diff --git a/sample/vector/__init__.py b/sample/vector/__init__.py
deleted file mode 100644
index e69de29..0000000
diff --git a/tests/integration/vector/test_paginator.py b/tests/integration/vector/test_paginator.py
index 019a47a..cd1d14d 100644
--- a/tests/integration/vector/test_paginator.py
+++ b/tests/integration/vector/test_paginator.py
@@ -1,7 +1,7 @@
 # pylint: skip-file
 
 import alibabacloud_oss_v2.vectors as oss_vectors
-from tests.integration import TestIntegrationVectors, random_bucket_name, random_short_bucket_name
+from .. import TestIntegrationVectors, random_short_bucket_name
 
 class TestPaginatorBasic(TestIntegrationVectors):
     def test_list_vector_buckets_paginator(self):
diff --git a/tests/integration/vector/test_vector_basic_client.py b/tests/integration/vector/test_vector_basic_client.py
index 94970ed..be3c8e7 100644
--- a/tests/integration/vector/test_vector_basic_client.py
+++ b/tests/integration/vector/test_vector_basic_client.py
@@ -2,7 +2,7 @@
 
 from ast import literal_eval
 import alibabacloud_oss_v2.vectors as oss_vectors
-from tests.integration import TestIntegrationVectors, random_short_bucket_name
+from .. import TestIntegrationVectors, random_short_bucket_name
 
 
 class TestVectorBasic(TestIntegrationVectors):
diff --git a/tests/integration/vector/test_vector_bucket_basic_client.py b/tests/integration/vector/test_vector_bucket_basic_client.py
index 0dd0cf0..9213b70 100644
--- a/tests/integration/vector/test_vector_bucket_basic_client.py
+++ b/tests/integration/vector/test_vector_bucket_basic_client.py
@@ -1,7 +1,7 @@
 # pylint: skip-file
 
 import alibabacloud_oss_v2.vectors as oss_vectors
-from tests.integration import TestIntegrationVectors, random_short_bucket_name, REGION, USER_ID
+from .. import TestIntegrationVectors, random_short_bucket_name, REGION, USER_ID
 
 
 class TestVectorBucketBasic(TestIntegrationVectors):
diff --git a/tests/integration/vector/test_vector_bucket_logging_client.py b/tests/integration/vector/test_vector_bucket_logging_client.py
index 90606da..c2aaa91 100644
--- a/tests/integration/vector/test_vector_bucket_logging_client.py
+++ b/tests/integration/vector/test_vector_bucket_logging_client.py
@@ -2,7 +2,7 @@
 
 import alibabacloud_oss_v2 as oss
 import alibabacloud_oss_v2.vectors as oss_vectors
-from tests.integration import TestIntegrationVectors, random_short_bucket_name, random_bucket_name
+from .. import TestIntegrationVectors, random_short_bucket_name, random_bucket_name
 
 
 class TestVectorBucketLogging(TestIntegrationVectors):
diff --git a/tests/integration/vector/test_vector_bucket_policy_client.py b/tests/integration/vector/test_vector_bucket_policy_client.py
index e00fbf6..84bbd18 100644
--- a/tests/integration/vector/test_vector_bucket_policy_client.py
+++ b/tests/integration/vector/test_vector_bucket_policy_client.py
@@ -1,7 +1,7 @@
 # pylint: skip-file
 import time
 import alibabacloud_oss_v2.vectors as oss_vectors
-from tests.integration import TestIntegrationVectors, random_short_bucket_name
+from .. import TestIntegrationVectors, random_short_bucket_name
 
 
 class TestVectorBucketBasic(TestIntegrationVectors):
diff --git a/tests/integration/vector/test_vector_index_client.py b/tests/integration/vector/test_vector_index_client.py
index 73193a7..80f624c 100644
--- a/tests/integration/vector/test_vector_index_client.py
+++ b/tests/integration/vector/test_vector_index_client.py
@@ -1,6 +1,6 @@
 # pylint: skip-file
 import alibabacloud_oss_v2.vectors as oss_vectors
-from tests.integration import TestIntegrationVectors, random_short_bucket_name
+from .. import TestIntegrationVectors, random_short_bucket_name
 
 
 class TestVectorIndex(TestIntegrationVectors):
diff --git a/tests/unit/vectors/models/test_index_basic.py b/tests/unit/vectors/models/test_index_basic.py
index 1ea4235..14efecb 100644
--- a/tests/unit/vectors/models/test_index_basic.py
+++ b/tests/unit/vectors/models/test_index_basic.py
@@ -5,7 +5,7 @@
 from alibabacloud_oss_v2.vectors.operations import _serde
 from alibabacloud_oss_v2.vectors.models import index_basic as model
 from alibabacloud_oss_v2.types import OperationInput, OperationOutput, CaseInsensitiveDict
-from tests.unit import MockHttpResponse
+from ... import MockHttpResponse
 
 
 class TestPutVectorIndex(unittest.TestCase):
diff --git a/tests/unit/vectors/models/test_vector_basic.py b/tests/unit/vectors/models/test_vector_basic.py
index 6cb1cdb..2efeaa2 100644
--- a/tests/unit/vectors/models/test_vector_basic.py
+++ b/tests/unit/vectors/models/test_vector_basic.py
@@ -5,7 +5,7 @@
 from alibabacloud_oss_v2.vectors.operations import _serde
 from alibabacloud_oss_v2.vectors.models import vector_basic as model
 from alibabacloud_oss_v2.types import OperationInput, OperationOutput, CaseInsensitiveDict
-from tests.unit import MockHttpResponse
+from ... import MockHttpResponse
 
 
 class TestPutVectors(unittest.TestCase):