diff --git a/Editor/ReversePInvokeWrap/Analyzer.cs b/Editor/ReversePInvokeWrap/Analyzer.cs
index 9fb2a1b..fe41062 100644
--- a/Editor/ReversePInvokeWrap/Analyzer.cs
+++ b/Editor/ReversePInvokeWrap/Analyzer.cs
@@ -82,6 +82,7 @@ namespace HybridCLR.Editor.ReversePInvokeWrap
                     ReturnInfo = new ReturnInfo { Type = typeCreator.CreateTypeInfo(method.Method.ReturnType)},
                     ParamInfos = method.Method.Parameters.Select(p => new ParamInfo { Type = typeCreator.CreateTypeInfo(p.Type)}).ToList(),
                 };
+                typeCreator.OptimizeMethod(desc);
                 desc.Init();
                 if (!methodsBySig.TryGetValue(desc.Sig, out var arm))
                 {
diff --git a/package.json b/package.json
index 2baa87b..a9ba008 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "com.focus-creative-games.hybridclr_unity",
-  "version": "0.5.0",
+  "version": "0.5.1",
   "displayName": "HybridCLR",
   "description": "Unity package for HybridCLR. It includes editor and runtime scripts and assets for HybridCLR",
   "category": "Runtime",