同步上下文进行优化，如果是主线程Post进来，则不需要进入同步队列，直接执行，这样性能会大幅提升，而且回调也会十分及时

虽然ETTask已经不再使用同步上下文，但是这个可以防止不小心使用了Task，仍然修改一下

Unity/Assets/Model/Base/OneThreadSynchronizationContext.cs

@@ -8,6 +8,8 @@ namespace ETModel
 	{
 		public static OneThreadSynchronizationContext Instance { get; } = new OneThreadSynchronizationContext();
 
+		private readonly int mainThreadId = Thread.CurrentThread.ManagedThreadId;
+
 		// 线程同步队列,发送接收socket回调都放到该队列,由poll线程统一执行
 		private readonly ConcurrentQueue<Action> queue = new ConcurrentQueue<Action>();
 
@@ -27,6 +29,12 @@ namespace ETModel
 
 		public override void Post(SendOrPostCallback callback, object state)
 		{
+			if (Thread.CurrentThread.ManagedThreadId == this.mainThreadId)
+			{
+				callback(state);
+				return;
+			}
+			
 			this.queue.Enqueue(() => { callback(state); });
 		}
 	}

Unity/Unity.sln

-Microsoft Visual Studio Solution File, Format Version 11.00
+Microsoft Visual Studio Solution File, Format Version 11.00
 # Visual Studio 2010
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Unity.Model", "Unity.Model.csproj", "{B4BF9894-F5D9-41C4-13E3-3F26F7700E29}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Unity.ThirdParty", "Unity.ThirdParty.csproj", "{E15BADD2-3A26-309A-AB0F-DC5B08044350}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Unity.Editor", "Unity.Editor.csproj", "{CD311104-1830-B119-81B6-5DBEE2467FFB}"
-EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Unity.Hotfix", "Unity.Hotfix.csproj", "{1066F652-6A89-D1C4-9881-1A19DF7AB80E}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Unity.Editor", "Unity.Editor.csproj", "{CD311104-1830-B119-81B6-5DBEE2467FFB}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -22,14 +22,14 @@ Global
 		{E15BADD2-3A26-309A-AB0F-DC5B08044350}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{E15BADD2-3A26-309A-AB0F-DC5B08044350}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{E15BADD2-3A26-309A-AB0F-DC5B08044350}.Release|Any CPU.Build.0 = Release|Any CPU
-		{CD311104-1830-B119-81B6-5DBEE2467FFB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{CD311104-1830-B119-81B6-5DBEE2467FFB}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{CD311104-1830-B119-81B6-5DBEE2467FFB}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{CD311104-1830-B119-81B6-5DBEE2467FFB}.Release|Any CPU.Build.0 = Release|Any CPU
 		{1066F652-6A89-D1C4-9881-1A19DF7AB80E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{1066F652-6A89-D1C4-9881-1A19DF7AB80E}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{1066F652-6A89-D1C4-9881-1A19DF7AB80E}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{1066F652-6A89-D1C4-9881-1A19DF7AB80E}.Release|Any CPU.Build.0 = Release|Any CPU
+		{CD311104-1830-B119-81B6-5DBEE2467FFB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{CD311104-1830-B119-81B6-5DBEE2467FFB}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{CD311104-1830-B119-81B6-5DBEE2467FFB}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{CD311104-1830-B119-81B6-5DBEE2467FFB}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE