diff --git a/libsearch/index/database.cpp b/libsearch/index/database.cpp
index d80d464..958e386 100644
--- a/libsearch/index/database.cpp
+++ b/libsearch/index/database.cpp
@@ -18,23 +18,12 @@
  * Authors: iaom <zhangpengfei@kylinos.cn>
  */
 #include "database.h"
+#include <QDir>
 
 using namespace UkuiSearch;
-Database::Database(const DataBaseType &type)
+Database::Database(const DataBaseType &type): m_type(type)
 {
-    switch (type) {
-        case DataBaseType::Basic:
-            m_database = new Xapian::Database(INDEX_PATH.toStdString());
-            break;
-        case DataBaseType::Content:
-            m_database = new Xapian::Database(CONTENT_INDEX_PATH.toStdString());
-            break;
-        case DataBaseType::OcrContent:
-            m_database = new Xapian::Database(OCR_CONTENT_INDEX_PATH.toStdString());
-            break;
-        default:
-            break;
-    }
+    refresh();
 }
 
 Database::~Database()
@@ -45,7 +34,43 @@ Database::~Database()
     }
 }
 
-uint Database::getIndexDocCount() const
+uint Database::getIndexDocCount()
 {
-    return m_database->get_doccount();
+    if(!valid()) {
+        refresh();
+    }
+    if(m_database) {
+        return m_database->get_doccount();
+    } else {
+        return 0;
+    }
+}
+
+bool Database::valid() const
+{
+    return m_database != nullptr;
+}
+
+bool Database::refresh()
+{
+    switch (m_type) {
+        case DataBaseType::Basic:
+            if(QDir(INDEX_PATH).exists()) {
+                m_database = new Xapian::Database(INDEX_PATH.toStdString());
+                break;
+            }
+        case DataBaseType::Content:
+            if(QDir(CONTENT_INDEX_PATH).exists()) {
+                m_database = new Xapian::Database(CONTENT_INDEX_PATH.toStdString());
+                break;
+            }
+        case DataBaseType::OcrContent:
+            if(QDir(OCR_CONTENT_INDEX_PATH).exists()) {
+                m_database = new Xapian::Database(OCR_CONTENT_INDEX_PATH.toStdString());
+                break;
+            }
+        default:
+            break;
+    }
+    return m_database != nullptr;
 }
diff --git a/libsearch/index/database.h b/libsearch/index/database.h
index 99fe153..8953b17 100644
--- a/libsearch/index/database.h
+++ b/libsearch/index/database.h
@@ -28,10 +28,14 @@ class Database
 public:
     explicit Database(const DataBaseType &type);
     ~Database();
+    bool valid() const;
+    bool refresh();
+
+    uint getIndexDocCount();
 
-    uint getIndexDocCount() const;
 private:
-    Xapian::Database *m_database;
+    Xapian::Database *m_database = nullptr;
+    DataBaseType m_type;
 };
 }
 #endif // DATABASE_H
diff --git a/ukui-search-service/CMakeLists.txt b/ukui-search-service/CMakeLists.txt
index c4e7528..fbc94ad 100644
--- a/ukui-search-service/CMakeLists.txt
+++ b/ukui-search-service/CMakeLists.txt
@@ -51,7 +51,7 @@ target_include_directories(ukui-search-service PRIVATE
 
 target_compile_definitions(ukui-search-service PRIVATE
         QT_DEPRECATED_WARNINGS
-        VERSION="UKUI_SEARCH_SERVICE_VERSION"
+        VERSION="${UKUI_SEARCH_SERVICE_VERSION}"
         QT_NO_KEYWORDS
         )
 
diff --git a/ukui-search-service/monitor.cpp b/ukui-search-service/monitor.cpp
index 6118f5e..79d1939 100644
--- a/ukui-search-service/monitor.cpp
+++ b/ukui-search-service/monitor.cpp
@@ -32,10 +32,12 @@ Monitor::Monitor(IndexScheduler *scheduler, QObject *parent) : MonitorSource(par
     connect(scheduler, &IndexScheduler::basicIndexDone, this, &Monitor::basicIndexDone);
     connect(scheduler, &IndexScheduler::contentIndexDone, this, &Monitor::contentIndexDone);
     connect(FileIndexerConfig::getInstance(), &FileIndexerConfig::appendIndexDir, this, [&](){
-        Q_EMIT currentIndexPathsChanged(FileIndexerConfig::getInstance()->currentIndexableDir());
+        m_currentIndexPaths = FileIndexerConfig::getInstance()->currentIndexableDir();
+        Q_EMIT currentIndexPathsChanged(m_currentIndexPaths);
     });
     connect(FileIndexerConfig::getInstance(), &FileIndexerConfig::removeIndexDir, this, [&](){
-        Q_EMIT currentIndexPathsChanged(FileIndexerConfig::getInstance()->currentIndexableDir());
+        m_currentIndexPaths = FileIndexerConfig::getInstance()->currentIndexableDir();
+        Q_EMIT currentIndexPathsChanged(m_currentIndexPaths);
     });
 }
 
@@ -82,24 +84,28 @@ uint Monitor::ocrIndexProgress() const
 
 uint Monitor::basicIndexDocNum() const
 {
-    return m_basicDatabase.getIndexDocCount();
+    return m_basicIndexDocNum;
 }
 
 uint Monitor::contentIndexDocNum() const
 {
-    return m_contentDatabase.getIndexDocCount();
+    return m_contentIndexDocNum;
 }
 
 uint Monitor::ocrContentIndexDocNum() const
 {
-    return m_ocrContentDatabase.getIndexDocCount();
+    return m_ocrContentIndexDocNum;
 }
 
 void Monitor::onIndexStateChanged(IndexScheduler::IndexerState state)
 {
-    if(state == IndexScheduler::IndexerState::Idle) {
-        Q_EMIT basicIndexDocNumChanged(m_basicDatabase.getIndexDocCount());
-        Q_EMIT contentIndexDocNumChanged(m_contentDatabase.getIndexDocCount());
+    if(state == IndexScheduler::IndexerState::Idle || state == IndexScheduler::IndexerState::Stop) {
+        m_basicIndexDocNum = m_basicDatabase.getIndexDocCount();
+        Q_EMIT basicIndexDocNumChanged(m_basicIndexDocNum);
+        m_contentIndexDocNum = m_contentDatabase.getIndexDocCount();
+        Q_EMIT contentIndexDocNumChanged(m_contentIndexDocNum);
+        m_ocrContentIndexDocNum = m_ocrContentDatabase.getIndexDocCount();
+        Q_EMIT ocrContentIndexDocNumChanged(m_ocrContentDatabase.getIndexDocCount());
     }
     QMetaEnum metaEnum = QMetaEnum::fromType<IndexScheduler::IndexerState>();
     Q_EMIT indexStateChanged(QString::fromLocal8Bit(metaEnum.valueToKey(state)));
@@ -108,25 +114,31 @@ void Monitor::onIndexStateChanged(IndexScheduler::IndexerState state)
 void Monitor::processUpdate(IndexType type, uint all, uint finished)
 {
     switch (type) {
-    case IndexType::Basic:
-        m_basicIndexSize = all;
-        Q_EMIT basicIndexSizeChanged(m_basicIndexSize);
-        m_basicIndexProgress = finished;
-        Q_EMIT basicIndexProgressChanged(m_basicIndexProgress);
-        break;
-    case IndexType::Contents:
-        m_contentIndexSize = all;
-        Q_EMIT contentIndexSizeChanged(m_contentIndexSize);
-        m_contentIndexProgress = finished;
-        Q_EMIT contentIndexProgressChanged(m_contentIndexProgress);
-        break;
-    case IndexType::OCR:
-        m_ocrIndexSize = all;
-        Q_EMIT ocrIndexSizeChanged(m_ocrIndexSize);
-        m_contentIndexProgress = finished;
-        Q_EMIT ocrIndexProgressChanged(m_contentIndexProgress);
-        break;
-    default:
-        break;
+        case IndexType::Basic:
+            m_basicIndexSize = all;
+            Q_EMIT basicIndexSizeChanged(m_basicIndexSize);
+            m_basicIndexProgress = finished;
+            Q_EMIT basicIndexProgressChanged(m_basicIndexProgress);
+            m_basicIndexDocNum = m_basicDatabase.getIndexDocCount();
+            Q_EMIT basicIndexDocNumChanged(m_basicIndexDocNum);
+            break;
+        case IndexType::Contents:
+            m_contentIndexSize = all;
+            Q_EMIT contentIndexSizeChanged(m_contentIndexSize);
+            m_contentIndexProgress = finished;
+            Q_EMIT contentIndexProgressChanged(m_contentIndexProgress);
+            m_contentIndexDocNum = m_contentDatabase.getIndexDocCount();
+            Q_EMIT contentIndexDocNumChanged(m_contentIndexDocNum);
+            break;
+        case IndexType::OCR:
+            m_ocrIndexSize = all;
+            Q_EMIT ocrIndexSizeChanged(m_ocrIndexSize);
+            m_contentIndexProgress = finished;
+            Q_EMIT ocrIndexProgressChanged(m_contentIndexProgress);
+            m_ocrContentIndexDocNum = m_ocrContentDatabase.getIndexDocCount();
+            Q_EMIT ocrContentIndexDocNumChanged(m_ocrContentDatabase.getIndexDocCount());
+            break;
+        default:
+            break;
     }
 }
diff --git a/ukui-search-service/monitor.h b/ukui-search-service/monitor.h
index 13d7cd8..df338eb 100644
--- a/ukui-search-service/monitor.h
+++ b/ukui-search-service/monitor.h
@@ -103,12 +103,17 @@ Q_SIGNALS:
      */
     void contentIndexDone();
 
+    void basicIndexDocNumChanged(uint);
+    void contentIndexDocNumChanged(uint);
+    void ocrContentIndexDocNumChanged(uint);
+
 private Q_SLOTS:
     void onIndexStateChanged(IndexScheduler::IndexerState);
     void processUpdate(UkuiSearch::IndexType type, uint all, uint finished);
 
 private:
     IndexScheduler *m_scheduler = nullptr;
+    QStringList m_currentIndexPaths;
     Database m_basicDatabase;
     Database m_contentDatabase;
     Database m_ocrContentDatabase;
@@ -118,6 +123,9 @@ private:
     uint m_basicIndexProgress = 0;
     uint m_contentIndexProgress = 0;
     uint m_ocrIndexProgress = 0;
+    uint m_basicIndexDocNum = 0;
+    uint m_contentIndexDocNum = 0;
+    uint m_ocrContentIndexDocNum = 0;
 };
 }
 #endif // MONITOR_H
diff --git a/ukui-search-service/ukui-search-service.cpp b/ukui-search-service/ukui-search-service.cpp
index 6dc167c..e968de8 100644
--- a/ukui-search-service/ukui-search-service.cpp
+++ b/ukui-search-service/ukui-search-service.cpp
@@ -23,6 +23,7 @@
 #include <utility>
 
 #include <stdio.h>
+#include <QVariant>
 #include "ukui-search-service.h"
 #include "dir-watcher.h"
 #include "file-utils.h"
@@ -125,6 +126,7 @@ void UkuiSearchService::showMonitorState()
 {
     m_qroNode.connectToNode(QUrl(QStringLiteral("local:ukui-search-service-monitor")));
     auto *m = m_qroNode.acquire<MonitorReplica>();
+
     connect(m, &QRemoteObjectReplica::initialized, [&, m](){
         qDebug() << "QRemoteObjectReplica initialized";
         QString state = m->indexState();
@@ -137,8 +139,8 @@ void UkuiSearchService::showMonitorState()
 
         } else {
             message += "Basic index progress: " + QString::number(m->basicIndexProgress()) + " of " + QString::number(m->basicIndexSize())+ " finished\n"
-                       + "Content index size: " + QString::number(m->contentIndexProgress()) + " of " + QString::number(m->contentIndexSize())+ " finished\n"
-                       + "Ocr content index size: " + QString::number(m->ocrIndexProgress()) + " of " + QString::number(m->ocrIndexSize())+ " finished\n";
+                       + "Content index progress: " + QString::number(m->contentIndexProgress()) + " of " + QString::number(m->contentIndexSize())+ " finished\n"
+                       + "Ocr content index progress: " + QString::number(m->ocrIndexProgress()) + " of " + QString::number(m->ocrIndexSize())+ " finished\n";
         }
 
         delete m;