From 9fffc044286008ce7e6577dafb6032fa357f5056 Mon Sep 17 00:00:00 2001
From: status102 <status102@outlook.com>
Date: Thu, 19 Oct 2023 00:47:57 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E7=A7=BB=E9=99=A4=E6=97=A0=E7=94=A8?=
 =?UTF-8?q?=E7=9A=84null=20check?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/MaaWpfGui/ViewModels/UI/CopilotViewModel.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/MaaWpfGui/ViewModels/UI/CopilotViewModel.cs b/src/MaaWpfGui/ViewModels/UI/CopilotViewModel.cs
index 44cfabdaf7..652b8565f7 100644
--- a/src/MaaWpfGui/ViewModels/UI/CopilotViewModel.cs
+++ b/src/MaaWpfGui/ViewModels/UI/CopilotViewModel.cs
@@ -254,7 +254,7 @@ namespace MaaWpfGui.ViewModels.UI
         /// <returns>关卡名 or string.Empty</returns>
         private static string FindStageName(params string[] names)
         {
-            if (((names = names.Where(str => !str.IsNullOrEmpty()).ToArray())?.Length ?? 0) == 0)
+            if ((names = names.Where(str => !str.IsNullOrEmpty()).ToArray()).Length == 0)
             {
                 return string.Empty;
             }