diff --git a/v2rayN/ServiceLib/Enums/ECoreType.cs b/v2rayN/ServiceLib/Enums/ECoreType.cs
index de29b55c..cd93e7b9 100644
--- a/v2rayN/ServiceLib/Enums/ECoreType.cs
+++ b/v2rayN/ServiceLib/Enums/ECoreType.cs
@@ -5,9 +5,7 @@
         v2fly = 1,
         Xray = 2,
         v2fly_v5 = 4,
-
         mihomo = 13,
-
         hysteria = 21,
         naiveproxy = 22,
         tuic = 23,
diff --git a/v2rayN/ServiceLib/Global.cs b/v2rayN/ServiceLib/Global.cs
index c0518b42..1dbff452 100644
--- a/v2rayN/ServiceLib/Global.cs
+++ b/v2rayN/ServiceLib/Global.cs
@@ -182,8 +182,7 @@
         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", "xhttp", "h2", "quic", "grpc" };
         public static readonly List<string> KcpHeaderTypes = new() { "srtp", "utp", "wechat-video", "dtls", "wireguard" };
-        public static readonly List<string> CoreTypes = new() { "v2fly", "Xray", "sing_box" };
-        public static readonly List<string> CoreTypes4VLESS = new() { "Xray", "sing_box" };
+        public static readonly List<string> CoreTypes = 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", "" };
         public static readonly List<string> DomainMatchers = new() { "linear", "mph", "" };
diff --git a/v2rayN/ServiceLib/Handler/AppHandler.cs b/v2rayN/ServiceLib/Handler/AppHandler.cs
index 447c31f9..ddc72d06 100644
--- a/v2rayN/ServiceLib/Handler/AppHandler.cs
+++ b/v2rayN/ServiceLib/Handler/AppHandler.cs
@@ -264,16 +264,8 @@
                 return (ECoreType)profileItem.CoreType;
             }
 
-            if (_config.CoreTypeItem == null)
-            {
-                return ECoreType.Xray;
-            }
-            var item = _config.CoreTypeItem.FirstOrDefault(it => it.ConfigType == eConfigType);
-            if (item == null)
-            {
-                return ECoreType.Xray;
-            }
-            return item.CoreType;
+            var item = _config.CoreTypeItem?.FirstOrDefault(it => it.ConfigType == eConfigType);
+            return item?.CoreType ?? ECoreType.Xray;
         }
 
         #endregion Core Type
diff --git a/v2rayN/v2rayN.Desktop/Views/AddServerWindow.axaml.cs b/v2rayN/v2rayN.Desktop/Views/AddServerWindow.axaml.cs
index e9f00be9..008d6e6b 100644
--- a/v2rayN/v2rayN.Desktop/Views/AddServerWindow.axaml.cs
+++ b/v2rayN/v2rayN.Desktop/Views/AddServerWindow.axaml.cs
@@ -26,20 +26,10 @@ namespace v2rayN.Desktop.Views
 
             ViewModel = new AddServerViewModel(profileItem, UpdateViewHandler);
 
-            if (profileItem.ConfigType == EConfigType.VLESS)
+            Global.CoreTypes.ForEach(it =>
             {
-                Global.CoreTypes4VLESS.ForEach(it =>
-                {
-                    cmbCoreType.Items.Add(it);
-                });
-            }
-            else
-            {
-                Global.CoreTypes.ForEach(it =>
-                {
-                    cmbCoreType.Items.Add(it);
-                });
-            }
+                cmbCoreType.Items.Add(it);
+            });
             cmbCoreType.Items.Add(string.Empty);
 
             cmbStreamSecurity.Items.Add(string.Empty);
diff --git a/v2rayN/v2rayN/Views/AddServerWindow.xaml.cs b/v2rayN/v2rayN/Views/AddServerWindow.xaml.cs
index 80b26896..11c68424 100644
--- a/v2rayN/v2rayN/Views/AddServerWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/AddServerWindow.xaml.cs
@@ -20,20 +20,10 @@ namespace v2rayN.Views
 
             ViewModel = new AddServerViewModel(profileItem, UpdateViewHandler);
 
-            if (profileItem.ConfigType == EConfigType.VLESS)
+            Global.CoreTypes.ForEach(it =>
             {
-                Global.CoreTypes4VLESS.ForEach(it =>
-                {
-                    cmbCoreType.Items.Add(it);
-                });
-            }
-            else
-            {
-                Global.CoreTypes.ForEach(it =>
-                {
-                    cmbCoreType.Items.Add(it);
-                });
-            }
+                cmbCoreType.Items.Add(it);
+            });
             cmbCoreType.Items.Add(string.Empty);
 
             cmbStreamSecurity.Items.Add(string.Empty);