diff --git a/python/examples/fit_a_line/benchmark.py b/python/examples/fit_a_line/benchmark.py
index 0ddda2a095eb8542887ea592a79b16665f2daa15..5cc094dc17f2b4519e076b34d4368f0f33b8f3eb 100644
--- a/python/examples/fit_a_line/benchmark.py
+++ b/python/examples/fit_a_line/benchmark.py
@@ -35,7 +35,7 @@ def single_func(idx, resource):
             batch_size=1)
         start = time.time()
         for data in train_reader():
-            fetch_map = client.predict(feed={"x": data[0][0]}, fetch=["price"])
+            fetch_map = client.predict(feed={"x": data[0][0]}, fetch=["price"],batch=True)
         end = time.time()
         return [[end - start]]
     elif args.request == "http":
diff --git a/python/paddle_serving_client/client.py b/python/paddle_serving_client/client.py
index 88dcf28cc7d5f96417a70a331610718b697644bb..8f1218b84d892069cb21a6c56406b66bd8f6c26a 100755
--- a/python/paddle_serving_client/client.py
+++ b/python/paddle_serving_client/client.py
@@ -155,7 +155,7 @@ class Client(object):
         file_path_list = []
         for single_model_config in model_config_path_list:
             if os.path.isdir(single_model_config):
-                file_path_list.append("{}/serving_server_conf.prototxt".format(
+                file_path_list.append("{}/serving_client_conf.prototxt".format(
                     single_model_config))
             elif os.path.isfile(single_model_config):
                 file_path_list.append(single_model_config)
@@ -574,7 +574,7 @@ class MultiLangClient(object):
         file_path_list = []
         for single_model_config in model_config_path_list:
             if os.path.isdir(single_model_config):
-                file_path_list.append("{}/serving_server_conf.prototxt".format(
+                file_path_list.append("{}/serving_client_conf.prototxt".format(
                     single_model_config))
             elif os.path.isfile(single_model_config):
                 file_path_list.append(single_model_config)