diff --git a/components/upload/__tests__/upload.test.js b/components/upload/__tests__/upload.test.js
index edcc2e40a6..fe7c048777 100644
--- a/components/upload/__tests__/upload.test.js
+++ b/components/upload/__tests__/upload.test.js
@@ -6,7 +6,7 @@ import produce from 'immer';
 import { cloneDeep } from 'lodash';
 import Upload from '..';
 import Form from '../../form';
-import { getFileItem, removeFileItem } from '../utils';
+import { getFileItem, removeFileItem, isImageUrl } from '../utils';
 import { setup, teardown } from './mock';
 import { resetWarned } from '../../_util/devWarning';
 import mountTest from '../../../tests/shared/mountTest';
@@ -367,6 +367,13 @@ describe('Upload', () => {
       const targetItem = removeFileItem(file, fileList);
       expect(targetItem).toBe(null);
     });
+
+    it('isImageUrl should work correctly when file.url is null', () => {
+      const file = {
+        url: null,
+      };
+      expect(isImageUrl(file)).toBe(true);
+    });
   });
 
   it('should support linkProps as object', () => {
diff --git a/components/upload/utils.tsx b/components/upload/utils.tsx
index 178d558db6..1499436a1f 100644
--- a/components/upload/utils.tsx
+++ b/components/upload/utils.tsx
@@ -54,7 +54,7 @@ export const isImageUrl = (file: UploadFile): boolean => {
   if (file.type && !file.thumbUrl) {
     return isImageFileType(file.type);
   }
-  const url: string = (file.thumbUrl || file.url) as string;
+  const url: string = (file.thumbUrl || file.url || '') as string;
   const extension = extname(url);
   if (
     /^data:image\//.test(url) ||