From b55f7c4f22c07490693682b50d9e5a70140a6e6d Mon Sep 17 00:00:00 2001
From: * <8>
Date: Wed, 7 Sep 2022 17:42:28 +0800
Subject: [PATCH] Match-id-e4196e9fd763be3e06cc2c404f9780e4664daff7

---
 libs/horizon/src/renderer/diff/nodeDiffComparator.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libs/horizon/src/renderer/diff/nodeDiffComparator.ts b/libs/horizon/src/renderer/diff/nodeDiffComparator.ts
index 183e6dd9..84462e0e 100644
--- a/libs/horizon/src/renderer/diff/nodeDiffComparator.ts
+++ b/libs/horizon/src/renderer/diff/nodeDiffComparator.ts
@@ -70,7 +70,8 @@ function checkCanReuseNode(oldNode: VNode | null, newChild: any, newNodeIdx: num
       return oldKey === null;
     }
     if (newChild.vtype === TYPE_COMMON_ELEMENT || newChild.vtype === TYPE_PORTAL) {
-      if(oldKey || newChild.key) {
+      // key存在时用key判断复用
+      if (oldKey != null || newChild.key != null) {
         return oldKey === newChild.key;
       } else {
         // 新旧节点的index应该相同才能复用，null会影响位置