diff --git a/tools/serving_build.sh b/tools/serving_build.sh
index 324197c54eb023439d57dc5402bb7a1e09d1ebcd..5934cbca883bd6a40369bd0875b2789ceb8a4d1f 100644
--- a/tools/serving_build.sh
+++ b/tools/serving_build.sh
@@ -350,7 +350,7 @@ function python_test_imdb() {
             kill_server_process
             ps -ef | grep "paddle_serving_server" | grep -v grep | awk '{print $2}' | xargs kill
             ps -ef | grep "text_classify_service.py" | grep -v grep | awk '{print $2}' | xargs kill
-            echo "imdb CPU HTTP inference pass"           
+            echo "imdb CPU HTTP inference pass"
             ;;
         GPU)
             echo "imdb ignore GPU test"