diff --git a/tests/python_client/milvus_client/test_milvus_client_struct_array.py b/tests/python_client/milvus_client/test_milvus_client_struct_array.py
index 8f8a2bba84..ae58c661cb 100644
--- a/tests/python_client/milvus_client/test_milvus_client_struct_array.py
+++ b/tests/python_client/milvus_client/test_milvus_client_struct_array.py
@@ -1839,7 +1839,7 @@ class TestMilvusClientStructArraySearch(TestMilvusClientV2Base):
 
         # Search using EmbeddingList
         error = {ct.err_code: 999,
-                ct.err_msg: "array of vector is not supported for search by IDs"}
+                 ct.err_msg: "array of vector is not supported for search by IDs"}
         self.search(client,
                     collection_name,
                     ids=[0, 1],
diff --git a/tests/python_client/milvus_client_v2/test_milvus_client_search_by_pk.py b/tests/python_client/milvus_client_v2/test_milvus_client_search_by_pk.py
index 79cbb08c77..e21c61b273 100644
--- a/tests/python_client/milvus_client_v2/test_milvus_client_search_by_pk.py
+++ b/tests/python_client/milvus_client_v2/test_milvus_client_search_by_pk.py
@@ -270,7 +270,7 @@ class TestMilvusClientSearchByPk(TestMilvusClientV2Base):
 
         #  search again without specify anns_field
         error = {"err_code": 999,
-                 "err_msg": "anns_field is required for search by IDs"}
+                 "err_msg": "multiple vector fields exist, please specify anns_field in search_params"}
         self.search(
             client,
             collection_name,
@@ -356,7 +356,7 @@ class TestMilvusClientSearchByPk(TestMilvusClientV2Base):
         # search with duplicate primary key values
         # TODO: Update the error msg after #46740 fixed
         error = {"err_code": 999,
-                 "err_msg": "some of the provided primary key IDs do not exist: missing IDs = []"}
+                 "err_msg": "duplicate IDs found in search request"}
         self.search(
             client,
             collection_name,