diff --git a/tests/script/general/user/user_create.sim b/tests/script/general/user/user_create.sim
index 4da60b7e3952ea72cba5268c664184bfcdc05ab7..34934d09e6bb6c26a2ac228f722d841aba82fba6 100644
--- a/tests/script/general/user/user_create.sim
+++ b/tests/script/general/user/user_create.sim
@@ -34,10 +34,10 @@ print =============== step3
 sql drop user read -x step31
   return -1
 step31:
-sql drop user sys -x step32
+sql drop user _root -x step32
   return -1
 step32:
-sql drop user stream -x step33
+sql drop user monitor -x step33
   return -1
 step33:
 
@@ -71,11 +71,11 @@ sql alter user read privilege 1 -x step43
   return -1
 step43:
 
-sql drop user sys -x step41
+sql drop user _root -x step41
   return -1
 step41:
 
-sql drop user stream -x step42
+sql drop user monitor -x step42
   return -1
 step42:
 
diff --git a/tests/script/sh/stop_dnodes.sh b/tests/script/sh/stop_dnodes.sh
index a873eb565442ce359d4a3a57403ff32b5bc2f50e..2364dff9b33805130834f0da1ef21929a9d27c90 100755
--- a/tests/script/sh/stop_dnodes.sh
+++ b/tests/script/sh/stop_dnodes.sh
@@ -2,14 +2,14 @@
 
 PID=`ps -ef|grep /usr/bin/taosd | grep -v grep | awk '{print $2}'`
 if [ -n "$PID" ]; then 
-	echo sudo systemctl stop taosd 
-	sudo systemctl stop taosd
+	echo systemctl stop taosd 
+	systemctl stop taosd
 fi
   
 PID=`ps -ef|grep -w taosd | grep -v grep | awk '{print $2}'`
 while [ -n "$PID" ]; do
-	echo sudo kill -9 $PID 
-	sudo pkill -9 taosd
-  sudo fuser -k -n tcp 6030
+	echo kill -9 $PID 
+	pkill -9 taosd
+  fuser -k -n tcp 6030
   PID=`ps -ef|grep -w taosd | grep -v grep | awk '{print $2}'`
 done
diff --git a/tests/script/unique/account/user_create.sim b/tests/script/unique/account/user_create.sim
index 075da848d613791593b453bf9cccf3ad265bf1df..789035cfcca728df07853f2aac6ec333adb926cb 100644
--- a/tests/script/unique/account/user_create.sim
+++ b/tests/script/unique/account/user_create.sim
@@ -35,10 +35,10 @@ print =============== step3
 sql drop user read -x step31
   return -1
 step31:
-sql drop user sys -x step32
+sql drop user _root -x step32
   return -1
 step32:
-sql drop user stream -x step33
+sql drop user monitor -x step33
   return -1
 step33:
 
@@ -71,11 +71,11 @@ sql alter user read privilege 1 -x step43
   return -1
 step43:
 
-sql drop user sys -x step41
+sql drop user _root -x step41
   return -1
 step41:
 
-sql drop user stream -x step42
+sql drop user monitor -x step42
   return -1
 step42:
 
diff --git a/tests/script/windows/account/user_create.sim b/tests/script/windows/account/user_create.sim
index aea95b7c5cb0ea37090916e0aad0c24fae641b3e..6dc9ab05b3baf7ffa01540b51918cb18715f5eb1 100644
--- a/tests/script/windows/account/user_create.sim
+++ b/tests/script/windows/account/user_create.sim
@@ -30,10 +30,10 @@ print =============== step3
 sql drop user read -x step31
   return -1
 step31:
-sql drop user sys -x step32
+sql drop user _root -x step32
   return -1
 step32:
-sql drop user stream -x step33
+sql drop user monitor -x step33
   return -1
 step33:
 
@@ -64,11 +64,11 @@ sql alter user read privilege 1 -x step43
   return -1
 step43:
 
-sql drop user sys -x step41
+sql drop user _root -x step41
   return -1
 step41:
 
-sql drop user stream -x step42
+sql drop user monitor -x step42
   return -1
 step42: