From 7baba422814945a0c13829ab4d2ada641ec85a3b Mon Sep 17 00:00:00 2001
From: * <8>
Date: Thu, 14 Jul 2022 14:48:50 +0800
Subject: [PATCH] Match-id-8aa73ad0d48d2def8668dac345dcae9358eb62c9

---
 libs/horizon/src/renderer/TreeBuilder.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libs/horizon/src/renderer/TreeBuilder.ts b/libs/horizon/src/renderer/TreeBuilder.ts
index c8b81ae7..683c9bc3 100644
--- a/libs/horizon/src/renderer/TreeBuilder.ts
+++ b/libs/horizon/src/renderer/TreeBuilder.ts
@@ -199,6 +199,10 @@ export function calcStartUpdateVNode(treeRoot: VNode) {
   for (let i = 1; i < startNodePath.length; i++) {
     const pathIndex = Number(startNodePath[i]);
     node = getChildByIndex(node, pathIndex)!;
+    // 路径错误时，回退到从根更新
+    if (node == null) {
+      return treeRoot;
+    }
   }
 
   return node;