diff --git a/doric-Qt/doric/doric.pro.user b/doric-Qt/doric/doric.pro.user
index 3f716abb..b8b41865 100644
--- a/doric-Qt/doric/doric.pro.user
+++ b/doric-Qt/doric/doric.pro.user
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 4.14.1, 2021-03-31T10:31:13. -->
+<!-- Written by QtCreator 4.14.1, 2021-03-31T15:12:05. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>
@@ -523,6 +523,7 @@
     <value type="bool" key="RunConfiguration.UseLibrarySearchPath">true</value>
     <value type="bool" key="RunConfiguration.UseQmlDebugger">false</value>
     <value type="bool" key="RunConfiguration.UseQmlDebuggerAuto">true</value>
+    <value type="QString" key="RunConfiguration.WorkingDirectory.default">C:/Users/maverick/Workspace/Doric/doric-Qt/build-doric-Desktop_Qt_6_0_1_MinGW_64_bit-Debug</value>
    </valuemap>
    <value type="int" key="ProjectExplorer.Target.RunConfigurationCount">1</value>
   </valuemap>
diff --git a/doric-Qt/doric/engine/DoricJSEngine.cpp b/doric-Qt/doric/engine/DoricJSEngine.cpp
index fe1aae56..8a4e3777 100644
--- a/doric-Qt/doric/engine/DoricJSEngine.cpp
+++ b/doric-Qt/doric/engine/DoricJSEngine.cpp
@@ -102,6 +102,7 @@ QJSValue DoricJSEngine::invokeDoricMethod(QString method,
 void DoricJSEngine::loadBuiltinJS(QString assetName) {
   QString script = DoricUtils::readAssetFile("/doric", assetName);
   QString result = mJSE->loadJS(script, "Assets://" + assetName);
+  qDebug() << result;
 }
 
 QString DoricJSEngine::packageContextScript(QString contextId,
diff --git a/doric-Qt/doric/engine/DoricNativeJSE.h b/doric-Qt/doric/engine/DoricNativeJSE.h
index f09734ae..29de8405 100644
--- a/doric-Qt/doric/engine/DoricNativeJSE.h
+++ b/doric-Qt/doric/engine/DoricNativeJSE.h
@@ -2,13 +2,13 @@
 #define NATIVE_JSE_H
 
 #include "DoricInterfaceJSE.h"
-#include "native/NativeExecutor.h"
+//#include "native/NativeExecutor.h"
 #include "v8/V8Executor.h"
 
 class DoricNativeJSE : public DoricInterfaceJSE {
 private:
   V8Executor *v8Executor;
-  NativeExecutor *nativeExecutor;
+//  NativeExecutor *nativeExecutor;
 
 public:
   DoricNativeJSE();
diff --git a/doric-Qt/doric/engine/v8/V8Executor.cpp b/doric-Qt/doric/engine/v8/V8Executor.cpp
index abf6e9eb..debf92f7 100644
--- a/doric-Qt/doric/engine/v8/V8Executor.cpp
+++ b/doric-Qt/doric/engine/v8/V8Executor.cpp
@@ -1,10 +1,7 @@
 #include "V8Executor.h"
 #include "JSValueHelper.h"
 
-#include <QThread>
-
-V8Executor::V8Executor() {
-  std::unique_ptr<v8::Platform> platform = v8::platform::NewDefaultPlatform();
+V8Executor::V8Executor() : platform(v8::platform::NewDefaultPlatform()) {
   v8::V8::InitializePlatform(platform.get());
   v8::V8::Initialize();
 
diff --git a/doric-Qt/doric/engine/v8/V8Executor.h b/doric-Qt/doric/engine/v8/V8Executor.h
index 18a32e22..f5413023 100644
--- a/doric-Qt/doric/engine/v8/V8Executor.h
+++ b/doric-Qt/doric/engine/v8/V8Executor.h
@@ -10,6 +10,7 @@
 class V8Executor {
 
 private:
+  std::unique_ptr<v8::Platform> platform;
   v8::Isolate::CreateParams create_params;
   v8::Isolate *m_isolate;
   v8::Isolate::Scope *m_isolate_scope;