diff --git a/internal/indexcoord/garbage_collector.go b/internal/indexcoord/garbage_collector.go
index e5c637f720..c475ab0ae6 100644
--- a/internal/indexcoord/garbage_collector.go
+++ b/internal/indexcoord/garbage_collector.go
@@ -1,3 +1,19 @@
+// Licensed to the LF AI & Data foundation 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.
+
 package indexcoord
 
 import (
diff --git a/internal/indexcoord/garbage_collector_test.go b/internal/indexcoord/garbage_collector_test.go
index f685a5bbe9..c5b4a1f496 100644
--- a/internal/indexcoord/garbage_collector_test.go
+++ b/internal/indexcoord/garbage_collector_test.go
@@ -1,3 +1,19 @@
+// Licensed to the LF AI & Data foundation 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.
+
 package indexcoord
 
 import (
@@ -8,7 +24,6 @@ import (
 	"time"
 
 	"github.com/milvus-io/milvus/internal/proto/commonpb"
-
 	"github.com/milvus-io/milvus/internal/proto/indexpb"
 )
 
diff --git a/internal/indexcoord/index_builder.go b/internal/indexcoord/index_builder.go
index 5408d77324..eb24f0efcf 100644
--- a/internal/indexcoord/index_builder.go
+++ b/internal/indexcoord/index_builder.go
@@ -1,3 +1,19 @@
+// Licensed to the LF AI & Data foundation 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.
+
 package indexcoord
 
 import (
diff --git a/internal/indexcoord/index_builder_test.go b/internal/indexcoord/index_builder_test.go
index 0160d2175e..52911b02fe 100644
--- a/internal/indexcoord/index_builder_test.go
+++ b/internal/indexcoord/index_builder_test.go
@@ -1,3 +1,19 @@
+// Licensed to the LF AI & Data foundation 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.
+
 package indexcoord
 
 import (
@@ -6,15 +22,12 @@ import (
 	"testing"
 	"time"
 
-	clientv3 "go.etcd.io/etcd/client/v3"
-
 	"github.com/milvus-io/milvus/internal/indexnode"
-	"github.com/milvus-io/milvus/internal/types"
-
 	"github.com/milvus-io/milvus/internal/proto/commonpb"
 	"github.com/milvus-io/milvus/internal/proto/indexpb"
-
+	"github.com/milvus-io/milvus/internal/types"
 	"github.com/stretchr/testify/assert"
+	clientv3 "go.etcd.io/etcd/client/v3"
 )
 
 func createMetaTable() *metaTable {
diff --git a/internal/indexcoord/task_state.go b/internal/indexcoord/task_state.go
index 1d17ee6e6e..5a11d02530 100644
--- a/internal/indexcoord/task_state.go
+++ b/internal/indexcoord/task_state.go
@@ -1,3 +1,19 @@
+// Licensed to the LF AI & Data foundation 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.
+
 package indexcoord
 
 type indexTaskState int32