diff --git a/components/apolloTable/component/base/extra/upload/preview.tsx b/components/apolloTable/component/base/extra/upload/preview.tsx
index 4b546d41995c5869e24bbe6dc9cb62ffa35ce9e5..244af1067b6019040efd1d2d62568759a16ef126 100644
--- a/components/apolloTable/component/base/extra/upload/preview.tsx
+++ b/components/apolloTable/component/base/extra/upload/preview.tsx
@@ -12,7 +12,7 @@ export default class uploadDetail extends React.Component {
     onPreview = (url:string, name:string) => {
         const nameTypeArr = name.match(/\.[a-zA-Z0-9]+$/);
         const urlTypeArr = url.match(/\.[a-zA-Z0-9]+$/);
-        const typeArr = nameTypeArr || urlTypeArr;
+        const typeArr = urlTypeArr || nameTypeArr;
         let type = typeArr && typeArr[0] ? typeArr[0].replace('.', '') : '';
         type = type.toLowerCase();
         if (['png', 'gif', 'bmp', 'jpg', 'jpeg', 'heic'].includes(type)) {