diff --git a/internal/infra/infra.go b/internal/infra/infra.go
index 01316019..1899f278 100644
--- a/internal/infra/infra.go
+++ b/internal/infra/infra.go
@@ -1,3 +1,7 @@
+// Copyright 2025 ROC. All rights reserved.
+// Use of this source code is governed by a MIT style
+// license that can be found in the LICENSE file.
+
 // Package infra infrastructure components.
 
 package infra
diff --git a/internal/model/enum/enum.go b/internal/model/enum/enum.go
index 95b2c4f4..3daebe15 100644
--- a/internal/model/enum/enum.go
+++ b/internal/model/enum/enum.go
@@ -1,3 +1,7 @@
+// Copyright 2025 ROC. All rights reserved.
+// Use of this source code is governed by a MIT style
+// license that can be found in the LICENSE file.
+
 // Package enum all const enum variables define.
 
 package enum