diff --git a/tools/serving_build.sh b/tools/serving_build.sh
index 5e9131c607a512ba498c6a7f5f411e4b5b543ec0..09eb319b0599f6c7b21430dcce98af3ac813c569 100644
--- a/tools/serving_build.sh
+++ b/tools/serving_build.sh
@@ -144,6 +144,7 @@ function python_test_fit_a_line() {
             sleep 5 # wait for the server to start
             check_cmd "python test_client.py uci_housing_client/serving_client_conf.prototxt > /dev/null"
             kill_server_process
+            
             # test web
             unsetproxy # maybe the proxy is used on iPipe, which makes web-test failed.
             check_cmd "python -m paddle_serving_server_gpu.serve --model uci_housing_model --port 9393 --thread 2 --gpu_ids 0 --name uci > /dev/null &"