diff --git a/example/src/tstream.c b/example/src/tstream.c
index 5bd833213d7706b1151f3b565d4b7e567f62c655..65fd005954353222d50a1a55b855485380dd8e14 100644
--- a/example/src/tstream.c
+++ b/example/src/tstream.c
@@ -81,10 +81,10 @@ int32_t create_stream() {
   /*const char* sql = "select min(k), max(k), sum(k) as sum_of_k from st1";*/
   /*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 window_close as select _wstartts, min(k), max(k), sum(k) as sum_of_k "
-                 "from tu1 interval(10m)");
+  pRes = taos_query(
+      pConn,
+      "create stream stream1 trigger window_close into outstb as select _wstartts, min(k), max(k), sum(k) as sum_of_k "
+      "from tu1 interval(10m)");
   if (taos_errno(pRes) != 0) {
     printf("failed to create stream stream1, reason:%s\n", taos_errstr(pRes));
     return -1;
diff --git a/source/dnode/mnode/impl/inc/mndDef.h b/source/dnode/mnode/impl/inc/mndDef.h
index 89638524ae8622930eee95bbf4f01fa2778a9c6b..9ae7922f6b56b7ab3b0ed82b73289974c8b37897 100644
--- a/source/dnode/mnode/impl/inc/mndDef.h
+++ b/source/dnode/mnode/impl/inc/mndDef.h
@@ -72,7 +72,7 @@ typedef enum {
   TRN_TYPE_DROP_USER = 1003,
   TRN_TYPE_CREATE_FUNC = 1004,
   TRN_TYPE_DROP_FUNC = 1005,
-  
+
   TRN_TYPE_CREATE_SNODE = 1006,
   TRN_TYPE_DROP_SNODE = 1007,
   TRN_TYPE_CREATE_QNODE = 1008,
@@ -601,7 +601,6 @@ typedef struct {
   int32_t        triggerParam;
   int64_t        waterMark;
   char*          sql;
-  char*          logicalPlan;
   char*          physicalPlan;
   SArray*        tasks;  // SArray<SArray<SStreamTask>>
   SSchemaWrapper outputSchema;
diff --git a/source/dnode/mnode/impl/src/mndSma.c b/source/dnode/mnode/impl/src/mndSma.c
index 0ec4332d37150c3dcd45644479497d7bf1dc6da0..02a8eaa832e40c556069a5f1439e91155fb81af6 100644
--- a/source/dnode/mnode/impl/src/mndSma.c
+++ b/source/dnode/mnode/impl/src/mndSma.c
@@ -419,7 +419,6 @@ static int32_t mndCreateSma(SMnode *pMnode, SNodeMsg *pReq, SMCreateSmaReq *pCre
   streamObj.fixedSinkVgId = smaObj.dstVgId;
   streamObj.smaId = smaObj.uid;
   /*streamObj.physicalPlan = "";*/
-  streamObj.logicalPlan = "not implemented";
 
   int32_t code = -1;
   STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_TYPE_CREATE_SMA, &pReq->rpcMsg);
diff --git a/source/dnode/mnode/impl/src/mndStream.c b/source/dnode/mnode/impl/src/mndStream.c
index 1404b1cd94714fff00370e8513eb9560d980de4b..aa7f16e10d116a8ff404280056cd66fabc6f180a 100644
--- a/source/dnode/mnode/impl/src/mndStream.c
+++ b/source/dnode/mnode/impl/src/mndStream.c
@@ -290,7 +290,7 @@ int32_t mndAddStreamToTrans(SMnode *pMnode, SStreamObj *pStream, const char *ast
   return 0;
 }
 
-static SStbObj *mndCreateStbForStream(SMnode *pMnode, STrans *pTrans, const SStreamObj *pStream, const char *user) {
+static int32_t mndCreateStbForStream(SMnode *pMnode, STrans *pTrans, const SStreamObj *pStream, const char *user) {
   SStbObj  *pStb = NULL;
   SDbObj   *pDb = NULL;
   SUserObj *pUser = NULL;
@@ -301,7 +301,22 @@ static SStbObj *mndCreateStbForStream(SMnode *pMnode, STrans *pTrans, const SStr
   createReq.numOfTags = 1;  // group id
   createReq.pColumns = taosArrayInit(createReq.numOfColumns, sizeof(SField));
   // build fields
+  taosArraySetSize(createReq.pColumns, createReq.numOfColumns);
+  for (int32_t i = 0; i < createReq.numOfColumns; i++) {
+    SField *pField = taosArrayGet(createReq.pColumns, i);
+    tstrncpy(pField->name, pStream->outputSchema.pSchema[i].name, TSDB_COL_NAME_LEN);
+    pField->flags = pStream->outputSchema.pSchema[i].flags;
+    pField->type = pStream->outputSchema.pSchema[i].type;
+    pField->bytes = pStream->outputSchema.pSchema[i].bytes;
+  }
+  createReq.pTags = taosArrayInit(createReq.numOfTags, sizeof(SField));
+  taosArraySetSize(createReq.pTags, 1);
   // build tags
+  SField *pField = taosArrayGet(createReq.pTags, 0);
+  strcpy(pField->name, "group_id");
+  pField->type = TSDB_DATA_TYPE_UBIGINT;
+  pField->flags = 0;
+  pField->bytes = 8;
 
   if (mndCheckCreateStbReq(&createReq) != 0) {
     terrno = TSDB_CODE_INVALID_MSG;
@@ -342,18 +357,14 @@ static SStbObj *mndCreateStbForStream(SMnode *pMnode, STrans *pTrans, const SStr
     goto _OVER;
   }
 
-  if (mndBuildStbFromReq(pMnode, pStb, &createReq, pDb) != 0) {
-    goto _OVER;
-  }
-
   if (mndAddStbToTrans(pMnode, pTrans, pDb, &stbObj) < 0) goto _OVER;
 
-  return pStb;
+  return 0;
 _OVER:
   mndReleaseStb(pMnode, pStb);
   mndReleaseDb(pMnode, pDb);
   mndReleaseUser(pMnode, pUser);
-  return NULL;
+  return -1;
 }
 
 static int32_t mndCreateStream(SMnode *pMnode, SNodeMsg *pReq, SCMCreateStreamReq *pCreate, SDbObj *pDb) {
@@ -373,7 +384,6 @@ static int32_t mndCreateStream(SMnode *pMnode, SNodeMsg *pReq, SCMCreateStreamRe
   streamObj.fixedSinkVgId = 0;
   streamObj.smaId = 0;
   /*streamObj.physicalPlan = "";*/
-  streamObj.logicalPlan = "not implemented";
   streamObj.trigger = pCreate->triggerType;
   streamObj.waterMark = pCreate->watermark;
 
@@ -384,16 +394,14 @@ static int32_t mndCreateStream(SMnode *pMnode, SNodeMsg *pReq, SCMCreateStreamRe
   }
   mDebug("trans:%d, used to create stream:%s", pTrans->id, pCreate->name);
 
-#if 0
-  if (mndCreateStbForStream(pMnode, pTrans, &streamObj, pReq->user) < 0) {
+  if (mndAddStreamToTrans(pMnode, &streamObj, pCreate->ast, pCreate->triggerType, pCreate->watermark, pTrans) != 0) {
     mError("trans:%d, failed to add stream since %s", pTrans->id, terrstr());
     mndTransDrop(pTrans);
     return -1;
   }
-#endif
 
-  if (mndAddStreamToTrans(pMnode, &streamObj, pCreate->ast, pCreate->triggerType, pCreate->watermark, pTrans) != 0) {
-    mError("trans:%d, failed to add stream since %s", pTrans->id, terrstr());
+  if (streamObj.targetSTbName[0] && mndCreateStbForStream(pMnode, pTrans, &streamObj, pReq->user) < 0) {
+    mError("trans:%d, failed to create stb for stream since %s", pTrans->id, terrstr());
     mndTransDrop(pTrans);
     return -1;
   }
diff --git a/source/libs/wal/src/walRead.c b/source/libs/wal/src/walRead.c
index 70a3559cd9f92d6b48d5c6aee68cd72eb05b4424..4fe07029f1ac14a29eee3225357324c56d1f9df3 100644
--- a/source/libs/wal/src/walRead.c
+++ b/source/libs/wal/src/walRead.c
@@ -49,7 +49,10 @@ void walCloseReadHandle(SWalReadHandle *pRead) {
   taosMemoryFree(pRead);
 }
 
-int32_t walRegisterRead(SWalReadHandle *pRead, int64_t ver) { return 0; }
+int32_t walRegisterRead(SWalReadHandle *pRead, int64_t ver) {
+  // TODO
+  return 0;
+}
 
 static int32_t walReadSeekFilePos(SWalReadHandle *pRead, int64_t fileFirstVer, int64_t ver) {
   int code = 0;