diff --git a/examples/c/stream_demo.c b/examples/c/stream_demo.c
index a4fc30ff65d63d435eb533f1f2624e0694e1d6b0..f5cb7f112073e4861bbc53f2bb50bdc161003a0f 100644
--- a/examples/c/stream_demo.c
+++ b/examples/c/stream_demo.c
@@ -99,8 +99,8 @@ int32_t create_stream() {
   /*const char* sql = "select sum(k) from tu1 interval(10m)";*/
   /*pRes = tmq_create_stream(pConn, "stream1", "out1", sql);*/
   pRes = taos_query(pConn,
-                    "create stream stream1 trigger at_once into outstb as select _wstartts, sum(k) from st1 "
-                    "partition by tbname interval(10s) ");
+                    "create stream stream1 trigger at_once into outstb as select _wstartts, sum(k) from st1 partition "
+                    "by tbname interval(10s) ");
   if (taos_errno(pRes) != 0) {
     printf("failed to create stream stream1, reason:%s\n", taos_errstr(pRes));
     return -1;
diff --git a/include/common/tmsg.h b/include/common/tmsg.h
index 8c4d43d5d3d8438e8775073cfeb66f3c90c77f19..29eebc332ba569e5f2d9ca5cb3af449e56f72abd 100644
--- a/include/common/tmsg.h
+++ b/include/common/tmsg.h
@@ -851,7 +851,6 @@ typedef struct {
 int32_t tSerializeSServerVerRsp(void* buf, int32_t bufLen, SServerVerRsp* pRsp);
 int32_t tDeserializeSServerVerRsp(void* buf, int32_t bufLen, SServerVerRsp* pRsp);
 
-
 typedef struct SQueryNodeAddr {
   int32_t nodeId;  // vgId or qnodeId
   SEpSet  epSet;
@@ -878,7 +877,6 @@ int32_t tSerializeSDnodeListRsp(void* buf, int32_t bufLen, SDnodeListRsp* pRsp);
 int32_t tDeserializeSDnodeListRsp(void* buf, int32_t bufLen, SDnodeListRsp* pRsp);
 void    tFreeSDnodeListRsp(SDnodeListRsp* pRsp);
 
-
 typedef struct {
   SArray* pArray;  // Array of SUseDbRsp
 } SUseDbBatchRsp;
@@ -1245,12 +1243,12 @@ int32_t tSerializeSShowVariablesReq(void* buf, int32_t bufLen, SShowVariablesReq
 int32_t tDeserializeSShowVariablesReq(void* buf, int32_t bufLen, SShowVariablesReq* pReq);
 
 typedef struct {
-  char  name[TSDB_CONFIG_OPTION_LEN + 1];
-  char  value[TSDB_CONFIG_VALUE_LEN + 1];
+  char name[TSDB_CONFIG_OPTION_LEN + 1];
+  char value[TSDB_CONFIG_VALUE_LEN + 1];
 } SVariablesInfo;
 
 typedef struct {
-  SArray *variables;  //SArray<SVariablesInfo>
+  SArray* variables;  // SArray<SVariablesInfo>
 } SShowVariablesRsp;
 
 int32_t tSerializeSShowVariablesRsp(void* buf, int32_t bufLen, SShowVariablesRsp* pReq);
@@ -1258,7 +1256,6 @@ int32_t tDeserializeSShowVariablesRsp(void* buf, int32_t bufLen, SShowVariablesR
 
 void tFreeSShowVariablesRsp(SShowVariablesRsp* pRsp);
 
-
 /*
  * sql: show tables like '%a_%'
  * payload is the query condition, e.g., '%a_%'
@@ -1308,6 +1305,8 @@ typedef struct {
   int32_t compLen;
   int32_t numOfRows;
   int32_t numOfCols;
+  int64_t skey;
+  int64_t ekey;
   char    data[];
 } SRetrieveTableRsp;
 
diff --git a/source/dnode/mnode/impl/src/mndStream.c b/source/dnode/mnode/impl/src/mndStream.c
index 5e2f5bc2dd067f9c61393607f0f93fdd68c80d34..21158bb0a29ddc1b85d75426297dc56c86925373 100644
--- a/source/dnode/mnode/impl/src/mndStream.c
+++ b/source/dnode/mnode/impl/src/mndStream.c
@@ -634,7 +634,7 @@ static int32_t mndProcessDropStreamReq(SRpcMsg *pReq) {
     if (dropReq.igNotExists) {
       mDebug("stream:%s, not exist, ignore not exist is set", dropReq.name);
       sdbRelease(pMnode->pSdb, pStream);
-      return -1;
+      return 0;
     } else {
       terrno = TSDB_CODE_MND_STREAM_NOT_EXIST;
       return -1;
diff --git a/source/libs/stream/src/streamData.c b/source/libs/stream/src/streamData.c
index ef328ecf848de7d0fdde0ab8780c9cefd62943bc..3efe3e6c9c7511d140c26a94231e3858df7b4203 100644
--- a/source/libs/stream/src/streamData.c
+++ b/source/libs/stream/src/streamData.c
@@ -27,11 +27,14 @@ int32_t streamDispatchReqToData(const SStreamDispatchReq* pReq, SStreamDataBlock
   ASSERT(pReq->blockNum == taosArrayGetSize(pReq->dataLen));
 
   for (int32_t i = 0; i < blockNum; i++) {
-    int32_t            len = *(int32_t*)taosArrayGet(pReq->dataLen, i);
+    /*int32_t            len = *(int32_t*)taosArrayGet(pReq->dataLen, i);*/
     SRetrieveTableRsp* pRetrieve = taosArrayGetP(pReq->data, i);
     SSDataBlock*       pDataBlock = taosArrayGet(pArray, i);
     blockCompressDecode(pDataBlock, htonl(pRetrieve->numOfCols), htonl(pRetrieve->numOfRows), pRetrieve->data);
     // TODO: refactor
+    pDataBlock->info.window.skey = be64toh(pRetrieve->skey);
+    pDataBlock->info.window.ekey = be64toh(pRetrieve->ekey);
+
     pDataBlock->info.type = pRetrieve->streamBlockType;
     pDataBlock->info.childId = pReq->upstreamChildId;
   }
@@ -46,8 +49,14 @@ int32_t streamRetrieveReqToData(const SStreamRetrieveReq* pReq, SStreamDataBlock
   }
   taosArraySetSize(pArray, 1);
   SRetrieveTableRsp* pRetrieve = pReq->pRetrieve;
-  SSDataBlock*       pBlock = taosArrayGet(pArray, 0);
-  blockCompressDecode(pBlock, htonl(pRetrieve->numOfCols), htonl(pRetrieve->numOfRows), pRetrieve->data);
+  SSDataBlock*       pDataBlock = taosArrayGet(pArray, 0);
+  blockCompressDecode(pDataBlock, htonl(pRetrieve->numOfCols), htonl(pRetrieve->numOfRows), pRetrieve->data);
+  // TODO: refactor
+  pDataBlock->info.window.skey = be64toh(pRetrieve->skey);
+  pDataBlock->info.window.ekey = be64toh(pRetrieve->ekey);
+
+  pDataBlock->info.type = pRetrieve->streamBlockType;
+
   pData->blocks = pArray;
   return 0;
 }
diff --git a/source/libs/stream/src/streamDispatch.c b/source/libs/stream/src/streamDispatch.c
index a8b18210dd51f0baff3b649e372adeb8d4783ac0..1f51a927e7a7d091c1018e104f49d31f57dde4cf 100644
--- a/source/libs/stream/src/streamDispatch.c
+++ b/source/libs/stream/src/streamDispatch.c
@@ -104,6 +104,8 @@ int32_t streamBroadcastToChildren(SStreamTask* pTask, const SSDataBlock* pBlock)
   pRetrieve->streamBlockType = pBlock->info.type;
   pRetrieve->numOfRows = htonl(pBlock->info.rows);
   pRetrieve->numOfCols = htonl(numOfCols);
+  pRetrieve->skey = htobe64(pBlock->info.window.skey);
+  pRetrieve->ekey = htobe64(pBlock->info.window.ekey);
 
   int32_t actualLen = 0;
   blockCompressEncode(pBlock, pRetrieve->data, &actualLen, numOfCols, false);
@@ -171,6 +173,8 @@ static int32_t streamAddBlockToDispatchMsg(const SSDataBlock* pBlock, SStreamDis
   pRetrieve->completed = 1;
   pRetrieve->streamBlockType = pBlock->info.type;
   pRetrieve->numOfRows = htonl(pBlock->info.rows);
+  pRetrieve->skey = htobe64(pBlock->info.window.skey);
+  pRetrieve->ekey = htobe64(pBlock->info.window.ekey);
 
   int32_t numOfCols = (int32_t)taosArrayGetSize(pBlock->pDataBlock);
   pRetrieve->numOfCols = htonl(numOfCols);