diff --git a/v2rayN/v2rayN/Views/MainWindow.xaml b/v2rayN/v2rayN/Views/MainWindow.xaml
index ce09c1df..2dcf9788 100644
--- a/v2rayN/v2rayN/Views/MainWindow.xaml
+++ b/v2rayN/v2rayN/Views/MainWindow.xaml
@@ -38,6 +38,7 @@
 
     <materialDesign:DialogHost
         Identifier="RootDialog"
+        materialDesign:TransitionAssist.DisableTransitions="True"
         SnackbarMessageQueue="{Binding ElementName=MainSnackbar, Path=MessageQueue}"
         Style="{StaticResource MaterialDesignEmbeddedDialogHost}">
         <Grid>
diff --git a/v2rayN/v2rayN/Views/SubSettingWindow.xaml b/v2rayN/v2rayN/Views/SubSettingWindow.xaml
index 301e6269..29455ea0 100644
--- a/v2rayN/v2rayN/Views/SubSettingWindow.xaml
+++ b/v2rayN/v2rayN/Views/SubSettingWindow.xaml
@@ -23,7 +23,10 @@
     TextOptions.TextRenderingMode="Auto"
     WindowStartupLocation="CenterScreen"
     mc:Ignorable="d">
-    <materialDesign:DialogHost Identifier="SubDialog" Style="{StaticResource MaterialDesignEmbeddedDialogHost}">
+    <materialDesign:DialogHost
+        materialDesign:TransitionAssist.DisableTransitions="True"
+        Identifier="SubDialog"
+        Style="{StaticResource MaterialDesignEmbeddedDialogHost}">
         <DockPanel>
             <ToolBarTray DockPanel.Dock="Top">
                 <ToolBar