diff --git a/python/examples/grpc_impl_example/criteo_ctr_with_cube/test_client.py b/python/examples/grpc_impl_example/criteo_ctr_with_cube/test_client.py
index ffece54cbdc5c7120fb6ac53e14d110d8247da97..3e701cfe3ae2897d9046f83f700aa6fcd6b25412 100755
--- a/python/examples/grpc_impl_example/criteo_ctr_with_cube/test_client.py
+++ b/python/examples/grpc_impl_example/criteo_ctr_with_cube/test_client.py
@@ -22,6 +22,7 @@ from paddle_serving_client.metric import auc
 
 client = Client()
 client.connect(["127.0.0.1:9292"])
+client.set_rpc_timeout_ms(10000)
 
 batch = 1
 buf_size = 100