diff --git a/tests/benchmark/milvus_benchmark/client.py b/tests/benchmark/milvus_benchmark/client.py
index 1509ce88bc..1674aaf88b 100644
--- a/tests/benchmark/milvus_benchmark/client.py
+++ b/tests/benchmark/milvus_benchmark/client.py
@@ -518,12 +518,11 @@ class MilvusClient(object):
         logger.debug("[scene_test] Start create index : %s" % collection_name)
         self.create_index(field_name='float_vector', index_type="ivf_sq8", metric_type='l2',
                           collection_name=collection_name, index_param={'nlist': 2048})
-        # time.sleep(59)
+        time.sleep(59)
 
         logger.debug("[scene_test] Start drop : %s" % collection_name)
         self.drop(collection_name=collection_name)
         logger.debug("[scene_test]Scene test close : %s" % collection_name)
-        # time.sleep(1)
 
     # TODO: remove
     # def get_server_version(self):