From eb28a44022918d3da2e2fa49e654a7dc2ad3fa80 Mon Sep 17 00:00:00 2001
From: Vanessa <lly219@gmail.com>
Date: Sat, 16 Nov 2024 12:06:15 +0800
Subject: [PATCH] :art: https://github.com/siyuan-note/siyuan/issues/13131

---
 app/src/dialog/processSystem.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/app/src/dialog/processSystem.ts b/app/src/dialog/processSystem.ts
index cdf968a50..52c4d6c39 100644
--- a/app/src/dialog/processSystem.ts
+++ b/app/src/dialog/processSystem.ts
@@ -173,6 +173,9 @@ export const setDefRefCount = (data: {
 }) => {
     getAllEditor().forEach(editor => {
         if (data.rootID === data.blockID && editor.protyle.block.rootID === data.rootID) {
+            if (!editor.protyle.title) {
+                return;
+            }
             const attrElement = editor.protyle.title.element.querySelector(".protyle-attr");
             const countElement = attrElement.querySelector(".protyle-attr--refcount");
             if (countElement) {