1

Src/Core/Applation/BITApp.cs

@@ -24,6 +24,10 @@ namespace BITKit
         private static int _count;
             public static async UniTask SwitchToMainThread()
             {
+                if (SynchronizationContext is null)
+                {
+                    return;
+                }
                 await UniTask.SwitchToSynchronizationContext(SynchronizationContext);
             }
         public static class Time
@@ -178,7 +182,8 @@ namespace BITKit
         /// <summary>
         /// 主线程
         /// </summary>
-        public static SynchronizationContext SynchronizationContext { get; private set; }
+        public static SynchronizationContext SynchronizationContext { get; set; } =
+            SynchronizationContext.Current;
 
         [System.Serializable]
         public class OpenPath : IAction, IDisposable
@@ -248,7 +253,18 @@ namespace BITKit
             _count = 0;
             Time.TimeAsDouble = 0;
             Time.DeltaTime = 1 / 60f;
-            SynchronizationContext=SynchronizationContext.Current;
+
+            SynchronizationContext = (SynchronizationContext, SynchronizationContext.Current) switch
+            {
+                (null, not null) => SynchronizationContext.Current,
+                _ => SynchronizationContext
+            };
+
+            if (SynchronizationContext is null)
+            {
+                BIT4Log.Warning<BITApp>("未找到主线程上下文,等待主线程将不可用");
+            }
+            
             Settings = settings??new AppSettings();
             CancellationTokenSource = new CancellationTokenSource();
             AppName = appName;