diff --git a/python/examples/bert/bert_client.py b/python/examples/bert/bert_client.py
index 399ce32e594cab96275f4bc950c31dd153bdcd96..4801165a0883b4a6f9aeb088fccfecfe114d0ec5 100644
--- a/python/examples/bert/bert_client.py
+++ b/python/examples/bert/bert_client.py
@@ -23,7 +23,7 @@ args = benchmark_args()
 
 reader = ChineseBertReader({"max_seq_len": 128})
 fetch = ["pooled_output"]
-endpoint_list = [':8861']
+endpoint_list = ['127.0.0.1:9292']
 client = Client()
 client.load_client_config(args.model)
 client.connect(endpoint_list)
diff --git a/python/examples/faster_rcnn_model/test_client.py b/python/examples/faster_rcnn_model/test_client.py
index 847a5476ce817b8bc51eacc1de500a849a67abe7..ce577a3c4396d33af33e45694a573f8b1cbcb52b 100755
--- a/python/examples/faster_rcnn_model/test_client.py
+++ b/python/examples/faster_rcnn_model/test_client.py
@@ -27,7 +27,7 @@ postprocess = RCNNPostprocess("label_list.txt", "output")
 client = Client()
 
 client.load_client_config(sys.argv[1])
-client.connect([':8870'])
+client.connect(['127.0.0.1:9494'])
 
 im = preprocess(sys.argv[3])
 fetch_map = client.predict(
diff --git a/python/examples/lac/lac_client.py b/python/examples/lac/lac_client.py
index ab560532fe56e2c749f44ed4e1f86e43358d8706..568b08d8b3af86fd7aa7b20660aeb4acbf060e04 100644
--- a/python/examples/lac/lac_client.py
+++ b/python/examples/lac/lac_client.py
@@ -22,8 +22,8 @@ import io
 import numpy as np
 
 client = Client()
-client.connect([':8868'])
-client.connect([':8868'])
+client.load_client_config(sys.argv[1])
+client.connect(["127.0.0.1:9292"])
 
 reader = LACReader()
 for line in sys.stdin: