first commit

webapp/packages/supersonic-fe/src/pages/404.tsx

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+import { Button, Result } from 'antd';
+import React from 'react';
+import { history } from 'umi';
+
+const NoFoundPage: React.FC = () => (
+  <Result
+    status="404"
+    title="404"
+    subTitle="Sorry, the page you visited does not exist."
+    extra={
+      <Button type="primary" onClick={() => history.push('/homepage')}>
+        Back Home
+      </Button>
+    }
+  />
+);
+
+export default NoFoundPage;