diff --git a/libsearch/global-settings.cpp b/libsearch/global-settings.cpp
index 9144617..7d3c6d4 100644
--- a/libsearch/global-settings.cpp
+++ b/libsearch/global-settings.cpp
@@ -35,10 +35,25 @@ GlobalSettings *GlobalSettings::getInstance()
 
 GlobalSettings::GlobalSettings(QObject *parent) : QObject(parent)
 {
-    m_settings = new QSettings("org.ukui/ukui-search", "ukui-search", this);
+    m_settings = new QSettings(MAIN_SETTINGS, QSettings::IniFormat, this);
 //    m_settings->setAtomicSyncRequired(false);
-    m_block_dirs_settings = new QSettings("org.ukui/ukui-search","ukui-search-block-dirs",this);
+    m_block_dirs_settings = new QSettings(BLOCK_DIRS,QSettings::IniFormat, this);
     m_block_dirs_settings->setIniCodec(QTextCodec::codecForName("UTF-8"));
+
+    m_search_record_settings = new QSettings(SEARCH_HISTORY, QSettings::IniFormat , this);
+    m_search_record_settings->setIniCodec(QTextCodec::codecForName("UTF-8"));
+    for(QString i:m_search_record_settings->allKeys())
+    {
+        m_history.append(QUrl::fromPercentEncoding(i.toLocal8Bit()));
+    }
+    if(!QDBusConnection::sessionBus().connect("org.kylinssoclient.dbus",
+                                              "/org/kylinssoclient/path",
+                                              "org.freedesktop.kylinssoclient.interface",
+                                              "keyChanged",
+                                              this, SLOT(updateSearchHistory(QString))))
+
+        qWarning()<<"Kylinssoclient Dbus connect fail!";
+
     this->forceSync();
     //the default number of transparency in mainwindow is 0.7
     //if someone changes the num in mainwindow, here should be modified too
@@ -141,84 +156,88 @@ QStringList GlobalSettings::getBlockDirs()
     return m_block_dirs_settings->allKeys();
 }
 
-void GlobalSettings::appendCloudData(const QString &key, const QString &value)
-{
-    QSettings * m_qSettings = new QSettings(CLOUD_FILE, QSettings::IniFormat);
-    m_qSettings->beginGroup(key);
-    QStringList values = m_qSettings->value(key).toStringList();
-    m_qSettings->endGroup();
-    if (values.contains(value)) {
-        values.removeOne(value);
-    }
-    values.insert(0,value);
+//void GlobalSettings::appendCloudData(const QString &key, const QString &value)
+//{
+//    QSettings * m_qSettings = new QSettings(CLOUD_FILE, QSettings::IniFormat);
+//    m_qSettings->beginGroup(key);
+//    QStringList values = m_qSettings->value(key).toStringList();
+//    m_qSettings->endGroup();
+//    if (values.contains(value)) {
+//        values.removeOne(value);
+//    }
+//    values.insert(0,value);
 
-    m_qSettings->beginGroup(key);
-    m_qSettings->setValue(key, values);
-    m_qSettings->endGroup();
-    if (m_qSettings) {
-        delete m_qSettings;
-        m_qSettings = NULL;
-    }
+//    m_qSettings->beginGroup(key);
+//    m_qSettings->setValue(key, values);
+//    m_qSettings->endGroup();
+//    if (m_qSettings) {
+//        delete m_qSettings;
+//        m_qSettings = NULL;
+//    }
+//}
+
+void GlobalSettings::setSearchRecord(const QString &word, const QDateTime &time)
+{
+    QStringList keys = m_search_record_settings->allKeys();
+    if(keys.contains(QString(QUrl::toPercentEncoding(word))))
+        m_history.removeOne(word);
+        m_search_record_settings->setValue(QString(QUrl::toPercentEncoding(word)), time.toString("yyyy-MM-dd hh:mm:ss"));
+    if(keys.size() >= 20)
+       m_search_record_settings->remove(QString(QUrl::toPercentEncoding(m_history.takeFirst())));
+    m_history.append(word);
 }
 
-void GlobalSettings::setCloudData(const QString &key, const QStringList &values)
+QStringList GlobalSettings::getSearchRecord()
 {
-    QSettings * m_qSettings = new QSettings(CLOUD_FILE, QSettings::IniFormat);
-    m_qSettings->beginGroup(key);
-    m_qSettings->setValue(key, values);
-    m_qSettings->endGroup();
-    if (m_qSettings) {
-        delete m_qSettings;
-        m_qSettings = NULL;
-    }
+    return m_history;
 }
 
-bool GlobalSettings::removeOneCloudData(const QString &key, const QString &value)
-{
-    if (!QFileInfo(CLOUD_FILE).isFile()) return false;
-    QSettings * m_qSettings = new QSettings(CLOUD_FILE, QSettings::IniFormat);
-    m_qSettings->beginGroup(key);
-    QStringList values = m_qSettings->value(key).toStringList();
-    m_qSettings->endGroup();
-    if (values.contains(value)) {
-        values.removeOne(value);
-    } else return false;
-    m_qSettings->beginGroup(key);
-    m_qSettings->setValue(key, values);
-    m_qSettings->endGroup();
-    if (m_qSettings) {
-        delete m_qSettings;
-        m_qSettings = NULL;
-    }
-    return true;
-}
+//bool GlobalSettings::removeOneCloudData(const QString &key, const QString &value)
+//{
+//    if (!QFileInfo(CLOUD_FILE).isFile()) return false;
+//    QSettings * m_qSettings = new QSettings(CLOUD_FILE, QSettings::IniFormat);
+//    m_qSettings->beginGroup(key);
+//    QStringList values = m_qSettings->value(key).toStringList();
+//    m_qSettings->endGroup();
+//    if (values.contains(value)) {
+//        values.removeOne(value);
+//    } else return false;
+//    m_qSettings->beginGroup(key);
+//    m_qSettings->setValue(key, values);
+//    m_qSettings->endGroup();
+//    if (m_qSettings) {
+//        delete m_qSettings;
+//        m_qSettings = NULL;
+//    }
+//    return true;
+//}
 
-bool GlobalSettings::removeAllCloudData(const QString &key)
-{
-    if (!QFileInfo(CLOUD_FILE).isFile()) return false;
-    QSettings * m_qSettings = new QSettings(CLOUD_FILE, QSettings::IniFormat);
-    m_qSettings->beginGroup(key);
-    m_qSettings->beginGroup(key);
-    m_qSettings->setValue(key, QStringList());
-    m_qSettings->endGroup();
-    if (m_qSettings) {
-        delete m_qSettings;
-        m_qSettings = NULL;
-    }
-    return true;
-}
+//bool GlobalSettings::removeAllCloudData(const QString &key)
+//{
+//    if (!QFileInfo(CLOUD_FILE).isFile()) return false;
+//    QSettings * m_qSettings = new QSettings(CLOUD_FILE, QSettings::IniFormat);
+//    m_qSettings->beginGroup(key);
+//    m_qSettings->beginGroup(key);
+//    m_qSettings->setValue(key, QStringList());
+//    m_qSettings->endGroup();
+//    if (m_qSettings) {
+//        delete m_qSettings;
+//        m_qSettings = NULL;
+//    }
+//    return true;
+//}
 
-QStringList GlobalSettings::getCloudData(const QString &key)
-{
-    if (!QFileInfo(CLOUD_FILE).isFile()) return QStringList();
-    QSettings * m_qSettings = new QSettings(CLOUD_FILE, QSettings::IniFormat);
-    m_qSettings->beginGroup(key);
-    QStringList values = m_qSettings->value(key).toStringList();
-    m_qSettings->endGroup();
-    if(m_qSettings)
-        delete m_qSettings;
-    return values;
-}
+//QStringList GlobalSettings::getCloudData(const QString &key)
+//{
+//    if (!QFileInfo(CLOUD_FILE).isFile()) return QStringList();
+//    QSettings * m_qSettings = new QSettings(CLOUD_FILE, QSettings::IniFormat);
+//    m_qSettings->beginGroup(key);
+//    QStringList values = m_qSettings->value(key).toStringList();
+//    m_qSettings->endGroup();
+//    if(m_qSettings)
+//        delete m_qSettings;
+//    return values;
+//}
 
 //here should be override
 //MouseZhangZh
@@ -253,3 +272,16 @@ void GlobalSettings::forceSync(const QString &key)
         m_cache.insert(key, m_settings->value(key));
     }
 }
+
+void GlobalSettings::updateSearchHistory(QString key)
+{
+    if(key == "search")
+    {
+        m_search_record_settings->sync();
+        m_history.clear();
+        for(QString i:m_search_record_settings->allKeys())
+        {
+            m_history.append(QUrl::fromPercentEncoding(i.toLocal8Bit()));
+        }
+    }
+}
diff --git a/libsearch/global-settings.h b/libsearch/global-settings.h
index c9aa011..3fe4250 100644
--- a/libsearch/global-settings.h
+++ b/libsearch/global-settings.h
@@ -31,6 +31,8 @@
 //My demo can build access yet.
 //MouseZhangZh
 #include <QGSettings/QGSettings>
+#include <QDBusConnection>
+#include <QDBusInterface>
 #include "libsearch_global.h"
 
 #define CONTROL_CENTER_PERSONALISE_GSETTINGS_ID "org.ukui.control-center.personalise"
@@ -44,9 +46,11 @@
 #define PATH_NOT_IN_HOME 2;
 #define PATH_PARENT_BLOCKED 3;
 
-#define CLOUD_FILE QDir::homePath() + "/.config/org.ukui/ukui-search/ukui-search-cloud.conf"
-#define CLOUD_HISTORY "history"
-#define CLOUD_APPLICATIONS "applications"
+#define MAIN_SETTINGS QDir::homePath() + "/.config/org.ukui/ukui-search/ukui-search.conf"
+#define BLOCK_DIRS QDir::homePath() + "/.config/org.ukui/ukui-search/ukui-search-block-dirs.conf"
+#define SEARCH_HISTORY QDir::homePath() + "/.config/org.ukui/ukui-search/ukui-search-history.conf"
+//#define CLOUD_HISTORY "history"
+//#define CLOUD_APPLICATIONS "applications"
 
 class LIBSEARCH_EXPORT GlobalSettings : public QObject
 {
@@ -74,13 +78,15 @@ public Q_SLOTS:
      */
     bool setBlockDirs(const QString& path, int &returnCode,bool remove = false);
     QStringList getBlockDirs();
-    void appendCloudData(const QString& key, const QString& value);
-    void setCloudData(const QString& key, const QStringList& values);
-    bool removeOneCloudData(const QString& key, const QString& value);
-    bool removeAllCloudData(const QString& key);
-    QStringList getCloudData(const QString& key);
+//    void appendCloudData(const QString& key, const QString& value);
+    void setSearchRecord(const QString &word, const QDateTime &time);
+    QStringList getSearchRecord();
+//    bool removeOneCloudData(const QString& key, const QString& value);
+//    bool removeAllCloudData(const QString& key);
+//    QStringList getCloudData(const QString& key);
 
     void forceSync(const QString& = nullptr);
+    void updateSearchHistory(QString key);
 
 private:
     explicit GlobalSettings(QObject *parent = nullptr);
@@ -89,7 +95,9 @@ private:
     QSettings* m_settings;
     QGSettings* m_gsettings;
     QSettings *m_block_dirs_settings;
+    QSettings *m_search_record_settings;
     QMap<QString, QVariant> m_cache;
+    QStringList m_history;
 
     QMutex m_mutex;
 
diff --git a/src/content-widget.cpp b/src/content-widget.cpp
index 5e39292..c60ff71 100644
--- a/src/content-widget.cpp
+++ b/src/content-widget.cpp
@@ -303,6 +303,7 @@ void ContentWidget::setupConnect(SearchListView * listview) {
     connect(listview,&SearchListView::currentSelectPos,[=](QPoint pos){
         m_resultListArea->ensureVisible(pos.x(),pos.y());
     });
+    connect(listview,&SearchListView::mousePressed,this,&ContentWidget::mousePressed);
 }
 
 /**
diff --git a/src/content-widget.h b/src/content-widget.h
index fa125c8..143873a 100644
--- a/src/content-widget.h
+++ b/src/content-widget.h
@@ -109,6 +109,7 @@ private:
 
 Q_SIGNALS:
     void currentItemChanged();
+    void mousePressed();
 
 private Q_SLOTS:
     void clearLayout(QLayout *);
diff --git a/src/control/search-list-view.cpp b/src/control/search-list-view.cpp
index c66c2ca..530ee39 100644
--- a/src/control/search-list-view.cpp
+++ b/src/control/search-list-view.cpp
@@ -152,6 +152,15 @@ int SearchListView::getLength()
     return m_item->getCurrentSize();
 }
 
+void SearchListView::mousePressEvent(QMouseEvent *event)
+{
+    if(event->button() == Qt::LeftButton)
+    {
+        Q_EMIT mousePressed();
+    }
+    QTreeView::mousePressEvent(event);
+}
+
 //获取当前选项所属搜索类型
 int SearchListView::getCurrentType() {
     switch (m_type) {
diff --git a/src/control/search-list-view.h b/src/control/search-list-view.h
index b343425..86902db 100644
--- a/src/control/search-list-view.h
+++ b/src/control/search-list-view.h
@@ -23,6 +23,7 @@
 
 #include <QObject>
 #include <QTreeView>
+#include <QMouseEvent>
 #include "model/search-item-model.h"
 #include "model/search-item.h"
 #include "highlight-item-delegate.h"
@@ -60,6 +61,8 @@ public:
     int getType();
     int getLength();
     bool isHidden = false;
+protected:
+    void mousePressEvent(QMouseEvent *event) override;
 private:
     SearchItemModel * m_model = nullptr;
     SearchItem * m_item = nullptr;
@@ -72,6 +75,7 @@ private:
 Q_SIGNALS:
     void currentRowChanged(const int&, const QString&);
     void currentSelectPos(QPoint pos);
+    void mousePressed();
 
 public Q_SLOTS:
     void clearSelection();
diff --git a/src/input-box.cpp b/src/input-box.cpp
index c971744..cf2c5e8 100644
--- a/src/input-box.cpp
+++ b/src/input-box.cpp
@@ -23,7 +23,7 @@
 /**
  * @brief ukui-search顶部搜索界面
  */
-SeachBarWidget::SeachBarWidget()
+SeachBarWidget::SeachBarWidget(QWidget *parent):QWidget(parent)
 {
 }
 
@@ -54,7 +54,7 @@ SeachBar::~SeachBar()
 /**
  * @brief 顶部搜索框所在界面的布局
  */
-SearchBarHLayout::SearchBarHLayout()
+SearchBarHLayout::SearchBarHLayout(QWidget *parent):QHBoxLayout(parent)
 {
     initUI();
 
@@ -86,6 +86,11 @@ SearchBarHLayout::~SearchBarHLayout()
         delete m_timer;
         m_timer = NULL;
     }
+    if(m_queryLineEdit)
+    {
+        delete m_queryLineEdit;
+        m_queryLineEdit = nullptr;
+    }
 }
 
 /**
@@ -93,12 +98,13 @@ SearchBarHLayout::~SearchBarHLayout()
  */
 void SearchBarHLayout::initUI()
 {
-    m_queryLineEdit = new SearchLineEdit;
+    m_queryLineEdit = new SearchLineEdit();
     m_queryLineEdit->installEventFilter(this);
     m_queryLineEdit->setTextMargins(30,1,0,1);
     this->setContentsMargins(0,0,0,0);
     this->setAlignment(m_queryLineEdit,Qt::AlignCenter);
     this->addWidget(m_queryLineEdit);
+
     m_queryWidget = new QWidget(m_queryLineEdit);
     m_queryWidget->setFocusPolicy(Qt::NoFocus);
     m_queryWidget->setStyleSheet("border:0px;background:transparent");
@@ -139,6 +145,11 @@ void SearchBarHLayout::initUI()
     });
 }
 
+void SearchBarHLayout::effectiveSearchRecord()
+{
+    m_queryLineEdit->record();
+}
+
 void SearchBarHLayout::focusIn() {
     m_queryLineEdit->setFocus();
 }
@@ -201,6 +212,14 @@ SearchLineEdit::SearchLineEdit()
 //    this->setContextMenuPolicy(Qt::NoContextMenu);
     this->setMaxLength(100);
 
+    m_completer = new QCompleter(this);
+    m_model = new QStringListModel(this);
+    m_model->setStringList(GlobalSettings::getInstance()->getSearchRecord());
+    m_completer->setModel(m_model);
+    m_completer->setCompletionMode(QCompleter::InlineCompletion);
+    m_completer->setCaseSensitivity(Qt::CaseInsensitive);
+
+    setCompleter(m_completer);
 
     //这是搜索框图标，要改
 //    QAction *searchAction = new QAction(this);
@@ -213,6 +232,18 @@ SearchLineEdit::SearchLineEdit()
     QDBusConnection::sessionBus().registerObject("/lineEdit/textChanged", this,QDBusConnection :: ExportAllSlots | QDBusConnection :: ExportAllSignals);
 
     connect(this, &QLineEdit::textChanged, this, &SearchLineEdit::lineEditTextChanged);
+    connect(this, &QLineEdit::textChanged, this, [=](){
+        m_isRecorded = false;
+    });
+}
+
+void SearchLineEdit::record()
+{
+    if(m_isRecorded == true||text().size() <= 1||text().isEmpty())
+        return;
+    GlobalSettings::getInstance()->setSearchRecord(text(),QDateTime::currentDateTime());
+    m_isRecorded = true;
+    m_model->setStringList(GlobalSettings::getInstance()->getSearchRecord());
 }
 
 SearchLineEdit::~SearchLineEdit()
diff --git a/src/input-box.h b/src/input-box.h
index 73a7c32..ab60339 100644
--- a/src/input-box.h
+++ b/src/input-box.h
@@ -26,13 +26,18 @@
 #include <QPainter>
 #include <QAction>
 #include <QTimer>
+#include <QStringListModel>
+#include <QCompleter>
+#include <QAbstractItemView>
+#include <QVector4D>
+#include "global-settings.h"
 
 class SearchLineEdit;
 
 class SeachBarWidget:public QWidget
 {
 public:
-  SeachBarWidget();
+  SeachBarWidget(QWidget *parent = nullptr);
   ~SeachBarWidget();
 };
 
@@ -50,7 +55,7 @@ class SearchBarHLayout : public QHBoxLayout
 {
     Q_OBJECT
 public:
-    SearchBarHLayout();
+    SearchBarHLayout(QWidget *parent = nullptr);
     ~SearchBarHLayout();
     void clearText();
     QString text();
@@ -74,6 +79,8 @@ private:
 
 Q_SIGNALS:
     void textChanged(QString text);
+public Q_SLOTS:
+    void effectiveSearchRecord();
 
 };
 class SearchBarWidgetLayout : public QHBoxLayout
@@ -97,8 +104,13 @@ class SearchLineEdit : public QLineEdit
     Q_CLASSINFO("D-Bus Interface", "org.ukui.search.inputbox")
 public:
     SearchLineEdit();
+    void record();
     ~SearchLineEdit();
 
 private Q_SLOTS:
     void  lineEditTextChanged(QString arg);
+private:
+    QStringListModel *m_model = nullptr;
+    QCompleter *m_completer= nullptr;
+    bool m_isRecorded = false;
 };
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 1df0d8d..a0c9298 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -224,14 +224,15 @@ void MainWindow::initUi()
 
     m_contentFrame = new ContentWidget(m_frame);//内容栏
 
-    m_searchWidget = new SeachBarWidget;
-    m_searchLayout = new SearchBarHLayout;
+    m_searchWidget = new SeachBarWidget(this);
+    m_searchLayout = new SearchBarHLayout(this);
     m_searchWidget->setLayout(m_searchLayout);
     m_searchWidget->setFixedHeight(44);
 
     mainlayout->addWidget(m_titleFrame);
     mainlayout->addWidget(m_contentFrame);
     mainlayout->addWidget(m_searchWidget);
+    connect(m_contentFrame,&ContentWidget::mousePressed,m_searchLayout,&SearchBarHLayout::effectiveSearchRecord);
 
     connect(QApplication::primaryScreen(), &QScreen::geometryChanged,
             this, &MainWindow::monitorResolutionChange);