From 1d9c4c54e561ac7e1016dd378f1afaa512f3fdf2 Mon Sep 17 00:00:00 2001
From: XUQINGXI <3104792940@qq.com>
Date: Wed, 1 Nov 2023 18:04:00 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20diff=E6=97=B6=E6=96=B0=E8=8A=82=E7=82=B9?=
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---
 src/core/vdom/patch.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/vdom/patch.ts b/src/core/vdom/patch.ts
index 173840787bc..d9c8821e598 100644
--- a/src/core/vdom/patch.ts
+++ b/src/core/vdom/patch.ts
@@ -510,7 +510,7 @@ export function createPatchFunction(backend) {
           )
         } else {
           vnodeToMove = oldCh[idxInOld]
-          if (sameVnode(vnodeToMove, newStartVnode)) {
+          if (isDef(vnodeToMove) && sameVnode(vnodeToMove, newStartVnode)) {
             patchVnode(
               vnodeToMove,
               newStartVnode,