diff --git a/src/api/registration.js b/src/api/registration.js
index 99197aa..135e961 100644
--- a/src/api/registration.js
+++ b/src/api/registration.js
@@ -45,3 +45,10 @@ export function sendSmsCode(phone) {
     data: { phone }
   })
 }
+
+export function getAllRegistrations() {
+  return request({
+    url: '/api/registration/all',
+    method: 'get'
+  })
+}
diff --git a/src/views/admin/DashboardPage.vue b/src/views/admin/DashboardPage.vue
index bde57d2..157ab72 100644
--- a/src/views/admin/DashboardPage.vue
+++ b/src/views/admin/DashboardPage.vue
@@ -75,6 +75,10 @@
           <el-option label="已支付" value="paid" />
           <el-option label="待支付" value="submitted" />
         </el-select>
+        <el-select v-model="filterPeriod" placeholder="报名期次" clearable style="width: 200px;">
+          <el-option label="第一期 5月22-24日" value="第一期 5月22-24日" />
+          <el-option label="第二期 6月12-14日" value="第二期 6月12-14日" />
+        </el-select>
         <el-button type="primary" icon="Search" @click="handleSearch">搜索</el-button>
         <el-button icon="Refresh" @click="refreshData">刷新</el-button>
       </div>
@@ -83,19 +87,30 @@
       <div class="admin-table-card">
         <div class="table-header">
           <h3>报名信息列表</h3>
-          <el-button type="success" icon="Download" @click="exportData">
-            导出数据
-          </el-button>
+          <div class="table-header-actions">
+            <span v-if="multipleSelection.length > 0" class="selection-info">
+              已选择 {{ multipleSelection.length }} 项
+            </span>
+            <el-button type="success" icon="Download" @click="exportData">
+              导出数据{{ multipleSelection.length > 0 ? `(${multipleSelection.length}条)` : '' }}
+            </el-button>
+            <el-button type="warning" icon="Download" @click="exportAllData" :loading="exportAllLoading">
+              全部导出
+            </el-button>
+          </div>
         </div>
 
         <el-table
+          ref="tableRef"
           :data="filteredData"
           stripe
           border
           style="width: 100%"
           v-loading="loading"
           :header-cell-style="{ background: '#f5f7fa', color: '#303133', fontWeight: '600' }"
+          @selection-change="handleSelectionChange"
         >
+          <el-table-column type="selection" width="50" align="center" />
           <el-table-column type="index" label="序号" width="60" align="center" />
           <el-table-column prop="id" label="报名编号" width="140" align="center">
             <template #default="{ row }">
@@ -208,18 +223,22 @@
 import { ref, reactive, computed, onMounted } from 'vue'
 import { useRouter } from 'vue-router'
 import { ElMessage, ElMessageBox } from 'element-plus'
-import { getRegistrationList, getRegistrationStatistics, updateRegistrationStatus, getRegistrationDetail } from '../../api/registration'
+import { getRegistrationList, getRegistrationStatistics, updateRegistrationStatus, getRegistrationDetail, getAllRegistrations } from '../../api/registration'
 
 const router = useRouter()
 // 数据
 const loading = ref(false)
 const searchKeyword = ref('')
 const filterStatus = ref('')
+const filterPeriod = ref('')
 const currentPage = ref(1)
 const pageSize = ref(10)
 const total = ref(0)
 const detailDialogVisible = ref(false)
 const currentDetail = ref(null)
+const tableRef = ref(null)
+const multipleSelection = ref([])
+const exportAllLoading = ref(false)
 
 // 管理员信息
 const adminUser = reactive({
@@ -250,7 +269,8 @@ const loadData = async () => {
       keyword: searchKeyword.value,
       pageNum: currentPage.value,
       pageSize: pageSize.value,
-      status: filterStatus.value
+      status: filterStatus.value,
+      period: filterPeriod.value
     })
 
     // 映射接口字段
@@ -377,14 +397,63 @@ const editStatus = (row) => {
   }).catch(() => {})
 }
 
+// 表格勾选
+const handleSelectionChange = (val) => {
+  multipleSelection.value = val
+}
+
+// 全部导出
+const exportAllData = async () => {
+  exportAllLoading.value = true
+  try {
+    const res = await getAllRegistrations()
+    const list = res.data.map(item => ({
+      报名编号: item.bmId,
+      姓名: item.name,
+      所在单位: item.company,
+      推荐人: item.referrer,
+      推荐人单位: item.referrerCompany,
+      部门: item.department || '',
+      职务: item.title,
+      手机号: item.phone,
+      邮箱: item.email,
+      身份证号: item.idCard,
+      期次: item.period,
+      金额: item.fee,
+      状态: item.status === 'paid' ? '已支付' : '待支付',
+      报名时间: formatTime(item.submitTime),
+      备注: item.remark || ''
+    }))
+
+    const headers = Object.keys(list[0]).join(',')
+    const rows = list.map(item => Object.values(item).join(','))
+    const csv = [headers, ...rows].join('\n')
+
+    const blob = new Blob(['\uFEFF' + csv], { type: 'text/csv;charset=utf-8' })
+    const url = URL.createObjectURL(blob)
+    const link = document.createElement('a')
+    link.href = url
+    link.download = `报名数据(全部)_${new Date().toLocaleDateString()}.csv`
+    link.click()
+    URL.revokeObjectURL(url)
+
+    ElMessage.success(`全部导出成功，共${list.length}条数据！`)
+  } catch (e) {
+    console.error('全部导出失败', e)
+    ElMessage.error('导出失败，请重试')
+  }
+  exportAllLoading.value = false
+}
+
 // 导出数据
 const exportData = () => {
-  if (allData.value.length === 0) {
+  const exportList = multipleSelection.value.length > 0 ? multipleSelection.value : allData.value
+  if (exportList.length === 0) {
     ElMessage.warning('暂无数据可导出')
     return
   }
   
-  const exportData = allData.value.map(item => ({
+  const exportRows = exportList.map(item => ({
     报名编号: item.id,
     姓名: item.name,
     所在单位: item.organization,
@@ -403,8 +472,8 @@ const exportData = () => {
   }))
   
   // 简单导出为CSV
-  const headers = Object.keys(exportData[0]).join(',')
-  const rows = exportData.map(item => Object.values(item).join(','))
+  const headers = Object.keys(exportRows[0]).join(',')
+  const rows = exportRows.map(item => Object.values(item).join(','))
   const csv = [headers, ...rows].join('\n')
   
   const blob = new Blob(['\uFEFF' + csv], { type: 'text/csv;charset=utf-8' })
@@ -571,6 +640,18 @@ onMounted(() => {
   margin-bottom: 20px;
 }
 
+.table-header-actions {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+}
+
+.selection-info {
+  font-size: 13px;
+  color: var(--primary-color);
+  font-weight: 500;
+}
+
 .table-header h3 {
   font-size: 16px;
   font-weight: 600;