From 84c95cd524cff3601f80fb74fe7f4036924f3220 Mon Sep 17 00:00:00 2001
From: wangxueliang <wangxueliang@yidian-inc.com>
Date: Tue, 17 Dec 2019 19:26:52 +0800
Subject: [PATCH] fix: avoid dead loop upload

---
 components/upload/UploadList.jsx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/components/upload/UploadList.jsx b/components/upload/UploadList.jsx
index ed3144f43..2ecb63611 100644
--- a/components/upload/UploadList.jsx
+++ b/components/upload/UploadList.jsx
@@ -82,8 +82,8 @@ export default {
         file.thumbUrl = '';
         /*eslint -enable */
         previewFile(file.originFileObj, previewDataUrl => {
-          /*eslint-disable */
-          file.thumbUrl = previewDataUrl;
+          // Need append '' to avoid dead loop
+          file.thumbUrl = previewDataUrl || '';
           /*eslint -enable */
           this.$forceUpdate();
         });