diff --git a/source/dnode/vnode/src/tsdb/tsdbRead.c b/source/dnode/vnode/src/tsdb/tsdbRead.c
index c5667cce419a1282bd9eb1ea6e6e50e92a360f8b..072d15d715d6cfc46c9bcfd01d1cd25089b2b314 100644
--- a/source/dnode/vnode/src/tsdb/tsdbRead.c
+++ b/source/dnode/vnode/src/tsdb/tsdbRead.c
@@ -2393,6 +2393,7 @@ int32_t doAppendRowFromBlock(SSDataBlock* pResBlock, STsdbReader* pReader, SBloc
   SColumnInfoData* pColData = taosArrayGet(pResBlock->pDataBlock, i);
   if (pColData->info.colId == PRIMARYKEY_TIMESTAMP_COL_ID) {
     colDataAppendInt64(pColData, outputRowIndex, &pBlockData->aTSKEY[rowIndex]);
+    i += 1;
   }
 
   SColVal cv = {0};
@@ -2404,8 +2405,8 @@ int32_t doAppendRowFromBlock(SSDataBlock* pResBlock, STsdbReader* pReader, SBloc
     SColData* pData = tBlockDataGetColDataByIdx(pBlockData, j);
 
     if (pData->cid == pCol->info.colId) {
-        tColDataGetValue(pData, j, &cv);
-        doCopyColVal(pCol, outputRowIndex++, i, &cv, pSupInfo);
+      tColDataGetValue(pData, rowIndex, &cv);
+      doCopyColVal(pCol, outputRowIndex, i, &cv, pSupInfo);
       j += 1;
     } else {  // the specified column does not exist in file block, fill with null data
       colDataAppendNULL(pCol, outputRowIndex);
@@ -2416,7 +2417,7 @@ int32_t doAppendRowFromBlock(SSDataBlock* pResBlock, STsdbReader* pReader, SBloc
 
   while (i < numOfOutputCols) {
     SColumnInfoData* pCol = taosArrayGet(pResBlock->pDataBlock, i);
-    colDataAppendNULL(pCol, rowIndex);
+    colDataAppendNULL(pCol, outputRowIndex);
     i += 1;
   }
 
diff --git a/source/libs/executor/src/executorimpl.c b/source/libs/executor/src/executorimpl.c
index 46e1b198b6ff7f323f0346f0e72128e853d8a280..064c747c88ed20a2554edc940b24de59afa00d2f 100644
--- a/source/libs/executor/src/executorimpl.c
+++ b/source/libs/executor/src/executorimpl.c
@@ -3355,6 +3355,7 @@ static void destroyOperatorInfo(SOperatorInfo* pOperator) {
     pOperator->numOfDownstream = 0;
   }
 
+  cleanupExprSupp(&pOperator->exprSupp);
   taosMemoryFreeClear(pOperator);
 }
 
diff --git a/tests/script/tsim/parser/function.sim b/tests/script/tsim/parser/function.sim
index cbfb59bcabfe1848c4ff9df6b6371e902d065fe2..110901a6e17ec5c429863827f777b0226bf91bd2 100644
--- a/tests/script/tsim/parser/function.sim
+++ b/tests/script/tsim/parser/function.sim
@@ -500,11 +500,12 @@ if $rows != 2 then
   return -1
 endi
 
-sql select stddev(k), stddev(b), stddev(c),tbname, a from m1  group by tbname,a
+sql select stddev(k), stddev(b), stddev(c),tbname, a from m1  group by tbname,a order by a asc
 if $rows != 2 then
   return -1
 endi
 if $data00 != 1.414213562 then
+  print expect 1.414213562, actual: $data00
   return -1
 endi
 if $data01 != 14.142135624 then
@@ -732,6 +733,7 @@ if $rows != 1 then
   return -1
 endi
 if $data00 != 0.005633334 then
+  print expect 0.005633334, actual: $data00
   return -1
 endi
 
diff --git a/tests/script/tsim/parser/groupby.sim b/tests/script/tsim/parser/groupby.sim
index bf2c7cc7bf7ec4b39ecb9718ad6b964d14a859b5..c4c19ca2110829210e6a03cd657a0b4c5d6cd1ee 100644
--- a/tests/script/tsim/parser/groupby.sim
+++ b/tests/script/tsim/parser/groupby.sim
@@ -681,12 +681,13 @@ if $data14 != 1 then
   return -1
 endi
 
-sql select _wstart, irate(c), tbname, t1, t2 from st where t1=1 and ts >= '2020-03-27 04:11:17.732' and ts < '2020-03-27 05:11:17.732' partition by tbname, t1, t2 interval(1m) sliding(15s) order by tbname desc limit 1;
+sql select _wstart, irate(c), tbname, t1, t2 from st where t1=1 and ts >= '2020-03-27 04:11:17.732' and ts < '2020-03-27 05:11:17.732' partition by tbname, t1, t2 interval(1m) sliding(15s) order by tbname desc,_wstart asc limit 1;
 if $rows != 1 then
   return -1
 endi
 
 if $data01 != 1.000000000 then
+  print expect 1.000000000, actual: $data01
   return -1
 endi
 if $data02 != t2 then
diff --git a/tests/script/tsim/parser/limit_stb.sim b/tests/script/tsim/parser/limit_stb.sim
index 0d0e4a8ea31d69a65357af2bd57f3ff3640b3fbe..a0aff953cfb6a2a31ff3f650589cbc9480a0394b 100644
--- a/tests/script/tsim/parser/limit_stb.sim
+++ b/tests/script/tsim/parser/limit_stb.sim
@@ -360,6 +360,7 @@ endi
 #sql select max(c1), min(c2), avg(c3), sum(c5), spread(c6), first(c7), last(c8), first(c9) from lm_stb0 where ts >= '2018-09-17 09:00:00.000' and ts <= '2018-09-17 10:30:00.000' and c1 > 1 and c2 < 9 and c3 > 2 and c4 < 8 and c5 > 3 and c6 < 7 and c7 > 0 and c8 like '%5' and t1 > 3 and t1 < 6 limit 1 offset 0;
 sql select max(c1), min(c2), avg(c3), sum(c5), spread(c6), first(c7), last(c8), first(c9) from lm_stb0 where ts >= '2018-09-17 09:00:00.000' and ts <= '2018-09-17 10:30:00.000' and c1 > 1 and c2 < 9 and c3 > 2 and c4 < 8 and c5 > 3 and c6 < 7 and c7 = true and c8 like '%5' and t1 > 3 and t1 < 6 limit 1 offset 0;
 if $rows != 1 then
+  print expect 1, actual: $rows
   return -1
 endi
 if $data00 != 5 then