diff --git a/qml.qrc b/qml.qrc
index 7b2295a..46f3992 100755
--- a/qml.qrc
+++ b/qml.qrc
@@ -3,5 +3,6 @@
         <file>qml/main.qml</file>
         <file>qml/GridItemDelegate.qml</file>
         <file>qml/AllAppsView.qml</file>
+        <file>qml/CategoryView.qml</file>
     </qresource>
 </RCC>
diff --git a/qml/AllAppsView.qml b/qml/AllAppsView.qml
index 3c0005b..efd1405 100644
--- a/qml/AllAppsView.qml
+++ b/qml/AllAppsView.qml
@@ -45,7 +45,7 @@ ListView {
     model: Math.ceil(control.modelCount / control.pageCount)
 
     maximumFlickVelocity: 10000
-    highlightMoveDuration: 100
+    highlightMoveDuration: 300
 
     preferredHighlightBegin: 0
     preferredHighlightEnd: 0
@@ -73,6 +73,11 @@ ListView {
         }
     }
 
+    DropArea {
+        anchors.fill: parent
+        z: -1
+    }
+
     MouseArea {
         anchors.fill: parent
         z: -1
diff --git a/qml/CategoryView.qml b/qml/CategoryView.qml
new file mode 100644
index 0000000..9c36e13
--- /dev/null
+++ b/qml/CategoryView.qml
@@ -0,0 +1,5 @@
+import QtQuick 2.0
+
+Item {
+
+}
diff --git a/qml/GridItemDelegate.qml b/qml/GridItemDelegate.qml
index af90b9a..7b8940e 100755
--- a/qml/GridItemDelegate.qml
+++ b/qml/GridItemDelegate.qml
@@ -35,6 +35,8 @@ Item {
     property int pageCount: 0
 
     Drag.active: iconMouseArea.drag.active
+    Drag.mimeData: [model.appId]
+    Drag.keys: ["cutefish-launcher"]
     Drag.dragType: Drag.Automatic
     Drag.supportedActions: Qt.MoveAction
     Drag.hotSpot.x: icon.width / 2
@@ -181,5 +183,9 @@ Item {
         width: parent.width - 2 * FishUI.Units.smallSpacing
         height: fontMetrics.height * 2
         color: "white"
+
+        MouseArea {
+            anchors.fill: parent
+        }
     }
 }
diff --git a/qml/main.qml b/qml/main.qml
index 3881820..77c6aaa 100755
--- a/qml/main.qml
+++ b/qml/main.qml
@@ -307,6 +307,12 @@ Item {
         }
     }
 
+    Timer {
+        id: clearSearchTimer
+        interval: 100
+        onTriggered: textField.text = ""
+    }
+
     Connections {
         target: launcher
 
@@ -316,7 +322,7 @@ Item {
                 appView.focus = true
                 appView.forceActiveFocus()
             } else {
-                textField.text = ""
+                clearSearchTimer.restart()
             }
         }
     }
diff --git a/src/launcher.cpp b/src/launcher.cpp
index c0f4fd6..a55a981 100644
--- a/src/launcher.cpp
+++ b/src/launcher.cpp
@@ -30,7 +30,7 @@
 
 #include <KWindowSystem>
 
-Launcher::Launcher(QQuickView *w)
+Launcher::Launcher(bool firstShow, QQuickView *w)
     : QQuickView(w)
     , m_dockInterface("org.cutefish.Dock",
                     "/Dock",
@@ -54,7 +54,7 @@ Launcher::Launcher(QQuickView *w)
 
     setSource(QUrl(QStringLiteral("qrc:/qml/main.qml")));
     setTitle(tr("Launcher"));
-    setVisible(false);
+    setVisible(firstShow);
 
     // Let the animation in qml be hidden after the execution is complete
     m_hideTimer->setInterval(200);
@@ -114,10 +114,9 @@ void Launcher::showWindow()
 
 void Launcher::hideWindow()
 {
+    setVisible(false);
     m_showed = false;
     emit showedChanged();
-
-    setVisible(false);
 }
 
 void Launcher::toggle()
diff --git a/src/launcher.h b/src/launcher.h
index e1e5b63..76bf9c2 100644
--- a/src/launcher.h
+++ b/src/launcher.h
@@ -36,7 +36,7 @@ class Launcher : public QQuickView
     Q_PROPERTY(int bottomMargin READ bottomMargin NOTIFY marginsChanged)
 
 public:
-    Launcher(QQuickView *w = nullptr);
+    Launcher(bool firstShow = false, QQuickView *w = nullptr);
 
     int leftMargin() const;
     int rightMargin() const;
diff --git a/src/launcheritem.cpp b/src/launcheritem.cpp
index e1a5400..92c6fee 100644
--- a/src/launcheritem.cpp
+++ b/src/launcheritem.cpp
@@ -19,8 +19,31 @@
 
 #include "launcheritem.h"
 
-LauncherItem::LauncherItem(QObject *parent)
-    : QObject(parent)
+LauncherItem::LauncherItem()
 {
 
 }
+
+LauncherItem::LauncherItem(const LauncherItem &item)
+{
+
+}
+
+LauncherItem::~LauncherItem()
+{
+
+}
+
+QDataStream &operator<<(QDataStream &argument, const LauncherItem &item)
+{
+    argument << item.id << item.name;
+
+    return argument;
+}
+
+const QDataStream &operator>>(QDataStream &argument, LauncherItem &item)
+{
+    argument >> item.id << item.name;
+
+    return argument;
+}
diff --git a/src/launcheritem.h b/src/launcheritem.h
index 7cacb20..227a5e9 100644
--- a/src/launcheritem.h
+++ b/src/launcheritem.h
@@ -21,17 +21,22 @@
 #define LAUNCHERITEM_H
 
 #include <QObject>
+#include <QDataStream>
 
 class LauncherItem : public QObject
 {
     Q_OBJECT
-    Q_PROPERTY(QString fuke READ fuke CONSTANT)
 
 public:
-    explicit LauncherItem(QObject *parent = nullptr);
+    LauncherItem();
+    LauncherItem(const LauncherItem &item);
+    ~LauncherItem();
 
-    Q_INVOKABLE QString fuke() { return "asd"; };
+    inline bool operator==(const LauncherItem &other) const { return id == other.id; }
+    friend QDataStream &operator<<(QDataStream &argument, const LauncherItem &item);
+    friend const QDataStream &operator>>(QDataStream &argument, LauncherItem &item);
 
+public:
     QString id;
     QString name;
     QString genericName;
@@ -40,4 +45,6 @@ public:
     QStringList args;
 };
 
+Q_DECLARE_METATYPE(LauncherItem)
+
 #endif // LAUNCHERITEM_H
diff --git a/src/launchermodel.cpp b/src/launchermodel.cpp
index 7b0be55..b231982 100755
--- a/src/launchermodel.cpp
+++ b/src/launchermodel.cpp
@@ -19,7 +19,6 @@
 
 #include "launchermodel.h"
 #include "desktopproperties.h"
-#include "launcheritem.h"
 
 #include <QDBusInterface>
 #include <QDBusPendingCallWatcher>
@@ -45,8 +44,9 @@ static QByteArray detectDesktopEnvironment()
 }
 
 LauncherModel::LauncherModel(QObject *parent)
-    : QAbstractListModel(parent),
-      m_mode(NormalMode)
+    : QAbstractListModel(parent)
+    , m_settings("cutefishos", "launcher-applist", this)
+    , m_mode(NormalMode)
 {
     QtConcurrent::run(LauncherModel::refresh, this);
 
@@ -113,11 +113,7 @@ QVariant LauncherModel::data(const QModelIndex &index, int role) const
         return QVariant();
 
     LauncherItem *item = m_mode == NormalMode
-                       ? m_items.at(index.row())
-                       : m_searchItems.at(index.row());
-
-    if (!item)
-        return QVariant();
+            ? m_items.at(index.row()) : m_searchItems.at(index.row());
 
     switch (role) {
     case AppIdRole:
@@ -127,7 +123,10 @@ QVariant LauncherModel::data(const QModelIndex &index, int role) const
     case IconNameRole:
         return item->iconName;
     case FilterInfoRole:
-        return QString(item->name + QStringLiteral(" ") + item->genericName + QStringLiteral(" ") + item->comment);
+        return QString(item->name + QStringLiteral(" ")
+                       + item->genericName
+                       + QStringLiteral(" ")
+                       + item->comment);
     default:
         return QVariant();
     }
@@ -154,9 +153,9 @@ void LauncherModel::search(const QString &key)
 
 void LauncherModel::sendToDock(const QString &key)
 {
-    LauncherItem *app = findApplication(key);
+    int index = findById(key);
 
-    if (app) {
+    if (index != -1) {
         QDBusMessage message = QDBusMessage::createMethodCall("org.cutefish.Dock",
                                                               "/Dock",
                                                               "org.cutefish.Dock",
@@ -168,9 +167,9 @@ void LauncherModel::sendToDock(const QString &key)
 
 void LauncherModel::removeFromDock(const QString &desktop)
 {
-    LauncherItem *app = findApplication(desktop);
+    int index = findById(desktop);
 
-    if (app) {
+    if (index != -1) {
         QDBusMessage message = QDBusMessage::createMethodCall("org.cutefish.Dock",
                                                               "/Dock",
                                                               "org.cutefish.Dock",
@@ -180,14 +179,14 @@ void LauncherModel::removeFromDock(const QString &desktop)
     }
 }
 
-LauncherItem *LauncherModel::findApplication(const QString &appId)
+int LauncherModel::findById(const QString &id)
 {
-    for (LauncherItem *item : qAsConst(m_items)) {
-        if (item->id == appId)
-            return item;
+    for (int i = 0; i < m_items.size(); ++i) {
+        if (m_items.at(i)->id == id)
+            return i;
     }
 
-    return nullptr;
+    return -1;
 }
 
 void LauncherModel::refresh(LauncherModel *manager)
@@ -214,40 +213,13 @@ void LauncherModel::refresh(LauncherModel *manager)
 
     for (LauncherItem *item : qAsConst(manager->m_items)) {
         if (!allEntries.contains(item->id))
-            QMetaObject::invokeMethod(manager, "removeApp", Q_ARG(QObject*, qobject_cast<QObject*>(item)));
+            QMetaObject::invokeMethod(manager, "removeApp", Q_ARG(LauncherItem *, item));
     }
 
     // Signal the model was refreshed
     QMetaObject::invokeMethod(manager, "refreshed");
 }
 
-LauncherItem *LauncherModel::get(int index) const
-{
-    if (index < 0 || index >= m_items.size())
-        return nullptr;
-
-    return m_items.at(index);
-}
-
-QString LauncherModel::getIconName(const QString &appId)
-{
-    LauncherItem *item = get(indexFromAppId(appId));
-    if (item)
-        return item->iconName;
-
-    return QString();
-}
-
-int LauncherModel::indexFromAppId(const QString &appId) const
-{
-    for (int i = 0; i < m_items.size(); i++) {
-        if (m_items.at(i)->id == appId)
-            return i;
-    }
-
-    return -1;
-}
-
 void LauncherModel::move(int from, int to, int page, int pageCount)
 {
     if (from == to)
@@ -263,14 +235,24 @@ void LauncherModel::move(int from, int to, int page, int pageCount)
 //    else
 //        beginMoveRows(QModelIndex(), from, from, QModelIndex(), to);
 
-//    endMoveRows();
+    //    endMoveRows();
+}
+
+void LauncherModel::save()
+{
+    QByteArray datas;
+    QDataStream out(&datas, QIODevice::WriteOnly);
+    out << m_items;
+    m_settings.setValue("list", datas);
 }
 
 bool LauncherModel::launch(const QString &path)
 {
-    LauncherItem *app = findApplication(path);
-    if (app) {
-        QStringList args = app->args;
+    int index = findById(path);
+
+    if (index != -1) {
+        LauncherItem *item = m_items.at(index);
+        QStringList args = item->args;
         QScopedPointer<QProcess> p(new QProcess);
         p->setStandardInputFile(QProcess::nullDevice());
         p->setProcessChannelMode(QProcess::ForwardedChannels);
@@ -295,7 +277,7 @@ bool LauncherModel::launch(const QString &path)
 
 void LauncherModel::addApp(const QString &fileName)
 {
-    if (findApplication(fileName))
+    if (findById(fileName) != -1)
         return;
 
     DesktopProperties desktop(fileName, "Desktop Entry");
@@ -337,16 +319,12 @@ void LauncherModel::addApp(const QString &fileName)
     beginInsertRows(QModelIndex(), m_items.count(), m_items.count());
     m_items.append(item);
     qDebug() << "added: " << item->name;
-    Q_EMIT applicationAdded(item);
+    // Q_EMIT applicationAdded(item);
     endInsertRows();
 }
 
-void LauncherModel::removeApp(QObject *object)
+void LauncherModel::removeApp(LauncherItem *item)
 {
-    LauncherItem *item = qobject_cast<LauncherItem *>(object);
-    if (!item)
-        return;
-
     int index = m_items.indexOf(item);
     if (index < 0)
         return;
diff --git a/src/launchermodel.h b/src/launchermodel.h
index f5b25ba..37cb901 100755
--- a/src/launchermodel.h
+++ b/src/launchermodel.h
@@ -23,8 +23,10 @@
 #include <QObject>
 #include <QLoggingCategory>
 #include <QAbstractListModel>
+#include <QSettings>
+
+#include "launcheritem.h"
 
-class LauncherItem;
 class LauncherModel : public QAbstractListModel
 {
     Q_OBJECT
@@ -64,16 +66,12 @@ public:
     Q_INVOKABLE void sendToDock(const QString &key);
     Q_INVOKABLE void removeFromDock(const QString &desktop);
 
-    LauncherItem *findApplication(const QString &appId);
+    int findById(const QString &id);
 
     static void refresh(LauncherModel *manager);
 
-    Q_INVOKABLE LauncherItem *get(int index) const;
-
-    Q_INVOKABLE QString getIconName(const QString &appId);
-    Q_INVOKABLE int indexFromAppId(const QString &appId) const;
-
     Q_INVOKABLE void move(int from, int to, int page, int pageCount);
+    Q_INVOKABLE void save();
 
 public Q_SLOTS:
     Q_INVOKABLE bool launch(const QString &path);
@@ -88,11 +86,12 @@ Q_SIGNALS:
 
 private Q_SLOTS:
     void addApp(const QString &fileName);
-    void removeApp(QObject *object);
+    void removeApp(LauncherItem *item);
 
 private:
     QList<LauncherItem *> m_items;
     QList<LauncherItem *> m_searchItems;
+    QSettings m_settings;
     Mode m_mode;
 };
 
diff --git a/src/main.cpp b/src/main.cpp
index ac21702..46efc6f 100755
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -21,6 +21,8 @@
 #include <QDBusConnection>
 #include <QDBusInterface>
 #include <QPixmapCache>
+#include <QCommandLineOption>
+#include <QCommandLineParser>
 
 #include "launcher.h"
 #include "launcheritem.h"
@@ -41,7 +43,7 @@ int main(int argc, char *argv[])
     QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
 
     QByteArray uri = "Cutefish.Launcher";
-    // qmlRegisterUncreatableType<LauncherItem>(uri, 1, 0, "LauncherItem", "cannot init application");
+    qRegisterMetaType<LauncherItem>("LauncherItem");
     qmlRegisterType<LauncherItem>(uri, 1, 0, "LauncherItem");
     qmlRegisterType<LauncherModel>(uri, 1, 0, "LauncherModel");
     qmlRegisterType<PageModel>(uri, 1, 0, "PageModel");
@@ -58,14 +60,14 @@ int main(int argc, char *argv[])
 
     // QPixmapCache::setCacheLimit(1024 * 10);
 
-    // QCommandLineParser parser;
-    // QCommandLineOption showOption(QStringLiteral("show"), "Show Launcher");
-    // parser.addOption(showOption);
+    QCommandLineParser parser;
+    QCommandLineOption showOption(QStringLiteral("show"), "Show Launcher");
+    parser.addOption(showOption);
     // QCommandLineOption hideOption(QStringLiteral("hide"), "Hide Launcher");
     // parser.addOption(hideOption);
     // QCommandLineOption toggleOption(QStringLiteral("toggle"), "Toggle Launcher");
     // parser.addOption(toggleOption);
-    // parser.process(app.arguments());
+    parser.process(app.arguments());
 
     QDBusConnection dbus = QDBusConnection::sessionBus();
     if (!dbus.registerService(DBUS_NAME)) {
@@ -85,7 +87,8 @@ int main(int argc, char *argv[])
         }
     }
 
-    Launcher launcher;
+    bool firstShow = parser.isSet(showOption);
+    Launcher launcher(firstShow);
 
     if (!dbus.registerObject(DBUS_PATH, DBUS_INTERFACE, &launcher))
         return -1;