diff --git a/source/libs/executor/src/tfill.c b/source/libs/executor/src/tfill.c
index f6fd8c8920..27b8e83a20 100644
--- a/source/libs/executor/src/tfill.c
+++ b/source/libs/executor/src/tfill.c
@@ -706,6 +706,9 @@ void* destroyStreamFillSupporter(SStreamFillSupporter* pFillSup) {
   pFillSup->pAllColInfo = destroyFillColumnInfo(pFillSup->pAllColInfo, pFillSup->numOfFillCols, pFillSup->numOfAllCols);
   tSimpleHashCleanup(pFillSup->pResMap);
   pFillSup->pResMap = NULL;
+  streamStateReleaseBuf(NULL, NULL, pFillSup->cur.pRowVal);
+  pFillSup->cur.pRowVal = NULL;
+
   taosMemoryFree(pFillSup);
   return NULL;
 }
@@ -722,6 +725,7 @@ void* destroyStreamFillInfo(SStreamFillInfo* pFillInfo) {
     taosMemoryFreeClear(pFillInfo->pResRow);
   }
   pFillInfo->pLinearInfo = destroyStreamFillLinearInfo(pFillInfo->pLinearInfo);
+  taosArrayDestroy(pFillInfo->delRanges);
   taosMemoryFree(pFillInfo);
   return NULL;
 }
@@ -732,6 +736,8 @@ void destroyStreamFillOperatorInfo(void* param) {
   pInfo->pFillSup = destroyStreamFillSupporter(pInfo->pFillSup);
   pInfo->pRes = blockDataDestroy(pInfo->pRes);
   pInfo->pSrcBlock = blockDataDestroy(pInfo->pSrcBlock);
+  pInfo->pPrevSrcBlock = blockDataDestroy(pInfo->pPrevSrcBlock);
+  pInfo->pDelRes = blockDataDestroy(pInfo->pDelRes);
   pInfo->pColMatchColInfo = taosArrayDestroy(pInfo->pColMatchColInfo);
   taosMemoryFree(pInfo);
 }
@@ -743,6 +749,7 @@ static void resetFillWindow(SResultRowData* pRowData) {
 
 void resetPrevAndNextWindow(SStreamFillSupporter* pFillSup, SStreamState* pState) {
   resetFillWindow(&pFillSup->prev);
+  streamStateReleaseBuf(NULL, NULL, pFillSup->cur.pRowVal);
   resetFillWindow(&pFillSup->cur);
   resetFillWindow(&pFillSup->next);
   resetFillWindow(&pFillSup->nextNext);
@@ -753,12 +760,12 @@ void getCurWindowFromDiscBuf(SOperatorInfo* pOperator, TSKEY ts, uint64_t groupI
   resetPrevAndNextWindow(pFillSup, pState);
 
   SWinKey key = {.ts = ts, .groupId = groupId};
-  void*   curVal = NULL;
+  // void*   curVal = NULL;
   int32_t curVLen = 0;
-  int32_t code = streamStateFillGet(pState, &key, (void**)&curVal, &curVLen);
+  int32_t code = streamStateFillGet(pState, &key, (void**)&pFillSup->cur.pRowVal, &curVLen);
   ASSERT(code == TSDB_CODE_SUCCESS);
   pFillSup->cur.key = key.ts;
-  pFillSup->cur.pRowVal = curVal;
+  // pFillSup->cur.pRowVal = curVal;
 }
 
 void getWindowFromDiscBuf(SOperatorInfo* pOperator, TSKEY ts, uint64_t groupId, SStreamFillSupporter* pFillSup) {
@@ -777,11 +784,9 @@ void getWindowFromDiscBuf(SOperatorInfo* pOperator, TSKEY ts, uint64_t groupId,
   SWinKey          preKey = {.groupId = groupId};
   void*            preVal = NULL;
   int32_t          preVLen = 0;
-  if (pCur) {
-    code = streamStateGetGroupKVByCur(pCur, &preKey, (const void**)&preVal, &preVLen);
-  }
+  code = streamStateGetGroupKVByCur(pCur, &preKey, (const void**)&preVal, &preVLen);
 
-  if (pCur && code == TSDB_CODE_SUCCESS) {
+  if (code == TSDB_CODE_SUCCESS) {
     pFillSup->prev.key = preKey.ts;
     pFillSup->prev.pRowVal = preVal;
 
@@ -790,35 +795,36 @@ void getWindowFromDiscBuf(SOperatorInfo* pOperator, TSKEY ts, uint64_t groupId,
 
     code = streamStateCurNext(pState, pCur);
     if (code != TSDB_CODE_SUCCESS) {
+      streamStateFreeCur(pCur);
       pCur = NULL;
     }
   } else {
+    streamStateFreeCur(pCur);
     pCur = streamStateFillSeekKeyNext(pState, &key);
   }
 
-  if (pCur) {
-    SWinKey nextKey = {.groupId = groupId};
-    void*   nextVal = NULL;
-    int32_t nextVLen = 0;
-    code = streamStateGetGroupKVByCur(pCur, &nextKey, (const void**)&nextVal, &nextVLen);
-    if (code == TSDB_CODE_SUCCESS) {
-      pFillSup->next.key = nextKey.ts;
-      pFillSup->next.pRowVal = nextVal;
-      if (pFillSup->type == TSDB_FILL_PREV || pFillSup->type == TSDB_FILL_NEXT) {
-        code = streamStateCurNext(pState, pCur);
+  SWinKey nextKey = {.groupId = groupId};
+  void*   nextVal = NULL;
+  int32_t nextVLen = 0;
+  code = streamStateGetGroupKVByCur(pCur, &nextKey, (const void**)&nextVal, &nextVLen);
+  if (code == TSDB_CODE_SUCCESS) {
+    pFillSup->next.key = nextKey.ts;
+    pFillSup->next.pRowVal = nextVal;
+    if (pFillSup->type == TSDB_FILL_PREV || pFillSup->type == TSDB_FILL_NEXT) {
+      code = streamStateCurNext(pState, pCur);
+      if (code == TSDB_CODE_SUCCESS) {
+        SWinKey nextNextKey = {.groupId = groupId};
+        void*   nextNextVal = NULL;
+        int32_t nextNextVLen = 0;
+        code = streamStateGetGroupKVByCur(pCur, &nextNextKey, (const void**)&nextNextVal, &nextNextVLen);
         if (code == TSDB_CODE_SUCCESS) {
-          SWinKey nextNextKey = {.groupId = groupId};
-          void*   nextNextVal = NULL;
-          int32_t nextNextVLen = 0;
-          code = streamStateGetGroupKVByCur(pCur, &nextNextKey, (const void**)&nextNextVal, &nextNextVLen);
-          if (code == TSDB_CODE_SUCCESS) {
-            pFillSup->nextNext.key = nextNextKey.ts;
-            pFillSup->nextNext.pRowVal = nextNextVal;
-          }
+          pFillSup->nextNext.key = nextNextKey.ts;
+          pFillSup->nextNext.pRowVal = nextNextVal;
         }
       }
     }
   }
+  streamStateFreeCur(pCur);
 }
 
 static bool hasPrevWindow(SStreamFillSupporter* pFillSup) { return pFillSup->prev.key != INT64_MIN; }
@@ -1388,6 +1394,7 @@ static void doDeleteFillResult(SOperatorInfo* pOperator) {
       }
       pInfo->srcDelRowIndex++;
     }
+    streamStateFreeCur(pCur);
     doDeleteFillResultImpl(pOperator, ts, endTs, groupId);
   }
   pFillInfo->current = pFillInfo->end + 1;
@@ -1538,9 +1545,12 @@ static int32_t initResultBuf(SStreamFillSupporter* pFillSup) {
   pFillSup->next.key = INT64_MIN;
   pFillSup->nextNext.key = INT64_MIN;
   pFillSup->prev.key = INT64_MIN;
+  pFillSup->cur.key = INT64_MIN;
   pFillSup->next.pRowVal = NULL;
   pFillSup->nextNext.pRowVal = NULL;
   pFillSup->prev.pRowVal = NULL;
+  pFillSup->cur.pRowVal = NULL;
+
   return TSDB_CODE_SUCCESS;
 }
 
diff --git a/source/libs/executor/src/timewindowoperator.c b/source/libs/executor/src/timewindowoperator.c
index dceb696d54..8df6f15a1b 100644
--- a/source/libs/executor/src/timewindowoperator.c
+++ b/source/libs/executor/src/timewindowoperator.c
@@ -879,7 +879,12 @@ static void removeResults(SArray* pWins, SHashObj* pUpdatedMap) {
   int32_t size = taosArrayGetSize(pWins);
   for (int32_t i = 0; i < size; i++) {
     SWinKey* pW = taosArrayGet(pWins, i);
-    taosHashRemove(pUpdatedMap, pW, sizeof(SWinKey));
+    void*    tmp = taosHashGet(pUpdatedMap, pW, sizeof(SWinKey));
+    if (tmp) {
+      void* value = *(void**)tmp;
+      taosMemoryFree(value);
+      taosHashRemove(pUpdatedMap, pW, sizeof(SWinKey));
+    }
   }
 }
 
@@ -1410,7 +1415,12 @@ static void doDeleteWindows(SOperatorInfo* pOperator, SInterval* pInterval, int3
         taosArrayPush(pUpWins, &winRes);
       }
       if (pUpdatedMap) {
-        taosHashRemove(pUpdatedMap, &winRes, sizeof(SWinKey));
+        void* tmp = taosHashGet(pUpdatedMap, &winRes, sizeof(SWinKey));
+        if (tmp) {
+          void* value = *(void**)tmp;
+          taosMemoryFree(value);
+          taosHashRemove(pUpdatedMap, &winRes, sizeof(SWinKey));
+        }
       }
       getNextTimeWindow(pInterval, pInterval->precision, TSDB_ORDER_ASC, &win);
     } while (win.ekey <= endTsCols[i]);
@@ -2872,12 +2882,13 @@ static void rebuildIntervalWindow(SOperatorInfo* pOperator, SExprSupp* pSup, SAr
                    pChildSup->rowEntryInfoOffset, &pChInfo->aggSup);
       updateTimeWindowInfo(&pInfo->twAggSup.timeWindowData, &parentWin, true);
       compactFunctions(pSup->pCtx, pChildSup->pCtx, numOfOutput, pTaskInfo, &pInfo->twAggSup.timeWindowData);
+      releaseOutputBuf(pChInfo->pState, pWinRes, pChResult);
     }
     if (num > 0 && pUpdatedMap) {
       saveWinResultInfo(pCurResult->win.skey, pWinRes->groupId, pUpdatedMap);
       saveOutputBuf(pInfo->pState, pWinRes, pCurResult, pInfo->aggSup.resultRowSize);
-      releaseOutputBuf(pInfo->pState, pWinRes, pCurResult);
     }
+    releaseOutputBuf(pInfo->pState, pWinRes, pCurResult);
   }
 }
 
@@ -2891,9 +2902,7 @@ bool isDeletedWindow(STimeWindow* pWin, uint64_t groupId, SAggSupporter* pSup) {
 bool isDeletedStreamWindow(STimeWindow* pWin, uint64_t groupId, SStreamState* pState, STimeWindowAggSupp* pTwSup) {
   if (pWin->ekey < pTwSup->maxTs - pTwSup->deleteMark) {
     SWinKey key = {.ts = pWin->skey, .groupId = groupId};
-    void*   pVal = NULL;
-    int32_t size = 0;
-    if (streamStateGet(pState, &key, &pVal, &size) == TSDB_CODE_SUCCESS) {
+    if (streamStateGet(pState, &key, NULL, 0) == TSDB_CODE_SUCCESS) {
       return false;
     }
     return true;
diff --git a/source/libs/stream/src/streamState.c b/source/libs/stream/src/streamState.c
index da0d0fbd6d..596c16747b 100644
--- a/source/libs/stream/src/streamState.c
+++ b/source/libs/stream/src/streamState.c
@@ -196,6 +196,7 @@ int32_t streamStateClear(SStreamState* pState) {
     SStreamStateCur* pCur = streamStateSeekKeyNext(pState, &key);
     SWinKey          delKey = {0};
     int32_t          code = streamStateGetKVByCur(pCur, &delKey, NULL, 0);
+    streamStateFreeCur(pCur);
     if (code == 0) {
       streamStateDel(pState, &delKey);
     } else {
@@ -225,6 +226,9 @@ int32_t streamStateAddIfNotExist(SStreamState* pState, const SWinKey* key, void*
 
 int32_t streamStateReleaseBuf(SStreamState* pState, const SWinKey* key, void* pVal) {
   // todo refactor
+  if (!pVal) {
+    return 0;
+  }
   streamFreeVal(pVal);
   return 0;
 }
@@ -236,7 +240,7 @@ SStreamStateCur* streamStateGetCur(SStreamState* pState, const SWinKey* key) {
 
   int32_t   c;
   SStateKey sKey = {.key = *key, .opNum = pState->number};
-  tdbTbcMoveTo(pCur->pCur, key, sizeof(SWinKey), &c);
+  tdbTbcMoveTo(pCur->pCur, &sKey, sizeof(SStateKey), &c);
   if (c != 0) {
     taosMemoryFree(pCur);
     return NULL;
@@ -253,7 +257,7 @@ SStreamStateCur* streamStateFillGetCur(SStreamState* pState, const SWinKey* key)
   int32_t c;
   tdbTbcMoveTo(pCur->pCur, key, sizeof(SWinKey), &c);
   if (c != 0) {
-    taosMemoryFree(pCur);
+    streamStateFreeCur(pCur);
     return NULL;
   }
   return pCur;
@@ -266,6 +270,7 @@ SStreamStateCur* streamStateGetAndCheckCur(SStreamState* pState, SWinKey* key) {
     if (code == 0) {
       return pCur;
     }
+    streamStateFreeCur(pCur);
   }
   return NULL;
 }
@@ -300,6 +305,9 @@ int32_t streamStateFillGetKVByCur(SStreamStateCur* pCur, SWinKey* pKey, const vo
 }
 
 int32_t streamStateGetGroupKVByCur(SStreamStateCur* pCur, SWinKey* pKey, const void** pVal, int32_t* pVLen) {
+  if (!pCur) {
+    return -1;
+  }
   uint64_t groupId = pKey->groupId;
   int32_t  code = streamStateFillGetKVByCur(pCur, pKey, pVal, pVLen);
   if (code == 0) {
@@ -360,7 +368,7 @@ SStreamStateCur* streamStateSeekKeyNext(SStreamState* pState, const SWinKey* key
 
 SStreamStateCur* streamStateFillSeekKeyNext(SStreamState* pState, const SWinKey* key) {
   SStreamStateCur* pCur = taosMemoryCalloc(1, sizeof(SStreamStateCur));
-  if (pCur == NULL) {
+  if (!pCur) {
     return NULL;
   }
   if (tdbTbcOpen(pState->pFillStateDb, &pCur->pCur, NULL) < 0) {
@@ -411,6 +419,9 @@ SStreamStateCur* streamStateFillSeekKeyPrev(SStreamState* pState, const SWinKey*
 }
 
 int32_t streamStateCurNext(SStreamState* pState, SStreamStateCur* pCur) {
+  if (!pCur) {
+    return -1;
+  }
   //
   return tdbTbcMoveToNext(pCur->pCur);
 }
diff --git a/tests/script/tsim/stream/distributeIntervalRetrive0.sim b/tests/script/tsim/stream/distributeIntervalRetrive0.sim
index 79edea2a3c..bea70b1639 100644
--- a/tests/script/tsim/stream/distributeIntervalRetrive0.sim
+++ b/tests/script/tsim/stream/distributeIntervalRetrive0.sim
@@ -3,12 +3,15 @@ system sh/deploy.sh -n dnode1 -i 1
 system sh/deploy.sh -n dnode2 -i 2
 
 system sh/exec.sh -n dnode1 -s start 
+#==system sh/exec.sh -n dnode1 -s start -v
+
 sleep 50
 sql connect
 
 sql create dnode $hostname2 port 7200
 
 system sh/exec.sh -n dnode2 -s start
+#==system sh/exec.sh -n dnode2 -s start -v
 
 print ===== step1
 $x = 0
@@ -232,4 +235,41 @@ endi
 
 print loop3 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 
+
+#==if $system_content == $null then
+#==  return -1
+#==endi
+
+
+
+#==system sh/exec.sh -n dnode2 -s stop -x SIGINT
+#==print =============== check
+#==$null=
+
+#==system_content sh/checkValgrind.sh -n dnode2 
+#==print cmd return result ----> [ $system_content ]
+#==if $system_content > 0 then
+#==  return -1
+#==endi 
+
+#==if $system_content == $null then
+#==  return -1
+#==endi
+#==return 1
+
+
+
 system sh/stop_dnodes.sh
diff --git a/tests/script/tsim/stream/fillIntervalDelete1.sim b/tests/script/tsim/stream/fillIntervalDelete1.sim
index 8e6972975e..e14062e830 100644
--- a/tests/script/tsim/stream/fillIntervalDelete1.sim
+++ b/tests/script/tsim/stream/fillIntervalDelete1.sim
@@ -4,6 +4,8 @@ looptest:
 system sh/stop_dnodes.sh
 system sh/deploy.sh -n dnode1 -i 1
 system sh/exec.sh -n dnode1 -s start
+#==system sh/exec.sh -n dnode1 -s start -v
+
 sleep 200
 sql connect
 
@@ -353,6 +355,22 @@ endi
 
 
 
+#==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 
+
+#==if $system_content == $null then
+#==  return -1
+#==endi
+#==return 1
+
+
 
 
 sql drop stream if exists streams0;
diff --git a/tests/script/tsim/stream/fillIntervalLinear.sim b/tests/script/tsim/stream/fillIntervalLinear.sim
index 46ff785fd3..4d0f101b6c 100644
--- a/tests/script/tsim/stream/fillIntervalLinear.sim
+++ b/tests/script/tsim/stream/fillIntervalLinear.sim
@@ -4,6 +4,8 @@ looptest:
 system sh/stop_dnodes.sh
 system sh/deploy.sh -n dnode1 -i 1
 system sh/exec.sh -n dnode1 -s start
+#==system sh/exec.sh -n dnode1 -s start -v
+
 sleep 200
 sql connect
 
@@ -671,6 +673,22 @@ endi
 
 
 
+
+
+#==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 
+
+#==if $system_content == $null then
+#==  return -1
+#==endi
+#==return 1
 
 
 sql drop stream if exists streams0;
diff --git a/tests/script/tsim/stream/fillIntervalPrevNext.sim b/tests/script/tsim/stream/fillIntervalPrevNext.sim
index 5eab5fdac1..4eadd7e7b1 100644
--- a/tests/script/tsim/stream/fillIntervalPrevNext.sim
+++ b/tests/script/tsim/stream/fillIntervalPrevNext.sim
@@ -4,6 +4,8 @@ looptest:
 system sh/stop_dnodes.sh
 system sh/deploy.sh -n dnode1 -i 1
 system sh/exec.sh -n dnode1 -s start
+#==system sh/exec.sh -n dnode1 -s start -v
+
 sleep 200
 sql connect
 
@@ -1011,6 +1013,21 @@ endi
 
 
 
+
+#==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 
+
+#==if $system_content == $null then
+#==  return -1
+#==endi
+#==return 1
 
 
 
diff --git a/tests/script/tsim/stream/fillIntervalValue.sim b/tests/script/tsim/stream/fillIntervalValue.sim
index 113eae9270..49e68ae9f2 100644
--- a/tests/script/tsim/stream/fillIntervalValue.sim
+++ b/tests/script/tsim/stream/fillIntervalValue.sim
@@ -4,6 +4,7 @@ looptest:
 system sh/stop_dnodes.sh
 system sh/deploy.sh -n dnode1 -i 1
 system sh/exec.sh -n dnode1 -s start
+#==system sh/exec.sh -n dnode1 -s start -v
 sleep 200
 sql connect
 
@@ -463,6 +464,20 @@ endi
 
 
 
+#==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 
+
+#==if $system_content == $null then
+#==  return -1
+#==endi
+#==return 1