init sequence is incorrect, resulting in the dnodeId not read successfully

tests/script/unique/mnode/mgmt22.sim

@@ -8,7 +8,7 @@ system sh/cfg.sh -n dnode2 -c numOfMPeers -v 2
 system sh/cfg.sh -n dnode3 -c numOfMPeers -v 2
 
 print ============== step1
-system sh/exec_up.sh -n dnode1 -s start -t
+system sh/exec_up.sh -n dnode1 -s start
 sleep 3000
 sql connect
 
@@ -20,7 +20,7 @@ if $data2_1 != master then
 endi
 
 print ============== step2
-system sh/exec_up.sh -n dnode2 -s start -t
+system sh/exec_up.sh -n dnode2 -s start
 sql create dnode $hostname2
 
 $x = 0
@@ -41,12 +41,6 @@ if $data2_2 != slave then
 	goto show2
 endi
 
-system sh/exec_up.sh -n dnode1 -s stop  -x SIGINT
-system sh/exec_up.sh -n dnode2 -s stop  -x SIGINT
-system sh/exec_up.sh -n dnode3 -s stop  -x SIGINT
-system sh/exec_up.sh -n dnode4 -s stop  -x SIGINT
-return
-
 print ============== step3
 sql_error drop dnode $hostname1 -x error1
 print should not drop master
@@ -107,7 +101,7 @@ endi
 if $data2_2 != slave then
 	goto show7
 endi
-if $data3_3 != NULL then
+if $data3_3 != null then
 	goto show7
 endi