diff --git a/src/appdata/app-folder-helper.cpp b/src/appdata/app-folder-helper.cpp
index 80d73a1..d0f5aa6 100644
--- a/src/appdata/app-folder-helper.cpp
+++ b/src/appdata/app-folder-helper.cpp
@@ -40,6 +40,7 @@ AppFolderHelper *AppFolderHelper::instance()
 
 AppFolderHelper::AppFolderHelper()
 {
+    qRegisterMetaType<Folder>("Folder");
     if (!QFile::exists(s_folderConfigFile)) {
         QDir dir;
         QString folderConfigDir(QDir::homePath() + "/" + FOLDER_FILE_PATH);
@@ -66,95 +67,104 @@ AppFolderHelper::~AppFolderHelper()
 void AppFolderHelper::insertFolder(const Folder &folder)
 {
     QMutexLocker locker(&m_mutex);
-    m_folders.append(folder);
+    m_folders.insert(folder.id, folder);
 }
 
-void AppFolderHelper::addAppToFolder(const QString& appId, const QString& folderName)
+void AppFolderHelper::addAppToFolder(const QString &appId, const int &folderId)
 {
-    if (appId.isEmpty() || folderName.isEmpty()) {
+    if (appId.isEmpty()) {
         return;
     }
 
     {
         QMutexLocker locker(&m_mutex);
-        Folder *folder = findFolder(folderName);
-        if (folder) {
-            if (!folder->apps.contains(appId)) {
-                folder->apps.append(appId);
-            }
+        if (!m_folders.contains(folderId)) {
             return;
         }
+
+        Folder &folder = m_folders[folderId];
+        if (folder.apps.contains(appId)) {
+            return;
+        }
+
+        folder.apps.append(appId);
     }
 
-    // 新文件夹放最后
-    Folder folder;
-    folder.name = folderName;
-    folder.apps.append(appId);
-    if (m_folders.isEmpty()) {
-        folder.index = 1;
-    } else {
-        folder.index = m_folders.last().index + 1;
+    Q_EMIT folderDataChanged();
+}
+
+void AppFolderHelper::addAppToNewFolder(const QString &appId, const QString &folderName)
+{
+    if (appId.isEmpty()) {
+        return;
     }
 
+    // TODO: max越界处理
+    int max = m_folders.isEmpty() ? -1 : m_folders.lastKey();
+    QString name = folderName;
+    if (name.isEmpty()) {
+        name = tr("New Folder %1").arg(m_folders.size() + 1);
+    }
+
+    Folder folder;
+    folder.id = ++max;
+    folder.name = name;
+    folder.apps.append(appId);
+
     insertFolder(folder);
+    Q_EMIT folderDataChanged();
 }
 
-void AppFolderHelper::removeAppFromFolder(const QString &appId, const QString &folderName)
+void AppFolderHelper::removeAppFromFolder(const QString &appId, const int &folderId)
 {
-    if (appId.isEmpty() || folderName.isEmpty()) {
+    if (appId.isEmpty()) {
         return;
     }
 
+    {
+        QMutexLocker locker(&m_mutex);
+        if (!m_folders.contains(folderId)) {
+            return;
+        }
+        Folder &folder = m_folders[folderId];
+        if (!folder.apps.contains(appId)) {
+            return;
+        }
+        folder.apps.removeOne(appId);
+    }
+
+    Q_EMIT folderDataChanged();
+}
+
+bool AppFolderHelper::deleteFolder(const int& folderId)
+{
     QMutexLocker locker(&m_mutex);
-    Folder *folder = findFolder(folderName);
-    if (!folder) {
-        return;
-    }
-
-    if (folder->apps.contains(appId)) {
-        folder->apps.removeOne(appId);
-    }
-}
-
-bool AppFolderHelper::deleteFolder(const QString &folderName)
-{
-    if (folderName.isEmpty()) {
+    if (!m_folders.contains(folderId)) {
         return false;
     }
 
-    QMutexLocker locker(&m_mutex);
-    QVector<Folder>::iterator iterator = m_folders.begin();
-    for (; iterator != m_folders.end(); ++iterator) {
-        if (folderName == iterator->name) {
-            m_folders.erase(iterator);
-            return true;
-        }
+    if (m_folders.remove(folderId)) {
+        return true;
     }
 
     return false;
 }
 
-QVector<Folder> AppFolderHelper::folderData()
+QList<Folder> AppFolderHelper::folderData()
 {
     QMutexLocker locker(&m_mutex);
-    return m_folders;
+    return m_folders.values();
 }
 
-bool AppFolderHelper::searchFolder(const QString& folderName, Folder &folder)
+bool AppFolderHelper::searchFolder(const int &folderId, Folder &folder)
 {
-    if (folderName.isEmpty()) {
-        return false;
-    }
-
     QMutexLocker locker(&m_mutex);
-    Folder *tmp = findFolder(folderName);
-    if (!tmp) {
+    if (!m_folders.contains(folderId)) {
         return false;
     }
 
-    folder.name = tmp->name;
-    folder.index = tmp->index;
-    folder.apps = tmp->apps;
+    const Folder &tmp = m_folders[folderId];
+    folder = tmp;
 
     return true;
 }
@@ -166,51 +176,14 @@ bool AppFolderHelper::searchFolderByAppName(const QString &appId, Folder &folder
     }
 
     QMutexLocker locker(&m_mutex);
-    Folder *tmp = findFolderByAppName(appId);
-    if (!tmp) {
-        return false;
-    }
-
-    folder.name = tmp->name;
-    folder.index = tmp->index;
-    folder.apps = tmp->apps;
-
-    return true;
-}
-
-Folder *AppFolderHelper::findFolder(const QString &folderName)
-{
-    if (m_folders.empty()) {
-        return nullptr;
-    }
-
-    QVector<Folder>::iterator iterator = m_folders.begin();
-    for (; iterator != m_folders.end(); ++iterator) {
-        if (folderName == iterator->name) {
-            // 如果定义了 QT_STRICT_ITERATORS 宏，那么迭代器为：class iterator; 否则迭代器为：typedef T* iterator;
-            // kylin上的qt库没有定义QT_STRICT_ITERATORS宏，需要注意该处可能出现的编译错误，参见QVector源码。
-            // return &*iterator;
-            return iterator;
+    for (const auto &tmp: m_folders) {
+        if (tmp.apps.contains(appId)) {
+            folder = tmp;
+            return true;
         }
     }
 
-    return nullptr;
-}
-
-Folder *AppFolderHelper::findFolderByAppName(const QString &appId)
-{
-    if (m_folders.empty()) {
-        return nullptr;
-    }
-
-    QVector<Folder>::iterator iterator = m_folders.begin();
-    for (; iterator != m_folders.end(); ++iterator) {
-        if (iterator->apps.contains(appId)) {
-            return iterator;
-        }
-    }
-
-    return nullptr;
+    return false;
 }
 
 void AppFolderHelper::forceSync()
@@ -243,15 +216,12 @@ void AppFolderHelper::readData()
 
     // 遍历json数据节点
     QJsonArray jsonArray = jsonDocument.array();
-    QJsonArray::iterator iterator = jsonArray.begin();
-    while (iterator != jsonArray.end()) {
-        QJsonObject object = (*iterator).toObject();
-
-        if (object.contains("name") && object.contains("index") && object.contains("apps")) {
+    for (const auto &value : jsonArray) {
+        QJsonObject object = value.toObject();
+        if (object.contains("name") && object.contains("id") && object.contains("apps")) {
             Folder folder;
-
             folder.name = object.value(QLatin1String("name")).toString();
-            folder.index = object.value(QLatin1String("index")).toInt();
+            folder.id = object.value(QLatin1String("id")).toInt();
 
             QJsonArray apps = object.value(QLatin1String("apps")).toArray();
             for (const auto &app : apps) {
@@ -262,8 +232,6 @@ void AppFolderHelper::readData()
                 insertFolder(folder);
             }
         }
-
-        ++iterator;
     }
 }
 
@@ -274,7 +242,6 @@ void AppFolderHelper::saveData()
         return;
     }
 
-    // 读取json数据
     QJsonDocument jsonDocument;
     QJsonArray folderArray;
 
@@ -289,7 +256,7 @@ void AppFolderHelper::saveData()
             }
 
             object.insert("name", folder.name);
-            object.insert("index", folder.index);
+            object.insert("id", folder.id);
             object.insert("apps", apps);
 
             folderArray.append(object);
diff --git a/src/appdata/app-folder-helper.h b/src/appdata/app-folder-helper.h
index 57165d4..bc0a7b5 100644
--- a/src/appdata/app-folder-helper.h
+++ b/src/appdata/app-folder-helper.h
@@ -22,27 +22,30 @@
 #include <QObject>
 #include <QMutex>
 #include <QMutexLocker>
-#include <QVector>
+#include <QMap>
 #include <QString>
 #include <QStringList>
 
 namespace UkuiMenu {
 
+class AppFolderHelper;
+
 class Folder
 {
     Q_GADGET
-    Q_PROPERTY(int index READ getIndex)
+    Q_PROPERTY(int id READ getId)
     Q_PROPERTY(QString name READ getName)
     Q_PROPERTY(QStringList apps READ getApps)
+    friend class AppFolderHelper;
 public:
-    int getIndex() const { return index; }
+    int getId() const { return id; }
     QString getName() const { return name; }
     QStringList getApps() const { return apps; }
 
-public:
-    int index;
-    QString name;
-    QStringList apps;
+private:
+    int id;           // 文件夹唯一Id，文件夹排序值
+    QString name;     // 名称
+    QStringList apps; // 应用列表
 };
 
 class AppFolderHelper : public QObject
@@ -59,13 +62,14 @@ public:
 
     // TODO 修改文件夹信息
     // xxxx
-    bool searchFolder(const QString& folderName, Folder &folder);
+    bool searchFolder(const int& folderId, Folder &folder);
     bool searchFolderByAppName(const QString& appId, Folder &folder);
-    QVector<Folder> folderData();
+    QList<Folder> folderData();
 
-    void addAppToFolder(const QString& appId, const QString& folderName);
-    void removeAppFromFolder(const QString& appId, const QString& folderName);
-    bool deleteFolder(const QString& folderName);
+    void addAppToFolder(const QString& appId, const int& folderId);
+    void addAppToNewFolder(const QString& appId, const QString& folderName);
+    void removeAppFromFolder(const QString& appId, const int& folderId);
+    bool deleteFolder(const int& folderId);
 
     void forceSync();
 
@@ -77,13 +81,11 @@ private:
     void readData();
     void saveData();
     void insertFolder(const Folder& folder);
-    Folder *findFolder(const QString& folderName);
-    Folder *findFolderByAppName(const QString& appId);
     // TODO 配置文件监听
 
 private:
     QMutex m_mutex;
-    QVector<Folder> m_folders;
+    QMap<int, Folder> m_folders;
     static QString s_folderConfigFile;
 };
 
diff --git a/src/appdata/plugin/all-app-data-provider.cpp b/src/appdata/plugin/all-app-data-provider.cpp
index f8d53fc..aa0dcdf 100644
--- a/src/appdata/plugin/all-app-data-provider.cpp
+++ b/src/appdata/plugin/all-app-data-provider.cpp
@@ -108,22 +108,22 @@ void AllAppDataProvider::reloadFolderData()
     m_folderApps.clear();
     m_folderData.clear();
 
-    QVector<Folder> folders = AppFolderHelper::instance()->folderData();
+    QList<Folder> folders = AppFolderHelper::instance()->folderData();
     if (folders.isEmpty()) {
         return;
     }
 
     std::sort(folders.begin(), folders.end(), [](const Folder &a, const Folder &b) {
-        return a.index < b.index;
+        return a.getId() < b.getId();
     });
 
     DataEntity folderItem;
     for (const auto &folder : folders) {
         folderItem.setType(DataType::Folder);
         folderItem.setIcon("image://appicon/text-plain");
-        folderItem.setName(folder.name);
+        folderItem.setName(folder.getName());
 
-        m_folderApps.unite(folder.apps.toSet());
+        m_folderApps.unite(folder.getApps().toSet());
         m_folderData.append(folderItem);
     }
 }