diff --git a/runtime/bin/separate_main.cc b/runtime/bin/separate_main.cc
index 5fc3b39..bd033e8 100644
--- a/runtime/bin/separate_main.cc
+++ b/runtime/bin/separate_main.cc
@@ -1,3 +1,17 @@
+// Copyright (c) 2024 wesep team. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include <fstream>
 #include <iostream>
 #include <string>
diff --git a/runtime/separate/separate_engine.cc b/runtime/separate/separate_engine.cc
index 962b60d..189b83a 100644
--- a/runtime/separate/separate_engine.cc
+++ b/runtime/separate/separate_engine.cc
@@ -1,7 +1,26 @@
-
+// Copyright (c) 2024 wesep team. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #include "separate/separate_engine.h"
 
+#include <algorithm>
+#include <functional>
+#include <memory>
+#include <string>
+#include <utility>
+#include <vector>
+
 #include "gflags/gflags.h"
 #include "glog/logging.h"
 #include "torch/script.h"
diff --git a/runtime/separate/separate_engine.h b/runtime/separate/separate_engine.h
index b7e876b..75c052f 100644
--- a/runtime/separate/separate_engine.h
+++ b/runtime/separate/separate_engine.h
@@ -1,7 +1,24 @@
+// Copyright (c) 2024 wesep team. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #ifndef SEPARATE_SEPARATE_ENGINE_H_
 #define SEPARATE_SEPARATE_ENGINE_H_
 
+#include <memory>
+#include <string>
+#include <vector>
+
 #include "torch/script.h"
 #include "torch/torch.h"