diff --git a/src/pages/FilesAdmin.tsx b/src/pages/FilesAdmin.tsx
index 85876df..c6bff0c 100644
--- a/src/pages/FilesAdmin.tsx
+++ b/src/pages/FilesAdmin.tsx
@@ -5,6 +5,18 @@ import { ReloadOutlined, DeleteOutlined, FileOutlined } from '@ant-design/icons'
 import { api } from '@/services/http-client'
 import dayjs from 'dayjs'
 
+const mimeLabels: Record<string, string> = {
+  'text/plain': '文本', 'text/markdown': 'Markdown', 'text/html': 'HTML',
+  'application/pdf': 'PDF', 'application/msword': 'Word', 'application/vnd.openxmlformats-officedocument.wordprocessingml.document': 'Word',
+  'application/vnd.ms-excel': 'Excel', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet': 'Excel',
+  'application/vnd.ms-powerpoint': 'PPT', 'application/vnd.openxmlformats-officedocument.presentationml.presentation': 'PPT',
+  'application/epub+zip': 'EPUB', 'application/zip': 'ZIP',
+  'image/jpeg': '图片', 'image/png': '图片', 'image/gif': '图片', 'image/webp': '图片', 'image/svg+xml': '图片',
+}
+const purposeLabels: Record<string, string> = {
+  avatar: '头像', cover: '封面', import: '导入', export: '导出', attachment: '附件', file: '文件', image: '图片',
+}
+
 const { Title } = Typography
 
 export default function FilesAdminPage() {
@@ -25,9 +37,9 @@ export default function FilesAdminPage() {
   const cols = [
     { title: '文件名', dataIndex: 'filename', width: 200, ellipsis: true },
     { title: '用户', width: 120, render: (_:any, r:any) => r.user?.nickname || r.user?.email || '-' },
-    { title: '类型', dataIndex: 'mimeType', width: 100, ellipsis: true },
+    { title: '类型', dataIndex: 'mimeType', width: 100, ellipsis: true, render: (v: string) => mimeLabels[v] || v?.split('/').pop() || '-' },
     { title: '大小', dataIndex: 'sizeBytes', width: 80, render: (v: number) => v ? (v / 1024).toFixed(1) + 'KB' : '-' },
-    { title: '用途', dataIndex: 'purpose', width: 80, render: (v: string) => <Tag>{v || '-'}</Tag> },
+    { title: '用途', dataIndex: 'purpose', width: 80, render: (v: string) => <Tag>{purposeLabels[v] || v || '-'}</Tag> },
     { title: '上传时间', dataIndex: 'createdAt', width: 150, render: (d: string) => dayjs(d).format('MM-DD HH:mm') },
     { title: '操作', width: 80, render: (_:any, r:any) => <Button type="link" size="small" danger icon={<DeleteOutlined />} onClick={() => handleDelete(r)} /> },
   ]