diff --git a/demos/speaker_verification/README.md b/demos/speaker_verification/README.md
index c289e8f4..c4d10ccf 100644
--- a/demos/speaker_verification/README.md
+++ b/demos/speaker_verification/README.md
@@ -34,13 +34,13 @@ wget -c https://paddlespeech.bj.bcebos.com/vector/audio/85236145389.wav
   
   Usage:
   ```bash
-  paddlespeech asr --help
+  paddlespeech vector --help
   ```
   Arguments:
   - `input`(required): Audio file to recognize.
-  - `model`: Model type of asr task. Default: `conformer_wenetspeech`.
+  - `model`: Model type of vector task. Default: `ecapatdnn_voxceleb12`.
   - `sample_rate`: Sample rate of the model. Default: `16000`.
-  - `config`: Config of asr task. Use pretrained model when it is None. Default: `None`.
+  - `config`: Config of vector task. Use pretrained model when it is None. Default: `None`.
   - `ckpt_path`: Model checkpoint. Use pretrained model when it is None. Default: `None`.
   - `device`: Choose device to execute model inference. Default: default device of paddlepaddle in current environment.
 
diff --git a/demos/speaker_verification/README_cn.md b/demos/speaker_verification/README_cn.md
index b4e5ca65..e2799b75 100644
--- a/demos/speaker_verification/README_cn.md
+++ b/demos/speaker_verification/README_cn.md
@@ -33,7 +33,7 @@ wget -c https://paddlespeech.bj.bcebos.com/vector/audio/85236145389.wav
   
   使用方法：
   ```bash
-  paddlespeech asr --help
+  paddlespeech vector --help
   ```
   参数：
   - `input`(必须输入)：用于识别的音频文件。
diff --git a/paddlespeech/vector/cluster/__init__.py b/paddlespeech/vector/cluster/__init__.py
new file mode 100644
index 00000000..97043fd7
--- /dev/null
+++ b/paddlespeech/vector/cluster/__init__.py
@@ -0,0 +1,13 @@
+# Copyright (c) 2022 PaddlePaddle Authors. 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.
diff --git a/paddlespeech/vector/io/__init__.py b/paddlespeech/vector/io/__init__.py
new file mode 100644
index 00000000..97043fd7
--- /dev/null
+++ b/paddlespeech/vector/io/__init__.py
@@ -0,0 +1,13 @@
+# Copyright (c) 2022 PaddlePaddle Authors. 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.
diff --git a/paddlespeech/vector/modules/__init__.py b/paddlespeech/vector/modules/__init__.py
new file mode 100644
index 00000000..97043fd7
--- /dev/null
+++ b/paddlespeech/vector/modules/__init__.py
@@ -0,0 +1,13 @@
+# Copyright (c) 2022 PaddlePaddle Authors. 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.
diff --git a/paddlespeech/vector/training/__init__.py b/paddlespeech/vector/training/__init__.py
new file mode 100644
index 00000000..97043fd7
--- /dev/null
+++ b/paddlespeech/vector/training/__init__.py
@@ -0,0 +1,13 @@
+# Copyright (c) 2022 PaddlePaddle Authors. 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.
diff --git a/paddlespeech/vector/utils/__init__.py b/paddlespeech/vector/utils/__init__.py
new file mode 100644
index 00000000..97043fd7
--- /dev/null
+++ b/paddlespeech/vector/utils/__init__.py
@@ -0,0 +1,13 @@
+# Copyright (c) 2022 PaddlePaddle Authors. 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.