fix: close documented platform polish gaps

src/apps/admin/AdminEnterpriseAuditPage.tsx

@@ -1,6 +1,7 @@
 import { useEffect, useMemo, useState } from 'react';
 import { Check, FileSearch, Search, X } from 'lucide-react';
 import { adminApi, type EnterpriseCertification } from '@/api/adminApi';
+import { formatDateTime } from '@/utils/dateTime';
 import { Breadcrumb, Button, Input, Modal, Select, Table, Tag, type TableColumn } from '@/components/ui';
 
 type EnterpriseAuditStatus = 'pending' | 'approved' | 'rejected';
@@ -59,7 +60,7 @@ function mapCertification(record: EnterpriseCertification): EnterpriseAuditRecor
     contactName: record.contactName ?? '',
     contactPhone: record.contactPhone ?? '',
     contactEmail: String(materials.contactEmail ?? ''),
-    submittedAt: new Date(record.submittedAt).toLocaleString('zh-CN', { hour12: false }),
+    submittedAt: formatDateTime(record.submittedAt),
     reviewRemark: record.rejectReason ?? String(materials.reviewRemark ?? ''),
     status: record.status as EnterpriseAuditStatus,
   };