diff --git a/Runtime/LLMBuilder.cs b/Runtime/LLMBuilder.cs
index 542520f9..5b2fc278 100644
--- a/Runtime/LLMBuilder.cs
+++ b/Runtime/LLMBuilder.cs
@@ -17,12 +17,12 @@ private static void InitializeOnLoad()
         {
             Reset();
         }
-
-        public static void CopyPath(string source, string target)
+        
+        public static void HandleActionFileRecursive(string source, string target, ActionCallback actionCallback)
         {
             if (File.Exists(source))
             {
-                File.Copy(source, target, true);
+                actionCallback(source, target);
             }
             else if (Directory.Exists(source))
             {
@@ -32,14 +32,24 @@ public static void CopyPath(string source, string target)
                 filesAndDirs.AddRange(Directory.GetDirectories(source));
                 foreach (string path in filesAndDirs)
                 {
-                    CopyPath(path, Path.Combine(target, Path.GetFileName(path)));
+                    HandleActionFileRecursive(path, Path.Combine(target, Path.GetFileName(path)), actionCallback);
                 }
             }
         }
 
+        public static void CopyWithOverwrite(string source, string target)
+        {
+            File.Copy(source, target, true);
+        }
+
+        public static void CopyPath(string source, string target)
+        {
+            HandleActionFileRecursive(source, target, CopyWithOverwrite);
+        }
+
         public static void MovePath(string source, string target)
         {
-            CopyPath(source, target);
+            HandleActionFileRecursive(source, target, File.Move);
             DeletePath(source);
         }
 
diff --git a/Runtime/LLMLib.cs b/Runtime/LLMLib.cs
index bb7417c7..0732846a 100644
--- a/Runtime/LLMLib.cs
+++ b/Runtime/LLMLib.cs
@@ -303,6 +303,7 @@ static LLMLib()
                             has_avx = LibraryLoader.GetSymbolDelegate<HasArchDelegate>(archCheckerHandle, "has_avx")();
                             has_avx2 = LibraryLoader.GetSymbolDelegate<HasArchDelegate>(archCheckerHandle, "has_avx2")();
                             has_avx512 = LibraryLoader.GetSymbolDelegate<HasArchDelegate>(archCheckerHandle, "has_avx512")();
+                            LibraryLoader.FreeLibrary(archCheckerHandle);
                         }
                         catch (Exception e)
                         {