style: adjust some styles

src/pages/playground/components/ground-left.tsx

@@ -1,4 +1,3 @@
-import { useIntl } from '@umijs/max';
 import { Spin } from 'antd';
 import classNames from 'classnames';
 import 'overlayscrollbars/overlayscrollbars.css';
@@ -34,7 +33,6 @@ interface MessageProps {
 
 const GroundLeft: React.FC<MessageProps> = forwardRef((props, ref) => {
   const { modelList } = props;
-  const intl = useIntl();
   const [systemMessage, setSystemMessage] = useState('');
   const [show, setShow] = useState(false);
   const [collapse, setCollapse] = useState(false);

src/pages/playground/components/multiple-chat/index.tsx

@@ -1,7 +1,7 @@
 import { HEADER_HEIGHT } from '@/config/settings';
 import useOverlayScroller from '@/hooks/use-overlay-scroller';
 import _ from 'lodash';
-import { memo, useCallback, useEffect, useMemo, useRef, useState } from 'react';
+import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
 import CompareContext from '../../config/compare-context';
 import {
   MessageItem,
@@ -309,4 +309,4 @@ const MultiCompare: React.FC<MultiCompareProps> = ({ modelList, loaded }) => {
   );
 };
 
-export default memo(MultiCompare);
+export default MultiCompare;