diff --git a/pkg/plugin/client/http2http.go b/pkg/plugin/client/http2http.go
index 2ff837e8..689b90b6 100644
--- a/pkg/plugin/client/http2http.go
+++ b/pkg/plugin/client/http2http.go
@@ -1,9 +1,22 @@
-// Package plugin contains various client plugins for frp
+// Copyright 2024 The frp 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
+//
+//     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.
+
 package plugin
 
 import (
 	"io"
-    stdlog "log"
+	stdlog "log"
 	"net"
 	"net/http"
 	"net/http/httputil"