diff --git a/src/router/index.js b/src/router/index.js
index 07334f7..642c461 100644
--- a/src/router/index.js
+++ b/src/router/index.js
@@ -16,7 +16,6 @@ const Competition = () => import('@/views/Competition.vue')
 const MockExam = () => import('@/views/MockExam.vue')
 const NmeaParser = () => import('@/views/NmeaParser.vue')
 const AtSimulator = () => import('@/views/AtSimulator.vue')
-const Upload = () => import('@/views/Upload.vue')
 const Materials = () => import('@/views/Materials.vue')
 const Score = () => import('@/views/Score.vue')
 
@@ -106,14 +105,6 @@ const routes = [
     meta: { requiresAuth: true },
   },
 
-  // 作品上传页
-  {
-    path: '/upload',
-    name: 'Upload',
-    component: Upload,
-    meta: { requiresAuth: true },
-  },
-
   // 资料下载页
   {
     path: '/materials',
diff --git a/src/views/Upload.vue b/src/views/Upload.vue
deleted file mode 100644
index 5659b01..0000000
--- a/src/views/Upload.vue
+++ /dev/null
@@ -1,735 +0,0 @@
-<template>
-  <div class="upload-page">
-    <!-- 顶部导航 -->
-    <div class="upload-header">
-      <div class="upload-header-left">
-        <el-button text @click="$router.push('/')" class="back-btn">
-          <el-icon><HomeFilled /></el-icon><span>返回首页</span>
-        </el-button>
-        <el-button text @click="$router.push('/dashboard')" class="back-btn">
-          <el-icon><ArrowLeft /></el-icon><span>返回工作台</span>
-        </el-button>
-      </div>
-      <h2 class="upload-title">作品提交</h2>
-      <span class="group-tag">{{ groupLabel }}</span>
-    </div>
-
-    <div class="upload-content">
-      <!-- 截止时间 -->
-      <div class="deadline-card" v-if="deadline">
-        <div class="deadline-info">
-          <el-icon :size="20"><Clock /></el-icon>
-          <span>提交截止时间：</span>
-          <strong :class="{ 'deadline-near': isDeadlineNear }">{{ formatDeadline(deadline) }}</strong>
-        </div>
-        <div class="deadline-countdown" v-if="deadlineCountdown > 0">
-          <span>剩余时间：</span>
-          <strong>{{ formatCountdown(deadlineCountdown) }}</strong>
-        </div>
-      </div>
-
-      <!-- 教师组双上传区 -->
-      <template v-if="isTeacher">
-        <el-row :gutter="24">
-          <el-col :xs="24" :md="12">
-            <div class="upload-card">
-              <h3 class="upload-card-title">教学方案</h3>
-              <p class="upload-card-desc">请上传教学方案文件（PDF、Word 格式）</p>
-              <file-upload-area
-                group="jiaoshi"
-                file-type="word"
-                :max-size="100 * 1024 * 1024"
-                accept=".pdf,.doc,.docx"
-                @upload-success="onUploadSuccess('word', $event)"
-              />
-            </div>
-          </el-col>
-          <el-col :xs="24" :md="12">
-            <div class="upload-card">
-              <h3 class="upload-card-title">说课 PPT</h3>
-              <p class="upload-card-desc">请上传说课 PPT 文件</p>
-              <file-upload-area
-                group="jiaoshi"
-                file-type="ppt"
-                :max-size="100 * 1024 * 1024"
-                accept=".ppt,.pptx"
-                @upload-success="onUploadSuccess('ppt', $event)"
-              />
-            </div>
-          </el-col>
-        </el-row>
-      </template>
-
-      <!-- 本科组双上传区（Word + PPT） -->
-      <template v-else>
-        <el-row :gutter="24">
-          <el-col :xs="24" :md="12">
-            <div class="upload-card">
-              <h3 class="upload-card-title">参赛作品（Word）</h3>
-              <p class="upload-card-desc">请上传参赛作品文档（PDF、Word 格式）</p>
-              <file-upload-area
-                :group="userGroup"
-                file-type="word"
-                :max-size="50 * 1024 * 1024"
-                accept=".pdf,.doc,.docx"
-                @upload-success="onUploadSuccess('word', $event)"
-              />
-            </div>
-          </el-col>
-          <el-col :xs="24" :md="12">
-            <div class="upload-card">
-              <h3 class="upload-card-title">参赛作品（PPT）</h3>
-              <p class="upload-card-desc">请上传参赛作品演示文稿（PPT 格式）</p>
-              <file-upload-area
-                :group="userGroup"
-                file-type="ppt"
-                :max-size="50 * 1024 * 1024"
-                accept=".ppt,.pptx"
-                @upload-success="onUploadSuccess('ppt', $event)"
-              />
-            </div>
-          </el-col>
-        </el-row>
-      </template>
-
-      <!-- 上传历史 -->
-      <div class="history-card">
-        <h3 class="history-title">提交记录</h3>
-        <div v-loading="historyLoading">
-          <el-table :data="submissionHistory" stripe empty-text="暂无提交记录">
-            <el-table-column prop="fileName" label="文件名" min-width="180" show-overflow-tooltip />
-            <el-table-column prop="fileSize" label="大小" width="100">
-              <template #default="{ row }">{{ formatSize(row.fileSize) }}</template>
-            </el-table-column>
-            <el-table-column prop="uploadTime" label="上传时间" width="170">
-              <template #default="{ row }">{{ formatDate(row.uploadTime) }}</template>
-            </el-table-column>
-            <el-table-column label="操作" width="160" align="center">
-              <template #default="{ row }">
-                <el-button
-                  text
-                  type="danger"
-                  size="small"
-                  :loading="deletingId === row.id"
-                  v-guard="() => deleteSubmission(row)"
-                >删除</el-button>
-                <el-button text type="primary" size="small" @click="reupload">重新上传</el-button>
-              </template>
-            </el-table-column>
-          </el-table>
-        </div>
-      </div>
-    </div>
-  </div>
-</template>
-
-<script setup>
-/**
- * Upload.vue - 作品上传页面（需要登录，benke/jiaoshi 组）
- *
- * 功能：
- *   1. 截止时间倒计时
- *   2. 拖拽上传区域
- *   3. 文件类型/大小校验
- *   4. 分片上传 + 进度条
- *   5. MD5 哈希显示
- *   6. 上传历史列表
- *   7. 教师组双上传区（教学方案 + 说课PPT）
- */
-import { ref, computed, onMounted, onUnmounted, h } from 'vue'
-import { ElMessage, ElMessageBox, ElUpload, ElProgress, ElButton, ElTag, ElIcon } from 'element-plus'
-import { ArrowLeft, HomeFilled, Clock, UploadFilled, Delete } from '@element-plus/icons-vue'
-import { useAuthStore } from '@/stores/auth'
-import * as uploadApi from '@/api/upload'
-import { chunkFile, calculateMd5, uploadWithRetry, formatFileSize } from '@/utils/upload'
-
-const authStore = useAuthStore()
-
-// ==================== 计算属性 ====================
-
-const userGroup = computed(() => authStore.userGroup)
-
-const groupLabel = computed(() => {
-  const map = { benke: '本科组', jiaoshi: '教师组' }
-  return map[userGroup.value] || userGroup.value
-})
-
-const isTeacher = computed(() => userGroup.value === 'jiaoshi')
-
-const isDeadlineNear = computed(() => {
-  if (!deadline.value) return false
-  const diff = new Date(deadline.value) - new Date()
-  return diff > 0 && diff < 3 * 24 * 60 * 60 * 1000
-})
-
-// ==================== 状态 ====================
-
-const deadline = ref('')
-const deadlineCountdown = ref(0)
-const submissionHistory = ref([])
-const historyLoading = ref(false)
-const deletingId = ref(null)
-let deadlineTimer = null
-
-// ==================== 文件上传子组件（内联实现） ====================
-
-// 使用简单的内联上传逻辑替代子组件
-const uploadStates = reactive({})
-
-// ==================== 方法 ====================
-
-function formatDate(dateStr) {
-  if (!dateStr) return '--'
-  const d = new Date(dateStr)
-  if (isNaN(d.getTime())) return dateStr
-  return `${d.getFullYear()}-${String(d.getMonth() + 1).padStart(2, '0')}-${String(d.getDate()).padStart(2, '0')} ${String(d.getHours()).padStart(2, '0')}:${String(d.getMinutes()).padStart(2, '0')}`
-}
-
-function formatDeadline(dateStr) {
-  if (!dateStr) return '--'
-  const d = new Date(dateStr)
-  if (isNaN(d.getTime())) return dateStr
-  return `${d.getFullYear()}年${d.getMonth() + 1}月${d.getDate()}日 ${String(d.getHours()).padStart(2, '0')}:${String(d.getMinutes()).padStart(2, '0')}`
-}
-
-function formatSize(bytes) {
-  return formatFileSize(bytes || 0)
-}
-
-function formatCountdown(seconds) {
-  const d = Math.floor(seconds / 86400)
-  const h = Math.floor((seconds % 86400) / 3600)
-  const m = Math.floor((seconds % 3600) / 60)
-  const s = seconds % 60
-  if (d > 0) return `${d}天 ${String(h).padStart(2, '0')}:${String(m).padStart(2, '0')}:${String(s).padStart(2, '0')}`
-  return `${String(h).padStart(2, '0')}:${String(m).padStart(2, '0')}:${String(s).padStart(2, '0')}`
-}
-
-/** 启动截止倒计时 */
-function startDeadlineCountdown() {
-  clearInterval(deadlineTimer)
-  if (!deadline.value) return
-  deadlineTimer = setInterval(() => {
-    const diff = Math.floor((new Date(deadline.value) - new Date()) / 1000)
-    deadlineCountdown.value = Math.max(0, diff)
-  }, 1000)
-}
-
-/** 获取提交历史 */
-async function fetchHistory() {
-  historyLoading.value = true
-  try {
-    const data = await uploadApi.getSubmissions(userGroup.value)
-    if (Array.isArray(data)) {
-      submissionHistory.value = data
-    } else if (data?.list) {
-      submissionHistory.value = data.list
-    }
-  } catch (err) {
-    console.warn('获取提交历史失败', err)
-  } finally {
-    historyLoading.value = false
-  }
-}
-
-/** 获取上传状态 */
-async function fetchUploadStatus() {
-  try {
-    const data = await uploadApi.getUploadStatus(userGroup.value)
-    if (data?.deadline) {
-      deadline.value = data.deadline
-      startDeadlineCountdown()
-    }
-  } catch (err) {
-    console.warn('获取上传状态失败', err)
-  }
-}
-
-function onUploadSuccess(type, result) {
-  ElMessage.success('文件上传成功')
-  fetchHistory()
-}
-
-/** 删除已上传的作品文件（本科/教师组） */
-async function deleteSubmission(row) {
-  try {
-    await ElMessageBox.confirm(
-      `确定要删除「${row.fileName}」吗？删除后可重新上传进行替换。`,
-      '删除确认',
-      { confirmButtonText: '确认删除', cancelButtonText: '取消', type: 'warning' }
-    )
-  } catch {
-    return
-  }
-
-  deletingId.value = row.id
-  try {
-    await uploadApi.deleteWork(userGroup.value, row.id)
-    ElMessage.success('文件已删除')
-    fetchHistory()
-  } catch (err) {
-    ElMessage.error('删除失败，请重试')
-  } finally {
-    deletingId.value = null
-  }
-}
-
-/** 滚动到上传区以便重新上传 */
-function reupload() {
-  const el = document.querySelector('.upload-card')
-  if (el) el.scrollIntoView({ behavior: 'smooth', block: 'center' })
-}
-
-// ==================== 生命周期 ====================
-
-onMounted(() => {
-  // 组别检查
-  if (!['benke', 'jiaoshi'].includes(authStore.userGroup)) {
-    ElMessage.warning('您所在的组别不需要提交作品')
-    // 不强制跳转，避免闪烁
-  }
-
-  fetchUploadStatus()
-  fetchHistory()
-})
-
-onUnmounted(() => {
-  if (deadlineTimer) clearInterval(deadlineTimer)
-})
-</script>
-
-<!-- ==================== 文件上传子区域组件模板 ==================== -->
-
-<script>
-/**
- * file-upload-area 是一个内联组件
- * 为了保持 Vue SFC 的简洁性，我们用 defineComponent
- */
-import { defineComponent, ref, reactive, h, computed } from 'vue'
-import { ElMessage, ElUpload, ElProgress, ElButton, ElTag, ElIcon } from 'element-plus'
-import { UploadFilled, Delete } from '@element-plus/icons-vue'
-import * as uploadApi from '@/api/upload'
-import { chunkFile, calculateMd5, uploadWithRetry, formatFileSize } from '@/utils/upload'
-
-const FileUploadArea = defineComponent({
-  name: 'FileUploadArea',
-  props: {
-    group: { type: String, required: true },
-    fileType: { type: String, default: 'work' },
-    maxSize: { type: Number, default: 50 * 1024 * 1024 },
-    accept: { type: String, default: '.pdf,.doc,.docx,.ppt,.pptx,.zip' },
-  },
-  emits: ['upload-success'],
-  setup(props, { emit }) {
-    const fileList = ref([])
-    const uploading = ref(false)
-    const uploadPercent = ref(0)
-    const uploadedInfo = ref(null)
-
-    function validateFile(file) {
-      const raw = file.raw || file
-      if (raw.size > props.maxSize) {
-        const maxMB = props.maxSize / (1024 * 1024)
-        ElMessage.error(`文件大小不能超过 ${maxMB}MB`)
-        return false
-      }
-      return true
-    }
-
-    function handleFileChange(file) {
-      if (!validateFile(file)) {
-        fileList.value = []
-        return
-      }
-      fileList.value = [file]
-      uploadedInfo.value = null
-      // 选择文件后自动开始上传，提供即时反馈
-      startUpload()
-    }
-
-    function removeFile() {
-      if (uploading.value) {
-        ElMessage.warning('文件正在上传中，请等待完成后再操作')
-        return
-      }
-      fileList.value = []
-      uploadedInfo.value = null
-      uploadPercent.value = 0
-    }
-
-    async function startUpload() {
-      // 防重入：选择文件会自动触发一次上传，用户若再点「开始上传」会造成同一文件
-      // 双份分片流并发，既浪费连接池也可能让后端合并出错。
-      if (uploading.value) return
-      if (fileList.value.length === 0) {
-        ElMessage.warning('请先选择文件')
-        return
-      }
-      const rawFile = fileList.value[0]?.raw || fileList.value[0]
-      if (!rawFile) return
-
-      uploading.value = true
-      uploadPercent.value = 0
-
-      try {
-        // 计算 MD5 作为 fileId
-        let fileId = ''
-        try {
-          fileId = await calculateMd5(rawFile)
-        } catch (e) {
-          console.warn('MD5 计算失败', e)
-          fileId = rawFile.name + '_' + Date.now()
-        }
-
-        // 分片上传
-        const chunks = chunkFile(rawFile)
-        for (let i = 0; i < chunks.length; i++) {
-          const formData = new FormData()
-          // ⚠️ Egg stream 模式下 stream.fields 仅解析「出现在文件字段之前」的普通字段。
-          // 必须把文本字段放在 chunk（文件）之前，否则后端收不到 chunkIndex/fileId/fileName -> 400 缺参。
-          formData.append('chunkIndex', chunks[i].index)
-          formData.append('totalChunks', chunks[i].total)
-          formData.append('fileId', fileId)
-          formData.append('fileName', rawFile.name)
-          formData.append('chunk', chunks[i].chunk, rawFile.name)
-
-          await uploadWithRetry(
-            () => uploadApi.uploadChunk(props.group, formData),
-            3, 1000
-          )
-
-          uploadPercent.value = Math.round(((i + 1) / chunks.length) * 100)
-        }
-
-        // 所有分片上传完成，调用合并接口（透传 file_type：word/ppt）
-        await uploadApi.mergeChunks(props.group, {
-          fileId,
-          fileName: rawFile.name,
-          totalChunks: chunks.length,
-          work_name: rawFile.name,
-          file_type: props.fileType,
-        })
-
-        uploadedInfo.value = {
-          fileName: rawFile.name,
-          fileSize: rawFile.size,
-          fileId,
-        }
-
-        ElMessage.success('上传成功')
-        emit('upload-success', { type: props.fileType, info: uploadedInfo.value })
-      } catch (err) {
-        ElMessage.error('上传失败，请重试')
-      } finally {
-        uploading.value = false
-      }
-    }
-
-    return () => {
-      return h('div', { class: 'file-upload-wrapper' }, [
-        // 拖拽上传区
-        !uploadedInfo.value ? [
-          h('div', {
-            class: 'drag-area',
-            onClick: () => {
-              // 触发文件选择
-            },
-          }, [
-            h('input', {
-              type: 'file',
-              accept: props.accept,
-              style: { display: 'none' },
-              ref: 'fileInput',
-              onChange: (e) => {
-                const file = e.target.files?.[0]
-                if (file) {
-                  handleFileChange({ raw: file, name: file.name, size: file.size })
-                }
-                e.target.value = ''
-              },
-            }),
-            h('div', {
-              class: 'drag-content',
-              onClick: (e) => {
-                // 点击时触发隐藏的 file input
-                e.currentTarget.previousElementSibling?.click()
-              },
-            }, [
-              h(ElIcon, { size: 48 }, () => h(UploadFilled)),
-              h('div', { class: 'drag-text' }, '拖拽文件到此处或 '),
-              h('em', null, '点击上传'),
-              h('div', { class: 'drag-hint' },
-                `支持 ${props.accept.replace(/\./g, '')} 格式，最大 ${props.maxSize / (1024 * 1024)}MB`
-              ),
-            ]),
-          ]),
-
-          // 已选文件
-          fileList.value.length > 0 ? h('div', { class: 'selected-file' }, [
-            h('span', { class: 'selected-name' }, fileList.value[0].name || fileList.value[0].fileName),
-            h(ElButton, {
-              type: 'danger',
-              size: 'small',
-              icon: h(Delete),
-              circle: true,
-              onClick: removeFile,
-            }),
-          ]) : null,
-
-          // 上传按钮
-          fileList.value.length > 0 ? h('div', { class: 'upload-actions' }, [
-            h(ElButton, {
-              type: 'primary',
-              loading: uploading.value,
-              onClick: startUpload,
-            }, { default: () => '开始上传' }),
-          ]) : null,
-        ] : null,
-
-        // 上传进度
-        uploading.value ? h('div', { class: 'upload-progress' }, [
-          h(ElProgress, {
-            percentage: uploadPercent.value,
-            status: uploadPercent.value >= 100 ? 'success' : undefined,
-          }),
-        ]) : null,
-
-        // 已上传文件信息
-        uploadedInfo.value ? h('div', { class: 'uploaded-card' }, [
-          h(ElTag, { type: 'success', size: 'small' }, () => '上传成功'),
-          h('div', { class: 'uploaded-name' }, uploadedInfo.value.fileName),
-          h('div', { class: 'uploaded-meta' }, [
-            h('span', null, formatFileSize(uploadedInfo.value.fileSize)),
-            uploadedInfo.value.md5 ? h('span', null, `MD5: ${uploadedInfo.value.md5.slice(0, 16)}...`) : null,
-          ].filter(Boolean)),
-          h(ElButton, {
-            text: true,
-            type: 'danger',
-            size: 'small',
-            onClick: removeFile,
-          }, { default: () => '重新上传' }),
-        ]) : null,
-      ])
-    }
-  },
-})
-
-export default {
-  components: { FileUploadArea },
-}
-</script>
-
-<style scoped>
-.upload-page {
-  min-height: 100vh;
-  background: #f5f6f8;
-  padding-bottom: 40px;
-}
-
-/* ==================== 顶部导航 ==================== */
-.upload-header {
-  background: #1a3a5c;
-  color: #fff;
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
-  padding: 0 24px;
-  height: 60px;
-  position: sticky;
-  top: 0;
-  z-index: 100;
-}
-
-.back-btn { color: rgba(255,255,255,0.85); white-space: nowrap; }
-.back-btn:hover { color: #c9a84c; }
-
-.upload-title {
-  font-size: 18px;
-  font-weight: 600;
-  position: absolute;
-  left: 50%;
-  transform: translateX(-50%);
-}
-
-.upload-header-left {
-  display: flex;
-  gap: 4px;
-  flex-shrink: 0;
-}
-
-.group-tag {
-  background: rgba(201,168,76,0.2);
-  color: #c9a84c;
-  padding: 4px 12px;
-  border-radius: 4px;
-  font-size: 13px;
-  font-weight: 600;
-}
-
-/* ==================== 内容 ==================== */
-.upload-content {
-  max-width: 1000px;
-  margin: 24px auto 0;
-  padding: 0 20px;
-}
-
-/* ==================== 截止时间 ==================== */
-.deadline-card {
-  background: #fff;
-  border-radius: 12px;
-  padding: 20px 24px;
-  margin-bottom: 24px;
-  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
-  display: flex;
-  justify-content: space-between;
-  align-items: center;
-  flex-wrap: wrap;
-  gap: 12px;
-}
-
-.deadline-info {
-  display: flex;
-  align-items: center;
-  gap: 8px;
-  font-size: 15px;
-  color: #6b7280;
-}
-
-.deadline-near { color: #f56c6c; }
-
-.deadline-countdown {
-  font-size: 18px;
-  color: #1a3a5c;
-}
-
-/* ==================== 上传卡片 ==================== */
-.upload-card {
-  background: #fff;
-  border-radius: 12px;
-  padding: 28px;
-  margin-bottom: 24px;
-  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
-}
-
-.upload-card-title {
-  font-size: 18px;
-  font-weight: 600;
-  color: #1a3a5c;
-  margin-bottom: 8px;
-}
-
-.upload-card-desc {
-  font-size: 14px;
-  color: #6b7280;
-  margin-bottom: 24px;
-}
-
-/* ==================== 拖拽上传区 ==================== */
-.drag-area {
-  border: 2px dashed #d1d5db;
-  border-radius: 12px;
-  padding: 40px 20px;
-  text-align: center;
-  cursor: pointer;
-  transition: all 0.3s;
-  background: #fafafa;
-}
-
-.drag-area:hover {
-  border-color: #1a3a5c;
-  background: #f0f4f8;
-}
-
-.drag-content {
-  color: #6b7280;
-}
-
-.drag-text {
-  font-size: 14px;
-  margin-top: 12px;
-}
-
-.drag-hint {
-  font-size: 12px;
-  color: #909399;
-  margin-top: 8px;
-}
-
-/* ==================== 已选文件 ==================== */
-.selected-file {
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
-  background: #f0f4f8;
-  border: 1px solid #e5e7eb;
-  border-radius: 8px;
-  padding: 12px 16px;
-  margin-top: 12px;
-}
-
-.selected-name {
-  font-size: 14px;
-  color: #1f2937;
-  font-weight: 500;
-}
-
-.upload-actions {
-  margin-top: 12px;
-  text-align: center;
-}
-
-.upload-progress {
-  margin-top: 16px;
-}
-
-/* ==================== 上传成功信息 ==================== */
-.uploaded-card {
-  border: 1px solid #bbf7d0;
-  background: #f0fdf4;
-  border-radius: 10px;
-  padding: 20px;
-  margin-top: 16px;
-  display: flex;
-  flex-wrap: wrap;
-  gap: 12px;
-  align-items: center;
-}
-
-.uploaded-name {
-  font-size: 14px;
-  font-weight: 600;
-  color: #1f2937;
-  flex: 1;
-  min-width: 200px;
-  word-break: break-all;
-}
-
-.uploaded-meta {
-  display: flex;
-  gap: 16px;
-  font-size: 12px;
-  color: #6b7280;
-  width: 100%;
-}
-
-/* ==================== 历史记录 ==================== */
-.history-card {
-  background: #fff;
-  border-radius: 12px;
-  padding: 28px;
-  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
-}
-
-.history-title {
-  font-size: 18px;
-  font-weight: 600;
-  color: #1a3a5c;
-  margin-bottom: 16px;
-}
-
-/* ==================== Responsive ==================== */
-@media (max-width: 480px) {
-  .upload-header { padding: 0 12px; }
-  .deadline-card { flex-direction: column; }
-}
-</style>
\ No newline at end of file