diff --git a/source/dnode/mnode/impl/inc/mndStream.h b/source/dnode/mnode/impl/inc/mndStream.h
index 69385c3a46..5e9089cec9 100644
--- a/source/dnode/mnode/impl/inc/mndStream.h
+++ b/source/dnode/mnode/impl/inc/mndStream.h
@@ -34,6 +34,11 @@ SSdbRow *mndStreamActionDecode(SSdbRaw *pRaw);
 int32_t mndDropStreamByDb(SMnode *pMnode, STrans *pTrans, SDbObj *pDb);
 int32_t mndPersistStream(SMnode *pMnode, STrans *pTrans, SStreamObj *pStream);
 
+// for sma
+// TODO refactor
+int32_t mndDropStreamTasks(SMnode *pMnode, STrans *pTrans, SStreamObj *pStream);
+int32_t mndPersistDropStreamLog(SMnode *pMnode, STrans *pTrans, SStreamObj *pStream);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/source/dnode/mnode/impl/src/mndSma.c b/source/dnode/mnode/impl/src/mndSma.c
index ef24cd0ba4..d880fb28d4 100644
--- a/source/dnode/mnode/impl/src/mndSma.c
+++ b/source/dnode/mnode/impl/src/mndSma.c
@@ -857,6 +857,24 @@ static int32_t mndDropSma(SMnode *pMnode, SRpcMsg *pReq, SDbObj *pDb, SSmaObj *p
   mDebug("trans:%d, used to drop sma:%s", pTrans->id, pSma->name);
   mndTransSetDbName(pTrans, pDb->name, NULL);
 
+  SStreamObj *pStream = mndAcquireStream(pMnode, pSma->name);
+  if (pStream == NULL || pStream->smaId != pSma->uid) {
+    sdbRelease(pMnode->pSdb, pStream);
+    goto _OVER;
+  } else {
+    if (mndDropStreamTasks(pMnode, pTrans, pStream) < 0) {
+      mError("stream:%s, failed to drop task since %s", pStream->name, terrstr());
+      sdbRelease(pMnode->pSdb, pStream);
+      goto _OVER;
+    }
+
+    // drop stream
+    if (mndPersistDropStreamLog(pMnode, pTrans, pStream) < 0) {
+      sdbRelease(pMnode->pSdb, pStream);
+      goto _OVER;
+    }
+  }
+
   if (mndSetDropSmaRedoLogs(pMnode, pTrans, pSma) != 0) goto _OVER;
   if (mndSetDropSmaVgroupRedoLogs(pMnode, pTrans, pVgroup) != 0) goto _OVER;
   if (mndSetDropSmaCommitLogs(pMnode, pTrans, pSma) != 0) goto _OVER;
diff --git a/source/dnode/mnode/impl/src/mndStream.c b/source/dnode/mnode/impl/src/mndStream.c
index b78756d8b8..444a8864ef 100644
--- a/source/dnode/mnode/impl/src/mndStream.c
+++ b/source/dnode/mnode/impl/src/mndStream.c
@@ -490,7 +490,7 @@ static int32_t mndPersistTaskDropReq(STrans *pTrans, SStreamTask *pTask) {
   return 0;
 }
 
-static int32_t mndDropStreamTasks(SMnode *pMnode, STrans *pTrans, SStreamObj *pStream) {
+int32_t mndDropStreamTasks(SMnode *pMnode, STrans *pTrans, SStreamObj *pStream) {
   int32_t lv = taosArrayGetSize(pStream->tasks);
   for (int32_t i = 0; i < lv; i++) {
     SArray *pTasks = taosArrayGetP(pStream->tasks, i);
diff --git a/source/dnode/vnode/src/tq/tqSink.c b/source/dnode/vnode/src/tq/tqSink.c
index 9abc2f639b..0bb9918488 100644
--- a/source/dnode/vnode/src/tq/tqSink.c
+++ b/source/dnode/vnode/src/tq/tqSink.c
@@ -43,7 +43,7 @@ SSubmitReq* tdBlockToSubmit(const SArray* pBlocks, const STSchema* pTSchema, boo
       taosArrayPush(tagArray, &tagVal);
       tTagNew(tagArray, 1, false, &pTag);
       if (pTag == NULL) {
-        taosArrayDestroy(schemaReqs);
+        terrno = TSDB_CODE_OUT_OF_MEMORY;
         taosArrayDestroy(tagArray);
         return NULL;
       }
diff --git a/source/libs/executor/inc/executorimpl.h b/source/libs/executor/inc/executorimpl.h
index 36f81e86ff..eb2c6f5102 100644
--- a/source/libs/executor/inc/executorimpl.h
+++ b/source/libs/executor/inc/executorimpl.h
@@ -348,7 +348,6 @@ typedef struct SStreamBlockScanInfo {
   SInterval      interval;     // if the upstream is an interval operator, the interval info is also kept here.
   SArray*        childIds;
   SessionWindowSupporter sessionSup;
-  bool            assignBlockUid; // assign block uid to groupId, temporarily used for generating rollup SMA.
   int32_t         scanWinIndex;   // for state operator
   int32_t         pullDataResIndex;
   SSDataBlock*    pPullDataRes;             // pull data SSDataBlock
diff --git a/source/libs/executor/src/executor.c b/source/libs/executor/src/executor.c
index 6de364e63a..3fd491885f 100644
--- a/source/libs/executor/src/executor.c
+++ b/source/libs/executor/src/executor.c
@@ -19,8 +19,7 @@
 #include "tdatablock.h"
 #include "vnode.h"
 
-static int32_t doSetStreamBlock(SOperatorInfo* pOperator, void* input, size_t numOfBlocks, int32_t type, bool assignUid,
-                                char* id) {
+static int32_t doSetStreamBlock(SOperatorInfo* pOperator, void* input, size_t numOfBlocks, int32_t type, char* id) {
   ASSERT(pOperator != NULL);
   if (pOperator->operatorType != QUERY_NODE_PHYSICAL_PLAN_STREAM_SCAN) {
     if (pOperator->numOfDownstream == 0) {
@@ -33,12 +32,11 @@ static int32_t doSetStreamBlock(SOperatorInfo* pOperator, void* input, size_t nu
       return TSDB_CODE_QRY_APP_ERROR;
     }
     pOperator->status = OP_NOT_OPENED;
-    return doSetStreamBlock(pOperator->pDownstream[0], input, numOfBlocks, type, assignUid, id);
+    return doSetStreamBlock(pOperator->pDownstream[0], input, numOfBlocks, type, id);
   } else {
     pOperator->status = OP_NOT_OPENED;
 
     SStreamBlockScanInfo* pInfo = pOperator->info;
-    pInfo->assignBlockUid = assignUid;
 
     // TODO: if a block was set but not consumed,
     // prevent setting a different type of block
@@ -76,7 +74,7 @@ int32_t qStreamScanSnapshot(qTaskInfo_t tinfo) {
     return TSDB_CODE_QRY_APP_ERROR;
   }
   SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
-  return doSetStreamBlock(pTaskInfo->pRoot, NULL, 0, STREAM_DATA_TYPE_FROM_SNAPSHOT, 0, NULL);
+  return doSetStreamBlock(pTaskInfo->pRoot, NULL, 0, STREAM_DATA_TYPE_FROM_SNAPSHOT, NULL);
 }
 
 int32_t qSetStreamInput(qTaskInfo_t tinfo, const void* input, int32_t type, bool assignUid) {
@@ -94,8 +92,7 @@ int32_t qSetMultiStreamInput(qTaskInfo_t tinfo, const void* pBlocks, size_t numO
 
   SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
 
-  int32_t code =
-      doSetStreamBlock(pTaskInfo->pRoot, (void**)pBlocks, numOfBlocks, type, assignUid, GET_TASKID(pTaskInfo));
+  int32_t code = doSetStreamBlock(pTaskInfo->pRoot, (void**)pBlocks, numOfBlocks, type, GET_TASKID(pTaskInfo));
   if (code != TSDB_CODE_SUCCESS) {
     qError("%s failed to set the stream block data", GET_TASKID(pTaskInfo));
   } else {
diff --git a/source/libs/executor/src/scanoperator.c b/source/libs/executor/src/scanoperator.c
index 15803a4b73..aadf7b3b7e 100644
--- a/source/libs/executor/src/scanoperator.c
+++ b/source/libs/executor/src/scanoperator.c
@@ -1051,14 +1051,6 @@ static SSDataBlock* doStreamBlockScan(SOperatorInfo* pOperator) {
       pInfo->pRes->info.type = STREAM_NORMAL;
       pInfo->pRes->info.capacity = numOfRows;
 
-      // for generating rollup SMA result, each time is an independent time serie.
-      // TODO temporarily used, when the statement of "partition by tbname" is ready, remove this
-      if (pInfo->assignBlockUid) {
-        pInfo->pRes->info.groupId = uid;
-      } else {
-        pInfo->pRes->info.groupId = groupId;
-      }
-
       uint64_t* groupIdPre = taosHashGet(pOperator->pTaskInfo->tableqinfoList.map, &uid, sizeof(int64_t));
       if (groupIdPre) {
         pInfo->pRes->info.groupId = *groupIdPre;
diff --git a/source/libs/wal/src/walRead.c b/source/libs/wal/src/walRead.c
index 682afbb785..20fa5f1f2b 100644
--- a/source/libs/wal/src/walRead.c
+++ b/source/libs/wal/src/walRead.c
@@ -103,6 +103,7 @@ static int32_t walReadChangeFile(SWalReadHandle *pRead, int64_t fileFirstVer) {
     wError("cannot open file %s, since %s", fnameStr, terrstr());
     return -1;
   }
+  pRead->pReadLogTFile = pLogTFile;
 
   walBuildIdxName(pRead->pWal, fileFirstVer, fnameStr);
   TdFilePtr pIdxTFile = taosOpenFile(fnameStr, TD_FILE_READ);
@@ -112,7 +113,6 @@ static int32_t walReadChangeFile(SWalReadHandle *pRead, int64_t fileFirstVer) {
     return -1;
   }
 
-  pRead->pReadLogTFile = pLogTFile;
   pRead->pReadIdxTFile = pIdxTFile;
   return 0;
 }