' | 'ended') => {
+    activeTab.value = tab
+  }
+
+  const handleClassChange = (value: string | null) => {
+    console.log('选中的班级:', value)
+    // 这里可以添加筛选逻辑
+  }
+
+  const filteredHomeworks = computed(() => {
+    if (activeTab.value === 'all') {
+      return homeworks.value
+    }
+    return homeworks.value.filter((homework: HomeworkItem) => homework.status === activeTab.value)
+  })
+
+  const reviewHomework = (id: number) => {
+    console.log('批阅作业:', id)
+    // 跳转到批阅详情页面
+    router.push(`/teacher/course-editor/1/homework/review/${id}`)
+  }
+
+  const viewHomework = (id: number) => {
+    console.log('查看作业:', id)
+  }
+
+  const deleteHomework = (id: number) => {
+    console.log('删除作业:', id)
+  }
 </script>
 
-<style scoped>
-.homework-review {
-  width: 100%;
-  background: #fff;
-  min-height: 100vh;
-}
+  <style scoped>
+  .homework-review {
+    width: 100%;
+    background: #fff;
+    min-height: 100vh;
+  }
 
-/* 顶部筛选区域 */
-.top-section {
-  display: flex;
-  justify-content: space-between;
-  align-items: center;
-  padding: 30px 0 0 25px;
-  margin-right: 30px;
-  background: #fff;
-  border-bottom: 1px solid #e5e5e5;
-}
-
-.filter-tabs {
-  display: flex;
-  gap: 50px;
-}
-
-.tab-item {
-  font-size: 18px;
-  font-weight: 400;
-  color: #333333;
-  cursor: pointer;
-  padding-top: 6px;
-  padding-bottom: 20px;
-  border-bottom: 3px solid transparent;
-  transition: all 0.3s ease;
-  position: relative;
-}
-
-.tab-item.active {
-  color: #5BADD9;
-  border-bottom: 4px solid #0288D1;
-}
-
-.tab-item:hover {
-  color: #2196F3;
-}
-
-.class-dropdown {
-  display: flex;
-  align-items: center;
-  padding: 8px 16px;
-  background: #fff;
-  border: 1px solid #e0e0e0;
-  border-radius: 2px;
-  margin-bottom: 20px;
-  cursor: pointer;
-  width: 276px;
-  justify-content: space-between;
-}
-
-.dropdown-text {
-  font-size: 14px;
-  color: #062333;
-}
-
-.dropdown-arrow {
-  width: 20px;
-  height: 20px;
-}
-
-/* 作业列表 */
-.homework-list {
-  padding: 0;
-}
-
-.homework-card {
-  background: #fff;
-  margin: 0;
-  border-bottom: 1px solid #f0f0f0;
-  padding: 20px 25px;
-  position: relative;
-  transition: background-color 0.3s ease;
-}
-
-.homework-card:hover {
-  background-color: #F5F5F5;
-}
-
-.homework-card:hover .delete-link {
-  opacity: 1;
-}
-
-.homework-card:last-child {
-  border-bottom: none;
-}
-
-/* 卡片头部 */
-.card-header {
-  display: flex;
-  justify-content: space-between;
-  align-items: center;
-  margin-bottom: 16px;
-}
-
-.homework-title {
-  font-size: 16px;
-  font-weight: 400;
-  color: #062333;
-  margin: 0;
-}
-
-.status-badge {
-  font-size: 16px;
-  font-weight: 400;
-  padding: 0;
-}
-
-.status-badge.ended {
-  color: #999999;
-}
-
-.status-badge.publishing {
-  color: #FF9800;
-}
-
-/* 卡片内容 */
-.card-content {
-  display: flex;
-  justify-content: space-between;
-  gap: 20px;
-}
-
-.content-left {
-  flex: 1;
-}
-
-.homework-desc {
-  font-size: 14px;
-  color: #666;
-  line-height: 1.5;
-  margin: 0 0 20px 0;
-}
-
-.homework-info {
-  display: flex;
-  gap: 30px;
-}
-
-.info-item {
-  display: flex;
-  align-items: center;
-  gap: 6px;
-}
-
-.info-item .icon {
-  width: 12px;
-  height: 12px;
-}
-
-.info-item .text {
-  font-size: 12px;
-  color: #999;
-}
-
-/* 右侧内容 */
-.content-right {
-  display: flex;
-  align-items: flex-end;
-  gap: 80px;
-}
-
-.delete-link {
-  position: absolute;
-  top: 50%;
-  right: 35%;
-  transform: translateY(-50%);
-  color: #2196F3;
-  font-size: 14px;
-  text-decoration: none;
-  cursor: pointer;
-  align-self: flex-start;
-  opacity: 0;
-}
-
-.delete-link:hover {
-  text-decoration: underline;
-}
-
-.stats-area {
-  display: flex;
-  align-items: flex-end;
-  gap: 15px;
-}
-
-.big-number {
-  font-size: 30px;
-  font-weight: bold;
-  color: #062333;
-  line-height: 0.9;
-}
-
-
-
-.label {
-  font-size: 12px;
-  line-height: 1.2;
-}
-
-.label.primary {
-  color: #062333;
-  font-weight: 500;
-}
-
-.label.secondary {
-  color: #999;
-}
-
-/* 操作按钮 */
-.action-button {
-  background: #0288D1;
-  color: white;
-  border: none;
-  padding: 6px 24px;
-  border-radius: 2px;
-  font-size: 16px;
-  cursor: pointer;
-  transition: background 0.3s ease;
-  min-width: 92px;
-}
-
-.action-button:hover {
-  background: #0288D1;
-}
-
-.action-button.review {}
-
-.action-button.view {
-  background: #0288D1;
-}
-
-/* 发布中状态特殊布局调整 */
-.homework-card.publishing .content-right {
-  position: relative;
-}
-
-.homework-card.publishing .stats-area {
-  margin-top: 20px;
-}
-/* 响应式样式 */
-@media (max-width: 1200px) {
+  /* 顶部筛选区域 */
   .top-section {
-    flex-direction: column;
-    gap: 20px;
-    align-items: flex-start;
-    padding: 20px 0 0 20px;
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    padding: 30px 0 0 25px;
+    margin-right: 30px;
+    background: #fff;
+    border-bottom: 1px solid #e5e5e5;
   }
 
   .filter-tabs {
-    gap: 30px;
+    display: flex;
+    gap: 50px;
   }
 
   .tab-item {
-    font-size: 16px;
+    font-size: 18px;
+    font-weight: 400;
+    color: #333333;
+    cursor: pointer;
+    padding-top: 6px;
+    padding-bottom: 20px;
+    border-bottom: 3px solid transparent;
+    transition: all 0.3s ease;
+    position: relative;
   }
 
-  /* 作业卡片在小屏幕下的优化 */
-  .homework-card {
-    margin: 15px 20px;
+  .tab-item.active {
+    color: #5BADD9;
+    border-bottom: 4px solid #0288D1;
   }
 
-  .card-content {
-    flex-direction: column;
-    gap: 20px;
+  .tab-item:hover {
+    color: #2196F3;
   }
 
-  .content-right {
-    align-self: flex-start;
-  }
-}
-
-@media (max-width: 768px) {
-  .top-section {
-    padding: 15px 0 0 15px;
+  .class-select {
+    display: flex;
+    align-items: center;
+    margin-bottom: 20px;
   }
 
-  .filter-tabs {
-    gap: 20px;
-  }
-
-  .tab-item {
-    font-size: 14px;
-    padding-bottom: 15px;
-  }
-
-  .dropdown-text {
+  /* Naive UI Select 组件样式定制 */
+  :deep(.class-select .n-base-selection) {
+    background: #fff;
+    border: 1px solid #e0e0e0;
+    border-radius: 2px;
     font-size: 14px;
   }
 
-  /* 作业卡片在移动端的优化 */
-  .homework-card {
-    margin: 10px 15px;
-    padding: 15px;
+  :deep(.class-select .n-base-selection:hover) {
+    border-color: #0288D1;
   }
 
+  :deep(.class-select .n-base-selection.n-base-selection--focus) {
+    border-color: #0288D1;
+    box-shadow: 0 0 0 2px rgba(2, 136, 209, 0.1);
+  }
+
+  :deep(.class-select .n-base-selection-input) {
+    color: #062333;
+  }
+
+  :deep(.class-select .n-base-selection-placeholder) {
+    color: #999;
+  }
+
+  /* 作业列表 */
+  .homework-list {
+    padding: 0;
+  }
+
+  .homework-card {
+    background: #fff;
+    margin: 0;
+    border-bottom: 1px solid #f0f0f0;
+    padding: 20px 25px;
+    position: relative;
+    transition: background-color 0.3s ease;
+  }
+
+  .homework-card:hover {
+    background-color: #F5F5F5;
+  }
+
+  .homework-card:hover .delete-link {
+    opacity: 1;
+  }
+
+  .homework-card:last-child {
+    border-bottom: none;
+  }
+
+  /* 卡片头部 */
   .card-header {
-    flex-direction: column;
-    gap: 10px;
-    align-items: flex-start;
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    margin-bottom: 16px;
   }
 
   .homework-title {
     font-size: 16px;
+    font-weight: 400;
+    color: #062333;
+    margin: 0;
   }
 
   .status-badge {
-    font-size: 12px;
-    padding: 4px 8px;
+    font-size: 16px;
+    font-weight: 400;
+    padding: 0;
+  }
+
+  .status-badge.ended {
+    color: #999999;
+  }
+
+  .status-badge.publishing {
+    color: #FF9800;
+  }
+
+  /* 卡片内容 */
+  .card-content {
+    display: flex;
+    justify-content: space-between;
+    gap: 20px;
+  }
+
+  .content-left {
+    flex: 1;
   }
 
   .homework-desc {
     font-size: 14px;
-    line-height: 1.4;
+    color: #666;
+    line-height: 1.5;
+    margin: 0 0 20px 0;
+  }
+
+  .homework-info {
+    display: flex;
+    gap: 30px;
   }
 
   .info-item {
-    gap: 8px;
+    display: flex;
+    align-items: center;
+    gap: 6px;
+  }
+
+  .info-item .icon {
+    width: 12px;
+    height: 12px;
   }
 
   .info-item .text {
     font-size: 12px;
+    color: #999;
   }
 
-  .stats-area {
-    flex-direction: column;
-    gap: 8px;
-    align-items: flex-start;
-  }
-
-  .big-number {
-    font-size: 24px;
-  }
-
-  .label {
-    font-size: 12px;
-  }
-
-  .action-button {
-    width: 100%;
-    margin-top: 10px;
-  }
-}
-
-@media (max-width: 480px) {
-  .top-section {
-    padding: 10px 0 0 10px;
-  }
-
-  .filter-tabs {
-    gap: 15px;
-  }
-
-  .tab-item {
-    font-size: 13px;
-    padding-bottom: 10px;
-  }
-
-  /* 作业卡片在超小屏幕下的优化 */
-  .homework-card {
-    margin: 8px 10px;
-    padding: 12px;
-  }
-
-  .homework-title {
-    font-size: 14px;
-  }
-
-  .homework-desc {
-    font-size: 13px;
-  }
-
-  .info-item .text {
-    font-size: 11px;
-  }
-
-  .big-number {
-    font-size: 20px;
-  }
-
-  .label {
-    font-size: 11px;
+  /* 右侧内容 */
+  .content-right {
+    display: flex;
+    align-items: flex-end;
+    gap: 80px;
   }
 
   .delete-link {
-    font-size: 12px;
+    position: absolute;
+    top: 50%;
+    right: 35%;
+    transform: translateY(-50%);
+    color: #2196F3;
+    font-size: 14px;
+    text-decoration: none;
+    cursor: pointer;
+    align-self: flex-start;
+    opacity: 0;
   }
-}
 
-/* 确保内容不会溢出 */
-.homework-card {
-  word-break: break-word;
-  overflow-wrap: break-word;
-}
+  .delete-link:hover {
+    text-decoration: underline;
+  }
 
-.homework-title {
-  word-break: break-word;
-  overflow-wrap: break-word;
-}
+  .stats-area {
+    display: flex;
+    align-items: flex-end;
+    gap: 15px;
+  }
 
-.homework-desc {
-  word-break: break-word;
-  overflow-wrap: break-word;
-}
-</style>>
\ No newline at end of file
+  .big-number {
+    font-size: 30px;
+    font-weight: bold;
+    color: #062333;
+    line-height: 0.9;
+  }
+
+
+
+  .label {
+    font-size: 12px;
+    line-height: 1.2;
+  }
+
+  .label.primary {
+    color: #062333;
+    font-weight: 500;
+  }
+
+  .label.secondary {
+    color: #999;
+  }
+
+  /* 操作按钮 */
+  .action-button {
+    background: #0288D1;
+    color: white;
+    border: none;
+    padding: 6px 24px;
+    border-radius: 2px;
+    font-size: 16px;
+    cursor: pointer;
+    transition: background 0.3s ease;
+    min-width: 92px;
+  }
+
+  .action-button:hover {
+    background: #0288D1;
+  }
+
+  .action-button.review {}
+
+  .action-button.view {
+    background: #0288D1;
+  }
+
+  /* 发布中状态特殊布局调整 */
+  .homework-card.publishing .content-right {
+    position: relative;
+  }
+
+  .homework-card.publishing .stats-area {
+    margin-top: 20px;
+  }
+
+  /* 响应式样式 */
+  @media (max-width: 1200px) {
+    .top-section {
+      flex-direction: column;
+      gap: 20px;
+      align-items: flex-start;
+      padding: 20px 0 0 20px;
+    }
+
+    .filter-tabs {
+      gap: 30px;
+    }
+
+    .tab-item {
+      font-size: 16px;
+    }
+
+    .class-select {
+      width: 100%;
+    }
+
+    :deep(.class-select .n-base-selection) {
+      width: 100%;
+    }
+
+    /* 作业卡片在小屏幕下的优化 */
+    .homework-card {
+      margin: 15px 20px;
+    }
+
+    .card-content {
+      flex-direction: column;
+      gap: 20px;
+    }
+
+    .content-right {
+      align-self: flex-start;
+    }
+  }
+
+  @media (max-width: 768px) {
+    .top-section {
+      padding: 15px 0 0 15px;
+    }
+
+    .filter-tabs {
+      gap: 20px;
+    }
+
+    .tab-item {
+      font-size: 14px;
+      padding-bottom: 15px;
+    }
+
+    .class-select {
+      width: 100%;
+    }
+
+    :deep(.class-select .n-base-selection) {
+      width: 100%;
+      font-size: 13px;
+    }
+
+    /* 作业卡片在移动端的优化 */
+    .homework-card {
+      margin: 10px 15px;
+      padding: 15px;
+    }
+
+    .card-header {
+      flex-direction: column;
+      gap: 10px;
+      align-items: flex-start;
+    }
+
+    .homework-title {
+      font-size: 16px;
+    }
+
+    .status-badge {
+      font-size: 12px;
+      padding: 4px 8px;
+    }
+
+    .homework-desc {
+      font-size: 14px;
+      line-height: 1.4;
+    }
+
+    .info-item {
+      gap: 8px;
+    }
+
+    .info-item .text {
+      font-size: 12px;
+    }
+
+    .stats-area {
+      flex-direction: column;
+      gap: 8px;
+      align-items: flex-start;
+    }
+
+    .big-number {
+      font-size: 24px;
+    }
+
+    .label {
+      font-size: 12px;
+    }
+
+    .action-button {
+      width: 100%;
+      margin-top: 10px;
+    }
+  }
+
+  @media (max-width: 480px) {
+    .top-section {
+      padding: 10px 0 0 10px;
+    }
+
+    .filter-tabs {
+      gap: 15px;
+    }
+
+    .tab-item {
+      font-size: 13px;
+      padding-bottom: 10px;
+    }
+
+    /* 作业卡片在超小屏幕下的优化 */
+    .homework-card {
+      margin: 8px 10px;
+      padding: 12px;
+    }
+
+    .homework-title {
+      font-size: 14px;
+    }
+
+    .homework-desc {
+      font-size: 13px;
+    }
+
+    .info-item .text {
+      font-size: 11px;
+    }
+
+    .big-number {
+      font-size: 20px;
+    }
+
+    .label {
+      font-size: 11px;
+    }
+
+    .delete-link {
+      font-size: 12px;
+    }
+  }
+
+  /* 确保内容不会溢出 */
+  .homework-card {
+    word-break: break-word;
+    overflow-wrap: break-word;
+  }
+
+  .homework-title {
+    word-break: break-word;
+    overflow-wrap: break-word;
+  }
+
+  .homework-desc {
+    word-break: break-word;
+    overflow-wrap: break-word;
+  }
+</style>
\ No newline at end of file
diff --git a/src/views/teacher/course/HomeworkReviewDetail.vue b/src/views/teacher/course/HomeworkReviewDetail.vue
index 9b04b7d..cbc2526 100644
--- a/src/views/teacher/course/HomeworkReviewDetail.vue
+++ b/src/views/teacher/course/HomeworkReviewDetail.vue
@@ -3,6 +3,16 @@
     <!-- 顶部区域 -->
     <div class="top-section">
       <!-- 左侧标签页 - 使用 Naive UI Tabs -->
+      <div class="back-button">
+        <n-button quaternary circle size="large" @click="goBack">
+          <template #icon>
+            <n-icon>
+              <ArrowBackOutline />
+            </n-icon>
+          </template>
+        </n-button>
+      </div>
+
       <div class="tabs-container">
         <n-tabs v-model:value="activeTab" type="line" animated>
           <n-tab-pane name="all" tab="全部" />
@@ -13,35 +23,23 @@
 
       <!-- 右侧按钮和搜索 -->
       <div class="actions-container">
-                 <n-button class="action-btn export-btn" ghost type="primary" size="small">导出</n-button>
-         <n-button class="action-btn remove-btn" ghost type="error" size="small">移除</n-button>
-                 <div class="search-container">
-           <n-input-group>
-             <n-input 
-               v-model:value="searchText" 
-               placeholder="请输入学生姓名" 
-               :style="{ width: '200px' }"
-               size="medium"
-             />
-             <n-button type="primary" size="medium">
-               搜索
-             </n-button>
-           </n-input-group>
-         </div>
+        <n-button class="action-btn export-btn" ghost type="primary" size="small">导出</n-button>
+        <n-button class="action-btn remove-btn" ghost type="error" size="small">移除</n-button>
+        <div class="search-container">
+          <n-input-group>
+            <n-input v-model:value="searchText" placeholder="请输入学生姓名" :style="{ width: '200px' }" size="medium" />
+            <n-button type="primary" size="medium">
+              搜索
+            </n-button>
+          </n-input-group>
+        </div>
       </div>
     </div>
 
     <!-- 数据表格 - 使用 Naive UI Table -->
     <div class="table-container">
-      <n-data-table
-        :columns="activeTab === 'unsubmitted' ? unsubmittedColumns : columns"
-        :data="filteredData"
-        :pagination="false"
-        :bordered="false"
-        :single-line="false"
-        size="medium"
-        :row-key="(row) => row.id"
-      />
+      <n-data-table :columns="activeTab === 'unsubmitted' ? unsubmittedColumns : columns" :data="filteredData"
+        :pagination="false" :bordered="false" :single-line="false" size="medium" :row-key="(row) => row.id" />
     </div>
   </div>
 </template>
@@ -49,14 +47,15 @@
 <script setup lang="ts">
 import { ref, computed, h } from 'vue'
 import { useRouter, useRoute } from 'vue-router'
-import { 
-  NTabs, 
-  NTabPane, 
-  NDataTable, 
-  NButton, 
-  NInput, 
+import { ArrowBackOutline } from '@vicons/ionicons5'
+import {
+  NTabs,
+  NTabPane,
+  NDataTable,
+  NButton,
+  NInput,
   NInputGroup,
-  type DataTableColumns 
+  type DataTableColumns
 } from 'naive-ui'
 
 interface HomeworkSubmission {
@@ -178,7 +177,7 @@ const filteredData = computed(() => {
 
   // 根据搜索文本过滤
   if (searchText.value.trim()) {
-    filtered = filtered.filter((item: HomeworkSubmission) => 
+    filtered = filtered.filter((item: HomeworkSubmission) =>
       item.name.includes(searchText.value.trim())
     )
   }
@@ -361,9 +360,11 @@ const unsubmittedColumns: DataTableColumns<HomeworkSubmission> = [
       ])
     }
   }
- ]
-
+]
 
+const goBack = () => {
+  router.back()
+}
 </script>
 
 <style scoped>
@@ -381,6 +382,11 @@ const unsubmittedColumns: DataTableColumns<HomeworkSubmission> = [
   align-items: center;
 }
 
+.back-button {
+  border-bottom: 1.5px solid #E6E6E6;
+  padding: 11px;
+}
+
 /* 左侧标签页 */
 .tabs-container {
   flex: 1;
@@ -531,7 +537,7 @@ const unsubmittedColumns: DataTableColumns<HomeworkSubmission> = [
     gap: 20px;
     align-items: flex-start;
   }
-  
+
   .actions-container {
     width: 100%;
     justify-content: flex-end;
@@ -539,26 +545,26 @@ const unsubmittedColumns: DataTableColumns<HomeworkSubmission> = [
 }
 
 @media (max-width: 768px) {
-  
+
   .actions-container {
     flex-direction: column;
     align-items: stretch;
     gap: 10px;
   }
-  
+
   .search-container {
     width: 100%;
   }
-  
+
   .search-input {
     width: 100%;
   }
-  
+
   .operations-container {
     flex-direction: column;
     gap: 4px;
   }
-  
+
   .operation-btn {
     width: 100%;
     text-align: center;
diff --git a/src/views/teacher/course/HomeworkTemplateImport.vue b/src/views/teacher/course/HomeworkTemplateImport.vue
index 8915cec..9c3febe 100644
--- a/src/views/teacher/course/HomeworkTemplateImport.vue
+++ b/src/views/teacher/course/HomeworkTemplateImport.vue
@@ -3,8 +3,13 @@
 
     <!-- 消息提示组件 -->
     <MessageComponent ref="messageRef" />
-
-
+       <n-button quaternary circle size="large" @click="goBack" class="back-button">
+          <template #icon>
+              <n-icon>
+                  <ArrowBackOutline />
+              </n-icon>
+          </template>
+      </n-button>
          <!-- 操作按钮区域 -->
      <div class="action-buttons">
        <button class="btn btn-primary" @click="startImport">
@@ -35,7 +40,6 @@
     </div>
 
 
-
     <!-- 隐藏的文件上传输入 -->
     <input 
       ref="fileInput" 
@@ -49,7 +53,11 @@
 
 <script setup lang="ts">
 import { ref } from 'vue'
+import { ArrowBackOutline} from '@vicons/ionicons5'
 import MessageComponent from '@/components/MessageComponent.vue'
+import { useRouter } from 'vue-router'
+
+const router = useRouter()
 
 const fileInput = ref<HTMLInputElement>()
 const messageRef = ref<InstanceType<typeof MessageComponent>>()
@@ -128,7 +136,9 @@ const startImport = async () => {
   }
 }
 
-
+const goBack = () => {
+  router.back()
+}
 </script>
 
 <style scoped>
diff --git a/src/views/teacher/course/ResourceSelectionModal.vue b/src/views/teacher/course/ResourceSelectionModal.vue
index 334ec78..4872b4f 100644
--- a/src/views/teacher/course/ResourceSelectionModal.vue
+++ b/src/views/teacher/course/ResourceSelectionModal.vue
@@ -31,7 +31,7 @@
             <img :src="file.thumbnail" :alt="file.name" />
           </div>
           <div class="file-name">{{ file.name }}</div>
-          <div class="file-options">
+          <!-- <div class="file-options">
             <n-dropdown :options="fileMenuOptions" @select="(key: string) => handleFileMenuSelect(key, file)">
               <n-button quaternary size="small" class="file-menu-btn">
                 <template #icon>
@@ -43,7 +43,7 @@
                 </template>
               </n-button>
             </n-dropdown>
-          </div>
+          </div> -->
         </div>
       </div>
     </div>
@@ -135,10 +135,10 @@ const filteredFiles = computed(() => {
 const selectedFile = ref<any>(null)
 
 // 文件菜单选项
-const fileMenuOptions = [
-  { label: '重命名', key: 'rename' },
-  { label: '删除', key: 'delete' }
-]
+// const fileMenuOptions = [
+//   { label: '重命名', key: 'rename' },
+//   { label: '删除', key: 'delete' }
+// ]
 
 // 搜索文件
 const searchFiles = () => {
@@ -173,17 +173,17 @@ const selectFile = (file: any, event?: Event) => {
 }
 
 // 处理文件菜单选择
-const handleFileMenuSelect = (key: string, file: any) => {
-  if (key === 'delete') {
-    console.log('删除文件:', file)
-    files.value = files.value.filter(f => f.id !== file.id)
-    if (selectedFile.value && selectedFile.value.id === file.id) {
-      selectedFile.value = null
-    }
-  } else if (key === 'rename') {
-    console.log('重命名文件:', file)
-  }
-}
+// const handleFileMenuSelect = (key: string, file: any) => {
+//   if (key === 'delete') {
+//     console.log('删除文件:', file)
+//     files.value = files.value.filter(f => f.id !== file.id)
+//     if (selectedFile.value && selectedFile.value.id === file.id) {
+//       selectedFile.value = null
+//     }
+//   } else if (key === 'rename') {
+//     console.log('重命名文件:', file)
+//   }
+// }
 
 // 处理取消按钮
 const handleCancel = () => {
diff --git a/src/views/teacher/course/UploadFileModal.vue b/src/views/teacher/course/UploadFileModal.vue
index 98cd0e2..ff401e3 100644
--- a/src/views/teacher/course/UploadFileModal.vue
+++ b/src/views/teacher/course/UploadFileModal.vue
@@ -1,44 +1,48 @@
 <template>
   <div class="modal-container flex-col" @click.stop>
-    <span class="modal-title">上传文件</span>
+    <h2 class="modal-title">上传文件</h2>
+     <n-divider />
     <div class="upload-area flex-row">
       <span class="upload-label">上传文件：</span>
-      <div class="select-file-btn flex-col" @click="toggleDropdown" style="position: relative;">
-        <span class="btn-text">选择文件</span>
-        <!-- 下拉选项 -->
-        <div v-show="showDropdown" class="upload-methods flex-col">
-          <label class="local-upload" @click="openLocalUpload">
-            <!-- <input type="file" @change="handleLocalUpload" style="display: none;"
-              accept=".doc,.docx,.pdf,.xls,.xlsx,.ppt,.pptx,.mp3,.mp4" /> -->
-            本地上传
-          </label>
-          <label class="resource-upload" @click="openResourceModal">
-            <!-- <input type="file" @change="handleResourceUpload" style="display: none;"
-              accept=".doc,.docx,.pdf,.xls,.xlsx,.ppt,.pptx,.mp3,.mp4" /> -->
-            资源上传
-          </label>
+      <n-popselect 
+        :options="uploadOptions"
+        trigger="click"
+        placement="bottom-start"
+        @update:value="handleUploadOptionSelect"
+        :render-label="renderUploadOption"
+      >
+        <div class="select-file-btn flex-col">
+          <span class="btn-text">选择文件</span>
         </div>
-      </div>
+      </n-popselect>
     </div>
     <div class="supported-formats flex-row">
       <span class="formats-label">支持格式：</span>
-      <span class="document-formats">文本文：.doc、.docx、.pdf表格文件：.xls、.xlsx<br />演示文稿：.ppt、.pptx</span>
-      <span class="media-formats">音频文件：.mp3<br />视频文件：.mp4<br /></span>
-    </div>
-    <div class="upload-limits flex-row justify-between">
-      <span class="limits-label">上传限制：</span>
-      <span class="limits-description">word、excel、ppt文件需小于100MB，其他文件需小于2GB.mp4格式编码<br />说明（上传mp4格式文件请查看编码说明）</span>
-    </div>
-    <div class="action-buttons flex-row justify-between">
-      <div class="cancel-btn-container flex-col">
-        <div class="cancel-btn flex-col" @click="handleCancel">
-          <span class="cancel-btn-text">取消</span>
+      <div class="formats-content flex-col">
+        <div class="format-row flex-row">
+          <span class="document-formats">文本文：.doc、.docx、.pdf</span>
+          <span class="media-formats">音频文件：.mp3</span>
+        </div>
+        <div class="format-row flex-row">
+          <span class="document-formats">表格文件：.xls、.xlsx</span>
+          <span class="media-formats">视频文件：.mp4</span>
+        </div>
+        <div class="format-row">
+          <span class="document-formats">演示文稿：.ppt、.pptx</span>
         </div>
       </div>
-      <div class="confirm-btn flex-col" @click="handleConfirm">
-        <span class="confirm-btn-text">确定</span>
+    </div>
+    <div class="upload-limits flex-row">
+      <span class="limits-label">上传限制：</span>
+      <div class="limits-content flex-col">
+        <span class="limits-description">word、excel、ppt文件需小于100MB，其他文件需小于2GB.mp4格式编码</span>
+        <span class="limits-description">说明（上传mp4格式文件请查看编码说明）</span>
       </div>
     </div>
+    <div class="action-buttons flex-row justify-between">
+      <n-button @click="handleCancel">取消</n-button>
+      <n-button type="primary" @click="handleConfirm">确定</n-button>
+    </div>
 
     <!-- 资源选择模态框 -->
     <ResourceSelectionModal v-model:show="showResourceModal" @select="handleResourceSelection" />
@@ -49,21 +53,43 @@
 </template>
 
 <script setup lang="ts">
-import { ref } from 'vue'
+import { ref, h } from 'vue'
 import ResourceSelectionModal from './ResourceSelectionModal.vue'
 import LocalUploadModal from './LocalUploadModal.vue'
 
-// 控制下拉菜单显示
-const showDropdown = ref(false)
+// 上传选项数据
+const uploadOptions = ref([
+  { label: '本地上传', value: 'local' },
+  { label: '资源上传', value: 'resource' }
+])
+
+// 渲染上传选项标签
+const renderUploadOption = (option: any) => {
+  return h('span', {
+    style: {
+      display: 'flex',
+      alignItems: 'center',
+      justifyContent: 'center',
+      padding: '5px 0'
+    }
+  }, option.label)
+}
+
+// 处理上传选项选择
+const handleUploadOptionSelect = (value: string) => {
+  console.log('选中的上传方式:', value)
+  if (value === 'local') {
+    // 触发本地上传
+    openLocalUpload()
+  } else if (value === 'resource') {
+    // 触发资源上传
+    openResourceModal()
+  }
+}
 
 // 控制本地上传模态框显示
 const showLocalUploadModal = ref(false)
 
-// 切换下拉菜单
-const toggleDropdown = () => {
-  showDropdown.value = !showDropdown.value
-}
-
 // 处理本地上传
 // const handleLocalUpload = (event: Event) => {
 //   const target = event.target as HTMLInputElement
@@ -89,7 +115,6 @@ const toggleDropdown = () => {
 // 打开本地资源模态框
 const openLocalUpload = () => {
   showLocalUploadModal.value = true
-  showDropdown.value = false
 }
 
 // 关闭本地上传模态框
@@ -108,7 +133,6 @@ const handleUploadMore = () => {
 const openResourceModal = () => {
   console.log('打开资源选择模态框')
   showResourceModal.value = true // 打开资源选择模态框
-  showDropdown.value = false // 关闭下拉菜单
 }
 
 // 控制资源选择模态框的显示
@@ -140,12 +164,11 @@ const handleConfirm = () => {
 <style scoped>
 .modal-container {
   width: 1076px;
-  height: 623px;
+  /* height: 623px; */
   background: #FFFFFF;
   background-size: 100% 100%;
   margin: 0 auto;
   border-radius: 8px;
-  padding-top: 20px;
   box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
 }
 
@@ -169,7 +192,7 @@ const handleConfirm = () => {
   background: #FCFCFC;
   background-size: 100% 100%;
   margin: 46px 0 0 22px;
-  border: 1px solid rgba(204, 204, 204, 1);
+  border: 1px solid rgb(233, 233, 233);
   display: flex;
 }
 
@@ -212,72 +235,24 @@ const handleConfirm = () => {
   justify-content: center;
 }
 
-.upload-methods {
-  position: absolute;
-  top: 100%;
-  left: 0;
-  width: 123px;
-  height: 76px;
-  background: #FFFFFF;
-  border: 1px solid #e0e0e0;
-  border-radius: 4px;
-  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
-  z-index: 1000;
-  margin: 0;
-}
 
-.local-upload {
-  width: 100%;
-  height: 30px;
-  overflow-wrap: break-word;
-  color: rgba(51, 51, 51, 1);
-  font-size: 14px;
-  font-family: Helvetica, 'Microsoft YaHei', Arial, sans-serif;
-  font-weight: normal;
-  text-align: center;
-  white-space: nowrap;
-  line-height: 30px;
-  margin: 0;
-  cursor: pointer;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  padding: 5px 0;
-  transition: background-color 0.3s ease;
-}
-
-.local-upload:hover {
-  background-color: #f5f5f5;
-}
-
-.resource-upload {
-  width: 100%;
-  height: 30px;
-  overflow-wrap: break-word;
-  color: rgba(51, 51, 51, 1);
-  font-size: 14px;
-  font-family: Helvetica, 'Microsoft YaHei', Arial, sans-serif;
-  font-weight: normal;
-  text-align: center;
-  white-space: nowrap;
-  line-height: 30px;
-  margin: 0;
-  cursor: pointer;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  padding: 5px 0;
-  transition: background-color 0.3s ease;
-}
-
-.resource-upload:hover {
-  background-color: #f5f5f5;
-}
 
 .supported-formats {
   width: 532px;
   height: 93px;
   margin: 27px 0 0 57px;
+  display: flex;
+  align-items: flex-start;
+}
+
+.formats-content {
+  flex: 1;
+  gap: 5px;
+}
+
+.format-row {
+  gap: 80px;
+  align-items: center;
 }
 
 .formats-label {
@@ -292,38 +267,42 @@ const handleConfirm = () => {
   white-space: nowrap;
   line-height: 22px;
   margin-top: 2px;
+  flex-shrink: 0;
 }
 
 .document-formats {
-  width: 230px;
-  height: 90px;
+  min-width: 200px;
   overflow-wrap: break-word;
   color: rgba(102, 102, 102, 1);
   font-size: 18px;
   font-family: Helvetica, 'Microsoft YaHei', Arial, sans-serif;
   font-weight: normal;
   text-align: left;
-  line-height: 30px;
-  margin-left: 18px;
+  line-height: 24px;
 }
 
 .media-formats {
-  width: 131px;
-  height: 90px;
+  min-width: 120px;
   overflow-wrap: break-word;
   color: rgba(102, 102, 102, 1);
   font-size: 18px;
   font-family: Helvetica, 'Microsoft YaHei', Arial, sans-serif;
   font-weight: normal;
   text-align: left;
-  line-height: 30px;
-  margin: 3px 0 0 63px;
+  line-height: 24px;
 }
 
 .upload-limits {
   width: 698px;
   height: 60px;
   margin: 26px 0 0 57px;
+  display: flex;
+  align-items: flex-start;
+}
+
+.limits-content {
+  flex: 1;
+  gap: 5px;
 }
 
 .limits-label {
@@ -338,25 +317,25 @@ const handleConfirm = () => {
   white-space: nowrap;
   line-height: 22px;
   margin-top: 3px;
+  flex-shrink: 0;
 }
 
 .limits-description {
-  width: 590px;
-  height: 60px;
+  max-width: 590px;
   overflow-wrap: break-word;
   color: rgba(102, 102, 102, 1);
   font-size: 18px;
   font-family: Helvetica, 'Microsoft YaHei', Arial, sans-serif;
   font-weight: normal;
   text-align: left;
-  line-height: 30px;
+  line-height: 24px;
 }
 
 .action-buttons {
-  width: 147px;
-  height: 32px;
-  margin: 103px 0 0 905px;
+  /* margin: 103px 0 0 905px; */
   display: flex;
+  justify-content: flex-end;
+  margin: 20px;
   gap: 20px;
 }
 
@@ -429,15 +408,4 @@ const handleConfirm = () => {
 .select-file-btn:hover {
   background: #0277BD;
 }
-
-/* 确保下拉菜单在按钮上方显示 */
-.select-file-btn .upload-methods {
-  margin-top: 2px;
-}
-
-/* 隐藏文件输入框 */
-.local-upload input[type="file"],
-.resource-upload input[type="file"] {
-  display: none;
-}
 </style>