diff --git a/image/black_bg.jpg b/image/black_bg.jpg
new file mode 100644
index 0000000..1c6576a
Binary files /dev/null and b/image/black_bg.jpg differ
diff --git a/main.cpp b/main.cpp
index 063c36a..31d9c45 100644
--- a/main.cpp
+++ b/main.cpp
@@ -33,7 +33,8 @@ int main(int argc, char *argv[])
 
     QObject::connect(&w,&MainWidget::statusChanged,&httpService,&HttpService::updateStatus);
 
-    w.show();
+//    w.show();
+    w.showFullScreen();
 
     return a.exec();
 }
diff --git a/mainwidget.cpp b/mainwidget.cpp
index 3acfebd..e0b2b41 100644
--- a/mainwidget.cpp
+++ b/mainwidget.cpp
@@ -36,6 +36,24 @@ MainWidget::MainWidget(QWidget *parent) :
 
     //显示连接状态
     ui->statusLabel->setText("Not Connected");
+
+    //显示设置
+    QFont font1, font2;
+    font1.setPointSize(150);
+    font2.setPointSize(20);
+    ui->textLabel->setFont(font1);
+    ui->countdownLabel->setFont(font1);
+    ui->statusLabel->setFont(font2);
+    ui->textLabel->setStyleSheet("QLabel {color: rgb(255,0,0);}");//设置文本红色
+    ui->countdownLabel->setStyleSheet("QLabel {color: rgb(255,0,0);}");//设置文本红色
+    ui->statusLabel->setStyleSheet("QLabel {color: rgb(85,255,0);}");//设置文本绿色
+    ui->textLabel->setAlignment(Qt::AlignHCenter);
+    ui->countdownLabel->setAlignment(Qt::AlignHCenter);
+    ui->statusLabel->setAlignment(Qt::AlignRight);
+    ui->textLabel->setAlignment(Qt::AlignCenter);
+    ui->countdownLabel->setAlignment(Qt::AlignCenter);
+    ui->statusLabel->setAlignment(Qt::AlignCenter);
+
 }
 
 MainWidget::~MainWidget()
@@ -77,6 +95,27 @@ void MainWidget::updateUi()
     ui->countdownLabel->setText(str);
 }
 
+void MainWidget::paintEvent(QPaintEvent *event)
+{
+    //设置背景图片
+    QPainter p(this);
+    p.drawPixmap(0,0,this->width(),this->height(),QPixmap(":/image/black_bg.jpg"));
+//    qDebug() << "MainWidget::paintEvent";
+
+    //重新调整label字体大小
+    //TODO
+}
+
+void MainWidget::resizeEvent(QResizeEvent *event)
+{
+    QWidget::resizeEvent(event);
+
+    //标题
+    ui->textLabel->setGeometry(0,0,this->width(),(this->height()-20)/2);
+    ui->countdownLabel->setGeometry(0,(this->height()-20)/2,this->width(),(this->height()-20)/2);
+    ui->statusLabel->setGeometry(0,this->height()-16,this->width(),20);
+}
+
 void MainWidget::onWsConnectedStatusChanged(int status)
 {
     qDebug() << "MainWidget::onWsConnectedStatusChanged " << status;
diff --git a/mainwidget.h b/mainwidget.h
index c58b13b..e4d6280 100644
--- a/mainwidget.h
+++ b/mainwidget.h
@@ -4,6 +4,7 @@
 #include <QWidget>
 #include "patientemergencyinfo.h"
 #include <QTimer>
+#include <QtWidgets>
 
 namespace Ui {
 class MainWidget;
@@ -16,6 +17,8 @@ class MainWidget : public QWidget
 public:
     explicit MainWidget(QWidget *parent = 0);
     ~MainWidget();
+    void paintEvent(QPaintEvent *event);
+    void resizeEvent(QResizeEvent *event);
 
 private:
     Ui::MainWidget *ui;
diff --git a/mainwidget.ui b/mainwidget.ui
index f5ccf4c..7da9a5c 100644
--- a/mainwidget.ui
+++ b/mainwidget.ui
@@ -48,6 +48,11 @@
      <height>20</height>
     </rect>
    </property>
+   <property name="font">
+    <font>
+     <pointsize>20</pointsize>
+    </font>
+   </property>
    <property name="text">
     <string>statusLabel</string>
    </property>
diff --git a/resource.qrc b/resource.qrc
index e137aa3..de84d0a 100644
--- a/resource.qrc
+++ b/resource.qrc
@@ -1,5 +1,6 @@
 <RCC>
     <qresource prefix="/">
         <file>image/header.png</file>
+        <file>image/black_bg.jpg</file>
     </qresource>
 </RCC>