diff --git a/tests/python_client/conftest.py b/tests/python_client/conftest.py
index 538a8c51c2..fd81db1a73 100644
--- a/tests/python_client/conftest.py
+++ b/tests/python_client/conftest.py
@@ -22,8 +22,8 @@ def pytest_addoption(parser):
     parser.addoption("--host", action="store", default="localhost", help="service's ip")
     parser.addoption("--service", action="store", default="", help="service address")
     parser.addoption("--port", action="store", default=19530, help="service's port")
-    parser.addoption("--user", action="store", default="", help="user name for connection")
-    parser.addoption("--password", action="store", default="", help="password for connection")
+    parser.addoption("--user", action="store", default="root", help="user name for connection")
+    parser.addoption("--password", action="store", default="Milvus", help="password for connection")
     parser.addoption("--db_name", action="store", default="default", help="database name for connection")
     parser.addoption("--secure", action="store", default=False, help="secure for connection")
     parser.addoption("--milvus_ns", action="store", default="chaos-testing", help="milvus_ns")