From 5840d3525f58be574eac806d0c9f6521cf1fc47d Mon Sep 17 00:00:00 2001
From: Vanessa <lly219@gmail.com>
Date: Wed, 19 Nov 2025 13:02:31 +0800
Subject: [PATCH] :art: https://github.com/siyuan-note/siyuan/issues/16375

---
 app/src/protyle/render/av/layout.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/src/protyle/render/av/layout.ts b/app/src/protyle/render/av/layout.ts
index 658f74af7..515b92ad1 100644
--- a/app/src/protyle/render/av/layout.ts
+++ b/app/src/protyle/render/av/layout.ts
@@ -218,7 +218,7 @@ export const bindLayoutEvent = (options: {
         return;
     }
     const toggleBgElement = options.menuElement.querySelector('.b3-switch[data-type="toggle-kanban-bg"]') as HTMLInputElement;
-    toggleBgElement.addEventListener("change", () => {
+    toggleBgElement?.addEventListener("change", () => {
         const checked = toggleBgElement.checked;
         transaction(options.protyle, [{
             action: "setAttrViewFillColBackgroundColor",