fix: thumbnails are too large in the chat box #818 (#819)

### What problem does this PR solve?

fix: thumbnails are too large in the chat box #818

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

web/src/components/layout-recognize.tsx

@@ -0,0 +1,19 @@
+import { useTranslate } from '@/hooks/commonHooks';
+import { Form, Switch } from 'antd';
+
+const LayoutRecognize = () => {
+  const { t } = useTranslate('knowledgeDetails');
+  return (
+    <Form.Item
+      name={['parser_config', 'layout_recognize']}
+      label={t('layoutRecognize')}
+      initialValue={true}
+      valuePropName="checked"
+      tooltip={t('layoutRecognizeTip')}
+    >
+      <Switch />
+    </Form.Item>
+  );
+};
+
+export default LayoutRecognize;