diff --git a/tools/multi_nodes_gate/airship_gate/bin/shipyard.sh b/tools/multi_nodes_gate/airship_gate/bin/shipyard.sh
index 3bab782d..d0fe1cc5 100755
--- a/tools/multi_nodes_gate/airship_gate/bin/shipyard.sh
+++ b/tools/multi_nodes_gate/airship_gate/bin/shipyard.sh
@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-set -x
+set -e
 
 SCRIPT_DIR="$(realpath "$(dirname "$0")")"
 WORKSPACE="$(realpath "${SCRIPT_DIR}/../../..")"
diff --git a/tools/multi_nodes_gate/airship_gate/lib/config.sh b/tools/multi_nodes_gate/airship_gate/lib/config.sh
index e7959df8..add33a8f 100644
--- a/tools/multi_nodes_gate/airship_gate/lib/config.sh
+++ b/tools/multi_nodes_gate/airship_gate/lib/config.sh
@@ -256,7 +256,7 @@ config_net_is_layer3() {
 config_netspec_for_role() {
   role="$1"
 
-  set -x
+  set -e
 
   for net in $(config_net_list)
   do