fix license header
diff --git a/dubbo-samples-triple/pom.xml b/dubbo-samples-triple/pom.xml
index a1c05d0..3b8cfd6 100644
--- a/dubbo-samples-triple/pom.xml
+++ b/dubbo-samples-triple/pom.xml
@@ -111,7 +111,7 @@
<version>0.6.1</version>
<configuration>
<protocArtifact>com.google.protobuf:protoc:3.7.1:exe:${os.detected.classifier}</protocArtifact>
- <pluginId>grpc-java</pluginId>
+ <pluginId>triple-java</pluginId>
<outputDirectory>build/generated/source/proto/main/java</outputDirectory>
</configuration>
<executions>
diff --git a/dubbo-samples-triple/src/main/proto/helloworld.proto b/dubbo-samples-triple/src/main/proto/helloworld.proto
index 2e5b31c..772ba99 100644
--- a/dubbo-samples-triple/src/main/proto/helloworld.proto
+++ b/dubbo-samples-triple/src/main/proto/helloworld.proto
@@ -1,5 +1,3 @@
-// Copyright 2015 The gRPC Authors
-//
// 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
