From a82ab5fc4bcef91e75f340cb3462ab98fb51682b Mon Sep 17 00:00:00 2001
From: afc163 <afc163@gmail.com>
Date: Fri, 3 Mar 2017 20:19:56 +0800
Subject: [PATCH] Fix setState on unmounted Upload, close #5162

---
 components/upload/index.tsx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/components/upload/index.tsx b/components/upload/index.tsx
index 5564328093..f843e8ece5 100644
--- a/components/upload/index.tsx
+++ b/components/upload/index.tsx
@@ -90,6 +90,10 @@ export default class Upload extends React.Component<UploadProps, any> {
     };
   }
 
+  componentWillUnmount() {
+    this.clearProgressTimer();
+  }
+
   onStart = (file) => {
     let targetItem;
     let nextFileList = this.state.fileList.concat();