diff --git a/gio-qt/qt5.cmake b/gio-qt/qt5.cmake
index 30ddaae..f5c986e 100644
--- a/gio-qt/qt5.cmake
+++ b/gio-qt/qt5.cmake
@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2024 UnionTech Software Technology Co., Ltd.
+#
+# SPDX-License-Identifier: CC0-1.0
+
 # Find the QtWidgets library
 find_package(Qt5 ${QT_MINIMUM_VERSION} CONFIG REQUIRED Core)
 
diff --git a/gio-qt/qt6.cmake b/gio-qt/qt6.cmake
index 838bb95..c8e2067 100644
--- a/gio-qt/qt6.cmake
+++ b/gio-qt/qt6.cmake
@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2024 UnionTech Software Technology Co., Ltd.
+#
+# SPDX-License-Identifier: CC0-1.0
+
 # Find the QtWidgets library
 find_package(Qt6 REQUIRED COMPONENTS Core)
 
diff --git a/qgio-tools/qt5.cmake b/qgio-tools/qt5.cmake
index bcf54b7..9517ad9 100644
--- a/qgio-tools/qt5.cmake
+++ b/qgio-tools/qt5.cmake
@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2024 UnionTech Software Technology Co., Ltd.
+#
+# SPDX-License-Identifier: CC0-1.0
+
 add_executable (qgio-tools main.cpp)
 
 target_link_libraries (qgio-tools gio-qt_qt5)
diff --git a/qgio-tools/qt6.cmake b/qgio-tools/qt6.cmake
index 8bd65eb..f70966a 100644
--- a/qgio-tools/qt6.cmake
+++ b/qgio-tools/qt6.cmake
@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2024 UnionTech Software Technology Co., Ltd.
+#
+# SPDX-License-Identifier: CC0-1.0
+
 add_executable(qgio-tools-qt6 main.cpp)
 
 target_link_libraries(qgio-tools-qt6 gio-qt_qt6)