diff --git a/tests/python_client/customize/config_parser.py b/tests/python_client/customize/milvus_operator.py
similarity index 66%
rename from tests/python_client/customize/config_parser.py
rename to tests/python_client/customize/milvus_operator.py
index d77342dda6..f904f627e7 100644
--- a/tests/python_client/customize/config_parser.py
+++ b/tests/python_client/customize/milvus_operator.py
@@ -1,12 +1,11 @@
 from benedict import benedict
-from common.common_func import gen_unique_str
 from utils.util_log import test_log as log
 from common.cus_resource_opts import CustomResourceOperations as CusResource
 
 template_yaml = 'template/default.yaml'
 MILVUS_GRP = 'milvus.io'
 MILVUS_VER = 'v1alpha1'
-MILVUS_KIND = 'MilvusCluster'
+MILVUS_PLURAL = 'milvusclusters'
 
 
 def update_configs(yaml, template):
@@ -14,52 +13,53 @@ def update_configs(yaml, template):
         log.error("customize configurations must be in dict type")
         return None
 
-    _configs = benedict.from_yaml(template)
+    d_configs = benedict.from_yaml(template)
 
     for key in yaml.keys():
-        _configs[key] = yaml[key]
+        d_configs[key] = yaml[key]
 
-    print(_configs)
-    filename = gen_unique_str('cus_config')
-    customized_yaml = f'template/{filename}.yaml'
-
-    customized_yaml = _configs.to_yaml(filepath=customized_yaml)
-
-    return _configs.to_json()
+    # return a python dict for common use
+    log.info(f"customized configs: {d_configs._dict}")
+    return d_configs._dict
 
 
 def install_milvus(cus_configs, template=template_yaml):
 
     _configs = update_configs(cus_configs, template)
-
     # apply custom resource object to deploy milvus
-    cus_res = CusResource(kind=MILVUS_KIND,
+    cus_res = CusResource(kind=MILVUS_PLURAL,
                           group=MILVUS_GRP,
                           version=MILVUS_VER,
-                          namespace=_configs['metadata']['namespace'])
+                          namespace='chaos-testing')
+    print(_configs)
     return cus_res.create(_configs)
 
 
 def uninstall_milvus(release_name, namespace='default'):
 
     # delete custom resource object to uninstall milvus
-    cus_res = CusResource(kind=MILVUS_KIND,
+    cus_res = CusResource(kind=MILVUS_PLURAL,
                           group=MILVUS_GRP,
                           version=MILVUS_VER,
                           namespace=namespace)
     cus_res.delete(release_name)
 
 
+def upgrade_milvus(release_name, configs):
+    # TODO: upgrade milvus with new configs
+    pass
+
+
 if __name__ == '__main__':
 
     cus_configs = {'spec.components.image': 'milvusdb/milvus-dev:master-20211013-91d8f85',
                    'metadata.namespace': 'chaos-testing',
-                   'metadata.name': 'milvus-dbl-testop',
+                   'metadata.name': 'milvus-dbl-testop2',
                    'spec.components.queryNode.replicas': 2,
                    'spec.components.queryNode.resources.limits.memory': '2048Mi'
                    }
-    # milvus_instance = install_milvus(cus_configs, template_yaml)
-    # print(milvus_instance)
+    milvus_instance = install_milvus(cus_configs, template_yaml)
+    print(milvus_instance)
     # upgrade_milvus(cus_configs)
-    uninstall_milvus('milvus-dbl-testop', namespace='chaos-testing')
+    # uninstall_milvus('milvus-dbl-testop2', namespace='chaos-testing')
     # update_configs(cus_configs)
diff --git a/tests/python_client/customize/template/default.yaml b/tests/python_client/customize/template/default.yaml
index 8f382d35ba..165e8d3672 100644
--- a/tests/python_client/customize/template/default.yaml
+++ b/tests/python_client/customize/template/default.yaml
@@ -5,6 +5,16 @@ metadata:
   labels:
     app: milvus
 spec:
-  config: {}
-  components: {}
-  dependencies: {}
+  dependencies:
+    etcd:
+      inCluster:
+        deletionPolicy: Delete
+        persistenceKeep: false
+    pulsar:
+      inCluster:
+        deletionPolicy: Delete
+        persistenceKeep: false
+    storage:
+      inCluster:
+        deletionPolicy: Delete
+        persistenceKeep: false
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