diff --git a/QCPShow.pro.user b/QCPShow.pro.user
index 789e5c6..f6a85bf 100644
--- a/QCPShow.pro.user
+++ b/QCPShow.pro.user
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 4.2.1, 2021-11-07T20:57:44. -->
+<!-- Written by QtCreator 4.2.1, 2021-11-21T23:21:14. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>
diff --git a/deviceservice.cpp b/deviceservice.cpp
index 8e8fb4e..c407d82 100644
--- a/deviceservice.cpp
+++ b/deviceservice.cpp
@@ -38,6 +38,8 @@ DeviceService::DeviceService(QObject *parent) : QObject(parent)
 //        ledSet(m_ledStatus);
 //    });
 
+
+    //扫描按键状态，发送
     timer2.setInterval(50);
     timer2.start();
     connect(&timer2,&QTimer::timeout,[=](){
@@ -55,6 +57,7 @@ DeviceService::DeviceService(QObject *parent) : QObject(parent)
     key.flag = (KeyFlag)keyDetection();
     if(key.flag != None){
         emit keyWorked(key.flag);
+        qDebug()<<"keyWorked is "<<key.flag;
     }
     });
 }
diff --git a/deviceservice.h b/deviceservice.h
index 5765c68..1b4b817 100644
--- a/deviceservice.h
+++ b/deviceservice.h
@@ -34,9 +34,9 @@ public:
     explicit DeviceService(QObject *parent = 0);
     int m_ledStatus,m_keyStatus;
     QTimer timer1;
+    KeyType key;
 
 private:
-    KeyType key;
     QTimer timer2;
     QTime lastFlagTime, lastStateTime;
 signals:
diff --git a/mainwidget.cpp b/mainwidget.cpp
index d2c64cb..d833578 100644
--- a/mainwidget.cpp
+++ b/mainwidget.cpp
@@ -22,6 +22,7 @@ MainWidget::MainWidget(HttpService *httpService,
     m_wsConnectedStatus = 0;
     m_maxPatientNum = MainConfig::maxPatientNum.toInt();
     m_switchPatientInterval = MainConfig::switchPatientInterval.toInt();
+    keyDownPInfo = Q_NULLPTR;//zhixiang kongzhizhen
 
     //1s倒计时
     m_countDownTimer.setInterval(1000);
@@ -46,6 +47,13 @@ MainWidget::MainWidget(HttpService *httpService,
         m_curX = 0;
     });
 
+    //LED闪烁
+    m_ledTurnTimer.setInterval(1000);
+    connect(&m_ledTurnTimer, &QTimer::timeout,[=](){
+        m_deviceService->m_ledStatus ^= 1;
+        m_deviceService->ledSet(m_deviceService->m_ledStatus);
+    });
+
     //显示连接状态
     ui->statusLabel->setText("Not Connected");
 
@@ -192,10 +200,7 @@ void MainWidget::onNewPatientMergencyInfo(QString firstAidId, QString name, QStr
     PatientEmergencyInfo *pInfo = new PatientEmergencyInfo(firstAidId,name,content,realCountDownInSeconds);
     addPatientToList(pInfo);
     qDebug() << "MainWidget::onNewPatientMergencyInfo " << firstAidId << name << content << realCountDownInSeconds;
-    m_deviceService->timer1.start();
-    m_deviceService->m_ledStatus ^= 1;
-    m_deviceService->ledSet(m_deviceService->m_ledStatus);
-
+    m_ledTurnTimer.start();
 }
 
 void MainWidget::onPatientMergencyStatusChanged(QString firstAidId,QString time, QString status)
@@ -231,19 +236,32 @@ void MainWidget::onKeyClicked()
 
 void MainWidget::onKeyDown()
 {
-    keyDownPInfo = m_patientEmergencyInfos[m_patientIndex];
+    if(m_patientEmergencyInfos.length() > 0){
+        keyDownPInfo = m_patientEmergencyInfos[m_patientIndex];
+    }
 }
 
 void MainWidget::onKeyWorked(KeyFlag flag)
 {
-    m_deviceService->timer1.stop();
     if(flag == Click){
+        m_ledTurnTimer.stop();
         m_deviceService->m_ledStatus = 0;
         m_deviceService->ledSet(m_deviceService->m_ledStatus);
+        onKeyClicked();
     }else if(flag == Dbl_Click){
+        qDebug()<<"Key Dbl_Clicked";
+        //切换病人
+        if(++m_patientIndex >= m_patientEmergencyInfos.length()){
+            m_patientIndex = 0;
+        }
         updateUi();
+        m_curX = 0;
     }else if(flag == Press){
-        deletePatientFromList(keyDownPInfo->id);
+        qDebug()<<"Key Press";
+        if(keyDownPInfo != Q_NULLPTR){
+            deletePatientFromList(keyDownPInfo->id);
+            keyDownPInfo = Q_NULLPTR;
+        }
         m_deviceService->m_ledStatus = 1;
         m_deviceService->ledSet(m_deviceService->m_ledStatus);
     }
@@ -262,6 +280,8 @@ void MainWidget::addPatientToList(PatientEmergencyInfo *info)
 
     //3.加入链表
     m_patientEmergencyInfos.push_back(info);
+
+    onKeyDown();//模拟按键按下
 }
 
 void MainWidget::deletePatientFromList(QString firstAidId)
@@ -275,12 +295,37 @@ void MainWidget::deletePatientFromList(QString firstAidId)
     }
 }
 
+void MainWidget::mousePressEvent(QMouseEvent *event)
+{
+
+    if(event->button()==Qt::LeftButton){
+        //TODO
+    }
+    else if(event->button()==Qt::RightButton){
+
+    }
+}
+//鼠标左键双击，代替按键一下
+//鼠标右键双击，代替按键两下
 void MainWidget::mouseDoubleClickEvent(QMouseEvent *event)
 {
     if(event->button()==Qt::LeftButton){
         //TODO
+        m_deviceService->key.flag = Click;
+        onKeyWorked(m_deviceService->key.flag);
     }
     else if(event->button()==Qt::RightButton){
-        onKeyClicked();
+        m_deviceService->key.flag = Dbl_Click;
+        onKeyWorked(m_deviceService->key.flag);
     }
 }
+//鼠标滚动,代替长按
+void MainWidget::wheelEvent(QWheelEvent *event)
+{    // 当滚轮远离使用者时
+        if(event->delta() > 0){
+            //TODO
+        }else{//当滚轮向使用者方向旋转时
+            m_deviceService->key.flag = Press;
+            onKeyWorked(m_deviceService->key.flag);
+        }
+}
diff --git a/mainwidget.h b/mainwidget.h
index 7660c2d..9b07e9c 100644
--- a/mainwidget.h
+++ b/mainwidget.h
@@ -26,6 +26,8 @@ public:
     void paintEvent(QPaintEvent *event);
     void resizeEvent(QResizeEvent *event);
     void mouseDoubleClickEvent(QMouseEvent *event);
+    void mousePressEvent(QMouseEvent *event);
+    void wheelEvent(QWheelEvent *event);
 
 private:
     HttpService *m_httpService;
@@ -38,6 +40,7 @@ private:
     qint32 m_patientIndex;
     QTimer m_countDownTimer;
     QTimer m_switchPatientTimer;
+    QTimer m_ledTurnTimer;
     int m_wsConnectedStatus;
     QFont font1, font2, font3;
     QTimer m_lableScrollTimer;