diff --git a/doric/context.h b/doric/context.h
index 59cbf45e..941d10de 100644
--- a/doric/context.h
+++ b/doric/context.h
@@ -14,19 +14,19 @@ class Context
 
 private:
     int contextId;
-    QString* source;
+    QString *source;
 
 public:
-    Driver* driver = NativeDriver::getInstance();
+    Driver *driver = NativeDriver::getInstance();
 
-    Context(int contextId, QString* source) {
+    Context(int contextId, QString *source) {
         this->contextId = contextId;
         this->source = source;
     }
 
     void show() {
-        QString* method = new QString(Constant::DORIC_ENTITY_SHOW);
-        QVector<QString*>* arguments = new QVector<QString*>();
+        QString *method = new QString(Constant::DORIC_ENTITY_SHOW);
+        QVector<QString*> *arguments = new QVector<QString*>();
 
         driver->invokeContextEntityMethod(contextId, method, nullptr);
 
@@ -35,12 +35,12 @@ public:
     }
 
     void init(double width, double height) {
-        QJsonObject* jsonObject = new QJsonObject();
+        QJsonObject *jsonObject = new QJsonObject();
         jsonObject->insert("width", width);
         jsonObject->insert("height", height);
 
-        QString* method = new QString(Constant::DORIC_ENTITY_INIT);
-        QVariant* variant = new QVariant();
+        QString *method = new QString(Constant::DORIC_ENTITY_INIT);
+        QVariant *variant = new QVariant();
         variant->setValue(*jsonObject);
 
         driver->invokeContextEntityMethod(contextId, method, variant, nullptr);
diff --git a/doric/driver/native_driver.cpp b/doric/driver/native_driver.cpp
index 5603e2ed..6216f24a 100644
--- a/doric/driver/native_driver.cpp
+++ b/doric/driver/native_driver.cpp
@@ -15,8 +15,8 @@ void NativeDriver::destroyContext(int contextId)  {
     jsEngine->destroyContext(contextId);
 }
 
-void NativeDriver::invokeContextEntityMethod(int contextId, QString* method, ...) {
-    QJSValueList* arguments = new QJSValueList();
+void NativeDriver::invokeContextEntityMethod(int contextId, QString *method, ...) {
+    QJSValueList *arguments = new QJSValueList();
     arguments->append(QJSValue(QString::number(contextId)));
     arguments->append(QJSValue(*method));
 
@@ -25,8 +25,8 @@ void NativeDriver::invokeContextEntityMethod(int contextId, QString* method, ...
     auto argument = va_arg(vaList, QVariant*);
     while (argument != nullptr) {
         if (QString(typeid(QJsonObject).name()).contains(QString(argument->typeName()))) {
-            QJsonObject* jsonObject = static_cast<QJsonObject*>(argument->data());
-            QJsonValue* jsonValue = new QJsonValue(*jsonObject);
+            QJsonObject *jsonObject = static_cast<QJsonObject*>(argument->data());
+            QJsonValue *jsonValue = new QJsonValue(*jsonObject);
             QJSValue jsValue = Utility::convert(jsEngine->engine, *jsonValue);
             delete jsonValue;
             arguments->append(jsValue);
diff --git a/doric/engine/js_engine.h b/doric/engine/js_engine.h
index 4e352382..5a011b88 100644
--- a/doric/engine/js_engine.h
+++ b/doric/engine/js_engine.h
@@ -44,10 +44,10 @@ public:
     }
 
 private:
-    NativeLog* nativeLog = new NativeLog();
-    NativeTimer* nativeTimer = new NativeTimer(engine);
-    NativeEmpty* nativeEmpty = new NativeEmpty();
-    NativeBridge* nativeBridge = new NativeBridge();
+    NativeLog *nativeLog = new NativeLog();
+    NativeTimer *nativeTimer = new NativeTimer(engine);
+    NativeEmpty *nativeEmpty = new NativeEmpty();
+    NativeBridge *nativeBridge = new NativeBridge();
 
     void initJSEngine() {
         engine->installExtensions(QJSEngine::AllExtensions);
diff --git a/doric/main.cpp b/doric/main.cpp
index 72dfca14..377c3e08 100644
--- a/doric/main.cpp
+++ b/doric/main.cpp
@@ -29,7 +29,7 @@ int main(int argc, char *argv[])
         file->close();
         delete file;
 
-        QString* source = new QString("Snake.js");
+        QString *source = new QString("Snake.js");
         Context *context = ContextManager::getInstance()->createContext(&script, source);
         context->show();
         context->init(180, 320);
diff --git a/doric/native/native_bridge.cpp b/doric/native/native_bridge.cpp
index beba2dad..5e5c2d45 100644
--- a/doric/native/native_bridge.cpp
+++ b/doric/native/native_bridge.cpp
@@ -7,5 +7,5 @@ Q_INVOKABLE void NativeBridge::function(int contextId, QString module, QString m
                 "methodName: " + methodName + ", " +
                 "callbackId: " + callbackId + ", " +
                 "arguments: " + jsValue.toString();
-    Context* context = ContextManager::getInstance()->getContext(contextId);
+    Context *context = ContextManager::getInstance()->getContext(contextId);
 }
diff --git a/doric/native/native_timer.h b/doric/native/native_timer.h
index b85ba9e7..89575af5 100644
--- a/doric/native/native_timer.h
+++ b/doric/native/native_timer.h
@@ -13,15 +13,15 @@ class NativeTimer : public QObject {
 
 private:
     QSet<long> *deletedTimerIds = new QSet<long>();
-    QJSEngine* engine;
+    QJSEngine *engine;
 
 public:
-    NativeTimer(QJSEngine* engine, QObject *parent = nullptr) : QObject(parent) {
+    NativeTimer(QJSEngine *engine, QObject *parent = nullptr) : QObject(parent) {
         this->engine = engine;
     }
 
     Q_INVOKABLE void setTimer(long timerId, int time, bool repeat) {
-        QTimer* timer = new QTimer(this);
+        QTimer *timer = new QTimer(this);
         timer->setSingleShot(!repeat);
         connect(timer, &QTimer::timeout, this, [=] () {
             if (deletedTimerIds->contains(timerId)) {
diff --git a/doric/plugin/shader_plugin.h b/doric/plugin/shader_plugin.h
index da70df05..dff442d0 100644
--- a/doric/plugin/shader_plugin.h
+++ b/doric/plugin/shader_plugin.h
@@ -6,7 +6,7 @@
 class ShaderPlugin : public ContextHolder {
 
 public:
-    ShaderPlugin(Context* context) : ContextHolder(context) {}
+    ShaderPlugin(Context *context) : ContextHolder(context) {}
 };
 
 #endif // SHADER_PLUGIN_H
diff --git a/doric/utility/utility.h b/doric/utility/utility.h
index 74cdb12f..b5d051c8 100644
--- a/doric/utility/utility.h
+++ b/doric/utility/utility.h
@@ -9,7 +9,7 @@
 class Utility {
 
 public:
-    static QJSValue convert(QJSEngine* jsEngine, QJsonValue jsonValue) {
+    static QJSValue convert(QJSEngine *jsEngine, QJsonValue jsonValue) {
         if (jsonValue.isBool()) {
             return QJSValue(jsonValue.toBool());
         } else if (jsonValue.isString()) {