diff --git a/v2rayN/ServiceLib/Handler/ConfigHandler.cs b/v2rayN/ServiceLib/Handler/ConfigHandler.cs
index c3d82043..167820f0 100644
--- a/v2rayN/ServiceLib/Handler/ConfigHandler.cs
+++ b/v2rayN/ServiceLib/Handler/ConfigHandler.cs
@@ -1432,7 +1432,7 @@ public static class ConfigHandler
         else if (node.ConfigType == EConfigType.Custom
             && node.PreSocksPort is > 0 and <= 65535)
         {
-            var preCoreType = AppManager.Instance.RunningCoreType = config.TunModeItem.EnableTun ? ECoreType.sing_box : ECoreType.Xray;
+            var preCoreType = config.TunModeItem.EnableTun ? ECoreType.sing_box : ECoreType.Xray;
             itemSocks = new ProfileItem()
             {
                 CoreType = preCoreType,
diff --git a/v2rayN/ServiceLib/Manager/CoreManager.cs b/v2rayN/ServiceLib/Manager/CoreManager.cs
index 14a9ae50..c309680a 100644
--- a/v2rayN/ServiceLib/Manager/CoreManager.cs
+++ b/v2rayN/ServiceLib/Manager/CoreManager.cs
@@ -90,6 +90,9 @@ public class CoreManager
 
         await CoreStart(mainContext);
         await CoreStartPreService(preContext);
+
+        AppManager.Instance.RunningCoreType = preContext?.RunCoreType ?? mainContext.RunCoreType;
+
         if (_processService != null)
         {
             await UpdateFunc(true, $"{node.GetSummary()}");
@@ -172,7 +175,7 @@ public class CoreManager
     private async Task CoreStart(CoreConfigContext context)
     {
         var node = context.Node;
-        var coreType = AppManager.Instance.RunningCoreType = AppManager.Instance.GetCoreType(node, node.ConfigType);
+        var coreType = AppManager.Instance.GetCoreType(node, node.ConfigType);
         var coreInfo = CoreInfoManager.Instance.GetCoreInfo(coreType);
 
         var displayLog = node.ConfigType != EConfigType.Custom || node.DisplayLog;