diff --git a/.gitignore b/.gitignore
index 3abbde5..3840546 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,4 +4,5 @@
 /src/ShimLib/ShimLib.c
 /project/
 /src/styles/
-/cmake-build-release/
\ No newline at end of file
+/cmake-build-release/
+/bin/
diff --git a/src/SelectFormWidget.cpp b/src/SelectFormWidget.cpp
index fc191c4..babfb77 100644
--- a/src/SelectFormWidget.cpp
+++ b/src/SelectFormWidget.cpp
@@ -80,6 +80,7 @@ SelectFormWidget::SelectFormWidget(QWidget *parent) :
     table->setColumnWidth(2,250);
     table->setColumnWidth(3,120);
     table->setColumnWidth(4,60);
+
     contentLayout->addWidget(table);
     QWidget* spacerLine2= new QWidget(this);
     spacerLine2->setFixedWidth(2);
@@ -89,7 +90,18 @@ SelectFormWidget::SelectFormWidget(QWidget *parent) :
     EditPatientForm* edit_patient= new EditPatientForm(this);
     edit_patient->setObjectName("edit_patient");
     contentLayout->addWidget(edit_patient);
-
+    //select default row 0
+    if (model->rowCount()>0)
+    {
+        table->selectRow(0);
+        currentRow=0;
+        PatientInformation pat;
+        #define ADD_PATIENT_PROPERTY(val)\
+        pat. val = model->data(model->index(currentRow,PatientInformationEnum:: val)).toString();
+        EDIT_PATIENT()
+        #undef ADD_PATIENT_PROPERTY
+        edit_patient->setPatientInformation(&pat);
+    }
     //events----------------------------------------------------------------------
     //table current row selection changing event
     connect(table,&QTableView::clicked,[=](const QModelIndex & modelIndex){
diff --git a/src/loginwindow.cpp b/src/loginwindow.cpp
index 5cd734b..1aec43c 100644
--- a/src/loginwindow.cpp
+++ b/src/loginwindow.cpp
@@ -100,7 +100,6 @@ void LoginWindow::initUi()
     m_pVMainLayout->addSpacerItem(new QSpacerItem(20,20,QSizePolicy::Minimum,QSizePolicy::Expanding));
 
 	initUserList();
-    SQLHelper::Open();
 }
 
 void LoginWindow::init()
diff --git a/src/main.cpp b/src/main.cpp
index bb61b90..ade262d 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3,6 +3,7 @@
 #include "loginwindow.h"
 #include "InputObject.h"
 #include <QQmlApplicationEngine>
+#include <src/db/SQLHelper.h>
 
 int main(int argc, char *argv[])
 {
@@ -25,23 +26,21 @@ int main(int argc, char *argv[])
 
 	//a.installEventFilter(obj);
     InputObject *obj = new InputObject();
-
 	a.installEventFilter(obj);
-
-    needLogin:
-    LoginWindow l;
-    l.showFullScreen();
-
-
+    SQLHelper::Open();
     MainWindow w;
+    w.showFullScreen();
+    LoginWindow l;
+    needLogin:
+    l.showFullScreen();
     int rec =  l.exec();
     if (rec !=QDialog::Accepted )
     {
         goto needLogin;
     }
 //    l.deleteLater();
+    w.centerWidgetShow();
 
-    w.showFullScreen();
 
     return a.exec();
 }
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 75ac857..0304de1 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -131,9 +131,18 @@ MainWindow::MainWindow(QWidget *parent) :
         msgDialog->hide();
     });
     DeviceManager::Default()->initDevice();
+    centerWidgetHide();
 }
 
 MainWindow::~MainWindow()
 {
     delete ui;
 }
+
+void MainWindow::centerWidgetHide() {
+    ui->centralWidget->hide();
+}
+
+void MainWindow::centerWidgetShow() {
+    ui->centralWidget->show();
+}
diff --git a/src/mainwindow.h b/src/mainwindow.h
index 1642914..122aab6 100644
--- a/src/mainwindow.h
+++ b/src/mainwindow.h
@@ -14,7 +14,8 @@ class MainWindow : public QMainWindow
 public:
     explicit MainWindow(QWidget *parent = nullptr);
     ~MainWindow();
-
+    void centerWidgetHide();
+    void centerWidgetShow();
 private:
     Ui::MainWindow *ui;
     GUIMessageDialog* msgDialog = nullptr;