diff --git a/src/views/Admin.vue b/src/views/Admin.vue
index 1fd5d95..bbafb42 100644
--- a/src/views/Admin.vue
+++ b/src/views/Admin.vue
@@ -652,11 +652,23 @@
               <el-option label="教师组" value="jiaoshi" />
             </el-select>
             <el-input v-model="submissionSearch" placeholder="搜索选手姓名" clearable size="small" class="search-input" @input="onSubmissionFilterChange" />
+            <!-- R87：提交状态筛选。判据与表格内「未提交」文案同源（row.files.length === 0）；
+                 选项文案与「成绩管理 · 成绩总览」的提交状态下拉逐字对齐。 -->
+            <el-select v-model="submissionStatusFilter" placeholder="提交状态" clearable size="small" class="filter-select" @change="onSubmissionFilterChange">
+              <el-option label="已提交" value="true" />
+              <el-option label="未提交" value="false" />
+            </el-select>
             <!-- R80：组别只剩本科/教师（两组都需下载作品）⇒ 原「仅 benke/jiaoshi 显示」判据已恒真，移除死判据 -->
+            <!-- R87：本按钮下载「该组全部作品」（后端全组 ZIP），⚠️ 不受上方筛选影响 ⇒ 以 title 明示口径 -->
             <el-button
               type="success"
               v-guard="() => batchDownloadWorks()"
+              title="下载该组全部作品（不受上方筛选影响）"
             >批量下载作品</el-button>
+            <span class="work-summary" v-if="submissions.length">
+              共 {{ submissionStatusCount.total }} 人 · 已提交 {{ submissionStatusCount.submitted }} · 未提交 {{ submissionStatusCount.unsubmitted }}
+              <template v-if="submissionStatusFilter !== ''">｜当前筛选出 {{ filteredSubmissions.length }} 人</template>
+            </span>
           </div>
           <el-table :data="pagedSubmissions" stripe v-loading="submissionsLoading" class="admin-table">
             <el-table-column prop="name" label="选手姓名" width="120" />
@@ -2851,6 +2863,16 @@ const submissionGroup = ref('benke')
 const submissionsPage = ref(1)
 const submissionsPageSize = ref(10)
 const submissionSearch = ref('')
+const submissionStatusFilter = ref('')
+
+// 作品管理「已提交」判据的单一真相源 —— 与表格内「未提交」文案（row.files.length === 0）同源。
+const isWorkSubmitted = row => (row.files || []).length > 0
+
+const submissionStatusCount = computed(() => {
+  const total = submissions.value.length
+  const submitted = submissions.value.filter(isWorkSubmitted).length
+  return { total, submitted, unsubmitted: total - submitted }
+})
 
 const filteredSubmissions = computed(() => {
   let list = submissions.value
@@ -2858,6 +2880,10 @@ const filteredSubmissions = computed(() => {
     const s = submissionSearch.value.trim().toLowerCase()
     list = list.filter(item => (item.name || '').toLowerCase().includes(s))
   }
+  if (submissionStatusFilter.value !== '') {
+    const wantSubmitted = submissionStatusFilter.value === 'true'
+    list = list.filter(item => isWorkSubmitted(item) === wantSubmitted)
+  }
   return list
 })
 
@@ -3808,6 +3834,7 @@ onMounted(() => {
 .score-input { width: 110px; }
 .preview-frame { width: 100%; height: 70vh; border: 0; background: #fff; }
 .preview-file-name { color: #303133; font-weight: 600; margin-bottom: 8px; }
+.work-summary { color: #606266; font-size: 13px; margin-left: 8px; }
 
 /* ==================== 统计卡片 ==================== */
 .stats-row { margin-bottom: 20px; }