diff --git a/v2rayN/v2rayN.Desktop/Views/QrcodeView.axaml b/v2rayN/v2rayN.Desktop/Views/QrcodeView.axaml
index b67a7a1f..350cb06a 100644
--- a/v2rayN/v2rayN.Desktop/Views/QrcodeView.axaml
+++ b/v2rayN/v2rayN.Desktop/Views/QrcodeView.axaml
@@ -10,7 +10,7 @@
     mc:Ignorable="d">
 
     <UserControl.Resources>
-        <sys:Double x:Key="QrcodeWidth">500</sys:Double>
+        <sys:Double x:Key="QrcodeWidth">400</sys:Double>
     </UserControl.Resources>
 
     <Grid Margin="32" RowDefinitions="Auto,Auto">
diff --git a/v2rayN/v2rayN/Views/QrcodeView.xaml b/v2rayN/v2rayN/Views/QrcodeView.xaml
index b2dcdc3d..80aaae7d 100644
--- a/v2rayN/v2rayN/Views/QrcodeView.xaml
+++ b/v2rayN/v2rayN/Views/QrcodeView.xaml
@@ -12,7 +12,7 @@
     Style="{StaticResource ViewGlobal}"
     mc:Ignorable="d">
     <UserControl.Resources>
-        <sys:Double x:Key="QrcodeWidth">500</sys:Double>
+        <sys:Double x:Key="QrcodeWidth">400</sys:Double>
     </UserControl.Resources>
 
     <Grid Margin="32">