diff --git a/tools/serving_build.sh b/tools/serving_build.sh
index c120b2f27c0c5b1e88c44731730f270deaf39f41..abf41e24230fa73731395d08dbc3765b14c7ea3e 100644
--- a/tools/serving_build.sh
+++ b/tools/serving_build.sh
@@ -935,11 +935,11 @@ function python_app_api_test(){
     cd imagenet
     case $TYPE in
         CPU)
-            check_cmd "python test_image_reader.py"
-            check_cmd "python test_preprocess.py"
             ;;
         GPU)
             echo "no implement for cpu type"
+            check_cmd "python test_image_reader.py"
+            check_cmd "python test_preprocess.py"
             ;;
         *)
             echo "error type"