From 6d99cfbaa2d2fda3dfbce7afb97aacdb8578bb41 Mon Sep 17 00:00:00 2001
From: SoftFever <softfeverever@gmail.com>
Date: Wed, 4 Jan 2023 09:16:41 +0800
Subject: [PATCH] add safety check

---
 src/slic3r/GUI/PrinterWebView.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/slic3r/GUI/PrinterWebView.cpp b/src/slic3r/GUI/PrinterWebView.cpp
index d5cce32d13..13102fd981 100644
--- a/src/slic3r/GUI/PrinterWebView.cpp
+++ b/src/slic3r/GUI/PrinterWebView.cpp
@@ -63,7 +63,8 @@ void PrinterWebView::load_url(wxString& url)
 {
 //    this->Show();
 //    this->Raise();
-
+    if (m_browser == nullptr)
+        return;
     m_browser->LoadURL(url);
     //m_browser->SetFocus();
     UpdateState();