diff --git a/tests/script/tsim/db/basic3.sim b/tests/script/tsim/db/basic3.sim
index 17faee993ccbeaf3112acf64d0d750949593395e..1170406a5c14a9d20f814e038dd1041cc07e772b 100644
--- a/tests/script/tsim/db/basic3.sim
+++ b/tests/script/tsim/db/basic3.sim
@@ -1,51 +1,69 @@
 system sh/stop_dnodes.sh
 system sh/deploy.sh -n dnode1 -i 1
-system sh/exec.sh -n dnode1 -s start
+system sh/cfg.sh -n dnode1 -c debugflag -v 131
+system sh/exec.sh -n dnode1 -s start -v
 sql connect
 
-print =============== create database d1
-sql create database d1
-sql create table d1.t1 (ts timestamp, i int);
-sql create table d1.t2 (ts timestamp, i int);
-sql create table d1.t3 (ts timestamp, i int);
-sql create table d1.t4 (ts timestamp, i int);
-
-sql show databases
-if $rows != 3 then
+print =============== step1: create drop show dnodes
+$x = 0
+step1:
+	$x = $x + 1
+	sleep 1000
+	if $x == 10 then
+	  print ---> dnode not ready!
+		return -1
+	endi
+sql show dnodes
+print ---> $data00 $data01 $data02 $data03 $data04 $data05
+if $rows != 1 then
   return -1
 endi
-
-if $data20 != d1 then
-  return -1
+if $data(1)[4] != ready then
+  goto step1
 endi
 
-if $data22 != 2 then
-  return -1
-endi
+$tbPrefix = tb
+$tbNum = 5
+$rowNum = 10
 
-#if $data03 != 4 then 
-#  return -1
-#endi
+print =============== step2: prepare data
+sql create database db vgroups 2
+sql use db
+sql create table if not exists stb (ts timestamp, tbcol int, tbcol2 float, tbcol3 double, tbcol4 binary(30), tbcol5 binary(30)) tags (tgcol int unsigned)
 
-sql show d1.tables
-if $rows != 4 then 
-  return -1
-endi
+$i = 0
+while $i < $tbNum
+  $tb = $tbPrefix . $i
+  sql create table $tb using stb tags( $i )
+  $x = 0
+  while $x < $rowNum
+    $cc = $x * 60000
+    $ms = 1601481600000 + $cc
+    sql insert into $tb values ($ms , $x , $x , $x , "abcd1234=-+*" , "123456 0" ) 
+    $x = $x + 1
+  endw 
 
-print =============== create database d2
-sql create database d2
-sql create table d2.t1 (ts timestamp, i int);
-sql create table d2.t2 (ts timestamp, i int);
-sql create table d2.t3 (ts timestamp, i int);
+  $cc = $x * 60000
+  $ms = 1601481600000 + $cc
+  sql insert into $tb values ($ms , NULL , NULL , NULL , NULL , NULL ) 
+  $i = $i + 1
+endw 
 
-sql show databases
-if $rows != 4 then
-  return -1
-endi
+print =============== step3: tb
+sql select tbcol5 - tbcol tbcol from tb1 
+sql select tbcol2 - tbcol tbcol from tb1 
 
-sql show d2.tables
-if $rows != 3 then 
+_OVER:
+system sh/exec.sh -n dnode1 -s stop -x SIGINT
+print =============== check
+$null=
+
+system_content sh/checkValgrind.sh -n dnode1 
+print cmd return result ----> [ $system_content ]
+if $system_content > 0 then
   return -1
-endi
+endi 
 
-system sh/exec.sh -n dnode1 -s stop -x SIGINT
\ No newline at end of file
+if $system_content == $null then
+  return -1
+endi