diff --git a/include/common/tmsg.h b/include/common/tmsg.h
index 2f4c80f025..3e27bd9268 100644
--- a/include/common/tmsg.h
+++ b/include/common/tmsg.h
@@ -2803,6 +2803,7 @@ typedef struct {
 
 int32_t tSerializeSTableIndexRsp(void* buf, int32_t bufLen, const STableIndexRsp* pRsp);
 int32_t tDeserializeSTableIndexRsp(void* buf, int32_t bufLen, STableIndexRsp* pRsp);
+void    tFreeSerializeSTableIndexRsp(STableIndexRsp* pRsp);
 
 void tFreeSTableIndexInfo(void* pInfo);
 
diff --git a/source/common/src/tmsg.c b/source/common/src/tmsg.c
index b79c412914..43003e7fab 100644
--- a/source/common/src/tmsg.c
+++ b/source/common/src/tmsg.c
@@ -2933,6 +2933,13 @@ int32_t tSerializeSTableIndexRsp(void *buf, int32_t bufLen, const STableIndexRsp
   return tlen;
 }
 
+void tFreeSerializeSTableIndexRsp(STableIndexRsp *pRsp) {
+  if (pRsp->pIndex != NULL) {
+    taosArrayDestroy(pRsp->pIndex);
+    pRsp->pIndex = NULL;
+  }
+}
+
 int32_t tDeserializeSTableIndexInfo(SDecoder *pDecoder, STableIndexInfo *pInfo) {
   if (tDecodeI8(pDecoder, &pInfo->intervalUnit) < 0) return -1;
   if (tDecodeI8(pDecoder, &pInfo->slidingUnit) < 0) return -1;
diff --git a/source/dnode/mnode/impl/src/mndSma.c b/source/dnode/mnode/impl/src/mndSma.c
index bff3f19e99..e82e5e0870 100644
--- a/source/dnode/mnode/impl/src/mndSma.c
+++ b/source/dnode/mnode/impl/src/mndSma.c
@@ -1153,6 +1153,7 @@ _OVER:
     mError("failed to get table index %s since %s", indexReq.tbFName, terrstr());
   }
 
+  tFreeSerializeSTableIndexRsp(&rsp);
   return code;
 }
 
diff --git a/tests/script/tsim/valgrind/basic2.sim b/tests/script/tsim/valgrind/basic2.sim
index d3c72d1e5c..45ac78daf0 100644
--- a/tests/script/tsim/valgrind/basic2.sim
+++ b/tests/script/tsim/valgrind/basic2.sim
@@ -1,6 +1,5 @@
 system sh/stop_dnodes.sh
 system sh/deploy.sh -n dnode1 -i 1
-system sh/cfg.sh -n dnode1 -c debugflag -v 131
 system sh/exec.sh -n dnode1 -s start -v
 sql connect
 
@@ -23,65 +22,87 @@ if $data(1)[4] != ready then
 endi
 
 print =============== step2: create db
-sql create database d1 vgroups 2 buffer 3
-sql show databases
-sql use d1
-sql show vgroups
+sql create database db
+sql use db
+sql create table db.stb (ts timestamp, c1 int, c2 binary(4)) tags(t1 int, t2 float, t3 binary(16)) comment "abd"
+sql create table db.c1 using db.stb tags(101, 102, "103")
 
-print =============== step3: create show stable
-sql create table if not exists stb (ts timestamp, c1 int, c2 float, c3 double) tags (t1 int unsigned)
-sql show stables
-if $rows != 1 then 
-  return -1
-endi
+print =============== step3: alter stb
+sql_error alter table db.stb add column ts int
+sql alter table db.stb add column c3 int
+sql alter table db.stb add column c4 bigint
+sql alter table db.stb add column c5 binary(12)
+sql alter table db.stb drop column c1
+sql alter table db.stb drop column c4
+sql alter table db.stb MODIFY column c2 binary(32)
+sql alter table db.stb add tag t4 bigint
+sql alter table db.stb add tag c1 int  
+sql alter table db.stb add tag t5 binary(12)
+sql alter table db.stb drop tag c1
+sql alter table db.stb drop tag t5
+sql alter table db.stb MODIFY tag t3 binary(32)
+sql alter table db.stb rename tag t1 tx
+sql alter table db.stb comment 'abcde' ;
+sql drop table db.stb
 
-print =============== step4: create show table
-sql create table ct1 using stb tags(1000)
-sql create table ct2 using stb tags(2000)
-sql create table ct3 using stb tags(3000)
-sql show tables
-if $rows != 3 then 
-  return -1
-endi
+print =============== step4: alter tb
+sql create table tb (ts timestamp, a int)
+sql insert into tb values(now-28d, -28)
+sql select count(a) from tb
+sql alter table tb add column b smallint
+sql insert into tb values(now-25d, -25, 0)
+sql select count(b) from tb
+sql alter table tb add column c tinyint
+sql insert into tb values(now-22d, -22, 3, 0)
+sql select count(c) from tb
+sql alter table tb add column d int
+sql insert into tb values(now-19d, -19, 6, 0, 0)
+sql select count(d) from tb
+sql alter table tb add column e bigint
+sql alter table tb add column f float
+sql alter table tb add column g double
+sql alter table tb add column h binary(10)
+sql select count(a), count(b), count(c), count(d), count(e), count(f), count(g), count(h) from tb
+sql select * from tb order by ts desc
 
-print =============== step5: insert data
-sql insert into ct1 values(now+0s, 10, 2.0, 3.0)
-sql insert into ct1 values(now+1s, 11, 2.1, 3.1)(now+2s, -12, -2.2, -3.2)(now+3s, -13, -2.3, -3.3)
-sql insert into ct2 values(now+0s, 10, 2.0, 3.0)
-sql insert into ct2 values(now+1s, 11, 2.1, 3.1)(now+2s, -12, -2.2, -3.2)(now+3s, -13, -2.3, -3.3)
-sql insert into ct3 values('2021-01-01 00:00:00.000', 10, 2.0, 3.0)
+print =============== step5: alter stb and insert data
+sql create table stb (ts timestamp, c1 int, c2 binary(4)) tags(t1 int, t2 float, t3 binary(16)) comment "abd"
+sql show db.stables
+sql describe stb
+sql_error alter table stb add column ts int
+
+sql create table db.ctb using db.stb tags(101, 102, "103")
+sql insert into db.ctb values(now, 1, "2")
+sql show db.tables
+sql select * from db.stb
+sql select * from tb
+
+sql alter table stb add column c3 int
+sql describe stb
+sql select * from db.stb
+sql select * from tb
+sql insert into db.ctb values(now+1s, 1, 2, 3)
+sql select * from db.stb
+
+sql alter table db.stb add column c4 bigint
+sql select * from db.stb
+sql insert into db.ctb values(now+2s, 1, 2, 3, 4)
+
+sql alter table db.stb drop column c1
+sql reset query cache
+sql select * from tb
+sql insert into db.ctb values(now+3s, 2, 3, 4)
+sql select * from db.stb
+
+sql alter table db.stb add tag t4 bigint
+sql select * from db.stb
+sql select * from db.stb
+sql_error create table db.ctb2 using db.stb tags(101, "102")
+sql create table db.ctb2 using db.stb tags(101, 102, "103", 104)
+sql insert into db.ctb2 values(now, 1, 2, 3)
 
 print =============== step6: query data
-sql select * from ct1
-sql select * from stb
-sql select c1, c2, c3 from ct1
-sql select ts, c1, c2, c3 from stb
-
-print =============== step7: count
-sql select count(*) from ct1;
-sql select count(*) from stb;
-sql select count(ts), count(c1), count(c2), count(c3) from ct1
-sql select count(ts), count(c1), count(c2), count(c3) from stb
-
-print =============== step8: func
-sql select first(ts), first(c1), first(c2), first(c3) from ct1
-sql select min(c1), min(c2), min(c3) from ct1
-sql select max(c1), max(c2), max(c3) from ct1
-sql select sum(c1), sum(c2), sum(c3) from ct1
-
-print =============== step9: insert select
-sql create table ct4 using stb tags(4000);
-sql insert into ct4 select * from ct1;
-sql select * from ct4;
-sql insert into ct4 select ts,c1,c2,c3 from stb;
-
-sql create table tb1 (ts timestamp, c1 int, c2 float, c3 double);
-sql insert into tb1 (ts, c1, c2, c3) select * from ct1;
-sql select * from tb1;
-
-sql create table tb2 (ts timestamp, f1 binary(10), c1 int, c2 double);
-sql insert into tb2 (c2, c1, ts) select c2+1, c1, ts+3 from ct2;
-sql select * from tb2;
+sql select * from db.stb where tbname = 'ctb2';
 
 _OVER:
 system sh/exec.sh -n dnode1 -s stop -x SIGINT
@@ -90,7 +111,7 @@ $null=
 
 system_content sh/checkValgrind.sh -n dnode1 
 print cmd return result ----> [ $system_content ]
-if $system_content > 1 then
+if $system_content > 0 then
   return -1
 endi 
 
diff --git a/tests/script/tsim/valgrind/basic3.sim b/tests/script/tsim/valgrind/basic3.sim
index 6a42a8eb7f..d513eee3cf 100644
--- a/tests/script/tsim/valgrind/basic3.sim
+++ b/tests/script/tsim/valgrind/basic3.sim
@@ -1,6 +1,5 @@
 system sh/stop_dnodes.sh
 system sh/deploy.sh -n dnode1 -i 1
-system sh/cfg.sh -n dnode1 -c debugflag -v 131
 system sh/exec.sh -n dnode1 -s start -v
 sql connect
 
@@ -22,40 +21,43 @@ if $data(1)[4] != ready then
   goto step1
 endi
 
-print =============== step2: create db
-sql create database d1 vgroups 2 buffer 3
-sql show databases
-sql use d1
-sql show vgroups
+$tbPrefix = tb
+$tbNum = 5
+$rowNum = 10
 
-print =============== step3: create show stable
-sql create table if not exists stb (ts timestamp, c1 int, c2 float, c3 double) tags (t1 int unsigned)
-sql show stables
-if $rows != 1 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) tags (tgcol int unsigned)
 
-print =============== step4: create show table
-sql create table ct1 using stb tags(1000)
-sql create table ct2 using stb tags(2000)
-sql create table ct3 using stb tags(3000)
-sql show tables
-if $rows != 3 then 
-  return -1
-endi
+$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 ) 
+    $x = $x + 1
+  endw 
+  $i = $i + 1
+endw 
 
-print =============== step5: insert data
-sql insert into ct1 values(now+0d, 10, 2.0, 3.0)
-sql insert into ct1 values(now+1d, 11, 2.1, 3.1)(now+2d, -12, -2.2, -3.2)(now+3d, -13, -2.3, -3.3)
-sql insert into ct2 values(now+0d, 10, 2.0, 3.0)
-sql insert into ct2 values(now+1d, 11, 2.1, 3.1)(now+2d, -12, -2.2, -3.2)(now+3d, -13, -2.3, -3.3)
-sql insert into ct3 values('2022-01-01 00:00:00.000', 10, 2.0, 3.0)
-
-print =============== step6: query data
-sql select * from ct1 where ts < now -1d and ts > now +1d 
-sql select * from stb where ts < now -1d and ts > now +1d 
-sql select * from ct1 where ts < now -1d and ts > now +1d order by ts desc 
-sql select * from stb where ts < now -1d and ts > now +1d order by ts desc 
+print =============== step3: avg
+sql select avg(tbcol) from tb1
+sql select avg(tbcol) from tb1 where ts <= 1601481840000
+sql select avg(tbcol) as b from tb1
+sql select avg(tbcol) as b from tb1 interval(1d)
+sql select avg(tbcol) as b from tb1 where ts <= 1601481840000s interval(1m)
+sql select avg(tbcol) as c from stb
+sql select avg(tbcol) as c from stb where ts <= 1601481840000
+sql select avg(tbcol) as c from stb where tgcol < 5 and ts <= 1601481840000
+sql select avg(tbcol) as c from stb interval(1m)
+sql select avg(tbcol) as c from stb interval(1d)
+sql select avg(tbcol) as b from stb where ts <= 1601481840000s interval(1m)
+sql select avg(tbcol) as c from stb group by tgcol
+sql select avg(tbcol) as b from stb where ts <= 1601481840000s partition by tgcol interval(1m)
 
 _OVER:
 system sh/exec.sh -n dnode1 -s stop -x SIGINT
@@ -64,7 +66,7 @@ $null=
 
 system_content sh/checkValgrind.sh -n dnode1 
 print cmd return result ----> [ $system_content ]
-if $system_content > 1 then
+if $system_content > 0 then
   return -1
 endi 
 
diff --git a/tests/script/tsim/valgrind/checkError6.sim b/tests/script/tsim/valgrind/checkError6.sim
index 2783e94771..a9f66647f9 100644
--- a/tests/script/tsim/valgrind/checkError6.sim
+++ b/tests/script/tsim/valgrind/checkError6.sim
@@ -68,7 +68,7 @@ $null=
 
 system_content sh/checkValgrind.sh -n dnode1 
 print cmd return result ----> [ $system_content ]
-if $system_content > 3 then
+if $system_content > 0 then
   return -1
 endi