From 263ca4b76b7963ff33d253a5a75e25109fda123d Mon Sep 17 00:00:00 2001
From: alves <liulikeqian@gmail.com>
Date: Thu, 5 Mar 2026 16:45:00 +0800
Subject: [PATCH] fix crash question when the obj is null

---
 src/slic3r/GUI/ObjectDataViewModel.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/slic3r/GUI/ObjectDataViewModel.cpp b/src/slic3r/GUI/ObjectDataViewModel.cpp
index 80a92a703a..da770bc1a0 100644
--- a/src/slic3r/GUI/ObjectDataViewModel.cpp
+++ b/src/slic3r/GUI/ObjectDataViewModel.cpp
@@ -554,6 +554,9 @@ void ObjectDataViewModel::UpdateBitmapForNode(ObjectDataViewModelNode *node)
         scaled_bitmap_name += std::to_string(vol_type);
     scaled_bitmap_name += (wxGetApp().dark_mode() ? "-dm" : "-lm");
 
+    if (!m_bitmap_cache)
+        return;
+
     wxBitmap* bmp = m_bitmap_cache->find(scaled_bitmap_name);
     if (bmp == nullptr) {
         std::vector<wxBitmap> bmps;