diff --git a/luaaa.hpp b/luaaa.hpp
index bde29d4..82eb58d 100644
--- a/luaaa.hpp
+++ b/luaaa.hpp
@@ -454,7 +454,8 @@ namespace LUAAA_NS
 	template<typename FTYPE, typename ...ARGS, std::size_t... Ns>
 	void LuaInvokeVoidImpl(lua_State* state, void* calleePtr, size_t skip, indices<Ns...>)
 	{
-		(*(FTYPE*)(calleePtr))(LuaStack<ARGS>::get(state, Ns + 2 + skip)...);
+        LUAAA_DUMP(state, "3");
+		(*(FTYPE*)(calleePtr))(LuaStack<ARGS>::get(state, Ns + 1 + skip)...);
 	}
 
 	template<typename FTYPE, typename ...ARGS>
@@ -466,7 +467,8 @@ namespace LUAAA_NS
 	template<typename TRET, typename FTYPE, typename ...ARGS, std::size_t... Ns>
 	TRET LuaInvokeImpl(lua_State* state, void* calleePtr, size_t skip, indices<Ns...>)
 	{
-		return (*(FTYPE*)(calleePtr))(LuaStack<ARGS>::get(state, Ns + 2 + skip)...);
+        LUAAA_DUMP(state, "4");
+		return (*(FTYPE*)(calleePtr))(LuaStack<ARGS>::get(state, Ns + 1 + skip)...);
 	}
 
 	template<typename TRET, typename FTYPE, typename ...ARGS>
@@ -570,6 +572,7 @@ namespace LUAAA_NS
 	template<typename TCLASS, typename TRET, typename FTYPE, typename ...ARGS, std::size_t... Ns>
 	TRET LuaInvokeInstanceMemberImpl(lua_State* state, void* calleePtr, indices<Ns...>)
 	{
+        LUAAA_DUMP(state, "1");
 		return (LuaStack<TCLASS>::get(state, 1).**(FTYPE*)(calleePtr))(LuaStack<ARGS>::get(state, Ns + 2)...);
 	}
 
@@ -582,6 +585,7 @@ namespace LUAAA_NS
 	template<typename TCLASS, typename FTYPE, typename ...ARGS, std::size_t... Ns>
 	void LuaInvokeInstanceMemberVoidImpl(lua_State* state, void* calleePtr, indices<Ns...>)
 	{
+        LUAAA_DUMP(state, "2");
 		(LuaStack<TCLASS>::get(state, 1).**(FTYPE*)(calleePtr))(LuaStack<ARGS>::get(state, Ns + 2)...);
 	}
 
@@ -786,7 +790,7 @@ namespace LUAAA_NS
                     TCLASS ** objPtr = (TCLASS **)lua_newuserdata(state, sizeof(TCLASS*) + sizeof(TCLASS));
                     if (objPtr)
                     {
-                        TCLASS * obj = PlacementConstructorCaller<TCLASS, ARGS...>(state, (void*)(objPtr + 1));
+                        TCLASS * obj = PlacementConstructorCaller<TCLASS, ARGS...>::Invoke(state, (void*)(objPtr + 1));
 
                         *objPtr = obj;
                         luaL_Reg destructor[] = { { "__gc", HelperClass::f_gc },{ nullptr, nullptr } };