diff --git a/src/EntryPoint.cs b/src/EntryPoint.cs
index 1588d25..30bba4c 100644
--- a/src/EntryPoint.cs
+++ b/src/EntryPoint.cs
@@ -12,6 +12,6 @@ internal static void Main() // must be loaded
     {
         LevelTick.InitHook();
         GlobalService.Global.Init();
-        PackHelper.Main.Init();
+        PackHelper.PackHelper.Init();
     }
 }
diff --git a/src/PackHelper/LinkCreator.cs b/src/PackHelper/LinkCreator.cs
index ad51749..2ab56ad 100644
--- a/src/PackHelper/LinkCreator.cs
+++ b/src/PackHelper/LinkCreator.cs
@@ -26,8 +26,24 @@ public static void AddPack(PackType packType, string packDirectory, PackInfo inf
         );
         if (!Directory.Exists(target))
             Directory.CreateDirectory(target);
-        var targetDir = Path.Combine(target, info.PackId.ToString());
-        LinkUtils.CreateDirectorySymlink(targetDir, packDirectory);
+        var link = Path.Combine(target, info.PackId.ToString());
+        if (Directory.Exists(link))
+        {
+            if (LinkUtils.IsLink(link))
+            {
+                var current = LinkUtils.ReadLink(link);
+                if (current == packDirectory)
+                {
+                    LinkUtils.Unlink(link);
+                }
+            }
+            else
+            {
+                Directory.Delete(link, true);
+            }
+        }
+        if (!Directory.Exists(link))
+            LinkUtils.CreateDirectorySymlink(link, packDirectory);
         if (packType is PackType.BehaviorPack)
             AddBehaviorPack(info);
         else
diff --git a/src/PackHelper/PackHelper.cs b/src/PackHelper/PackHelper.cs
index 4b6e000..e21e4b5 100644
--- a/src/PackHelper/PackHelper.cs
+++ b/src/PackHelper/PackHelper.cs
@@ -16,7 +16,7 @@ public PackAlreadyAddedException(Guid packId)
         : base($"Pack {packId} already added.") { }
 }
 
-public static partial class Main
+public static partial class PackHelper
 {
     private static List<PackInfo>? ResourcePacks = new();
     private static List<PackInfo>? BehaviorPacks = new();