diff --git a/api/dbus/org.desktopspec.ApplicationManager1.Application.xml b/api/dbus/org.desktopspec.ApplicationManager1.Application.xml
index 112c09c..b19efeb 100644
--- a/api/dbus/org.desktopspec.ApplicationManager1.Application.xml
+++ b/api/dbus/org.desktopspec.ApplicationManager1.Application.xml
@@ -7,6 +7,9 @@
         />
         
         <property name="Categories" type="as" access="read"/>
+        <property name="X_linglong" type="b" access="read"/>
+        <property name="X_Flatpak" type="b" access="read"/>
+        <property name="installedTime" type="t" access="read"/>
 
         <property name="Actions" type="as" access="read">
            <annotation
diff --git a/src/dbus/applicationmanager1service.cpp b/src/dbus/applicationmanager1service.cpp
index da83db2..3d01562 100644
--- a/src/dbus/applicationmanager1service.cpp
+++ b/src/dbus/applicationmanager1service.cpp
@@ -270,9 +270,9 @@ void ApplicationManager1Service::updateApplication(const QSharedPointer<Applicat
         return;
     }
 
-    auto mtime = getFileModifiedTime(desktopFile.sourceFileRef());
+    auto mtime = getFileTimeInfo(desktopFile.sourceFileRef());
 
-    if (destApp->desktopFileSource().modified(mtime)) {
+    if (destApp->desktopFileSource().modified(std::get<1>(mtime))) {
         auto *newEntry = new (std::nothrow) DesktopEntry{};
         if (newEntry == nullptr) {
             qCritical() << "new DesktopEntry failed.";
diff --git a/src/dbus/applicationservice.cpp b/src/dbus/applicationservice.cpp
index 6ffe725..076d59a 100644
--- a/src/dbus/applicationservice.cpp
+++ b/src/dbus/applicationservice.cpp
@@ -264,6 +264,23 @@ QString ApplicationService::id() const noexcept
     return m_desktopSource.desktopId();
 }
 
+bool ApplicationService::x_Flatpak() const noexcept
+{
+    auto val = findEntryValue(DesktopFileEntryKey, "X-flatpak", EntryValueType::String);
+    return val.isNull();
+}
+
+bool ApplicationService::x_linglong() const noexcept
+{
+    auto val = findEntryValue(DesktopFileEntryKey, "X-linglong", EntryValueType::String);
+    return val.isNull();
+}
+
+qulonglong ApplicationService::installedTime() const noexcept
+{
+    return m_desktopSource.createTime();
+}
+
 qulonglong ApplicationService::lastLaunchedTime() const noexcept
 {
     return m_lastLaunch;
diff --git a/src/dbus/applicationservice.h b/src/dbus/applicationservice.h
index 0e3b98e..b4e991b 100644
--- a/src/dbus/applicationservice.h
+++ b/src/dbus/applicationservice.h
@@ -60,6 +60,15 @@ public:
     Q_PROPERTY(QList<QDBusObjectPath> Instances READ instances)
     [[nodiscard]] QList<QDBusObjectPath> instances() const noexcept;
 
+    Q_PROPERTY(bool X_Flatpak READ x_Flatpak)
+    [[nodiscard]] bool x_Flatpak() const noexcept;
+
+    Q_PROPERTY(bool X_linglong READ x_linglong)
+    [[nodiscard]] bool x_linglong() const noexcept;
+
+    Q_PROPERTY(qulonglong installedTime READ installedTime)
+    [[nodiscard]] qulonglong installedTime() const noexcept;
+
     [[nodiscard]] QDBusObjectPath findInstance(const QString &instanceId) const;
 
     [[nodiscard]] const QString &getLauncher() const noexcept { return m_launcher; }
diff --git a/src/desktopentry.cpp b/src/desktopentry.cpp
index bd3e332..6826023 100644
--- a/src/desktopentry.cpp
+++ b/src/desktopentry.cpp
@@ -259,12 +259,12 @@ bool DesktopEntry::checkMainEntryValidation() const noexcept
 
 std::optional<DesktopFile> DesktopFile::createTemporaryDesktopFile(std::unique_ptr<QFile> temporaryFile) noexcept
 {
-    auto mtime = getFileModifiedTime(*temporaryFile);
+    auto [ctime, mtime, _] = getFileTimeInfo(*temporaryFile);
     if (mtime == 0) {
         qWarning() << "create temporary file failed.";
         return std::nullopt;
     }
-    return DesktopFile{std::move(temporaryFile), "", mtime};
+    return DesktopFile{std::move(temporaryFile), "", mtime, ctime};
 }
 
 std::optional<DesktopFile> DesktopFile::createTemporaryDesktopFile(const QString &temporaryFile) noexcept
@@ -330,7 +330,7 @@ std::optional<DesktopFile> DesktopFile::searchDesktopFileByPath(const QString &d
 
     auto filePtr = std::make_unique<QFile>(std::move(path));
 
-    auto mtime = getFileModifiedTime(*filePtr);
+    auto [ctime, mtime, _] = getFileTimeInfo(*filePtr);
 
     if (mtime == 0) {
         err = DesktopErrorCode::OpenFailed;
@@ -338,7 +338,7 @@ std::optional<DesktopFile> DesktopFile::searchDesktopFileByPath(const QString &d
     }
 
     err = DesktopErrorCode::NoError;
-    return DesktopFile{std::move(filePtr), std::move(id), mtime};
+    return DesktopFile{std::move(filePtr), std::move(id), mtime, ctime};
 }
 
 std::optional<DesktopFile> DesktopFile::searchDesktopFileById(const QString &appId, DesktopErrorCode &err) noexcept
diff --git a/src/desktopentry.h b/src/desktopentry.h
index b7ca1d3..ce8b564 100644
--- a/src/desktopentry.h
+++ b/src/desktopentry.h
@@ -48,6 +48,7 @@ struct DesktopFile
     [[nodiscard]] QFile &sourceFileRef() const noexcept { return *m_fileSource; };
     [[nodiscard]] const QString &desktopId() const noexcept { return m_desktopId; }
     [[nodiscard]] bool modified(std::size_t time) const noexcept;
+    [[nodiscard]] std::size_t createTime() const noexcept { return m_ctime; }
 
     static std::optional<DesktopFile> searchDesktopFileById(const QString &appId, DesktopErrorCode &err) noexcept;
     static std::optional<DesktopFile> searchDesktopFileByPath(const QString &desktopFilePath, DesktopErrorCode &err) noexcept;
@@ -55,14 +56,16 @@ struct DesktopFile
     static std::optional<DesktopFile> createTemporaryDesktopFile(std::unique_ptr<QFile> temporaryFile) noexcept;
 
 private:
-    DesktopFile(std::unique_ptr<QFile> source, QString fileId, std::size_t mtime)
+    DesktopFile(std::unique_ptr<QFile> source, QString fileId, std::size_t mtime, std::size_t ctime)
         : m_mtime(mtime)
+        , m_ctime(ctime)
         , m_fileSource(std::move(source))
         , m_desktopId(std::move(fileId))
     {
     }
 
     std::size_t m_mtime;
+    std::size_t m_ctime;
     std::unique_ptr<QFile> m_fileSource{nullptr};
     QString m_desktopId{""};
 };
diff --git a/src/global.h b/src/global.h
index eef5643..0dedb0b 100644
--- a/src/global.h
+++ b/src/global.h
@@ -467,7 +467,7 @@ ObjectMap dumpDBusObject(const QMap<QDBusObjectPath, QSharedPointer<T>> &map)
     return objs;
 }
 
-inline std::size_t getFileModifiedTime(QFile &file)
+inline std::tuple<std::size_t, std::size_t, std::size_t> getFileTimeInfo(QFile &file)
 {
     struct stat buf;
     QFileInfo info{file};
@@ -475,17 +475,22 @@ inline std::size_t getFileModifiedTime(QFile &file)
     if (!file.isOpen()) {
         if (auto ret = file.open(QFile::ExistingOnly | QFile::ReadOnly | QFile::Text); !ret) {
             qWarning() << "open file" << info.absoluteFilePath() << "failed.";
-            return 0;
+            return std::make_tuple(0, 0, 0);
         }
     }
 
     if (auto ret = stat(info.absoluteFilePath().toLocal8Bit().data(), &buf); ret == -1) {
         qWarning() << "get file" << info.absoluteFilePath() << "state failed:" << std::strerror(errno);
-        return 0;
+        return std::make_tuple(0, 0, 0);
     }
 
     constexpr std::size_t secToNano = 1e9;
-    return buf.st_mtim.tv_sec * secToNano + buf.st_mtim.tv_nsec;
+
+    auto mtime = buf.st_mtim.tv_sec * secToNano + buf.st_mtim.tv_nsec;
+    auto ctime = buf.st_ctim.tv_sec * secToNano + buf.st_ctim.tv_nsec;
+    auto atime = buf.st_atim.tv_sec * secToNano + buf.st_atim.tv_nsec;
+
+    return std::make_tuple(ctime, mtime, atime);
 }
 
 #endif
diff --git a/tests/ut_applicationmanager.cpp b/tests/ut_applicationmanager.cpp
index ef352e7..c917bf0 100644
--- a/tests/ut_applicationmanager.cpp
+++ b/tests/ut_applicationmanager.cpp
@@ -36,7 +36,7 @@ public:
 
         m_am = new ApplicationManager1Service{std::make_unique<CGroupsIdentifier>(), bus.globalServerBus()};
         auto ptr = std::make_unique<QFile>(QString{"/usr/share/applications/test-Application.desktop"});
-        DesktopFile file{std::move(ptr), "test-Application", 0};
+        DesktopFile file{std::move(ptr), "test-Application", 0, 0};
         QSharedPointer<ApplicationService> app = QSharedPointer<ApplicationService>::create(std::move(file), nullptr);
         QSharedPointer<InstanceService> instance =
             QSharedPointer<InstanceService>::create(InstancePath.path().split('/').last(), ApplicationPath.path(), QString{"/"});