diff --git a/frontend/src/pages/activity/Detail.jsx b/frontend/src/pages/activity/Detail.jsx
index b825744..aa08c0b 100644
--- a/frontend/src/pages/activity/Detail.jsx
+++ b/frontend/src/pages/activity/Detail.jsx
@@ -3,9 +3,9 @@ import React, { useState, useEffect } from 'react';
 import { useParams, useNavigate } from 'react-router-dom';
 import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
 import { motion, useScroll, useTransform } from 'framer-motion';
-import { ArrowLeftOutlined, ShareAltOutlined, CalendarOutlined, ClockCircleOutlined, EnvironmentOutlined, UserOutlined } from '@ant-design/icons';
+import { ArrowLeftOutlined, ShareAltOutlined, CalendarOutlined, ClockCircleOutlined, EnvironmentOutlined, UserOutlined, UploadOutlined } from '@ant-design/icons';
 import confetti from 'canvas-confetti';
-import { message, Spin, Button, Result, Modal, Form, Input } from 'antd';
+import { message, Spin, Button, Result, Modal, Form, Input, Select, Radio, Checkbox, Upload } from 'antd';
 import { getActivityDetail, signUpActivity } from '../../api';
 import styles from '../../components/activity/activity.module.less';
 import { pageTransition, buttonTap } from '../../animation';
@@ -119,9 +119,19 @@ const ActivityDetail = () => {
   };
 
   const handleFormSubmit = (values) => {
+      // Handle file uploads if any (convert to base64 or just warn if not supported)
+      // For now, we just pass values. 
+      // Note: File objects won't serialize to JSON well.
       signUpMutation.mutate(values);
   };
 
+  const normFile = (e) => {
+    if (Array.isArray(e)) {
+      return e;
+    }
+    return e?.fileList;
+  };
+
   if (isLoading) {
     return (
       <div style={{ display: 'flex', justifyContent: 'center', alignItems: 'center', height: '100vh', background: '#1f1f1f' }}>
@@ -315,16 +325,78 @@ const ActivityDetail = () => {
         destroyOnHidden
       >
          <Form form={form} onFinish={handleFormSubmit} layout="vertical">
-            {activity.signup_form_config && activity.signup_form_config.map(field => (
-                <Form.Item 
-                    key={field.name} 
-                    name={field.name} 
-                    label={field.label} 
-                    rules={[{ required: field.required, message: `请填写${field.label}` }]}
-                >
-                    <Input placeholder={`请输入${field.label}`} />
-                </Form.Item>
-            ))}
+            {activity.signup_form_config && activity.signup_form_config.map(field => {
+                let inputNode;
+                const commonProps = {
+                    placeholder: field.placeholder || `请输入${field.label}`,
+                };
+
+                switch (field.type) {
+                    case 'select':
+                        inputNode = (
+                            <Select placeholder={field.placeholder || `请选择${field.label}`}>
+                                {field.options?.map(opt => (
+                                    <Select.Option key={opt.value} value={opt.value}>
+                                        {opt.label}
+                                    </Select.Option>
+                                ))}
+                            </Select>
+                        );
+                        break;
+                    case 'radio':
+                        inputNode = (
+                            <Radio.Group>
+                                {field.options?.map(opt => (
+                                    <Radio key={opt.value} value={opt.value}>
+                                        {opt.label}
+                                    </Radio>
+                                ))}
+                            </Radio.Group>
+                        );
+                        break;
+                    case 'checkbox':
+                        inputNode = (
+                             <Checkbox.Group>
+                                {field.options?.map(opt => (
+                                    <Checkbox key={opt.value} value={opt.value}>
+                                        {opt.label}
+                                    </Checkbox>
+                                ))}
+                            </Checkbox.Group>
+                        );
+                        break;
+                    case 'textarea':
+                        inputNode = <Input.TextArea {...commonProps} rows={4} />;
+                        break;
+                    case 'file':
+                        inputNode = (
+                             <Upload beforeUpload={() => false} maxCount={1}>
+                                <Button icon={<UploadOutlined />}>点击上传</Button>
+                             </Upload>
+                        );
+                        break;
+                    default:
+                        inputNode = <Input {...commonProps} type={field.type === 'tel' ? 'tel' : 'text'} />;
+                }
+
+                const itemProps = {
+                    key: field.name,
+                    name: field.name,
+                    label: field.label,
+                    rules: [{ required: field.required, message: `请填写${field.label}` }],
+                };
+
+                if (field.type === 'file') {
+                    itemProps.valuePropName = 'fileList';
+                    itemProps.getValueFromEvent = normFile;
+                }
+
+                return (
+                    <Form.Item {...itemProps}>
+                        {inputNode}
+                    </Form.Item>
+                );
+            })}
          </Form>
       </Modal>
     </motion.div>