xray-core uses quic to add failure prompts and plans to remove quic

v2rayN/ServiceLib/Handler/CoreHandler.cs

@@ -59,7 +59,7 @@ namespace ServiceLib.Handler
 
             var fileName = Utils.GetConfigPath(Global.CoreConfigFileName);
             var result = await CoreConfigHandler.GenerateClientConfig(node, fileName);
-            ShowMsg(false, result.Msg);
+            ShowMsg(true, result.Msg);
             if (result.Success != true)
             {
                 return;

v2rayN/ServiceLib/Services/CoreConfig/CoreConfigV2rayService.cs

@@ -27,6 +27,12 @@ namespace ServiceLib.Services.CoreConfig
                     return ret;
                 }
 
+                if (node.GetNetwork() is nameof(ETransport.quic))
+                {
+                    ret.Msg = ResUI.Incorrectconfiguration + $" - {node.GetNetwork()}";
+                    return ret;
+                }
+
                 ret.Msg = ResUI.InitialConfiguration;
 
                 var result = Utils.GetEmbedText(Global.V2raySampleClient);