diff --git a/source/libs/executor/src/executorimpl.c b/source/libs/executor/src/executorimpl.c
index 6e341de962..9270b0da4e 100644
--- a/source/libs/executor/src/executorimpl.c
+++ b/source/libs/executor/src/executorimpl.c
@@ -3297,6 +3297,7 @@ void doFilter(const SNode* pFilterNode, SSDataBlock* pBlock) {
 
   int8_t* rowRes = NULL;
   bool    keep = filterExecute(filter, pBlock, &rowRes, NULL, param1.numOfCols);
+  filterFreeInfo(filter);
 
   SSDataBlock* px = createOneDataBlock(pBlock);
   blockDataEnsureCapacity(px, pBlock->info.rows);
@@ -3306,19 +3307,25 @@ void doFilter(const SNode* pFilterNode, SSDataBlock* pBlock) {
   for (int32_t i = 0; i < pBlock->info.numOfCols; ++i) {
     SColumnInfoData* pDst = taosArrayGet(px->pDataBlock, i);
     SColumnInfoData* pSrc = taosArrayGet(pBlock->pDataBlock, i);
+    if (keep) {
+      colDataAssign(pDst, pSrc, pBlock->info.rows);
+      numOfRow = pBlock->info.rows;
+    } else if (NULL != rowRes) {
+      numOfRow = 0;
+      for (int32_t j = 0; j < pBlock->info.rows; ++j) {
+        if (rowRes[j] == 0) {
+          continue;
+        }
 
-    numOfRow = 0;
-    for (int32_t j = 0; j < pBlock->info.rows; ++j) {
-      if (rowRes[j] == 0) {
-        continue;
+        if (colDataIsNull_s(pSrc, j)) {
+          colDataAppendNULL(pDst, numOfRow);
+        } else {
+          colDataAppend(pDst, numOfRow, colDataGetData(pSrc, j), false);
+        }
+        numOfRow += 1;
       }
-
-      if (colDataIsNull_s(pSrc, j)) {
-        colDataAppendNULL(pDst, numOfRow);
-      } else {
-        colDataAppend(pDst, numOfRow, colDataGetData(pSrc, j), false);
-      }
-      numOfRow += 1;
+    } else {
+      numOfRow = 0;
     }
 
     *pSrc = *pDst;
diff --git a/source/libs/executor/src/scanoperator.c b/source/libs/executor/src/scanoperator.c
index c95be2f99d..9eb37d7667 100644
--- a/source/libs/executor/src/scanoperator.c
+++ b/source/libs/executor/src/scanoperator.c
@@ -597,6 +597,7 @@ static SSDataBlock* doFilterResult(SSysTableScanInfo* pInfo) {
 
   int8_t* rowRes = NULL;
   bool    keep = filterExecute(filter, pInfo->pRes, &rowRes, NULL, param1.numOfCols);
+  filterFreeInfo(filter);
 
   SSDataBlock* px = createOneDataBlock(pInfo->pRes);
   blockDataEnsureCapacity(px, pInfo->pRes->info.rows);
@@ -607,14 +608,21 @@ static SSDataBlock* doFilterResult(SSysTableScanInfo* pInfo) {
     SColumnInfoData* pDest = taosArrayGet(px->pDataBlock, i);
     SColumnInfoData* pSrc = taosArrayGet(pInfo->pRes->pDataBlock, i);
 
-    numOfRow = 0;
-    for (int32_t j = 0; j < pInfo->pRes->info.rows; ++j) {
-      if (rowRes[j] == 0) {
-        continue;
+    if (keep) {
+      colDataAssign(pDest, pSrc, pInfo->pRes->info.rows);
+      numOfRow = pInfo->pRes->info.rows;
+    } else if (NULL != rowRes) {
+      numOfRow = 0;
+      for (int32_t j = 0; j < pInfo->pRes->info.rows; ++j) {
+        if (rowRes[j] == 0) {
+          continue;
+        }
+      
+        colDataAppend(pDest, numOfRow, colDataGetData(pSrc, j), false);
+        numOfRow += 1;
       }
-
-      colDataAppend(pDest, numOfRow, colDataGetData(pSrc, j), false);
-      numOfRow += 1;
+    } else {
+      numOfRow = 0;
     }
   }
 
diff --git a/source/libs/scalar/src/filter.c b/source/libs/scalar/src/filter.c
index 16236fc05b..c780ed5725 100644
--- a/source/libs/scalar/src/filter.c
+++ b/source/libs/scalar/src/filter.c
@@ -1797,6 +1797,7 @@ int32_t fltInitValFieldData(SFilterInfo *info) {
       } else {
         SScalarParam out = {.columnData = taosMemoryCalloc(1, sizeof(SColumnInfoData))};
         out.columnData->info.type = type;
+        out.columnData->info.bytes = tDataTypes[type].bytes;
 
         // todo refactor the convert
         int32_t code = doConvertDataType(var, &out);
@@ -1804,6 +1805,8 @@ int32_t fltInitValFieldData(SFilterInfo *info) {
           qError("convert value to type[%d] failed", type);
           return TSDB_CODE_TSC_INVALID_OPERATION;
         }
+
+        memcpy(fi->data, out.columnData->pData, out.columnData->info.bytes);
       }
     }
 
@@ -3638,6 +3641,10 @@ int32_t fltGetDataFromSlotId(void *param, int32_t id, void **data) {
 
 
 int32_t filterSetDataFromSlotId(SFilterInfo *info, void *param) {
+  if (NULL == info) {
+    return TSDB_CODE_QRY_INVALID_INPUT;
+  }
+  
   return fltSetColFieldDataImpl(info, param, fltGetDataFromSlotId, false);
 }
 
@@ -3691,6 +3698,10 @@ _return:
 }
 
 bool filterExecute(SFilterInfo *info, SSDataBlock *pSrc, int8_t** p, SColumnDataAgg *statis, int16_t numOfCols) {
+  if (NULL == info) {
+    return false;
+  }
+
   if (info->scalarMode) {
     SScalarParam output = {0};
 
diff --git a/tests/script/tsim/query/stddev.sim b/tests/script/tsim/query/stddev.sim
index 01cde31966..adab1c354d 100644
--- a/tests/script/tsim/query/stddev.sim
+++ b/tests/script/tsim/query/stddev.sim
@@ -121,4 +121,4 @@ if $rows != 0 then
   return -1
 endi
 
-system sh/exec.sh -n dnode1 -s stop -x SIGINT
\ No newline at end of file
+system sh/exec.sh -n dnode1 -s stop -x SIGINT