diff --git a/ukui-search-app-data-service/app-db-manager.cpp b/ukui-search-app-data-service/app-db-manager.cpp
index 5012410..79ac926 100644
--- a/ukui-search-app-data-service/app-db-manager.cpp
+++ b/ukui-search-app-data-service/app-db-manager.cpp
@@ -501,11 +501,11 @@ void AppDBManager::refreshAllData2DB()
     }
 }
 
-bool AppDBManager::handleLocaleDataUpdate(const QString &desktopPath)
+bool AppDBManager::handleLocaleDataUpdate(const QString &desktopfp)
 {
     bool res(true);
     XdgDesktopFile desktopFile;
-    desktopFile.load(desktopPath);
+    desktopFile.load(desktopfp);
     QString localName = desktopFile.localizedValue("Name", "NULL").toString();
     QString firstLetter2All = localName;
 
@@ -520,7 +520,7 @@ bool AppDBManager::handleLocaleDataUpdate(const QString &desktopPath)
                           "WHERE DESKTOP_FILE_PATH='%2'")
                           .arg(localName)
                           .arg(firstLetter2All)
-                          .arg(desktopPath);
+                          .arg(desktopfp);
 
     if (!sql.exec(cmd)) {
         qWarning() << m_database.lastError() << cmd;
@@ -528,12 +528,14 @@ bool AppDBManager::handleLocaleDataUpdate(const QString &desktopPath)
     }
     if (res) {
         AppInfoResult result;
-        result.appLocalName = localName;
-        result.firstLetter = firstLetter2All;
-        Q_EMIT this->appDBItemUpdate(result);
-        qDebug() << "Already to update the locale app-data of " << desktopPath;
+        if (this->createAppInfoResult(desktopfp, result)) {
+            qDebug() << "Update the locale data of " << result.desktopPath;
+            Q_EMIT this->appDBItemUpdate(result);
+        }
+
+
     } else {
-        qDebug() << "Fail to update the locale app-data of " << desktopPath;
+        qDebug() << "Fail to update the locale data of " << desktopfp;
     }
     return res;
 }
@@ -753,14 +755,14 @@ bool AppDBManager::handleDBItemDelete(const QString &desktopfd)
     return res;
 }
 
-bool AppDBManager::handleDBItemUpdate(const QString &desktopfd)
+bool AppDBManager::handleDBItemUpdate(const QString &desktopfp)
 {
     bool res(true);
     XdgDesktopFile desktopfile;
-    desktopfile.load(desktopfd);
+    desktopfile.load(desktopfp);
     if (desktopfile.value("NoDisplay").toString().contains("true") || desktopfile.value("NotShowIn").toString().contains("UKUI")) {
-        qDebug() << "app" << desktopfd << "is changed, but NoDisplay or NotShowIn is working!";
-        return this->handleDBItemDelete(desktopfd);
+        qDebug() << "app" << desktopfp << "is changed, but NoDisplay or NotShowIn is working!";
+        return this->handleDBItemDelete(desktopfp);
     }
     QString hanzi, pinyin, firstLetterOfPinyin;
     QString localName = desktopfile.localizedValue("Name", "NULL").toString();
@@ -820,23 +822,20 @@ bool AppDBManager::handleDBItemUpdate(const QString &desktopfd)
             .arg(desktopfile.value("Categories").toString())
             .arg(desktopfile.value("Exec").toString())
             .arg(desktopfile.value("Comment").toString().replace("'", "''"))
-            .arg(getAppDesktopMd5(desktopfd))
-            .arg(desktopfd);
+            .arg(getAppDesktopMd5(desktopfp))
+            .arg(desktopfp);
     if (!sql.exec(cmd)) {
         qWarning() << m_database.lastError() << cmd;
         res = false;
     }
     if (res) {
         AppInfoResult result;
-        result.desktopPath = desktopfd;
-        result.iconName = desktopfile.value("Icon").toString();
-        result.appLocalName = localName;
-        result.firstLetter = firstLetter2All;
-        result.category = desktopfile.value("Categories").toString();
-        Q_EMIT this->appDBItemUpdate(result);
-        qDebug() << "app database update " << desktopfd << "success!";
+        if (this->createAppInfoResult(desktopfp, result)) {
+            qDebug() << "app database update " << result.desktopPath << "success!";
+            Q_EMIT this->appDBItemUpdate(result);
+        }
     } else {
-        qDebug() << "app database update " << desktopfd << "failed!";
+        qDebug() << "app database update " << desktopfp << "failed!";
     }
     return res;
 }
@@ -860,10 +859,10 @@ bool AppDBManager::handleLaunchTimesUpdate(const QString &desktopfp, int num)
                 res = false;
             } else {
                 AppInfoResult result;
-                result.desktopPath = desktopfp;
-                result.launchTimes = launchTimes;
-                Q_EMIT this->appDBItemUpdate(result);
-                qDebug() << "app database update:" << desktopfp << "launch times:" << launchTimes << "success!";
+                if (this->createAppInfoResult(desktopfp, result)) {
+                    qDebug() << "app database update " << result.desktopPath << "launch times: " << result.launchTimes << "success!";
+                    Q_EMIT this->appDBItemUpdate(result);
+                }
             }
         } else {
             qWarning() << "Failed to exec next!" << cmd;
@@ -914,11 +913,11 @@ bool AppDBManager::handleFavoritesStateUpdate(const QString &desktopfp, int num)
         qWarning() << "Set app favorites state failed!" << m_database.lastError();
         res = false;
     } else {
-        AppInfoResult info;
-        info.desktopPath = desktopfp;
-        info.favorite = num;
-        Q_EMIT this->appDBItemUpdate(info);
-        qDebug() << "app database update " << desktopfp << "favorites state: " << num << "success!";
+        AppInfoResult result;
+        if (this->createAppInfoResult(desktopfp, result)) {
+            qDebug() << "app database update " << result.desktopPath << "favorites state: " << result.favorite << "success!";
+            Q_EMIT this->appDBItemUpdate(result);
+        }
     }
     return res;
 }
@@ -961,11 +960,11 @@ bool AppDBManager::handleTopStateUpdate(const QString &desktopfp, int num)
         qWarning() << "Set app favorites state failed!" << m_database.lastError();
         res = false;
     } else {
-        AppInfoResult info;
-        info.desktopPath = desktopfp;
-        info.top = num;
-        Q_EMIT this->appDBItemUpdate(info);
-        qDebug() << "app database update " << desktopfp << "top state: " << num << "success!";
+        AppInfoResult result;
+        if (this->createAppInfoResult(desktopfp, result)) {
+            qDebug() << "app database update " << result.desktopPath << "top state: " << result.top << "success!";
+            Q_EMIT this->appDBItemUpdate(result);
+        }
     }
     return res;
 }
@@ -982,11 +981,39 @@ bool AppDBManager::handleLockStateUpdate(const QString &desktopfp, int num)
         qWarning() << "Set app favorites state failed!" << m_database.lastError();
         res = false;
     } else {
-        AppInfoResult info;
-        info.desktopPath = desktopfp;
-        info.lock = num;
-        Q_EMIT this->appDBItemUpdate(info);
-        qDebug() << "app database update " << desktopfp << "lock state: " << num << "success!";
+        AppInfoResult result;
+        if (this->createAppInfoResult(desktopfp, result)) {
+            qDebug() << "app database update " << result.desktopPath << "lock state: " << result.lock << "success!";
+            Q_EMIT this->appDBItemUpdate(result);
+        }
+    }
+    return res;
+}
+
+bool AppDBManager::createAppInfoResult(const QString &desktopfp, AppInfoResult &result)
+{
+    bool res(false);
+    QSqlQuery sql(m_database);
+    QString cmd = QString("SELECT ICON, LOCAL_NAME, FIRST_LETTER_ALL, CATEGORY, "
+                          "TOP, FAVORITES, LAUNCH_TIMES, LOCK FROM APPINFO "
+                          "WHERE DESKTOP_FILE_PATH='%1'").arg(desktopfp);
+    if(sql.exec(cmd)) {
+        if (sql.next()) {
+            result.desktopPath = desktopfp;
+            result.iconName = sql.value(0).toString();
+            result.appLocalName = sql.value(1).toString();
+            result.firstLetter = sql.value(2).toString();
+            result.category = sql.value(3).toString();
+            result.top = sql.value(4).toInt();
+            result.favorite = sql.value(5).toInt();
+            result.launchTimes = sql.value(6).toInt();
+            result.lock = sql.value(7).toInt();
+            res = true;
+        } else {
+            qWarning() << "Fail to exec next. " << cmd << m_database.lastError();
+        }
+    } else {
+        qWarning() << "Fail to exec " << cmd << m_database.lastError();
     }
     return res;
 }
diff --git a/ukui-search-app-data-service/app-db-manager.h b/ukui-search-app-data-service/app-db-manager.h
index f0ae476..bd4e9f4 100644
--- a/ukui-search-app-data-service/app-db-manager.h
+++ b/ukui-search-app-data-service/app-db-manager.h
@@ -65,14 +65,15 @@ public:
     bool startCommit();
 
     bool handleDBItemInsert(const QString &desktopfd);
-    bool handleDBItemUpdate(const QString &desktopfd);
+    bool handleDBItemUpdate(const QString &desktopfp);
     bool handleDBItemDelete(const QString &desktopfd);
 
-    bool handleLocaleDataUpdate(const QString &desktopPath);
+    bool handleLocaleDataUpdate(const QString &desktopfp);
     bool handleLaunchTimesUpdate(const QString &desktopfp, int num);
     bool handleFavoritesStateUpdate(const QString &desktopfp, int num);
     bool handleTopStateUpdate(const QString &desktopfp, int num);
     bool handleLockStateUpdate(const QString &desktopfp, int num);
+    bool createAppInfoResult(const QString &desktopfp, AppInfoResult &result);
 
 public Q_SLOTS:
     //对数据库单条所有信息进行增删改
diff --git a/ukui-search-app-data-service/signal-transformer.cpp b/ukui-search-app-data-service/signal-transformer.cpp
index 6cc081e..97bdbf6 100644
--- a/ukui-search-app-data-service/signal-transformer.cpp
+++ b/ukui-search-app-data-service/signal-transformer.cpp
@@ -29,12 +29,20 @@ void SignalTransformer::handleItemDelete(const QString &desktopfp)
 void SignalTransformer::handleSignalTransform()
 {
     QMutexLocker locker(&s_mutex);
-    Q_EMIT this->appDBItemsAdd(m_items2BInsert);
-    Q_EMIT this->appDBItemsUpdate(m_items2BUpdate);
-    Q_EMIT this->appDBItemsDelete(m_items2BDelete);
-    m_items2BInsert.clear();
-    m_items2BUpdate.clear();
-    m_items2BDelete.clear();
+    if (!m_items2BInsert.isEmpty()) {
+        Q_EMIT this->appDBItemsAdd(m_items2BInsert);
+        m_items2BInsert.clear();
+    }
+
+    if (!m_items2BUpdate.isEmpty()) {
+        Q_EMIT this->appDBItemsUpdate(m_items2BUpdate);
+        m_items2BUpdate.clear();
+    }
+
+    if (!m_items2BDelete.isEmpty()) {
+        Q_EMIT this->appDBItemsDelete(m_items2BDelete);
+        m_items2BDelete.clear();
+    }
 }
 
 SignalTransformer::SignalTransformer(QObject *parent) : QObject(parent)