From 538c5b69fb5232566dd18a91badb58fbaa366629 Mon Sep 17 00:00:00 2001
From: WMJ <wmj@live.cn>
Date: Thu, 20 Dec 2018 21:55:13 +0800
Subject: [PATCH] - Fixed a crash in debugging release

---
 Codist/NaviBar/NaviBarFactory.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Codist/NaviBar/NaviBarFactory.cs b/Codist/NaviBar/NaviBarFactory.cs
index 454ea693..26424a46 100644
--- a/Codist/NaviBar/NaviBarFactory.cs
+++ b/Codist/NaviBar/NaviBarFactory.cs
@@ -44,7 +44,7 @@ public void TextViewCreated(IWpfTextView textView) {
 
 		static void AssociateFileCodeModelOverrider() {
 			Microsoft.VisualStudio.Shell.ThreadHelper.ThrowIfNotOnUIThread();
-			var model = CodistPackage.DTE2.ActiveDocument?.ProjectItem.FileCodeModel; // the active document can be null
+			var model = CodistPackage.DTE2.ActiveDocument?.ProjectItem?.FileCodeModel; // the active document can be null
 			if (model == null) {
 				return;
 			}