From d1a6fa84dd5b122cca2ee50edc23117aa77d9163 Mon Sep 17 00:00:00 2001
From: Nevermore <15972699417@163.com>
Date: Thu, 27 Jun 2024 10:14:56 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=E7=89=88=E6=9C=AC=E7=BC=93?=
 =?UTF-8?q?=E5=AD=98?=
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---
 src/store/modules/template.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/store/modules/template.ts b/src/store/modules/template.ts
index 43e6cb7..90647e4 100644
--- a/src/store/modules/template.ts
+++ b/src/store/modules/template.ts
@@ -79,7 +79,9 @@ export const useTemplatesStore = defineStore('Templates', {
     modifedElement() {
       const [ canvas ] = useCanvas()
       const { addHistorySnapshot } = useHistorySnapshot()
-      const result = canvas.tree.findOne(`#${CanvasTypes.WorkSpaceDrawType}`).toJSON()
+      const workspace = canvas.tree.findOne(`#${CanvasTypes.WorkSpaceDrawType}`)
+      if (!workspace) return
+      const result = workspace.toJSON()
       this.templates[this.templateIndex] = result
       addHistorySnapshot()
     },