diff --git a/v2rayN/ServiceLib/Global.cs b/v2rayN/ServiceLib/Global.cs
index 05809ed5..2db26e65 100644
--- a/v2rayN/ServiceLib/Global.cs
+++ b/v2rayN/ServiceLib/Global.cs
@@ -166,7 +166,7 @@
         public static readonly List<string> Flows = new() { "", "xtls-rprx-vision", "xtls-rprx-vision-udp443" };
         public static readonly List<string> Networks = new() { "tcp", "kcp", "ws", "httpupgrade", "splithttp", "h2", "quic", "grpc" };
         public static readonly List<string> KcpHeaderTypes = new() { "srtp", "utp", "wechat-video", "dtls", "wireguard" };
-        public static readonly List<string> CoreTypes = new() { "v2fly", "SagerNet", "Xray", "sing_box" };
+        public static readonly List<string> CoreTypes = new() { "v2fly", "Xray", "sing_box" };//TODO
         public static readonly List<string> CoreTypes4VLESS = new() { "Xray", "sing_box" };
         public static readonly List<string> DomainStrategies = new() { "AsIs", "IPIfNonMatch", "IPOnDemand" };
         public static readonly List<string> DomainStrategies4Singbox = new() { "ipv4_only", "ipv6_only", "prefer_ipv4", "prefer_ipv6", "" };
diff --git a/v2rayN/ServiceLib/Handler/LazyConfig.cs b/v2rayN/ServiceLib/Handler/LazyConfig.cs
index afc1f729..e54ccdb0 100644
--- a/v2rayN/ServiceLib/Handler/LazyConfig.cs
+++ b/v2rayN/ServiceLib/Handler/LazyConfig.cs
@@ -38,6 +38,14 @@
             SQLiteHelper.Instance.CreateTable<RoutingItem>();
             SQLiteHelper.Instance.CreateTable<ProfileExItem>();
             SQLiteHelper.Instance.CreateTable<DNSItem>();
+
+            //TODO
+            //Prepare to remove the clash
+            SQLiteHelper.Instance.Execute($"update ProfileItem set coreType = 13 where coreType = 11");
+            SQLiteHelper.Instance.Execute($"update ProfileItem set coreType = 13 where coreType = 12");
+            //Prepare to remove the SagerNet
+            SQLiteHelper.Instance.Execute($"update ProfileItem set coreType = 2 where coreType = 3");
+
         }
 
         #region Config
diff --git a/v2rayN/v2rayN/Views/AddServer2Window.xaml.cs b/v2rayN/v2rayN/Views/AddServer2Window.xaml.cs
index eceaeba4..d9e59fb5 100644
--- a/v2rayN/v2rayN/Views/AddServer2Window.xaml.cs
+++ b/v2rayN/v2rayN/Views/AddServer2Window.xaml.cs
@@ -17,6 +17,9 @@ namespace v2rayN.Views
             foreach (ECoreType it in Enum.GetValues(typeof(ECoreType)))
             {
                 if (it == ECoreType.v2rayN)
+                    continue; 
+                //TODO
+                if (it is ECoreType.clash or ECoreType.clash_meta or ECoreType.SagerNet)
                     continue;
                 cmbCoreType.Items.Add(it.ToString());
             }