diff --git a/Editor/Emit/DefaultMetadataImporter.cs b/Editor/Emit/DefaultMetadataImporter.cs
index 6399b42..98b0f68 100644
--- a/Editor/Emit/DefaultMetadataImporter.cs
+++ b/Editor/Emit/DefaultMetadataImporter.cs
@@ -138,7 +138,7 @@ namespace Obfuz.Emit
 
             _initializeArray = mod.Import(typeof(System.Runtime.CompilerServices.RuntimeHelpers).GetMethod("InitializeArray", new[] { typeof(Array), typeof(RuntimeFieldHandle) }));
             Assert.IsNotNull(_initializeArray);
-            _verifySecretKey = mod.Import(typeof(AssetUtility).GetMethod("VerifySecretKey", new[] { typeof(int), typeof(int) }));
+            _verifySecretKey = mod.Import(typeof(AssertUtility).GetMethod("VerifySecretKey", new[] { typeof(int), typeof(int) }));
             Assert.IsNotNull(_verifySecretKey, "VerifySecretKey not found");
 
             _obfuscationTypeMapperRegisterType = mod.Import(typeof(ObfuscationTypeMapper).GetMethod("RegisterType", BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Static, null, new[] { typeof(string) }, null));
diff --git a/Runtime/AssetUtility.cs b/Runtime/AssertUtility.cs
similarity index 90%
rename from Runtime/AssetUtility.cs
rename to Runtime/AssertUtility.cs
index e3f5fd6..2e44ef1 100644
--- a/Runtime/AssetUtility.cs
+++ b/Runtime/AssertUtility.cs
@@ -2,7 +2,7 @@
 
 namespace Obfuz
 {
-    public static class AssetUtility
+    public static class AssertUtility
     {
         public static void VerifySecretKey(int expectedValue, int actualValue)
         {
diff --git a/Runtime/AssetUtility.cs.meta b/Runtime/AssertUtility.cs.meta
similarity index 100%
rename from Runtime/AssetUtility.cs.meta
rename to Runtime/AssertUtility.cs.meta