diff --git a/Proxmark3GUI.pro b/Proxmark3GUI.pro
index fdbaca3..b5635cf 100644
--- a/Proxmark3GUI.pro
+++ b/Proxmark3GUI.pro
@@ -1,4 +1,4 @@
-QT       += core gui
+QT       += core gui serialport
 
 greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
 
@@ -31,3 +31,8 @@ FORMS += \
 qnx: target.path = /tmp/$${TARGET}/bin
 else: unix:!android: target.path = /opt/$${TARGET}/bin
 !isEmpty(target.path): INSTALLS += target
+
+VERSION = 0.0.1
+QMAKE_TARGET_PRODUCT = "Proxmark3GUI"
+QMAKE_TARGET_DESCRIPTION = "Proxmark3GUI"
+QMAKE_TARGET_COMPANY = "wh201906"
diff --git a/README.md b/README.md
index 51ee18a..7492642 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,9 @@
 # Proxmark3GUI
-Developing...
+A GUI for Proxmark3 client
+
+***
+
+Update Log:
+
+## V0.0.1
++ a dumb version with a useless GUI and a serial choose box.
\ No newline at end of file
diff --git a/mainwindow.cpp b/mainwindow.cpp
index b2a2107..3f9c961 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -7,7 +7,13 @@ MainWindow::MainWindow(QWidget *parent)
 {
     ui->setupUi(this);
     pm3=new PM3Process;
-    connect(pm3,PM3Process::readyReadStandardError,this,MainWindow::on_pushButton_3_clicked);
+    connect(pm3,&PM3Process::readyRead,this,&MainWindow::refresh);
+    connect(ui->commandEdit,&QLineEdit::editingFinished,this,&MainWindow::sendMSG);
+    ui->portBox->addItem("");
+    foreach(QString port,pm3->findPort())
+    {
+        ui->portBox->addItem(port);
+    }
 }
 
 MainWindow::~MainWindow()
@@ -16,21 +22,46 @@ MainWindow::~MainWindow()
 }
 
 
-void MainWindow::on_pushButton_clicked()
+void MainWindow::on_connectButton_clicked()
 {
-    qDebug()<<pm3->init("E:/Documents/source/qt/pm3/win64/proxmark3.exe","COM4");
+    QString port=ui->portBox->currentText();
+    if(port=="")
+        QMessageBox::information(NULL, "Info", "Plz choose a port first", QMessageBox::Ok);
+    else
+        qDebug()<<pm3->start(ui->PM3PathEdit->text(),port);
 }
 
-void MainWindow::on_pushButton_2_clicked()
+void MainWindow::on_sendButton_clicked()
 {
-    qDebug()<<ui->plainTextEdit_2->toPlainText().toLocal8Bit();
-    pm3->write(ui->plainTextEdit_2->toPlainText().toLocal8Bit());
+    qDebug()<<(ui->commandEdit->text().toLocal8Bit());
+    pm3->write((ui->commandEdit->text()+"\r\n").toLocal8Bit());
     pm3->waitForBytesWritten(3000);
 }
 
-void MainWindow::on_pushButton_3_clicked()
+void MainWindow::refresh()
 {
-    QByteArray btay=pm3->readAllStandardOutput();
-    qDebug()<<btay;
-    ui->plainTextEdit->appendPlainText(btay);
+    QByteArray btay=pm3->readLine();
+    while(btay!="")
+    {
+        qDebug()<<btay;
+        ui->outputEdit->insertPlainText(btay);
+        btay=pm3->readLine();
+    }
+    ui->outputEdit->moveCursor(QTextCursor::End);
+}
+
+void MainWindow::sendMSG()
+{
+    if(ui->commandEdit->hasFocus())
+        on_sendButton_clicked();
+}
+
+void MainWindow::on_disconnectButton_clicked()
+{
+    pm3->kill();
+}
+
+void MainWindow::on_clearButton_clicked()
+{
+    ui->outputEdit->clear();
 }
diff --git a/mainwindow.h b/mainwindow.h
index d5ee2cd..469e98c 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -4,6 +4,7 @@
 #include <QMainWindow>
 #include <QProcess>
 #include <QDebug>
+#include <QMessageBox>
 #include "pm3process.h"
 
 QT_BEGIN_NAMESPACE
@@ -18,13 +19,18 @@ public:
     MainWindow(QWidget *parent = nullptr);
     ~MainWindow();
 
+public slots:
+    void refresh();
 private slots:
-    void on_pushButton_clicked();
+    void on_connectButton_clicked();
 
-    void on_pushButton_2_clicked();
+    void on_sendButton_clicked();
 
-    void on_pushButton_3_clicked();
+    void on_disconnectButton_clicked();
 
+    void on_clearButton_clicked();
+
+    void sendMSG();
 private:
     Ui::MainWindow *ui;
     PM3Process* pm3;
diff --git a/mainwindow.ui b/mainwindow.ui
index 8a3b849..b807653 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -6,80 +6,135 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>800</width>
-    <height>600</height>
+    <width>450</width>
+    <height>310</height>
    </rect>
   </property>
+  <property name="minimumSize">
+   <size>
+    <width>450</width>
+    <height>300</height>
+   </size>
+  </property>
   <property name="windowTitle">
-   <string>MainWindow</string>
+   <string>Proxmark3GUI</string>
   </property>
   <widget class="QWidget" name="centralwidget">
-   <widget class="QPushButton" name="pushButton">
-    <property name="geometry">
-     <rect>
-      <x>440</x>
-      <y>120</y>
-      <width>83</width>
-      <height>23</height>
-     </rect>
-    </property>
-    <property name="text">
-     <string>Connect</string>
-    </property>
-   </widget>
-   <widget class="QPlainTextEdit" name="plainTextEdit">
-    <property name="geometry">
-     <rect>
-      <x>110</x>
-      <y>120</y>
-      <width>281</width>
-      <height>181</height>
-     </rect>
-    </property>
-   </widget>
-   <widget class="QPlainTextEdit" name="plainTextEdit_2">
-    <property name="geometry">
-     <rect>
-      <x>100</x>
-      <y>340</y>
-      <width>291</width>
-      <height>31</height>
-     </rect>
-    </property>
-   </widget>
-   <widget class="QPushButton" name="pushButton_2">
-    <property name="geometry">
-     <rect>
-      <x>450</x>
-      <y>350</y>
-      <width>83</width>
-      <height>23</height>
-     </rect>
-    </property>
-    <property name="text">
-     <string>Send</string>
-    </property>
-   </widget>
-   <widget class="QPushButton" name="pushButton_3">
-    <property name="geometry">
-     <rect>
-      <x>560</x>
-      <y>350</y>
-      <width>83</width>
-      <height>23</height>
-     </rect>
-    </property>
-    <property name="text">
-     <string>Read</string>
-    </property>
-   </widget>
+   <property name="sizePolicy">
+    <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+     <horstretch>0</horstretch>
+     <verstretch>0</verstretch>
+    </sizepolicy>
+   </property>
+   <layout class="QVBoxLayout" name="verticalLayout_2">
+    <item>
+     <layout class="QHBoxLayout" name="horizontalLayout">
+      <property name="sizeConstraint">
+       <enum>QLayout::SetMaximumSize</enum>
+      </property>
+      <item>
+       <widget class="QLabel" name="label">
+        <property name="text">
+         <string>Path:</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QLineEdit" name="PM3PathEdit">
+        <property name="text">
+         <string>proxmark3</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QComboBox" name="portBox"/>
+      </item>
+      <item>
+       <widget class="QPushButton" name="connectButton">
+        <property name="text">
+         <string>Connect</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QPushButton" name="disconnectButton">
+        <property name="text">
+         <string>Disconnect</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </item>
+    <item>
+     <widget class="QTabWidget" name="funcTab">
+      <property name="sizePolicy">
+       <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+        <horstretch>0</horstretch>
+        <verstretch>0</verstretch>
+       </sizepolicy>
+      </property>
+      <property name="currentIndex">
+       <number>1</number>
+      </property>
+      <widget class="QWidget" name="tab">
+       <attribute name="title">
+        <string>Tab 1</string>
+       </attribute>
+      </widget>
+      <widget class="QWidget" name="rawTab">
+       <attribute name="title">
+        <string>RawCommand</string>
+       </attribute>
+       <layout class="QVBoxLayout" name="verticalLayout">
+        <item>
+         <widget class="QPlainTextEdit" name="outputEdit">
+          <property name="verticalScrollBarPolicy">
+           <enum>Qt::ScrollBarAlwaysOn</enum>
+          </property>
+          <property name="sizeAdjustPolicy">
+           <enum>QAbstractScrollArea::AdjustIgnored</enum>
+          </property>
+          <property name="readOnly">
+           <bool>true</bool>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <layout class="QHBoxLayout" name="horizontalLayout_3">
+          <property name="sizeConstraint">
+           <enum>QLayout::SetMaximumSize</enum>
+          </property>
+          <item>
+           <widget class="QLineEdit" name="commandEdit"/>
+          </item>
+          <item>
+           <widget class="QPushButton" name="sendButton">
+            <property name="text">
+             <string>Send</string>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QPushButton" name="clearButton">
+            <property name="text">
+             <string>ClearOutput</string>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </item>
+       </layout>
+      </widget>
+     </widget>
+    </item>
+   </layout>
   </widget>
   <widget class="QMenuBar" name="menubar">
    <property name="geometry">
     <rect>
      <x>0</x>
      <y>0</y>
-     <width>800</width>
+     <width>450</width>
      <height>22</height>
     </rect>
    </property>
diff --git a/pm3process.cpp b/pm3process.cpp
index 16bb480..59e6ca7 100644
--- a/pm3process.cpp
+++ b/pm3process.cpp
@@ -2,14 +2,28 @@
 
 PM3Process::PM3Process(QObject* parent): QProcess(parent)
 {
+    setProcessChannelMode(PM3Process::MergedChannels);
+}
 
+QStringList PM3Process::findPort()
+{
+    QSerialPort serial;
+    QStringList retList;
+    foreach(const QSerialPortInfo &info, QSerialPortInfo::availablePorts())
+    {
+        serial.setPort(info);
+        if(serial.open(QIODevice::ReadWrite))
+        {
+            retList<<info.portName();
+            serial.close();
+        }
+    }
+    return retList;
 }
 
-bool PM3Process::init(const QString path, const QString port)
+bool PM3Process::start(const QString path, const QString port)
 {
-    bool success=true;
-    this->start(path, QStringList(port));
-    qDebug()<<waitForStarted();
-    qDebug()<<waitForReadyRead(3000);
-        return true;
+    // using "-f" option to make the client output flushed after every print.
+    QProcess::start(path, QStringList()<<port<<"-f",QProcess::Unbuffered|QProcess::ReadWrite);
+    return waitForStarted();
 }
diff --git a/pm3process.h b/pm3process.h
index 131df9e..e1c0e45 100644
--- a/pm3process.h
+++ b/pm3process.h
@@ -4,13 +4,16 @@
 #include <QProcess>
 #include <QString>
 #include <QDebug>
+#include <QtSerialPort/QSerialPortInfo>
+#include <QtSerialPort/QSerialPort>
 
 class PM3Process : public QProcess
 {
     Q_OBJECT
 public:
     explicit PM3Process(QObject* parent=nullptr);
-    bool init(const QString path, const QString port);
+    bool start(const QString path, const QString port);
+    QStringList findPort();
 };
 
 #endif // PM3PROCESS_H