diff --git a/include/libs/wal/wal.h b/include/libs/wal/wal.h
index 7e2d09dd63..00a36391fa 100644
--- a/include/libs/wal/wal.h
+++ b/include/libs/wal/wal.h
@@ -64,6 +64,7 @@ typedef struct {
   int64_t verInSnapshotting;
   int64_t snapshotVer;
   int64_t commitVer;
+  int64_t appliedVer;
   int64_t lastVer;
 } SWalVer;
 
@@ -172,6 +173,9 @@ int32_t walRollback(SWal *, int64_t ver);
 int32_t walBeginSnapshot(SWal *, int64_t ver);
 int32_t walEndSnapshot(SWal *);
 int32_t walRestoreFromSnapshot(SWal *, int64_t ver);
+// for tq
+int32_t walApplyVer(SWal *, int64_t ver);
+
 // int32_t  walDataCorrupted(SWal*);
 
 // read
@@ -186,7 +190,6 @@ void    walSetReaderCapacity(SWalReader *pRead, int32_t capacity);
 int32_t walFetchHead(SWalReader *pRead, int64_t ver, SWalCkHead *pHead);
 int32_t walFetchBody(SWalReader *pRead, SWalCkHead **ppHead);
 int32_t walSkipFetchBody(SWalReader *pRead, const SWalCkHead *pHead);
-
 typedef struct {
   int64_t refId;
   int64_t ver;
@@ -206,6 +209,7 @@ int64_t walGetFirstVer(SWal *);
 int64_t walGetSnapshotVer(SWal *);
 int64_t walGetLastVer(SWal *);
 int64_t walGetCommittedVer(SWal *);
+int64_t walGetAppliedVer(SWal *);
 
 #ifdef __cplusplus
 }
diff --git a/source/dnode/mnode/impl/src/mndConsumer.c b/source/dnode/mnode/impl/src/mndConsumer.c
index 315b7c3afc..f7387f7e88 100644
--- a/source/dnode/mnode/impl/src/mndConsumer.c
+++ b/source/dnode/mnode/impl/src/mndConsumer.c
@@ -265,6 +265,10 @@ static int32_t mndProcessMqHbReq(SRpcMsg *pMsg) {
   int64_t   consumerId = be64toh(pReq->consumerId);
 
   SMqConsumerObj *pConsumer = mndAcquireConsumer(pMnode, consumerId);
+  if (pConsumer == NULL) {
+    terrno = TSDB_CODE_MND_CONSUMER_NOT_EXIST;
+    return -1;
+  }
 
   atomic_store_32(&pConsumer->hbStatus, 0);
 
diff --git a/source/dnode/vnode/src/tq/tqPush.c b/source/dnode/vnode/src/tq/tqPush.c
index c929c84203..4c0d416ad1 100644
--- a/source/dnode/vnode/src/tq/tqPush.c
+++ b/source/dnode/vnode/src/tq/tqPush.c
@@ -237,6 +237,8 @@ int32_t tqPushMsgNew(STQ* pTq, void* msg, int32_t msgLen, tmsg_t msgType, int64_
 #endif
 
 int tqPushMsg(STQ* pTq, void* msg, int32_t msgLen, tmsg_t msgType, int64_t ver) {
+  walApplyVer(pTq->pVnode->pWal, ver);
+
   if (msgType == TDMT_VND_SUBMIT) {
     if (taosHashGetSize(pTq->pStreamTasks) == 0) return 0;
 
@@ -253,4 +255,3 @@ int tqPushMsg(STQ* pTq, void* msg, int32_t msgLen, tmsg_t msgType, int64_t ver)
 
   return 0;
 }
-
diff --git a/source/dnode/vnode/src/tsdb/tsdbRead.c b/source/dnode/vnode/src/tsdb/tsdbRead.c
index 6c3d0648e0..c1778ed5ca 100644
--- a/source/dnode/vnode/src/tsdb/tsdbRead.c
+++ b/source/dnode/vnode/src/tsdb/tsdbRead.c
@@ -1455,7 +1455,6 @@ static bool keyOverlapFileBlock(TSDBKEY key, SBlock* pBlock, SVersionRange* pVer
          (pBlock->minVersion <= pVerRange->maxVer);
 }
 
-
 static bool doCheckforDatablockOverlap(STableBlockScanInfo* pBlockScanInfo, const SBlock* pBlock) {
   size_t num = taosArrayGetSize(pBlockScanInfo->delSkyline);
 
@@ -1507,7 +1506,7 @@ static bool overlapWithDelSkyline(STableBlockScanInfo* pBlockScanInfo, const SBl
     return doCheckforDatablockOverlap(pBlockScanInfo, pBlock);
   } else {
     int32_t index = pBlockScanInfo->fileDelIndex;
-    while(1) {
+    while (1) {
       TSDBKEY* p = taosArrayGet(pBlockScanInfo->delSkyline, index);
       if (p->ts > pBlock->minKey.ts && index > 0) {
         index -= 1;
@@ -2808,7 +2807,7 @@ int32_t tsdbReaderOpen(SVnode* pVnode, SQueryTableDataCond* pCond, SArray* pTabl
 
   if (pCond->suid != 0) {
     (*ppReader)->pSchema = metaGetTbTSchema((*ppReader)->pTsdb->pVnode->pMeta, (*ppReader)->suid, -1);
-    ASSERT((*ppReader)->pSchema);
+    // ASSERT((*ppReader)->pSchema);
   } else if (taosArrayGetSize(pTableList) > 0) {
     STableKeyInfo* pKey = taosArrayGet(pTableList, 0);
     (*ppReader)->pSchema = metaGetTbTSchema((*ppReader)->pTsdb->pVnode->pMeta, pKey->uid, -1);
diff --git a/source/dnode/vnode/src/vnd/vnodeSvr.c b/source/dnode/vnode/src/vnd/vnodeSvr.c
index 8e59d97286..e6d116dfef 100644
--- a/source/dnode/vnode/src/vnd/vnodeSvr.c
+++ b/source/dnode/vnode/src/vnd/vnodeSvr.c
@@ -878,6 +878,8 @@ _exit:
     tdProcessRSmaSubmit(pVnode->pSma, pReq, STREAM_INPUT__DATA_SUBMIT);
   }
 
+  vDebug("successful submit in vg %d version %ld", pVnode->config.vgId, version);
+
   return 0;
 }
 
diff --git a/source/libs/executor/src/timewindowoperator.c b/source/libs/executor/src/timewindowoperator.c
index b0a74c3002..d206f56ec3 100644
--- a/source/libs/executor/src/timewindowoperator.c
+++ b/source/libs/executor/src/timewindowoperator.c
@@ -660,6 +660,62 @@ void printDataBlock(SSDataBlock* pBlock, const char* flag) {
   taosMemoryFree(pBuf);
 }
 
+typedef int32_t (*__compare_fn_t)(void* pKey, void* data, int32_t index);
+
+int32_t binarySearchCom(void* keyList, int num, void* pKey, int order, __compare_fn_t comparefn) {
+  int firstPos = 0, lastPos = num - 1, midPos = -1;
+  int numOfRows = 0;
+
+  if (num <= 0) return -1;
+  if (order == TSDB_ORDER_DESC) {
+    // find the first position which is smaller or equal than the key
+    while (1) {
+      if (comparefn(pKey, keyList, lastPos) >= 0) return lastPos;
+      if (comparefn(pKey, keyList, firstPos) == 0) return firstPos;
+      if (comparefn(pKey, keyList, firstPos) < 0) return firstPos - 1;
+
+      numOfRows = lastPos - firstPos + 1;
+      midPos = (numOfRows >> 1) + firstPos;
+
+      if (comparefn(pKey, keyList, midPos) < 0) {
+        lastPos = midPos - 1;
+      } else if (comparefn(pKey, keyList, midPos) > 0) {
+        firstPos = midPos + 1;
+      } else {
+        break;
+      }
+    }
+
+  } else {
+    // find the first position which is bigger or equal than the key
+    while (1) {
+      if (comparefn(pKey, keyList, firstPos) <= 0) return firstPos;
+      if (comparefn(pKey, keyList, lastPos) == 0) return lastPos;
+
+      if (comparefn(pKey, keyList, lastPos) > 0) {
+        lastPos = lastPos + 1;
+        if (lastPos >= num)
+          return -1;
+        else
+          return lastPos;
+      }
+
+      numOfRows = lastPos - firstPos + 1;
+      midPos = (numOfRows >> 1) + firstPos;
+
+      if (comparefn(pKey, keyList, midPos) < 0) {
+        lastPos = midPos - 1;
+      } else if (comparefn(pKey, keyList, midPos) > 0) {
+        firstPos = midPos + 1;
+      } else {
+        break;
+      }
+    }
+  }
+
+  return midPos;
+}
+
 typedef int64_t (*__get_value_fn_t)(void* data, int32_t index);
 
 int32_t binarySearch(void* keyList, int num, TSKEY key, int order, __get_value_fn_t getValuefn) {
@@ -722,14 +778,31 @@ int64_t getReskey(void* data, int32_t index) {
   return *(int64_t*)pos->key;
 }
 
+int32_t compareResKey(void* pKey, void* data, int32_t index) {
+  SArray*     res = (SArray*)data;
+  SResKeyPos* pos = taosArrayGetP(res, index);
+  SWinRes*    pData = (SWinRes*) pKey;
+  if (pData->ts == *(int64_t*)pos->key) {
+    if (pData->groupId > pos->groupId) {
+      return 1;
+    } else if (pData->groupId < pos->groupId) {
+      return -1;
+    }
+    return 0;
+  } else if (pData->ts > *(int64_t*)pos->key) {
+    return 1;
+  }
+  return -1;
+}
+
 static int32_t saveResult(int64_t ts, int32_t pageId, int32_t offset, uint64_t groupId, SArray* pUpdated) {
   int32_t size = taosArrayGetSize(pUpdated);
-  int32_t index = binarySearch(pUpdated, size, ts, TSDB_ORDER_DESC, getReskey);
+  SWinRes data = {.ts = ts, .groupId = groupId};
+  int32_t index = binarySearchCom(pUpdated, size, &data, TSDB_ORDER_DESC, compareResKey);
   if (index == -1) {
     index = 0;
   } else {
-    TSKEY resTs = getReskey(pUpdated, index);
-    if (resTs < ts) {
+    if (compareResKey(&data, pUpdated, index) > 0) {
       index++;
     } else {
       return TSDB_CODE_SUCCESS;
@@ -753,10 +826,10 @@ static int32_t saveResultRow(SResultRow* result, uint64_t groupId, SArray* pUpda
   return saveResult(result->win.skey, result->pageId, result->offset, groupId, pUpdated);
 }
 
-static void removeResult(SArray* pUpdated, TSKEY key) {
+static void removeResult(SArray* pUpdated, SWinRes* pKey) {
   int32_t size = taosArrayGetSize(pUpdated);
-  int32_t index = binarySearch(pUpdated, size, key, TSDB_ORDER_DESC, getReskey);
-  if (index >= 0 && key == getReskey(pUpdated, index)) {
+  int32_t index = binarySearchCom(pUpdated, size, pKey, TSDB_ORDER_DESC, compareResKey);
+  if (index >= 0 && 0 == compareResKey(pKey, pUpdated, index)) {
     taosArrayRemove(pUpdated, index);
   }
 }
@@ -765,7 +838,7 @@ static void removeResults(SArray* pWins, SArray* pUpdated) {
   int32_t size = taosArrayGetSize(pWins);
   for (int32_t i = 0; i < size; i++) {
     SWinRes* pW = taosArrayGet(pWins, i);
-    removeResult(pUpdated, pW->ts);
+    removeResult(pUpdated, pW);
   }
 }
 
@@ -775,14 +848,30 @@ int64_t getWinReskey(void* data, int32_t index) {
   return pos->ts;
 }
 
+int32_t compareWinRes(void* pKey, void* data, int32_t index) {
+  SArray*     res = (SArray*)data;
+  SWinRes*    pos = taosArrayGetP(res, index);
+  SResKeyPos* pData = (SResKeyPos*) pKey;
+  if (*(int64_t*)pData->key == pos->ts) {
+    if (pData->groupId > pos->groupId) {
+      return 1;
+    } else if (pData->groupId < pos->groupId) {
+      return -1;
+    }
+    return 0;
+  } else if (*(int64_t*)pData->key > pos->ts) {
+    return 1;
+  }
+  return -1;
+}
+
 static void removeDeleteResults(SArray* pUpdated, SArray* pDelWins) {
   int32_t upSize = taosArrayGetSize(pUpdated);
   int32_t delSize = taosArrayGetSize(pDelWins);
   for (int32_t i = 0; i < upSize; i++) {
     SResKeyPos* pResKey = taosArrayGetP(pUpdated, i);
-    int64_t     key = *(int64_t*)pResKey->key;
-    int32_t     index = binarySearch(pDelWins, delSize, key, TSDB_ORDER_DESC, getWinReskey);
-    if (index >= 0 && key == getWinReskey(pDelWins, index)) {
+    int32_t     index = binarySearchCom(pDelWins, delSize, pResKey, TSDB_ORDER_DESC, compareWinRes);
+    if (index >= 0 && 0 == compareWinRes(pResKey, pDelWins, index)) {
       taosArrayRemove(pDelWins, index);
     }
   }
@@ -924,11 +1013,17 @@ SResultRowPosition addToOpenWindowList(SResultRowInfo* pResultRowInfo, const SRe
 
 int64_t* extractTsCol(SSDataBlock* pBlock, const SIntervalAggOperatorInfo* pInfo) {
   TSKEY* tsCols = NULL;
+
   if (pBlock->pDataBlock != NULL) {
     SColumnInfoData* pColDataInfo = taosArrayGet(pBlock->pDataBlock, pInfo->primaryTsIndex);
     tsCols = (int64_t*)pColDataInfo->pData;
 
-    if (tsCols != NULL) {
+    // no data in primary ts
+    if (tsCols[0] == 0 && tsCols[pBlock->info.rows - 1] == 0) {
+      return NULL;
+    }
+
+    if (tsCols[0] != 0 && (pBlock->info.window.skey == 0 && pBlock->info.window.ekey == 0)) {
       blockDataUpdateTsWindow(pBlock, pInfo->primaryTsIndex);
     }
   }
diff --git a/source/libs/function/src/builtins.c b/source/libs/function/src/builtins.c
index e03af279ae..9c004bf1c4 100644
--- a/source/libs/function/src/builtins.c
+++ b/source/libs/function/src/builtins.c
@@ -1425,6 +1425,17 @@ static int32_t translateIrate(SFunctionNode* pFunc, char* pErrBuf, int32_t len)
 }
 
 static int32_t translateFirstLast(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
+  // forbid null as first/last input, since first(c0, null, 1) may have different number of input
+  int32_t numOfParams = LIST_LENGTH(pFunc->pParameterList);
+
+  for (int32_t i = 0; i < numOfParams; ++i) {
+    uint8_t nodeType = nodeType(nodesListGetNode(pFunc->pParameterList, i));
+    uint8_t paraType = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, i))->resType.type;
+    if (IS_NULL_TYPE(paraType) && QUERY_NODE_VALUE == nodeType) {
+      return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
+    }
+  }
+
   pFunc->node.resType = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 0))->resType;
   return TSDB_CODE_SUCCESS;
 }
@@ -1435,6 +1446,15 @@ static int32_t translateFirstLastImpl(SFunctionNode* pFunc, char* pErrBuf, int32
   uint8_t paraType = ((SExprNode*)pPara)->resType.type;
   int32_t paraBytes = ((SExprNode*)pPara)->resType.bytes;
   if (isPartial) {
+    int32_t numOfParams = LIST_LENGTH(pFunc->pParameterList);
+    for (int32_t i = 0; i < numOfParams; ++i) {
+      uint8_t nodeType = nodeType(nodesListGetNode(pFunc->pParameterList, i));
+      uint8_t pType = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, i))->resType.type;
+      if (IS_NULL_TYPE(pType) && QUERY_NODE_VALUE == nodeType) {
+        return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
+      }
+    }
+
     pFunc->node.resType =
         (SDataType){.bytes = getFirstLastInfoSize(paraBytes) + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_BINARY};
   } else {
diff --git a/source/libs/wal/src/walMeta.c b/source/libs/wal/src/walMeta.c
index 991b50f7c0..edc811fe82 100644
--- a/source/libs/wal/src/walMeta.c
+++ b/source/libs/wal/src/walMeta.c
@@ -33,6 +33,8 @@ int64_t FORCE_INLINE walGetLastVer(SWal* pWal) { return pWal->vers.lastVer; }
 
 int64_t FORCE_INLINE walGetCommittedVer(SWal* pWal) { return pWal->vers.commitVer; }
 
+int64_t FORCE_INLINE walGetAppliedVer(SWal* pWal) { return pWal->vers.appliedVer; }
+
 static FORCE_INLINE int walBuildMetaName(SWal* pWal, int metaVer, char* buf) {
   return sprintf(buf, "%s/meta-ver%d", pWal->path, metaVer);
 }
diff --git a/source/libs/wal/src/walRead.c b/source/libs/wal/src/walRead.c
index 8b4225c80c..5bc9cdafa2 100644
--- a/source/libs/wal/src/walRead.c
+++ b/source/libs/wal/src/walRead.c
@@ -66,9 +66,15 @@ void walCloseReader(SWalReader *pRead) {
 }
 
 int32_t walNextValidMsg(SWalReader *pRead) {
-  wDebug("vgId:%d wal start to fetch", pRead->pWal->cfg.vgId);
   int64_t fetchVer = pRead->curVersion;
-  int64_t endVer = pRead->cond.scanUncommited ? walGetLastVer(pRead->pWal) : walGetCommittedVer(pRead->pWal);
+  int64_t lastVer = walGetLastVer(pRead->pWal);
+  int64_t committedVer = walGetCommittedVer(pRead->pWal);
+  int64_t appliedVer = walGetAppliedVer(pRead->pWal);
+  int64_t endVer = pRead->cond.scanUncommited ? lastVer : committedVer;
+  endVer = TMIN(appliedVer, endVer);
+
+  wDebug("vgId:%d wal start to fetch, ver %ld, last ver %ld commit ver %ld, applied ver %ld, end ver %ld",
+         pRead->pWal->cfg.vgId, fetchVer, lastVer, committedVer, appliedVer, endVer);
   while (fetchVer <= endVer) {
     if (walFetchHeadNew(pRead, fetchVer) < 0) {
       return -1;
diff --git a/source/libs/wal/src/walWrite.c b/source/libs/wal/src/walWrite.c
index 26dc3cdffb..4fc135a1cf 100644
--- a/source/libs/wal/src/walWrite.c
+++ b/source/libs/wal/src/walWrite.c
@@ -64,6 +64,12 @@ int32_t walRestoreFromSnapshot(SWal *pWal, int64_t ver) {
   return 0;
 }
 
+int32_t walApplyVer(SWal *pWal, int64_t ver) {
+  // TODO: error check
+  pWal->vers.appliedVer = ver;
+  return 0;
+}
+
 int32_t walCommit(SWal *pWal, int64_t ver) {
   ASSERT(pWal->vers.commitVer >= pWal->vers.snapshotVer);
   ASSERT(pWal->vers.commitVer <= pWal->vers.lastVer);
diff --git a/tests/script/tsim/stream/basic1.sim b/tests/script/tsim/stream/basic1.sim
index 2a6d64bcaf..a6f9860831 100644
--- a/tests/script/tsim/stream/basic1.sim
+++ b/tests/script/tsim/stream/basic1.sim
@@ -462,6 +462,113 @@ if $data25 != 3 then
   return -1
 endi
 
+sql create database test2 vgroups 1
+sql show databases
 
+sql use test2
+sql create stable st(ts timestamp, a int, b int, c int, d double) tags(ta int,tb int,tc int);
+sql create table t1 using st tags(1,1,1);
+sql create table t2 using st tags(2,2,2);
+sql create table t3 using st tags(2,2,2);
+sql create table t4 using st tags(2,2,2);
+sql create table t5 using st tags(2,2,2);
+sql create stream streams2 trigger at_once  into streamt as select  _wstart, count(*) c1, sum(a) c3,max(b) c4 from st partition by tbname interval(10s)
+
+sql insert into t1 values(1648791213000,1,1,1,1.0) t2 values(1648791213000,2,2,2,2.0) t3 values(1648791213000,3,3,3,3.0) t4 values(1648791213000,4,4,4,4.0);
+
+$loop_count = 0
+
+loop0:
+sleep 300
+
+$loop_count = $loop_count + 1
+if $loop_count == 10 then
+  return -1
+endi
+
+sql select * from streamt;
+
+if $rows != 4 then
+  print =====rows=$rows
+  goto loop0
+endi
+
+sql insert into t1 values(1648791213000,5,5,5,5.0) t2 values(1648791213000,6,6,6,6.0) t5 values(1648791213000,7,7,7,7.0);
+
+
+$loop_count = 0
+
+loop1:
+sleep 300
+
+$loop_count = $loop_count + 1
+if $loop_count == 10 then
+  return -1
+endi
+
+sql select * from streamt order by c4 desc;
+
+if $rows != 5 then
+  print =====rows=$rows
+  goto loop1
+endi
+
+# row 0
+if $data01 != 1 then
+  print =====data01=$data01
+  goto loop1
+endi
+
+if $data02 != 7 then
+  print =====data02=$data02
+  goto loop1
+endi
+
+# row 1
+if $data11 != 1 then
+  print =====data11=$data11
+  goto loop1
+endi
+
+if $data12 != 6 then
+  print =====data12=$data12
+  goto loop1
+endi
+
+# row 2
+if $data21 != 1 then
+  print =====data21=$data21
+  goto loop1
+endi
+
+if $data22 != 5 then
+  print =====data22=$data22
+  goto loop1
+endi
+
+sql insert into t1 values(1648791213000,8,8,8,8.0);
+
+$loop_count = 0
+
+loop2:
+sleep 300
+
+$loop_count = $loop_count + 1
+if $loop_count == 10 then
+  return -1
+endi
+
+sql select * from streamt order by c4 desc;
+
+# row 0
+if $data01 != 1 then
+  print =====data01=$data01
+  goto loop2
+endi
+
+if $data02 != 8 then
+  print =====data02=$data02
+  goto loop2
+endi
 
 system sh/exec.sh -n dnode1 -s stop -x SIGINT
diff --git a/tests/script/tsim/stream/sliding.sim b/tests/script/tsim/stream/sliding.sim
index f34a50de9d..4364b56d44 100644
--- a/tests/script/tsim/stream/sliding.sim
+++ b/tests/script/tsim/stream/sliding.sim
@@ -366,18 +366,21 @@ if $data32 != 8 then
   goto loop1
 endi
 
+#$loop_all = 0
+#looptest:
+
 sql drop database IF EXISTS test2;
 sql drop stream IF EXISTS streams21;
 sql drop stream IF EXISTS streams22;
 
-sql create database test2 vgroups 2;
+sql create database test2 vgroups 6;
 sql use test2;
 sql create stable st(ts timestamp, a int, b int, c int, d double) tags(ta int,tb int,tc int);
 sql create table t1 using st tags(1,1,1);
 sql create table t2 using st tags(2,2,2);
 
-sql create stream streams21 trigger at_once  into streamt as select  _wstart, count(*) c1, sum(a) c3 , max(b)  c4, min(c) c5 from t1 interval(10s);
-sql create stream streams22 trigger at_once  into streamt2 as select  _wstart, count(*) c1, sum(a) c3 , max(b)  c4, min(c) c5 from st interval(10s);
+sql create stream streams21 trigger at_once  into streamt as select  _wstart, count(*) c1, sum(a) c3 , max(b)  c4, min(c) c5 from t1 interval(10s, 5s);
+sql create stream streams22 trigger at_once  into streamt2 as select  _wstart, count(*) c1, sum(a) c3 , max(b)  c4, min(c) c5 from st interval(10s, 5s);
 
 sql insert into t1 values(1648791213000,1,1,1,1.0);
 sql insert into t1 values(1648791223001,2,2,2,1.1);
@@ -394,7 +397,7 @@ sql insert into t2 values(1648791213004,4,10,10,4.1);
 $loop_count = 0
 
 loop2:
-sleep 300
+sleep 100
 
 $loop_count = $loop_count + 1
 if $loop_count == 10 then
@@ -452,7 +455,7 @@ print step 6
 $loop_count = 0
 
 loop3:
-sleep 300
+# sleep 300
 
 $loop_count = $loop_count + 1
 if $loop_count == 10 then
@@ -464,7 +467,7 @@ sql select * from streamt2;
 # row 0
 if $data01 != 4 then
   print =====data01=$data01
-  # goto loop3
+  goto loop3
 endi
 
 if $data02 != 10 then
@@ -505,4 +508,9 @@ if $data32 != 8 then
   goto loop3
 endi
 
+$loop_all = $loop_all + 1
+print ============loop_all=$loop_all
+
+#goto looptest
+
 system sh/stop_dnodes.sh
\ No newline at end of file
diff --git a/tests/system-test/2-query/last_row.py b/tests/system-test/2-query/last_row.py
index cbe83b5a30..cdb26f7589 100644
--- a/tests/system-test/2-query/last_row.py
+++ b/tests/system-test/2-query/last_row.py
@@ -221,7 +221,7 @@ class TDTestCase:
         tdSql.execute("use testdb")
 
         # bug need fix
-        tdSql.query("select last_row(c1 ,NULL) from testdb.t1")
+        tdSql.error("select last_row(c1 ,NULL) from testdb.t1")
 
         error_sql_lists = [
             "select last_row from testdb.t1",
diff --git a/tests/system-test/7-tmq/tmqAutoCreateTbl.py b/tests/system-test/7-tmq/tmqAutoCreateTbl.py
index 1622ad7621..8fcb57aea6 100644
--- a/tests/system-test/7-tmq/tmqAutoCreateTbl.py
+++ b/tests/system-test/7-tmq/tmqAutoCreateTbl.py
@@ -225,7 +225,7 @@ class TDTestCase:
         tdSql.prepare()
         self.prepareTestEnv()
         self.tmqCase1()
-        # self.tmqCase2()     TD-17267
+        # self.tmqCase2()     # TD-17267
         
 
     def stop(self):