From cab9326843e45eb8826ca70fea585f7ef6d4e897 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=89=BE=E7=AB=B9?= <akwkevin@126.com>
Date: Wed, 29 Nov 2023 22:12:56 +0800
Subject: [PATCH] =?UTF-8?q?=E5=B0=8F=E4=BC=98=E5=8C=96?=
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---
 .../ViewModels/BaseViewModel/ConnectionViewModel.cs             | 2 +-
 .../ViewModels/BaseViewModel/SelectableViewModelBase.cs         | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/ConnectionViewModel.cs b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/ConnectionViewModel.cs
index 30cdb60..0b992a1 100644
--- a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/ConnectionViewModel.cs
+++ b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/ConnectionViewModel.cs
@@ -702,7 +702,7 @@ namespace AIStudio.Wpf.DiagramDesigner
             {
                 IsInternalChanged = true;
                 startVertice.SetPosition(StartPoint);
-                IsInternalChanged = true;
+                IsInternalChanged = false;
             }
             startVertice.ColorViewModel.FillColor.Color = SourceConnectorInfoFully != null ? Colors.DarkRed : Colors.Blue;
             startVertice.ColorViewModel.LineColor.Color = SourceConnectorInfoFully != null ? Colors.DarkRed : Colors.Blue;
diff --git a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/SelectableViewModelBase.cs b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/SelectableViewModelBase.cs
index f8fa8ad..b4c30b3 100644
--- a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/SelectableViewModelBase.cs
+++ b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/SelectableViewModelBase.cs
@@ -536,6 +536,7 @@ namespace AIStudio.Wpf.DiagramDesigner
 
         public virtual void Dispose()
         {
+            this.PropertyChanged -= Item_PropertyChanged;
         }
     }
 }