diff --git a/tests/benchmarks/test_datasets_benchmarks.py b/tests/benchmarks/test_datasets_benchmarks.py
index 75d3451b3b..b1bf411610 100644
--- a/tests/benchmarks/test_datasets_benchmarks.py
+++ b/tests/benchmarks/test_datasets_benchmarks.py
@@ -1,3 +1,17 @@
+# Copyright (c) 2025  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.
+
 import io
 import json
 from argparse import ArgumentParser, Namespace
diff --git a/tests/cache_manager/test_cache_transfer_manager.py b/tests/cache_manager/test_cache_transfer_manager.py
index f09fc60332..4ae8249502 100644
--- a/tests/cache_manager/test_cache_transfer_manager.py
+++ b/tests/cache_manager/test_cache_transfer_manager.py
@@ -1,3 +1,17 @@
+# Copyright (c) 2025  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.
+
 import time
 import unittest
 from unittest.mock import MagicMock, patch
diff --git a/tests/ci_use/EB_Lite_with_adapter/zmq_client.py b/tests/ci_use/EB_Lite_with_adapter/zmq_client.py
index a10d5095c1..3bc94908e3 100644
--- a/tests/ci_use/EB_Lite_with_adapter/zmq_client.py
+++ b/tests/ci_use/EB_Lite_with_adapter/zmq_client.py
@@ -1,3 +1,17 @@
+# Copyright (c) 2025  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.
+
 import threading
 import time
 import uuid
diff --git a/tests/ci_use/XPU_45T/run_ep.py b/tests/ci_use/XPU_45T/run_ep.py
index f375f081d2..a1ced5c2dc 100644
--- a/tests/ci_use/XPU_45T/run_ep.py
+++ b/tests/ci_use/XPU_45T/run_ep.py
@@ -1,3 +1,17 @@
+# Copyright (c) 2025  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.
+
 import os
 
 import psutil
diff --git a/tests/ci_use/iluvatar_UT/run_ernie300B_4layer.py b/tests/ci_use/iluvatar_UT/run_ernie300B_4layer.py
index 2fb33d74b7..0ffa39b1c5 100644
--- a/tests/ci_use/iluvatar_UT/run_ernie300B_4layer.py
+++ b/tests/ci_use/iluvatar_UT/run_ernie300B_4layer.py
@@ -1,3 +1,17 @@
+# Copyright (c) 2025  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.
+
 import functools
 import sys
 import threading
diff --git a/tests/ci_use/iluvatar_UT/run_ernie_vl_28B.py b/tests/ci_use/iluvatar_UT/run_ernie_vl_28B.py
index 2fd6fee0ad..d0da1ae72f 100644
--- a/tests/ci_use/iluvatar_UT/run_ernie_vl_28B.py
+++ b/tests/ci_use/iluvatar_UT/run_ernie_vl_28B.py
@@ -1,3 +1,17 @@
+# Copyright (c) 2025  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.
+
 import functools
 import io
 import sys
diff --git a/tests/ci_use/metrics/test_metrics.py b/tests/ci_use/metrics/test_metrics.py
index a3f2e14fa9..11f4e31e34 100644
--- a/tests/ci_use/metrics/test_metrics.py
+++ b/tests/ci_use/metrics/test_metrics.py
@@ -1,3 +1,17 @@
+# Copyright (c) 2025  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.
+
 import asyncio
 import os
 import shutil
diff --git a/tests/entrypoints/cli/test_collect_env_conmmand.py b/tests/entrypoints/cli/test_collect_env_conmmand.py
index f71184ea12..686600762f 100644
--- a/tests/entrypoints/cli/test_collect_env_conmmand.py
+++ b/tests/entrypoints/cli/test_collect_env_conmmand.py
@@ -1,3 +1,17 @@
+# Copyright (c) 2025  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.
+
 import unittest
 from argparse import Namespace, _SubParsersAction
 from unittest.mock import MagicMock, patch
diff --git a/tests/entrypoints/cli/test_collect_env_script.py b/tests/entrypoints/cli/test_collect_env_script.py
index 68355a3d2b..ef70af6671 100644
--- a/tests/entrypoints/cli/test_collect_env_script.py
+++ b/tests/entrypoints/cli/test_collect_env_script.py
@@ -1,3 +1,17 @@
+# Copyright (c) 2025  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.
+
 import io
 import os
 import sys
diff --git a/tests/entrypoints/cli/test_main.py b/tests/entrypoints/cli/test_main.py
index 787d3d035d..8faf331d03 100644
--- a/tests/entrypoints/cli/test_main.py
+++ b/tests/entrypoints/cli/test_main.py
@@ -1,3 +1,17 @@
+# Copyright (c) 2025  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.
+
 import unittest
 from unittest.mock import MagicMock, patch
 
diff --git a/tests/entrypoints/cli/test_openai.py b/tests/entrypoints/cli/test_openai.py
index 81cf79b2cb..07ff121b72 100644
--- a/tests/entrypoints/cli/test_openai.py
+++ b/tests/entrypoints/cli/test_openai.py
@@ -1,3 +1,17 @@
+# Copyright (c) 2025  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.
+
 import argparse
 import signal
 import unittest
diff --git a/tests/entrypoints/cli/test_serve.py b/tests/entrypoints/cli/test_serve.py
index 9c32351839..5d34670ce4 100644
--- a/tests/entrypoints/cli/test_serve.py
+++ b/tests/entrypoints/cli/test_serve.py
@@ -1,3 +1,17 @@
+# Copyright (c) 2025  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.
+
 import argparse
 import unittest
 from unittest.mock import MagicMock, patch
diff --git a/tests/entrypoints/cli/test_tokenizer_cli.py b/tests/entrypoints/cli/test_tokenizer_cli.py
index 0b52d027e9..81b132ea8b 100644
--- a/tests/entrypoints/cli/test_tokenizer_cli.py
+++ b/tests/entrypoints/cli/test_tokenizer_cli.py
@@ -1,3 +1,17 @@
+# Copyright (c) 2025  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.
+
 """
 Test cases for tokenizer CLI
 """
diff --git a/tests/entrypoints/cli/test_types.py b/tests/entrypoints/cli/test_types.py
index 22b0998552..687efb08ea 100644
--- a/tests/entrypoints/cli/test_types.py
+++ b/tests/entrypoints/cli/test_types.py
@@ -1,3 +1,17 @@
+# Copyright (c) 2025  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.
+
 import unittest
 from unittest.mock import MagicMock
 
diff --git a/tests/entrypoints/openai/test_api_authentication.py b/tests/entrypoints/openai/test_api_authentication.py
index 199a45d29e..bb36d0dae0 100644
--- a/tests/entrypoints/openai/test_api_authentication.py
+++ b/tests/entrypoints/openai/test_api_authentication.py
@@ -1,3 +1,19 @@
+"""
+# Copyright (c) 2025 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.
+"""
+
 import asyncio
 import hashlib
 import secrets
diff --git a/tests/entrypoints/openai/test_error_response.py b/tests/entrypoints/openai/test_error_response.py
index 1d00495e80..0e4d84d24b 100644
--- a/tests/entrypoints/openai/test_error_response.py
+++ b/tests/entrypoints/openai/test_error_response.py
@@ -1,3 +1,19 @@
+"""
+# Copyright (c) 2025 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.
+"""
+
 import unittest
 
 from pydantic import ValidationError
diff --git a/tests/entrypoints/openai/test_finish_reason.py b/tests/entrypoints/openai/test_finish_reason.py
index dc7a072f9a..97de288df8 100644
--- a/tests/entrypoints/openai/test_finish_reason.py
+++ b/tests/entrypoints/openai/test_finish_reason.py
@@ -1,3 +1,19 @@
+"""
+# Copyright (c) 2025 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.
+"""
+
 import json
 from typing import Any, Dict, List
 from unittest import IsolatedAsyncioTestCase
diff --git a/tests/entrypoints/openai/test_max_streaming_tokens.py b/tests/entrypoints/openai/test_max_streaming_tokens.py
index 7f661b9e08..19185e92de 100644
--- a/tests/entrypoints/openai/test_max_streaming_tokens.py
+++ b/tests/entrypoints/openai/test_max_streaming_tokens.py
@@ -1,3 +1,19 @@
+"""
+# Copyright (c) 2025 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.
+"""
+
 import json
 import unittest
 from unittest import IsolatedAsyncioTestCase
diff --git a/tests/entrypoints/openai/test_metrics_routes.py b/tests/entrypoints/openai/test_metrics_routes.py
index 94b203612a..8a486987e2 100644
--- a/tests/entrypoints/openai/test_metrics_routes.py
+++ b/tests/entrypoints/openai/test_metrics_routes.py
@@ -1,3 +1,19 @@
+"""
+# Copyright (c) 2025 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.
+"""
+
 """
 Unit tests for metrics routes on the main API port (no --metrics-port set).
 Mimics the patching pattern used by other tests under tests/entrypoints/openai.
diff --git a/tests/entrypoints/openai/test_run_batch.py b/tests/entrypoints/openai/test_run_batch.py
index 83c4ca4313..bea3e4eda3 100644
--- a/tests/entrypoints/openai/test_run_batch.py
+++ b/tests/entrypoints/openai/test_run_batch.py
@@ -1,3 +1,19 @@
+"""
+# Copyright (c) 2025 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.
+"""
+
 import asyncio
 import json
 import os
diff --git a/tests/entrypoints/openai/test_run_batch_proto.py b/tests/entrypoints/openai/test_run_batch_proto.py
index 36311be887..d8b2564702 100644
--- a/tests/entrypoints/openai/test_run_batch_proto.py
+++ b/tests/entrypoints/openai/test_run_batch_proto.py
@@ -1,3 +1,19 @@
+"""
+# Copyright (c) 2025 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.
+"""
+
 import unittest
 
 from pydantic import ValidationError
diff --git a/tests/entrypoints/openai/test_run_batch_subcommand.py b/tests/entrypoints/openai/test_run_batch_subcommand.py
index e3f7db8125..4bf072d464 100644
--- a/tests/entrypoints/openai/test_run_batch_subcommand.py
+++ b/tests/entrypoints/openai/test_run_batch_subcommand.py
@@ -1,3 +1,19 @@
+"""
+# Copyright (c) 2025 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.
+"""
+
 """
 Unit tests for RunBatchSubcommand class.
 """
diff --git a/tests/entrypoints/openai/test_serving_embedding.py b/tests/entrypoints/openai/test_serving_embedding.py
index 05dc822fb9..16f35aa0f4 100644
--- a/tests/entrypoints/openai/test_serving_embedding.py
+++ b/tests/entrypoints/openai/test_serving_embedding.py
@@ -1,3 +1,19 @@
+"""
+# Copyright (c) 2025 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.
+"""
+
 import time
 import unittest
 from unittest.mock import AsyncMock, MagicMock
diff --git a/tests/entrypoints/openai/test_serving_models.py b/tests/entrypoints/openai/test_serving_models.py
index a6b8045081..3747c09b46 100644
--- a/tests/entrypoints/openai/test_serving_models.py
+++ b/tests/entrypoints/openai/test_serving_models.py
@@ -1,3 +1,19 @@
+"""
+# Copyright (c) 2025 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.
+"""
+
 import asyncio
 import unittest
 
diff --git a/tests/entrypoints/openai/test_serving_reward.py b/tests/entrypoints/openai/test_serving_reward.py
index b7832931dd..27e84f8eee 100644
--- a/tests/entrypoints/openai/test_serving_reward.py
+++ b/tests/entrypoints/openai/test_serving_reward.py
@@ -1,3 +1,19 @@
+"""
+# Copyright (c) 2025 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.
+"""
+
 import time
 import unittest
 from unittest.mock import AsyncMock, MagicMock
diff --git a/tests/entrypoints/openai/test_wrap_streaming_generator.py b/tests/entrypoints/openai/test_wrap_streaming_generator.py
index e91fd35bf0..bc8fca03c8 100644
--- a/tests/entrypoints/openai/test_wrap_streaming_generator.py
+++ b/tests/entrypoints/openai/test_wrap_streaming_generator.py
@@ -1,3 +1,19 @@
+"""
+# Copyright (c) 2025 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.
+"""
+
 import time
 from types import SimpleNamespace
 from unittest.mock import MagicMock, patch
diff --git a/tests/entrypoints/test_vllm_run_engine.py b/tests/entrypoints/test_vllm_run_engine.py
index 2648bb3d26..9e98930ed6 100644
--- a/tests/entrypoints/test_vllm_run_engine.py
+++ b/tests/entrypoints/test_vllm_run_engine.py
@@ -1,3 +1,19 @@
+"""
+# Copyright (c) 2025 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.
+"""
+
 import os
 from unittest.mock import MagicMock, patch
 
diff --git a/tests/input/test_ernie4_5_processor.py b/tests/input/test_ernie4_5_processor.py
index 8c7386fef8..6d9c5838fe 100644
--- a/tests/input/test_ernie4_5_processor.py
+++ b/tests/input/test_ernie4_5_processor.py
@@ -1,3 +1,19 @@
+"""
+# Copyright (c) 2025 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.
+"""
+
 import unittest
 from unittest.mock import MagicMock, patch
 
diff --git a/tests/input/test_ernie_processor.py b/tests/input/test_ernie_processor.py
index 2a9dcb23cf..e64f416e31 100644
--- a/tests/input/test_ernie_processor.py
+++ b/tests/input/test_ernie_processor.py
@@ -1,3 +1,19 @@
+"""
+# Copyright (c) 2025 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.
+"""
+
 import unittest
 from unittest.mock import MagicMock, patch
 
diff --git a/tests/input/test_ernie_vl_processor.py b/tests/input/test_ernie_vl_processor.py
index c0286b811c..4f766d3c0b 100644
--- a/tests/input/test_ernie_vl_processor.py
+++ b/tests/input/test_ernie_vl_processor.py
@@ -1,4 +1,20 @@
-import unittest
+"""
+# Copyright (c) 2025 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.
+"""
+
+import unittest
 from unittest.mock import MagicMock, patch
 
 import numpy as np
diff --git a/tests/input/test_paddleocr_vl_processor.py b/tests/input/test_paddleocr_vl_processor.py
index 62b58db265..9a8fbda9fb 100644
--- a/tests/input/test_paddleocr_vl_processor.py
+++ b/tests/input/test_paddleocr_vl_processor.py
@@ -1,3 +1,19 @@
+"""
+# Copyright (c) 2025 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.
+"""
+
 import pickle
 import unittest
 from unittest.mock import ANY, MagicMock, patch
diff --git a/tests/input/test_process_video.py b/tests/input/test_process_video.py
index edabb4a82f..1882a21f63 100644
--- a/tests/input/test_process_video.py
+++ b/tests/input/test_process_video.py
@@ -1,3 +1,19 @@
+"""
+# Copyright (c) 2025 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.
+"""
+
 import io
 import math
 import os
diff --git a/tests/input/test_tokenizer_client.py b/tests/input/test_tokenizer_client.py
index ef180270f8..06804ebade 100644
--- a/tests/input/test_tokenizer_client.py
+++ b/tests/input/test_tokenizer_client.py
@@ -1,3 +1,19 @@
+"""
+# Copyright (c) 2025 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.
+"""
+
 import httpx
 import pytest
 import respx
diff --git a/tests/layers/test_guided_decoding.py b/tests/layers/test_guided_decoding.py
index 964ad1dc02..04428d62f5 100644
--- a/tests/layers/test_guided_decoding.py
+++ b/tests/layers/test_guided_decoding.py
@@ -1,3 +1,19 @@
+"""
+# Copyright (c) 2025 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.
+"""
+
 """
 测试GuidedDecoding类的单元测试
 """
diff --git a/tests/layers/test_w4a8_moe.py b/tests/layers/test_w4a8_moe.py
index f20c27b06b..b130cd9477 100644
--- a/tests/layers/test_w4a8_moe.py
+++ b/tests/layers/test_w4a8_moe.py
@@ -1,3 +1,19 @@
+"""
+# Copyright (c) 2025 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.
+"""
+
 import json
 import os
 import shutil
diff --git a/tests/metrics/test_metrics_middleware.py b/tests/metrics/test_metrics_middleware.py
index 3ee8d31889..27af6ff22f 100644
--- a/tests/metrics/test_metrics_middleware.py
+++ b/tests/metrics/test_metrics_middleware.py
@@ -1,3 +1,19 @@
+"""
+# Copyright (c) 2025 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.
+"""
+
 import asyncio
 from unittest.mock import AsyncMock, MagicMock, patch
 
diff --git a/tests/metrics/test_prometheus_multiprocess_setup.py b/tests/metrics/test_prometheus_multiprocess_setup.py
index d3704050c8..f2341a68f0 100644
--- a/tests/metrics/test_prometheus_multiprocess_setup.py
+++ b/tests/metrics/test_prometheus_multiprocess_setup.py
@@ -1,3 +1,19 @@
+"""
+# Copyright (c) 2025 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.
+"""
+
 import os
 import shutil
 from unittest.mock import patch
diff --git a/tests/model_executor/ops/triton_ops/test_triton_utils.py b/tests/model_executor/ops/triton_ops/test_triton_utils.py
index aecd2ae573..6d9d9f737a 100644
--- a/tests/model_executor/ops/triton_ops/test_triton_utils.py
+++ b/tests/model_executor/ops/triton_ops/test_triton_utils.py
@@ -1,3 +1,19 @@
+"""
+# Copyright (c) 2025 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.
+"""
+
 import os
 import sys
 import unittest
diff --git a/tests/model_executor/ops/triton_ops/test_triton_utils_v2.py b/tests/model_executor/ops/triton_ops/test_triton_utils_v2.py
index c9cf256810..e2a3e09aff 100644
--- a/tests/model_executor/ops/triton_ops/test_triton_utils_v2.py
+++ b/tests/model_executor/ops/triton_ops/test_triton_utils_v2.py
@@ -1,3 +1,19 @@
+"""
+# Copyright (c) 2025 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.
+"""
+
 import unittest
 from unittest.mock import MagicMock, patch
 
diff --git a/tests/model_executor/test_tensor_wise_fp8.py b/tests/quantization/test_tensor_wise_fp8.py
similarity index 100%
rename from tests/model_executor/test_tensor_wise_fp8.py
rename to tests/quantization/test_tensor_wise_fp8.py
diff --git a/tests/v1/test_resource_manager_v1.py b/tests/v1/test_resource_manager_v1.py
index 038a18b403..4825072c42 100644
--- a/tests/v1/test_resource_manager_v1.py
+++ b/tests/v1/test_resource_manager_v1.py
@@ -1,3 +1,19 @@
+"""
+# Copyright (c) 2025 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.
+"""
+
 import concurrent.futures
 import pickle
 import unittest
diff --git a/tests/worker/test_worker_eplb.py b/tests/worker/test_worker_eplb.py
new file mode 100644
index 0000000000..868f7bd6e8
--- /dev/null
+++ b/tests/worker/test_worker_eplb.py
@@ -0,0 +1,93 @@
+# Copyright (c) 2025 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.
+
+import unittest
+
+import numpy as np
+
+from fastdeploy.worker import eplb
+
+
+class TestRebalanceExperts(unittest.TestCase):
+    def test_rebalance_experts_shapes_param1(self):
+        self.run_rebalance_shapes(3, 16, 4, 2, 4, 16)
+
+    def test_rebalance_experts_shapes_param2(self):
+        self.run_rebalance_shapes(2, 8, 3, 2, 4, 8)
+
+    def run_rebalance_shapes(self, num_layers, num_experts, num_groups, num_nodes, num_gpus, num_replicas):
+        weight = np.random.randint(1, 10, size=(num_layers, num_experts)).astype(np.float32)
+        phy2log, log2phy, logcnt = eplb.rebalance_experts(
+            weight,
+            num_replicas=num_replicas,
+            num_groups=num_groups,
+            num_nodes=num_nodes,
+            num_gpus=num_gpus,
+        )
+
+        self.assertEqual(phy2log.shape, (num_layers, num_replicas))
+        self.assertEqual(log2phy.shape[0], num_layers)
+        self.assertEqual(log2phy.shape[1], num_experts)
+        self.assertEqual(logcnt.shape, (num_layers, num_experts))
+
+        self.assertTrue((logcnt >= 1).all())
+        self.assertGreaterEqual(phy2log.min(), 0)
+        self.assertLess(phy2log.max(), num_experts)
+
+    def test_rebalance_experts_consistency_small(self):
+        num_layers = 1
+        num_experts = 4
+        num_groups = 4
+        num_nodes = 2
+        num_gpus = 4
+        num_replicas = 4
+
+        weight = np.ones((num_layers, num_experts), dtype=np.float32)
+
+        phy2log, log2phy, logcnt = eplb.rebalance_experts(
+            weight,
+            num_replicas=num_replicas,
+            num_groups=num_groups,
+            num_nodes=num_nodes,
+            num_gpus=num_gpus,
+        )
+
+        for layer in range(num_layers):
+            for phy in range(num_replicas):
+                log_id = phy2log[layer, phy]
+                rank = np.where(log2phy[layer, log_id] == phy)[0]
+                self.assertEqual(len(rank), 1)
+
+
+class TestReplicateExperts(unittest.TestCase):
+    def test_replicate_experts_edge(self):
+        weight = np.ones((1, 4), dtype=np.float32)
+        phy2log, rank, logcnt = eplb.replicate_experts(weight, num_phy=4)
+
+        self.assertTrue((logcnt == 1).all())
+        self.assertEqual(phy2log.shape, (1, 4))
+        self.assertEqual(rank.shape, (1, 4))
+
+
+class TestBalancedPacking(unittest.TestCase):
+    def test_balanced_packing_edge(self):
+        weight = np.array([[5, 3, 2, 1]], dtype=np.float32)
+        pack_index, rank_in_pack = eplb.balanced_packing(weight, num_packs=4)
+
+        self.assertTrue((rank_in_pack == 0).all())
+        self.assertTrue((pack_index == np.arange(4)).all())
+
+
+if __name__ == "__main__":
+    unittest.main()