diff --git a/time/ukui-appwidget-time-service/main.cpp b/time/ukui-appwidget-time-service/main.cpp
index 5eefb90..8da927a 100644
--- a/time/ukui-appwidget-time-service/main.cpp
+++ b/time/ukui-appwidget-time-service/main.cpp
@@ -1,3 +1,25 @@
+/*
+ * ukui-system-appwidget's Library
+ *
+ * Copyright (C) 2023, KylinSoft Co., Ltd.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: wangyan <wangyan@kylinos.cn>
+ *
+ */
+
 #include <QCoreApplication>
 #include <timeprovider.h>
 int main(int argc, char *argv[])
diff --git a/time/ukui-appwidget-time-service/timeprovider.cpp b/time/ukui-appwidget-time-service/timeprovider.cpp
index da7651f..09bfd56 100644
--- a/time/ukui-appwidget-time-service/timeprovider.cpp
+++ b/time/ukui-appwidget-time-service/timeprovider.cpp
@@ -1,3 +1,25 @@
+/*
+ * ukui-system-appwidget's Library
+ *
+ * Copyright (C) 2023, KylinSoft Co., Ltd.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: wangyan <wangyan@kylinos.cn>
+ *
+ */
+
 #include "timeprovider.h"
 
 TimeProvider::TimeProvider(QString providername, QObject *parent)
diff --git a/time/ukui-appwidget-time-service/timeprovider.h b/time/ukui-appwidget-time-service/timeprovider.h
index a5011da..641a3d4 100644
--- a/time/ukui-appwidget-time-service/timeprovider.h
+++ b/time/ukui-appwidget-time-service/timeprovider.h
@@ -1,3 +1,25 @@
+/*
+ * ukui-system-appwidget's Library
+ *
+ * Copyright (C) 2023, KylinSoft Co., Ltd.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: wangyan <wangyan@kylinos.cn>
+ *
+ */
+
 #ifndef TIMEPROVIDER_H
 #define TIMEPROVIDER_H
 #include <ukui/kappwidgetprovider.h>
diff --git a/time/ukui-appwidget-time/data/time.qml b/time/ukui-appwidget-time/data/time.qml
index b9507f8..6eb4465 100644
--- a/time/ukui-appwidget-time/data/time.qml
+++ b/time/ukui-appwidget-time/data/time.qml
@@ -1,3 +1,25 @@
+/*
+ * ukui-system-appwidget's Library
+ *
+ * Copyright (C) 2023, KylinSoft Co., Ltd.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: wangyan <wangyan@kylinos.cn>
+ *
+ */
+
 import QtQuick 2.0
 import QtQml 2.12
 import QtQuick.Layouts 1.12
diff --git a/time/ukui-appwidget-time/main.cpp b/time/ukui-appwidget-time/main.cpp
index db8d3b8..c86423d 100644
--- a/time/ukui-appwidget-time/main.cpp
+++ b/time/ukui-appwidget-time/main.cpp
@@ -1,3 +1,25 @@
+/*
+ * ukui-system-appwidget's Library
+ *
+ * Copyright (C) 2023, KylinSoft Co., Ltd.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: wangyan <wangyan@kylinos.cn>
+ *
+ */
+
 #include <QGuiApplication>
 #include <QQmlApplicationEngine>