diff --git a/BiometricAuth/biometricproxy.cpp b/BiometricAuth/biometricproxy.cpp
index b06a3b8..e585598 100644
--- a/BiometricAuth/biometricproxy.cpp
+++ b/BiometricAuth/biometricproxy.cpp
@@ -37,6 +37,37 @@ QDBusPendingCall BiometricProxy::Identify(int drvid, int uid, int indexStart, in
     return asyncCallWithArgumentList(QStringLiteral("Identify"), argList);
 }
 
+int BiometricProxy::GetFeatureCount(int uid, int indexStart, int indexEnd)
+{
+    QDBusMessage result = call(QStringLiteral("GetDevList"));
+    if(result.type() == QDBusMessage::ErrorMessage)
+    {
+        qWarning() << "GetDevList error:" << result.errorMessage();
+        return 0;
+    }
+    auto dbusArg =  result.arguments().at(1).value<QDBusArgument>();
+    QList<QVariant> variantList;
+    dbusArg >> variantList;
+    int res = 0;
+    for(int i = 0; i < variantList.size(); i++)
+    {
+
+        DeviceInfoPtr pDeviceInfo = std::make_shared<DeviceInfo>();
+
+        auto arg = variantList.at(i).value<QDBusArgument>();
+        arg >> *pDeviceInfo;
+
+        QDBusMessage FeatureResult = call(QStringLiteral("GetFeatureList"),pDeviceInfo->id,uid,indexStart,indexEnd);
+        if(FeatureResult.type() == QDBusMessage::ErrorMessage)
+        {
+            	qWarning() << "GetFeatureList error:" << FeatureResult.errorMessage();
+		return 0;
+        }
+        res += FeatureResult.arguments().takeFirst().toInt();
+    }
+    return res;
+}
+
 int BiometricProxy::StopOps(int drvid, int waiting)
 {
     QDBusReply<int> reply = call(QStringLiteral("StopOps"), drvid, waiting);
diff --git a/BiometricAuth/biometricproxy.h b/BiometricAuth/biometricproxy.h
index 3823d47..f699821 100644
--- a/BiometricAuth/biometricproxy.h
+++ b/BiometricAuth/biometricproxy.h
@@ -70,6 +70,15 @@ public Q_SLOTS:
      * @return
      */
     int StopOps(int drvid, int waiting = 5);
+    /**
+     * @brief 获取当前用户已连接设备对应特征数目
+     * @param uid              用户id
+     * @param indexStart       用于认证的特征索引范围
+     * @param indexEnd
+     * @return
+     */
+    int GetFeatureCount(int uid, int indexStart = 0, int indexEnd = -1);
+
     /**
      * @brief 获取已连接的设备列表
      * @return
diff --git a/greeter/greeterwindow.cpp b/greeter/greeterwindow.cpp
index 4455faf..908ca56 100644
--- a/greeter/greeterwindow.cpp
+++ b/greeter/greeterwindow.cpp
@@ -140,28 +140,28 @@ void GreeterWindow::initUI()
 
     m_userWnd->setModel(m_usersModel);
 
-    //显示lightdm传过来的被选中的用户 -- SwitchToUser()
+    //显示lightdm传过来的被选中的用户且自动进入认证界面 -- SwitchToUser()
     QString selectedUser = m_greeter->selectUserHint();
     if(!selectedUser.isEmpty())
     {
         qDebug() << "SelectUserHint: " << selectedUser;
-        m_userWnd->setCurrentUser(selectedUser);
+        m_userWnd->setCurrentUser(selectedUser, true);
     }
-    // SwitchToGuest()
+    // SwitchToGuest()且自动进入认证界面
     else if(m_greeter->selectGuestHint())
     {
         qDebug() << "SelectGuest";
-        m_userWnd->setCurrentUser("*guest");
+        m_userWnd->setCurrentUser("*guest", true);
     }
     //如果只有一个用户，直接进入认证界面
     else if(m_usersModel->rowCount() == 1)
     {
         QString userName = m_usersModel->index(0, 0).data(QLightDM::UsersModel::NameRole).toString();
-        m_userWnd->setCurrentUser(userName);
+        m_userWnd->setCurrentUser(userName, true);
     }
     else
     {
-        //选中上一次登录的用户
+        //选中上一次登录的用户，但不进入认证界面
         QString lastLoginUser = Configuration::instance()->getLastLoginUser();
         m_userWnd->setCurrentUser(lastLoginUser);
     }
@@ -323,7 +323,7 @@ void GreeterWindow::onCurrentUserChanged(const QModelIndex &index)
 
 void GreeterWindow::onUserChangedByManual(const QString &userName)
 {
-    m_userWnd->setCurrentUser(userName);
+    m_userWnd->setCurrentUser(userName, true);
 }
 
 void GreeterWindow::onBacktoUsers()
diff --git a/greeter/iconedit.cpp b/greeter/iconedit.cpp
index 8cd4a3b..8b8a649 100644
--- a/greeter/iconedit.cpp
+++ b/greeter/iconedit.cpp
@@ -35,6 +35,7 @@ IconEdit::IconEdit(QWidget *parent)
     m_edit->setObjectName(QStringLiteral("passwdEdit"));
     m_edit->setAttribute(Qt::WA_InputMethodEnabled, false); //禁用输入法
     m_edit->setContextMenuPolicy(Qt::NoContextMenu);    //禁用右键菜单
+    m_edit->installEventFilter(this);
 
     m_capsIcon = new QLabel(this);
     m_capsIcon->setObjectName(QStringLiteral("capsIconLabel"));
@@ -70,6 +71,20 @@ IconEdit::IconEdit(QWidget *parent)
     setCapsState(checkCapsState());
 }
 
+bool IconEdit::eventFilter(QObject *obj, QEvent *event)
+{
+    if(obj == m_edit){
+        if(event->type() == QEvent::KeyPress){
+            QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
+            if(keyEvent->key()==80 &&keyEvent->modifiers() ==(Qt::MetaModifier)){
+                event->ignore();
+                return true;
+            }
+        }
+    }
+    return false;
+}
+
 void IconEdit::setType(QLineEdit::EchoMode type)
 {
     m_edit->setEchoMode(type);
diff --git a/greeter/iconedit.h b/greeter/iconedit.h
index 4bdf9fd..47b9751 100644
--- a/greeter/iconedit.h
+++ b/greeter/iconedit.h
@@ -44,7 +44,7 @@ class IconEdit : public QWidget
 
 protected:
     void resizeEvent(QResizeEvent *) Q_DECL_OVERRIDE;
-
+    bool eventFilter(QObject *obj, QEvent *event);
 private:
     void updatePixmap();
 
diff --git a/greeter/loginwindow.cpp b/greeter/loginwindow.cpp
index d67bc18..8fcbb55 100644
--- a/greeter/loginwindow.cpp
+++ b/greeter/loginwindow.cpp
@@ -41,6 +41,7 @@ LoginWindow::LoginWindow(GreeterWrapper *greeter, QWidget *parent)
       isManual(false),
       authMode(UNKNOWN),
       m_deviceCount(-1),
+      m_featureCount(-1),
       m_biometricProxy(nullptr),
       m_biometricAuthWidget(nullptr),
       m_biometricDevicesWidget(nullptr),
@@ -106,6 +107,8 @@ void LoginWindow::initUI()
     m_messageLabel = new QLabel(m_passwdWidget);
     m_messageLabel->setObjectName(QStringLiteral("messageLabel"));
     m_messageLabel->setAlignment(Qt::AlignCenter);
+
+    isloginauth = false;
 }
 
 void LoginWindow::showEvent(QShowEvent *e)
@@ -170,9 +173,9 @@ void LoginWindow::setChildrenGeometry()
     // 密码框和提示信息显示位置
     m_passwdWidget->setGeometry(0, m_userWidget->geometry().bottom(), width(), 150);
     m_passwordEdit->setGeometry((m_passwdWidget->width() - 400)/2, 0, 400, 40);
-    m_messageLabel->setGeometry((m_passwdWidget->width() - 300)/2,
+    m_messageLabel->setGeometry((m_passwdWidget->width() - 400)/2,
                                 m_passwordEdit->geometry().bottom() + 25,
-                                300, 20);
+                                400, 20);
 
 
     setBiometricWidgetGeometry();
@@ -325,7 +328,10 @@ bool LoginWindow::setUserIndex(const QModelIndex& index)
 
     setChildrenGeometry();
 
-    startAuthentication();
+    if(!isloginauth)
+    	startAuthentication();
+
+    isloginauth = false;
 
     return true;
 }
@@ -336,6 +342,7 @@ bool LoginWindow::setUserIndex(const QModelIndex& index)
  */
 void LoginWindow::setUserNotInView(const QString &userName)
 {
+    isloginauth = false;
     m_name = userName;
     setUserName(userName);
 }
@@ -389,6 +396,7 @@ void LoginWindow::onLogin(const QString &str)
     }
     else if(m_name == "*login")
     {   //用户输入用户名
+	isloginauth = true;
         Q_EMIT userChangedByManual(str);
         m_greeter->respond(str);
     }
@@ -508,6 +516,17 @@ void LoginWindow::performBiometricAuth()
         return;
     }
 
+    //初始化用户对应特征数量    
+    m_featureCount = m_biometricProxy->GetFeatureCount(m_uid);
+	
+    qDebug()<<"m_featureCount = "<<m_featureCount;
+    //没有可用特征，不启用生物识别认证    
+    if(m_deviceCount < 1)
+    {
+        skipBiometricAuth();
+        return;
+    }
+
     //初始化生物识别认证UI
     initBiometricButtonWidget();
     initBiometricWidget();
@@ -568,9 +587,9 @@ void LoginWindow::skipBiometricAuth()
 //        m_biometricButton->setVisible(true);
 //        m_passwordButton->setVisible(false);
 //        m_otherDeviceButton->setVisible(false);
-//        m_retryButton->setVisible(false);
+//       m_retryButton->setVisible(false);
 //    }
-//    m_passwdWidget->show();
+    m_passwdWidget->show();
 }
 
 void LoginWindow::initBiometricWidget()
@@ -729,15 +748,30 @@ void LoginWindow::onBiometricButtonClicked()
     //当前没有设备，让用户选择设备
     if(!m_deviceInfo)
     {
-        m_otherDeviceButton->click();
-
+        if(m_deviceCount == 1)
+        {
+            DeviceList deviceList = m_biometricProxy->GetDevList();
+            m_deviceInfo = deviceList.at(0);
+            if(!m_deviceInfo)
+            {
+                m_otherDeviceButton->click();
+            }
+            else
+            {
+                authMode = BIOMETRIC;
+                startAuthentication();
+            }
+        }
+        else
+        {
+            m_otherDeviceButton->click();
+        }
     }
     else
     {
         authMode = BIOMETRIC;
         startAuthentication();
     }
-
 }
 
 void LoginWindow::onPasswordButtonClicked()
@@ -782,7 +816,7 @@ void LoginWindow::showPasswordAuthWidget()
 
     if(m_buttonsWidget)
     {
-        if(m_deviceCount > 0)
+        if(m_deviceCount > 0 && m_featureCount > 0)
         {
             m_buttonsWidget->setVisible(true);
             m_biometricButton->setVisible(true);
diff --git a/greeter/loginwindow.h b/greeter/loginwindow.h
index df17c18..32d39be 100644
--- a/greeter/loginwindow.h
+++ b/greeter/loginwindow.h
@@ -53,6 +53,7 @@ class LoginWindow : public QWidget
     void setPrompt(const QString& text);
     QString getPassword();
     void reset();
+    bool isloginauth;
 
 protected:
     void showEvent(QShowEvent *);
@@ -73,7 +74,7 @@ public slots:
     void onShowPrompt(QString text, QLightDM::Greeter::PromptType type);
     void onAuthenticationComplete();
     void setUserNotInView(const QString &userName);
-
+        
 private slots:
     void onLogin(const QString &str);
     void onBackButtonClicked();
@@ -117,6 +118,7 @@ private slots:
     AuthMode authMode;
     // 生物识别认证
     int                     m_deviceCount;
+    int			    m_featureCount;
     QString                 m_deviceName;
     DeviceInfoPtr           m_deviceInfo;
     BiometricProxy          *m_biometricProxy;
diff --git a/greeter/mainwindow.cpp b/greeter/mainwindow.cpp
index 0ef9d25..d565164 100644
--- a/greeter/mainwindow.cpp
+++ b/greeter/mainwindow.cpp
@@ -199,8 +199,8 @@ void MainWindow::moveToScreen(QScreen *screen)
     QRect activeScreenRect = m_activeScreen->geometry();
 
     qDebug() << "moveToScreen activeScreenRect " << activeScreenRect;
-    //if(m_monitorWatcher->getMonitorCount() == 1)
-    //    activeScreenRect = QRect(QPoint(0, 0), m_monitorWatcher->getVirtualSize());
+    if(m_monitorWatcher->getMonitorCount() == 1)
+        activeScreenRect = QRect(QPoint(0, 0), m_monitorWatcher->getVirtualSize());
 
     m_greeterWnd->setGeometry(activeScreenRect);
     Q_EMIT activeScreenChanged(activeScreenRect);
diff --git a/greeter/userentry.cpp b/greeter/userentry.cpp
index 85f978c..68861ca 100644
--- a/greeter/userentry.cpp
+++ b/greeter/userentry.cpp
@@ -146,6 +146,11 @@ void UserEntry::setUserName(const QString &name)
     int pixelsWide = fm.width(m_name);
     if(pixelsWide < m_nameLabel->width())
         m_nameLabel->setAlignment(Qt::AlignCenter);
+    else{
+        QFontMetrics fontWidth(font);
+        QString str = fontWidth.elidedText(m_name,Qt::ElideRight,m_nameLabel->width());
+        this->m_nameLabel->setText(str);
+    }
 }
 
 void UserEntry::setLogin(bool isLogin)
diff --git a/greeter/usersview.cpp b/greeter/usersview.cpp
index 9efc4f9..54037a3 100644
--- a/greeter/usersview.cpp
+++ b/greeter/usersview.cpp
@@ -74,7 +74,7 @@ void UsersView::setModel(QAbstractListModel *model)
     setCurrentRow(0);   //默认选中第一位用户s
 }
 
-void UsersView::setCurrentUser(const QString &userName)
+void UsersView::setCurrentUser(const QString &userName, bool entered)
 {
     if(!usersModel || userName.isEmpty())
         return;
@@ -84,7 +84,8 @@ void UsersView::setCurrentUser(const QString &userName)
         if(name == userName)
         {
             setCurrentRow(i);
-            onUserClicked(i);
+            if (entered)
+                onUserClicked(i);
             return;
         }
     }
@@ -244,7 +245,7 @@ void UsersView::setCurrentRow(int row)
 
 void UsersView::pageUp()
 {
-    if(usersList->currentRow() >= 5)
+    if(usersList->currentRow() > 5)
         setCurrentRow(usersList->currentRow() - 5);
     else
         setCurrentRow(0);
@@ -252,7 +253,7 @@ void UsersView::pageUp()
 
 void UsersView::pageDown()
 {
-    if(usersList->count() - usersList->currentRow() >= 5)
+    if(usersList->count() - usersList->currentRow() > 5)
         setCurrentRow(usersList->currentRow() + 5);
     else
         setCurrentRow(usersList->count() - 1);
diff --git a/greeter/usersview.h b/greeter/usersview.h
index f192c0b..8997e47 100644
--- a/greeter/usersview.h
+++ b/greeter/usersview.h
@@ -39,7 +39,7 @@ class UsersView : public QWidget
     ~UsersView();
     void initUI();
     void setModel(QAbstractListModel *);
-    void setCurrentUser(const QString &userName);
+    void setCurrentUser(const QString &userName, bool entered = false);
     void pageUp();
     void pageDown();