fix: 修复前端编译错误

- 移除 AccountImportForm 中未使用的 message 导入
- 移除 AccountImport 中 handleSuccess 未使用的 accountId 参数

frontend/src/components/AccountImportForm.tsx

@@ -1,5 +1,5 @@
 import { useState } from 'react'
-import { Form, Input, Button, Radio, Space, Alert, message } from 'antd'
+import { Form, Input, Button, Radio, Space, Alert } from 'antd'
 import { useTranslation } from 'react-i18next'
 import { useAccountStore } from '../store/accountStore'
 import { 

frontend/src/pages/AccountImport.tsx

@@ -12,7 +12,7 @@ const AccountImport: React.FC = () => {
   const navigate = useNavigate()
   const [form] = Form.useForm()
   
-  const handleSuccess = async (accountId?: number) => {
+  const handleSuccess = async () => {
     message.success(t('accountImport.importSuccess'))
     navigate('/accounts')
   }