From 7d57f6b5f6784a453c42d0b2e1d67258e3947a52 Mon Sep 17 00:00:00 2001
From: wangxiaoshuang <825034831@qq.com>
Date: Fri, 7 Nov 2025 13:23:18 +0800
Subject: [PATCH] =?UTF-8?q?=E9=98=85=E7=89=87=E6=AF=94=E4=BE=8B=E5=B0=BA?=
 =?UTF-8?q?=E5=B7=A5=E5=85=B7=E9=97=AE=E9=A2=98=E4=BF=AE=E5=A4=8D?=
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---
 .../reading/dicoms3D/components/tools/ScaleOverlayTool.js       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/views/trials/trials-panel/reading/dicoms3D/components/tools/ScaleOverlayTool.js b/src/views/trials/trials-panel/reading/dicoms3D/components/tools/ScaleOverlayTool.js
index 5c1611d9..d4b86797 100644
--- a/src/views/trials/trials-panel/reading/dicoms3D/components/tools/ScaleOverlayTool.js
+++ b/src/views/trials/trials-panel/reading/dicoms3D/components/tools/ScaleOverlayTool.js
@@ -58,7 +58,7 @@ class ScaleOverlayTool extends AnnotationDisplayTool {
             }
             enabledElements.forEach((element) => {
                 const { viewport } = element;
-                if (!viewportsWithAnnotations.includes(viewport.id) || annotations.length === 0) {
+                if (!viewportsWithAnnotations.includes(viewport.id) || annotations.length === 0 || !annotation) {
                     const newAnnotation = {
                         metadata: {
                             toolName: this.getToolName(),