diff --git a/api/apps/memories_app.py b/api/apps/memories_app.py
index 425d44b96..2165980cf 100644
--- a/api/apps/memories_app.py
+++ b/api/apps/memories_app.py
@@ -1,5 +1,5 @@
 #
-#  Copyright 2024 The InfiniFlow Authors. All Rights Reserved.
+#  Copyright 2025 The InfiniFlow 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.
diff --git a/api/db/services/memory_service.py b/api/db/services/memory_service.py
index 8436bf689..bc071a66f 100644
--- a/api/db/services/memory_service.py
+++ b/api/db/services/memory_service.py
@@ -1,5 +1,5 @@
 #
-#  Copyright 2024 The InfiniFlow Authors. All Rights Reserved.
+#  Copyright 2025 The InfiniFlow 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.
diff --git a/api/utils/memory_utils.py b/api/utils/memory_utils.py
index b8b6c2397..bb7894951 100644
--- a/api/utils/memory_utils.py
+++ b/api/utils/memory_utils.py
@@ -1,5 +1,5 @@
 #
-#  Copyright 2024 The InfiniFlow Authors. All Rights Reserved.
+#  Copyright 2025 The InfiniFlow 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.
diff --git a/test/testcases/configs.py b/test/testcases/configs.py
index 9dcbd779c..a94a627b7 100644
--- a/test/testcases/configs.py
+++ b/test/testcases/configs.py
@@ -19,7 +19,7 @@ import pytest
 
 HOST_ADDRESS = os.getenv("HOST_ADDRESS", "http://127.0.0.1:9380")
 VERSION = "v1"
-ZHIPU_AI_API_KEY = os.getenv("ZHIPU_AI_API_KEY", "")
+ZHIPU_AI_API_KEY = os.getenv("ZHIPU_AI_API_KEY")
 if ZHIPU_AI_API_KEY is None:
     pytest.exit("Error: Environment variable ZHIPU_AI_API_KEY must be set")