diff --git a/doric-Qt/doric/doric.pro b/doric-Qt/doric/doric.pro
index 7eb7d0db..470be94a 100644
--- a/doric-Qt/doric/doric.pro
+++ b/doric-Qt/doric/doric.pro
@@ -1,6 +1,6 @@
 QT += quick
 
-CONFIG += c++11
+CONFIG += c++14
 
 # The following define makes your compiler emit warnings if you use
 # any Qt feature that has been marked deprecated (the exact warnings
diff --git a/doric-Qt/doric/engine/native/NativeExecutor.cpp b/doric-Qt/doric/engine/native/NativeExecutor.cpp
index aa345322..6e6cbf4e 100644
--- a/doric-Qt/doric/engine/native/NativeExecutor.cpp
+++ b/doric-Qt/doric/engine/native/NativeExecutor.cpp
@@ -1,5 +1,7 @@
 #include "NativeExecutor.h"
 
+#include <QDebug>
+
 NativeExecutor::NativeExecutor() {
   mJSEngine = new QJSEngine();
   mJSEngine->installExtensions(QJSEngine::AllExtensions);
diff --git a/doric-Qt/doric/plugin/DoricModalPlugin.cpp b/doric-Qt/doric/plugin/DoricModalPlugin.cpp
index 84a26373..3afb0e3c 100644
--- a/doric-Qt/doric/plugin/DoricModalPlugin.cpp
+++ b/doric-Qt/doric/plugin/DoricModalPlugin.cpp
@@ -35,14 +35,16 @@ void DoricModalPlugin::toast(QString jsValueString, QString callbackId) {
             .at(0)
             ->childItems()
             .at(0)
+            ->childItems()
+            .at(0)
             ->setProperty("text", msg);
 
-        std::function setX = [window, parentWindow]() {
+        std::function<void()> setX = [window, parentWindow]() {
           window->setProperty("x",
                               (parentWindow->width() - window->width()) / 2.f +
                                   parentWindow->x());
         };
-        std::function setY = [window, parentWindow, gravity]() {
+        std::function<void()> setY = [window, parentWindow, gravity]() {
           if ((gravity & DoricGravity::DoricGravityBottom) ==
               DoricGravity::DoricGravityBottom) {
             window->setProperty("y", parentWindow->height() - window->height() -
@@ -101,12 +103,12 @@ void DoricModalPlugin::alert(QString jsValueString, QString callbackId) {
         QQuickWindow *parentWindow =
             getContext()->getRootNode()->getRootView()->window();
 
-        std::function setX = [window, parentWindow]() {
+        std::function<void()> setX = [window, parentWindow]() {
           window->setProperty("x",
                               (parentWindow->width() - window->width()) / 2.f +
                                   parentWindow->x());
         };
-        std::function setY = [window, parentWindow]() {
+        std::function<void()> setY = [window, parentWindow]() {
           window->setProperty("y",
                               (parentWindow->height() - window->height()) / 2 +
                                   parentWindow->y());
@@ -156,12 +158,12 @@ void DoricModalPlugin::confirm(QString jsValueString, QString callbackId) {
         QQuickWindow *parentWindow =
             getContext()->getRootNode()->getRootView()->window();
 
-        std::function setX = [window, parentWindow]() {
+        std::function<void()> setX = [window, parentWindow]() {
           window->setProperty("x",
                               (parentWindow->width() - window->width()) / 2.f +
                                   parentWindow->x());
         };
-        std::function setY = [window, parentWindow]() {
+        std::function<void()> setY = [window, parentWindow]() {
           window->setProperty("y",
                               (parentWindow->height() - window->height()) / 2 +
                                   parentWindow->y());
@@ -211,12 +213,12 @@ void DoricModalPlugin::prompt(QString jsValueString, QString callbackId) {
         QQuickWindow *parentWindow =
             getContext()->getRootNode()->getRootView()->window();
 
-        std::function setX = [window, parentWindow]() {
+        std::function<void()> setX = [window, parentWindow]() {
           window->setProperty("x",
                               (parentWindow->width() - window->width()) / 2.f +
                                   parentWindow->x());
         };
-        std::function setY = [window, parentWindow]() {
+        std::function<void()> setY = [window, parentWindow]() {
           window->setProperty("y",
                               (parentWindow->height() - window->height()) / 2 +
                                   parentWindow->y());
diff --git a/doric-Qt/doric/resources/alert.qml b/doric-Qt/doric/resources/alert.qml
index f48e8c54..f6431859 100644
--- a/doric-Qt/doric/resources/alert.qml
+++ b/doric-Qt/doric/resources/alert.qml
@@ -1,7 +1,7 @@
 import QtQuick 2.12
 import QtQuick.Controls 2.12
 
-Window {
+ApplicationWindow {
     id: window
 
     flags: flags | Qt.WindowStaysOnTopHint | Qt.Tool | Qt.FramelessWindowHint
diff --git a/doric-Qt/doric/resources/confirm.qml b/doric-Qt/doric/resources/confirm.qml
index 997f1ba3..d5e26a0d 100644
--- a/doric-Qt/doric/resources/confirm.qml
+++ b/doric-Qt/doric/resources/confirm.qml
@@ -1,7 +1,7 @@
 import QtQuick 2.12
 import QtQuick.Controls 2.12
 
-Window {
+ApplicationWindow {
     id: window
 
     flags: flags | Qt.WindowStaysOnTopHint | Qt.Tool | Qt.FramelessWindowHint
diff --git a/doric-Qt/doric/resources/prompt.qml b/doric-Qt/doric/resources/prompt.qml
index 95adcc29..893e39d7 100644
--- a/doric-Qt/doric/resources/prompt.qml
+++ b/doric-Qt/doric/resources/prompt.qml
@@ -2,7 +2,7 @@ import QtQuick 2.12
 import QtQuick.Controls 2.12
 import QtQuick.Layouts 1.15
 
-Window {
+ApplicationWindow {
     id: window
 
     flags: flags | Qt.WindowStaysOnTopHint | Qt.Tool | Qt.FramelessWindowHint
diff --git a/doric-Qt/doric/resources/toast.qml b/doric-Qt/doric/resources/toast.qml
index 4e9075b4..1e49837e 100644
--- a/doric-Qt/doric/resources/toast.qml
+++ b/doric-Qt/doric/resources/toast.qml
@@ -2,7 +2,7 @@ import QtQuick 2.12
 import QtQuick.Controls 2.5
 import QtQuick.Layouts 1.15
 
-Window {
+ApplicationWindow {
     id: window
 
     flags: flags | Qt.WindowStaysOnTopHint  | Qt.Tool | Qt.FramelessWindowHint | Qt.WindowTransparentForInput
diff --git a/doric-Qt/doric/shader/DoricGroupNode.cpp b/doric-Qt/doric/shader/DoricGroupNode.cpp
index 16504e25..0a9849a5 100644
--- a/doric-Qt/doric/shader/DoricGroupNode.cpp
+++ b/doric-Qt/doric/shader/DoricGroupNode.cpp
@@ -48,7 +48,7 @@ void DoricGroupNode::configChildNode() {
             oldNode->blend(model["props"]);
           } else {
             // Replace this view
-            mChildNodes.remove(idx);
+            mChildNodes.removeAt(idx);
             oldNode->getNodeView()->setParent(nullptr);
             oldNode->getNodeView()->setParentItem(nullptr);
             oldNode->getNodeView()->deleteLater();
@@ -132,7 +132,7 @@ void DoricGroupNode::configChildNode() {
   int size = mChildNodes.size();
   for (int idx = mChildViewIds.size(); idx < size; idx++) {
     DoricViewNode *viewNode = mChildNodes.at(mChildViewIds.size());
-    mChildNodes.remove(mChildViewIds.size());
+    mChildNodes.removeAt(mChildViewIds.size());
     viewNode->getNodeView()->setParent(nullptr);
     viewNode->getNodeView()->setParentItem(nullptr);
     viewNode->getNodeView()->deleteLater();
diff --git a/doric-Qt/doric/shader/DoricViewNode.cpp b/doric-Qt/doric/shader/DoricViewNode.cpp
index 07b68b2a..c70dc8b9 100644
--- a/doric-Qt/doric/shader/DoricViewNode.cpp
+++ b/doric-Qt/doric/shader/DoricViewNode.cpp
@@ -153,7 +153,7 @@ void DoricViewNode::requestLayout() {}
 void DoricViewNode::callJSResponse(QString funcId, QVariantList args) {
   QVariantList nArgs;
   QList<QString> idList = getIdList();
-  nArgs.append(idList);
+  nArgs.append(QVariant(idList));
   nArgs.append(funcId);
   foreach (const QVariant &arg, args)
     nArgs.append(arg);
diff --git a/doric-Qt/doric/utils/DoricLayouts.cpp b/doric-Qt/doric/utils/DoricLayouts.cpp
index bbf3c893..3e92d468 100644
--- a/doric-Qt/doric/utils/DoricLayouts.cpp
+++ b/doric-Qt/doric/utils/DoricLayouts.cpp
@@ -492,9 +492,9 @@ void DoricLayouts::setFrame() {
               << " measuredX: " << this->measuredX
               << " measuredY: " << this->measuredY;
 
-  if (qFabs(this->measuredWidth - this->view->width() >= 0.00001f))
+  if (qAbs(this->measuredWidth - this->view->width() >= 0.00001f))
     this->view->setProperty("width", this->measuredWidth);
-  if (qFabs(this->measuredHeight - this->view->height() >= 0.00001f))
+  if (qAbs(this->measuredHeight - this->view->height() >= 0.00001f))
     this->view->setProperty("height", this->measuredHeight);
 
   this->view->setProperty("x", this->measuredX);
diff --git a/doric-Qt/doric/utils/DoricUtils.h b/doric-Qt/doric/utils/DoricUtils.h
index c23f0a38..83bb1c56 100644
--- a/doric-Qt/doric/utils/DoricUtils.h
+++ b/doric-Qt/doric/utils/DoricUtils.h
@@ -14,7 +14,7 @@ public:
     QFile *file = new QFile(resource.fileName());
     file->open(QFile::ReadOnly | QFile::Text);
     QTextStream in(file);
-    in.setEncoding(QStringConverter::Encoding::Utf8);
+    in.setAutoDetectUnicode(true);
     QString content = in.readAll();
     file->close();
     delete file;