diff --git a/components/upload/demo/upload-manually.md b/components/upload/demo/upload-manually.md
index c98e30a400..ff1141032b 100644
--- a/components/upload/demo/upload-manually.md
+++ b/components/upload/demo/upload-manually.md
@@ -26,7 +26,7 @@ const App: React.FC = () => {
   const handleUpload = () => {
     const formData = new FormData();
     fileList.forEach(file => {
-      formData.append('files[]', file.originFileObj as RcFile);
+      formData.append('files[]', file as RcFile);
     });
     setUploading(true);
     // You can use any AJAX library you like