diff --git a/v2rayN/v2rayN/Views/MainWindow.xaml b/v2rayN/v2rayN/Views/MainWindow.xaml
index 5b366b57..9d0a2b11 100644
--- a/v2rayN/v2rayN/Views/MainWindow.xaml
+++ b/v2rayN/v2rayN/Views/MainWindow.xaml
@@ -259,6 +259,7 @@
                         <materialDesign:PopupBox
                             Padding="8,0"
                             HorizontalAlignment="Right"
+                            StaysOpen="True"
                             Style="{StaticResource MaterialDesignToolForegroundPopupBox}">
                             <StackPanel Margin="8">
                                 <Grid>