diff --git a/sample/build/build.sh b/sample/build/build.sh
index bbb2915b04c1c28828dbb7de6f00c28ca8bbe45f..d610dd10c12b6cb00332442de47af2fc355a71a9 100644
--- a/sample/build/build.sh
+++ b/sample/build/build.sh
@@ -3,6 +3,7 @@
 CUR_DIR=$(dirname $(readlink -f $0))
 TOP_DIR=$(readlink -f $CUR_DIR/../)
 
+
 # add
 cd ${TOP_DIR}/normal_sample/vec_only
 make