From 40db9adc0d897eaa3e06917582463802ac76b3d5 Mon Sep 17 00:00:00 2001
From: ChsBuffer <33744752+chsbuffer@users.noreply.github.com>
Date: Sat, 3 Oct 2020 20:57:08 +0800
Subject: [PATCH] fix mode 4 start failed

---
 Netch/Controllers/MainController.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Netch/Controllers/MainController.cs b/Netch/Controllers/MainController.cs
index b8aa8b28..92074f23 100644
--- a/Netch/Controllers/MainController.cs
+++ b/Netch/Controllers/MainController.cs
@@ -54,7 +54,7 @@ namespace Netch.Controllers
                     throw new StartFailedException();
                 }
 
-                if (ModeController.TestNatRequired)
+                if (ModeController?.TestNatRequired ?? false)
                     NatTest();
 
                 return true;