diff --git a/tests/script/sh/stop_dnodes.sh b/tests/script/sh/stop_dnodes.sh
index acdfbe9e6ad74d2493e442207a98442d5c5e3144..fe4205824a16b86d3043ce6ba99dd3ada8547766 100755
--- a/tests/script/sh/stop_dnodes.sh
+++ b/tests/script/sh/stop_dnodes.sh
@@ -6,8 +6,8 @@ if [ -n "$PID" ]; then
 	sudo systemctl stop taosd
 fi
   
-PID=`ps -ef|grep taosd | grep -v grep | awk '{print $2}'`
+PID=`ps -ef|grep -w taosd | grep -v grep | awk '{print $2}'`
 if [ -n "$PID" ]; then 
 	echo sudo kill -9 $PID 
-	sudo kill -9 $PID
+	sudo pkill taosd
 fi