diff --git a/interpreters/toywasm/include/toywasm_config.h b/interpreters/toywasm/include/toywasm_config.h
index 6b553b518..fd018d13f 100644
--- a/interpreters/toywasm/include/toywasm_config.h
+++ b/interpreters/toywasm/include/toywasm_config.h
@@ -1,3 +1,23 @@
+/****************************************************************************
+ * apps/interpreters/toywasm/include/toywasm_config.h
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you 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.
+ *
+ ****************************************************************************/
+
 #if !defined(_TOYWASM_CONFIG_H)
 #define _TOYWASM_CONFIG_H