fix：处理新增商品描述区域视频大小显示问题

src/pages/commodity/products/addProductsItem/productDescFormDefault.tsx

@@ -10,7 +10,7 @@ import ImgCrop from 'antd-img-crop';
 import { inject, observer } from 'mobx-react'
 import { store } from '@/store'
 
-const ProductDescFormDefualt: React.FC<{}> = (props) => { 
+const ProductDescFormDefualt: React.FC<{}> = (props) => {
   const [fileImageList, setFileImageList] = useState<any>([])
   const [videoList, setVideoList] = useState<any>([])
   const flagRef = useRef<boolean>(false)
@@ -40,7 +40,7 @@ const ProductDescFormDefualt: React.FC<{}> = (props) => {
       setFileImageList([])
       setVideoList([])
     }
-  
+
   }, [selectCategoryId])
 
   useEffect(() => {
@@ -117,11 +117,11 @@ const ProductDescFormDefualt: React.FC<{}> = (props) => {
   return (<div>
     <Spin spinning={isLoading}>
     {
-      videoList?.length>0 
-      ? 
+      videoList?.length>0
+      ?
       videoList.map((item, index) => <div key={index} className={cx(styles.descriptBox, styles.mediaContentBox)}>
         <div className={styles.divVideo}>
-          <video src={item} controls={true}>
+          <video src={item} controls={true} width={320} height={240}>
             您的浏览器不支持视频标签，请及时升级。
           </video>
         </div>
@@ -183,4 +183,4 @@ const ProductDescFormDefualt: React.FC<{}> = (props) => {
   </div>)
 }
 
-export default observer(ProductDescFormDefualt)
+export default observer(ProductDescFormDefualt)
\ No newline at end of file