diff --git a/install.sh b/install.sh
index 86c05c766c27e2aaae7367c9cc82bf1e7ec86d83..a27e54c75514ad4dfc6bbc0243b193e8aecf7fb6 100755
--- a/install.sh
+++ b/install.sh
@@ -1,4 +1,4 @@
-#! /bin/bash
+#!/bin/bash
 #
 # Copyright (c) 2022 Huawei Device Co., Ltd.
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -14,6 +14,7 @@
 # limitations under the License.
 #
 
+set -e
 sudo cp ohtest /usr/bin/
 
 if cat ~/.bashrc | grep "DEVTESTDIR" > /dev/null