diff --git a/Wins/MainWin.xaml.cs b/Wins/MainWin.xaml.cs
index 96cefeb..5abb808 100644
--- a/Wins/MainWin.xaml.cs
+++ b/Wins/MainWin.xaml.cs
@@ -188,8 +188,8 @@ public partial class MainWin : Window
         if (!MainPres.IsNginxRunning)
         {
             if ((CealHostRulesDict.ContainsValue(null!) && MessageBox.Show(MainConst._CealHostErrorPrompt, string.Empty, MessageBoxButton.YesNo) != MessageBoxResult.Yes) ||
-                (NginxHttpsPort != 443 && MessageBox.Show(string.Format(MainConst._NginxHttpsPortOccupiedPrompt, NginxHttpPort), string.Empty, MessageBoxButton.YesNo) != MessageBoxResult.Yes) ||
-                (NginxHttpPort != 80 && MessageBox.Show(string.Format(MainConst._NginxHttpPortOccupiedPrompt, NginxHttpsPort), string.Empty, MessageBoxButton.YesNo) != MessageBoxResult.Yes) ||
+                (NginxHttpsPort != 443 && MessageBox.Show(string.Format(MainConst._NginxHttpsPortOccupiedPrompt, NginxHttpsPort), string.Empty, MessageBoxButton.YesNo) != MessageBoxResult.Yes) ||
+                (NginxHttpPort != 80 && MessageBox.Show(string.Format(MainConst._NginxHttpPortOccupiedPrompt, NginxHttpPort), string.Empty, MessageBoxButton.YesNo) != MessageBoxResult.Yes) ||
                 (MessageBox.Show(MainConst._LaunchProxyPrompt, string.Empty, MessageBoxButton.YesNo) != MessageBoxResult.Yes) ||
                 (MainPres.IsFlashing && MessageBox.Show(MainConst._LaunchNginxFlashingPrompt, string.Empty, MessageBoxButton.YesNo) != MessageBoxResult.Yes))
                 return;