From 7d62c09c6b172cea95d8b120732b31c4c532fead Mon Sep 17 00:00:00 2001
From: roymondchen <roymondchen@tencent.com>
Date: Sat, 7 May 2022 16:39:28 +0800
Subject: [PATCH] =?UTF-8?q?fix(editor):=20root=E4=B8=BA=E7=A9=BA=E6=97=B6?=
 =?UTF-8?q?=E5=BC=82=E5=B8=B8=E5=A4=84=E7=90=86?=
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---
 packages/editor/src/services/editor.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/editor/src/services/editor.ts b/packages/editor/src/services/editor.ts
index 0e142e12..97b1416c 100644
--- a/packages/editor/src/services/editor.ts
+++ b/packages/editor/src/services/editor.ts
@@ -91,7 +91,7 @@ class Editor extends BaseService {
     log('store set ', name, ' ', value);
 
     if (name === 'root') {
-      this.state.pageLength = (value as unknown as MApp).items.length;
+      this.state.pageLength = (value as unknown as MApp)?.items?.length || 0;
       this.emit('root-change', value);
     }
   }