diff --git a/.DS_Store b/.DS_Store
index bba77c3..71384d7 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/QtTcpEx/ExTcpServer/ExTcpServer.cpp b/QtTcpEx/ExTcpServer/ExTcpServer.cpp
new file mode 100644
index 0000000..ec97be3
--- /dev/null
+++ b/QtTcpEx/ExTcpServer/ExTcpServer.cpp
@@ -0,0 +1,14 @@
+#include "ExTcpServer.h"
+#include "ui_ExTcpServer.h"
+
+ExTcpServer::ExTcpServer(QWidget *parent) :
+    QMainWindow(parent),
+    ui(new Ui::ExTcpServer)
+{
+    ui->setupUi(this);
+}
+
+ExTcpServer::~ExTcpServer()
+{
+    delete ui;
+}
diff --git a/QtTcpEx/ExTcpServer/ExTcpServer.h b/QtTcpEx/ExTcpServer/ExTcpServer.h
new file mode 100644
index 0000000..edd2700
--- /dev/null
+++ b/QtTcpEx/ExTcpServer/ExTcpServer.h
@@ -0,0 +1,22 @@
+#ifndef EXTCPSERVER_H
+#define EXTCPSERVER_H
+
+#include <QMainWindow>
+
+namespace Ui {
+class ExTcpServer;
+}
+
+class ExTcpServer : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    explicit ExTcpServer(QWidget *parent = nullptr);
+    ~ExTcpServer();
+
+private:
+    Ui::ExTcpServer *ui;
+};
+
+#endif // EXTCPSERVER_H
diff --git a/QtTcpEx/ExTcpServer/ExTcpServer.pro b/QtTcpEx/ExTcpServer/ExTcpServer.pro
new file mode 100644
index 0000000..2a614cb
--- /dev/null
+++ b/QtTcpEx/ExTcpServer/ExTcpServer.pro
@@ -0,0 +1,40 @@
+#-------------------------------------------------
+#
+# Project created by QtCreator 2019-11-20T22:56:24
+#
+#-------------------------------------------------
+
+QT       += core gui
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+TARGET = ExTcpServer
+TEMPLATE = app
+
+# The following define makes your compiler emit warnings if you use
+# any feature of Qt which has been marked as deprecated (the exact warnings
+# depend on your compiler). Please consult the documentation of the
+# deprecated API in order to know how to port your code away from it.
+DEFINES += QT_DEPRECATED_WARNINGS
+
+# You can also make your code fail to compile if you use deprecated APIs.
+# In order to do so, uncomment the following line.
+# You can also select to disable deprecated APIs only up to a certain version of Qt.
+#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
+
+CONFIG += c++11
+
+SOURCES += \
+        main.cpp \
+        ExTcpServer.cpp
+
+HEADERS += \
+        ExTcpServer.h
+
+FORMS += \
+        ExTcpServer.ui
+
+# Default rules for deployment.
+qnx: target.path = /tmp/$${TARGET}/bin
+else: unix:!android: target.path = /opt/$${TARGET}/bin
+!isEmpty(target.path): INSTALLS += target
diff --git a/QtTcpEx/ExTcpServer/ExTcpServer.ui b/QtTcpEx/ExTcpServer/ExTcpServer.ui
new file mode 100644
index 0000000..5470fe7
--- /dev/null
+++ b/QtTcpEx/ExTcpServer/ExTcpServer.ui
@@ -0,0 +1,24 @@
+<ui version="4.0">
+ <class>ExTcpServer</class>
+ <widget class="QMainWindow" name="ExTcpServer" >
+  <property name="geometry" >
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle" >
+   <string>ExTcpServer</string>
+  </property>
+  <widget class="QMenuBar" name="menuBar" />
+  <widget class="QToolBar" name="mainToolBar" />
+  <widget class="QWidget" name="centralWidget" />
+  <widget class="QStatusBar" name="statusBar" />
+ </widget>
+ <layoutDefault spacing="6" margin="11" />
+ <pixmapfunction></pixmapfunction>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/QtTcpEx/ExTcpServer/main.cpp b/QtTcpEx/ExTcpServer/main.cpp
new file mode 100644
index 0000000..3f5ff50
--- /dev/null
+++ b/QtTcpEx/ExTcpServer/main.cpp
@@ -0,0 +1,11 @@
+#include "ExTcpServer.h"
+#include <QApplication>
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    ExTcpServer w;
+    w.show();
+
+    return a.exec();
+}