diff --git a/include/global/dsysinfo.h b/include/global/dsysinfo.h
index 24293b8..89eacf9 100644
--- a/include/global/dsysinfo.h
+++ b/include/global/dsysinfo.h
@@ -60,6 +60,7 @@ class LIBDTKCORESHARED_EXPORT DSysInfo
         UosDesktop,
         UosServer,
         UosDevice,
+        UosSmart,
 
         UosTypeCount // must at last
     };
diff --git a/include/util/dutil.h b/include/util/dutil.h
index 999827b..4353b85 100644
--- a/include/util/dutil.h
+++ b/include/util/dutil.h
@@ -96,7 +96,7 @@ inline QString getAppIdFromAbsolutePath(const QString &path)
         return {};
     }
 
-    auto tmp = path.chopped(desktopSuffix.size() - 1);
+    auto tmp = path.chopped(desktopSuffix.size());
     auto components = tmp.split(QDir::separator(), Qt::SkipEmptyParts);
     auto location = std::find(components.cbegin(), components.cend(), "applications");
     if (location == components.cend()) {
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 6b147a6..b987702 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -67,9 +67,7 @@ if(LINUX)
     Dtk${DTK_VERSION_MAJOR}::Log
   )
   target_link_libraries(${LIB_NAME} PRIVATE
-    ICU::uc
     Qt${QT_VERSION_MAJOR}::CorePrivate
-    uchardet
   )
   if("${QT_VERSION_MAJOR}" STREQUAL "5")
     target_link_libraries(${LIB_NAME} PRIVATE
@@ -93,9 +91,7 @@ else()
     Qt${QT_VERSION_MAJOR}::Xml
   )
   target_link_libraries(${LIB_NAME} PRIVATE
-    ICU::uc
     Qt${QT_VERSION_MAJOR}::CorePrivate
-    uchardet
   )
   if("${QT_VERSION_MAJOR}" STREQUAL "5")
     target_link_libraries(${LIB_NAME} PRIVATE
diff --git a/src/util/ddbusinterface.cpp b/src/util/ddbusinterface.cpp
index b761130..73cb304 100644
--- a/src/util/ddbusinterface.cpp
+++ b/src/util/ddbusinterface.cpp
@@ -114,16 +114,16 @@ void DDBusInterfacePrivate::updateProp(const char *propName, const QVariant &val
 #endif
     }
     QByteArray baSignal = QStringLiteral("%1Changed(%2)").arg(propName).arg(typeName).toLatin1();
-    QByteArray baSignalName = QStringLiteral("%1Changed").arg(propName).toLatin1();
-    const char *signal = baSignal.data();
-    const char *signalName = baSignalName.data();
-    int i = metaObj->indexOfSignal(signal);
+    int i = metaObj->indexOfSignal(baSignal.data());
     if (i != -1) {
-        QMetaObject::invokeMethod(m_parent, signalName, Qt::DirectConnection, QGenericArgument(typeName, data));
+        auto method = metaObj->method(i);
+        if (method.parameterCount() == 1) {
+            method.invoke(m_parent, Qt::DirectConnection, QGenericArgument(method.parameterTypes().first(), data));
+        } else {
+            method.invoke(m_parent, Qt::DirectConnection);
+        }
     } else {
-        qDebug() << "It's not exist the property:[" << propName <<"] for parent:" << m_parent
-                 << ", interface:" << q_ptr->interface()
-                 << ", and It's changed value is:" << value;
+        qDebug() << "It's not exist the property:[" << propName << "] for parent:" << m_parent << ", interface:" << q_ptr->interface() << ", and It's changed value is:" << value;
     }
 }