From be091ecebb5d081f096cce934c81d2411b914e01 Mon Sep 17 00:00:00 2001
From: Perfare <hjyqwert@126.com>
Date: Tue, 15 Jan 2019 07:37:30 +0800
Subject: [PATCH] Fixed #344

---
 AssetStudioUtility/ModelConverter.cs | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/AssetStudioUtility/ModelConverter.cs b/AssetStudioUtility/ModelConverter.cs
index fcc0d1c..e7b1e6a 100644
--- a/AssetStudioUtility/ModelConverter.cs
+++ b/AssetStudioUtility/ModelConverter.cs
@@ -499,8 +499,11 @@ namespace AssetStudio
 
         private string GetTransformPath(Transform transform)
         {
-            var frame = transformDictionary[transform];
-            return GetFramePath(frame);
+            if (transformDictionary.TryGetValue(transform, out var frame))
+            {
+                return GetFramePath(frame);
+            }
+            return null;
         }
 
         private static string GetFramePath(ImportedFrame frame)