diff --git a/Editor/ABI/ParamInfo.cs b/Editor/ABI/ParamInfo.cs
index 494b620..eded5d1 100644
--- a/Editor/ABI/ParamInfo.cs
+++ b/Editor/ABI/ParamInfo.cs
@@ -40,5 +40,10 @@ namespace HybridCLR.Editor.ABI
         {
             return Type.GetParamSlotNum();
         }
+
+        public override string ToString()
+        {
+            return Type.GetTypeName();
+        }
     }
 }
diff --git a/Editor/ReversePInvokeWrap/Generator.cs b/Editor/ReversePInvokeWrap/Generator.cs
index 7491b4f..6556b66 100644
--- a/Editor/ReversePInvokeWrap/Generator.cs
+++ b/Editor/ReversePInvokeWrap/Generator.cs
@@ -21,17 +21,17 @@ namespace HybridCLR.Editor.ReversePInvokeWrap
             {
                 MethodDesc method = methodInfo.Method;
                 string paramDeclaringListWithoutMethodInfoStr = string.Join(", ", method.ParamInfos.Select(p => $"{p.Type.GetTypeName()} __arg{p.Index}"));
-                string paramNameListWithoutMethodInfoStr = string.Join(", ", method.ParamInfos.Select(p => $"__arg{p.Index}"));
+                string paramNameListWithoutMethodInfoStr = string.Join(", ", method.ParamInfos.Select(p => $"__arg{p.Index}").Concat(new string[] { "method" }));
                 string paramTypeListWithMethodInfoStr = string.Join(", ", method.ParamInfos.Select(p => $"{p.Type.GetTypeName()}").Concat(new string[] { "const MethodInfo*" }));
                 string methodTypeDef = $"typedef {method.ReturnInfo.Type.GetTypeName()} (*Callback)({paramTypeListWithMethodInfoStr})";
                 for (int i = 0; i < methodInfo.Count; i++, methodIndex++)
                 {
                     codes.Add($@"
-	void __ReversePInvokeMethod_{methodIndex}({paramDeclaringListWithoutMethodInfoStr})
+	{method.ReturnInfo.Type.GetTypeName()} __ReversePInvokeMethod_{methodIndex}({paramDeclaringListWithoutMethodInfoStr})
 	{{
         const MethodInfo* method = MetadataModule::GetMethodInfoByReversePInvokeWrapperIndex({i});
         {methodTypeDef};
-		((Callback)(method->methodPointerCallByInterp))({paramNameListWithoutMethodInfoStr}, method);
+		{(method.ReturnInfo.IsVoid ? "" : "return ")}((Callback)(method->methodPointerCallByInterp))({paramNameListWithoutMethodInfoStr});
 	}}
 ");
                     stubCodes.Add($"\t\t{{\"{method.Sig}\", (Il2CppMethodPointer)__ReversePInvokeMethod_{methodIndex}}},\n");
diff --git a/package.json b/package.json
index 0e67720..5915c67 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "com.focus-creative-games.hybridclr_unity",
-  "version": "0.7.3",
+  "version": "0.7.4",
   "displayName": "HybridCLR",
   "description": "Unity package for HybridCLR. It includes editor and runtime scripts and assets for HybridCLR",
   "category": "Runtime",