diff --git a/components/upload/Upload.tsx b/components/upload/Upload.tsx
index dd6349af16..2c36b665ce 100644
--- a/components/upload/Upload.tsx
+++ b/components/upload/Upload.tsx
@@ -3,6 +3,7 @@ import { polyfill } from 'react-lifecycles-compat';
 import RcUpload from 'rc-upload';
 import classNames from 'classnames';
 import uniqBy from 'lodash/uniqBy';
+import findIndex from 'lodash/findIndex';
 import Dragger from './Dragger';
 import UploadList from './UploadList';
 import {
@@ -73,7 +74,7 @@ class Upload extends React.Component<UploadProps, UploadState> {
 
     const nextFileList = this.state.fileList.concat();
 
-    const fileIndex = nextFileList.findIndex(({ uid }) => uid === targetItem.uid);
+    const fileIndex = findIndex(nextFileList, ({ uid }: UploadFile) => uid === targetItem.uid);
     if (fileIndex === -1) {
       nextFileList.push(targetItem);
     } else {
diff --git a/typings/custom-typings.d.ts b/typings/custom-typings.d.ts
index 6d5fcdecb3..0f7caa0028 100644
--- a/typings/custom-typings.d.ts
+++ b/typings/custom-typings.d.ts
@@ -97,7 +97,9 @@ declare module 'lodash/padEnd';
 
 declare module 'lodash/uniqBy';
 
-declare module "raf";
+declare module 'lodash/findIndex';
+
+declare module 'raf';
 
 declare module 'react-lifecycles-compat';