diff --git a/Jenkinsfile2 b/Jenkinsfile2
index 754617f99f..12e806c87a 100644
--- a/Jenkinsfile2
+++ b/Jenkinsfile2
@@ -43,6 +43,7 @@ def pre_test(){
         cd ${WKC}
         git reset --hard
         git clean -fxd
+        rm -rf examples/rust/
         git remote prune origin
         git fetch
     '''
diff --git a/docs/zh/14-reference/15-taosKeeper.md b/docs/zh/14-reference/14-taosKeeper.md
similarity index 95%
rename from docs/zh/14-reference/15-taosKeeper.md
rename to docs/zh/14-reference/14-taosKeeper.md
index d3f96bc5a9..f1165c9d0f 100644
--- a/docs/zh/14-reference/15-taosKeeper.md
+++ b/docs/zh/14-reference/14-taosKeeper.md
@@ -25,7 +25,7 @@ taosKeeper 安装方式：
 <!-- taosKeeper 需要在操作系统终端执行，该工具支持两种配置方式：[命令行参数](#命令行参数启动) 和 [配置文件](#配置文件启动)。命令行参数优先级高于配置文件参数。-->
 taosKeeper 需要在操作系统终端执行，该工具支持 [配置文件启动](#配置文件启动)。
 
-**在运行 taosKeeper 之前要确保 TDengine 集群与 taosAdapter 已经在正确运行。**
+**在运行 taosKeeper 之前要确保 TDengine 集群与 taosAdapter 已经在正确运行。** 并且 TDengine 已经开启监控服务，具体请参考：[TDengine 监控配置](../config/#监控相关)。
 
 <!--
 ### 命令行参数启动
@@ -93,7 +93,7 @@ taosKeeper 作为 TDengine 监控指标的导出工具，可以将 TDengine 产
 
 ```shell
 $ taos
-# 
+# 如上示例，使用 log 库作为监控日志存储位置
 > use log;
 > select * from cluster_info limit 1;
 ```
diff --git a/docs/zh/14-reference/14-taosx.md b/docs/zh/14-reference/14-taosx.md
deleted file mode 100644
index ed3f8d488f..0000000000
--- a/docs/zh/14-reference/14-taosx.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-sidebar_label: taosX
-title: 使用 taosX 在集群间复制数据
----
\ No newline at end of file
diff --git a/docs/zh/20-third-party/01-grafana.mdx b/docs/zh/20-third-party/01-grafana.mdx
index 93090ffd38..becb1a70a9 100644
--- a/docs/zh/20-third-party/01-grafana.mdx
+++ b/docs/zh/20-third-party/01-grafana.mdx
@@ -193,7 +193,7 @@ docker run -d \
 
 如上图所示，在 Query 中选中 `TDengine` 数据源，在下方查询框可输入相应 SQL 进行查询，具体说明如下：
 
-- INPUT SQL：输入要查询的语句（该 SQL 语句的结果集应为两列多行），例如：`select avg(mem_system) from log.dn where ts >= $from and ts < $to interval($interval)` ，其中，from、to 和 interval 为 TDengine 插件的内置变量，表示从 Grafana 插件面板获取的查询范围和时间间隔。除了内置变量外，`也支持可以使用自定义模板变量`。
+- INPUT SQL：输入要查询的语句（该 SQL 语句的结果集应为两列多行），例如：`select _wstart, avg(mem_system) from log.dnodes_info where ts >= $from and ts < $to interval($interval)` ，其中，from、to 和 interval 为 TDengine 插件的内置变量，表示从 Grafana 插件面板获取的查询范围和时间间隔。除了内置变量外，`也支持可以使用自定义模板变量`。
 - ALIAS BY：可设置当前查询别名。
 - GENERATE SQL： 点击该按钮会自动替换相应变量，并生成最终执行的语句。
 
@@ -205,7 +205,11 @@ docker run -d \
 
 ### 导入 Dashboard
 
-在数据源配置页面，您可以为该数据源导入 TDinsight 面板，作为 TDengine 集群的监控可视化工具。该 Dashboard 已发布在 Grafana：[Dashboard 15167 - TDinsight](https://grafana.com/grafana/dashboards/15167)) 。其他安装方式和相关使用说明请见 [TDinsight 用户手册](/reference/tdinsight/)。
+在数据源配置页面，您可以为该数据源导入 TDinsight 面板，作为 TDengine 集群的监控可视化工具。如果 TDengine 服务端为 3.0 版本请选择 `TDinsight for 3.x` 导入。
+
+![TDengine Database Grafana plugine import dashboard](./import_dashboard.webp)
+
+其中适配 TDengine 2.* 的 Dashboard 已发布在 Grafana：[Dashboard 15167 - TDinsight](https://grafana.com/grafana/dashboards/15167)) 。其他安装方式和相关使用说明请见 [TDinsight 用户手册](/reference/tdinsight/)。
 
 使用 TDengine 作为数据源的其他面板，可以[在此搜索](https://grafana.com/grafana/dashboards/?dataSource=tdengine-datasource)。以下是一份不完全列表：
 
diff --git a/docs/zh/20-third-party/import_dashboard.webp b/docs/zh/20-third-party/import_dashboard.webp
new file mode 100644
index 0000000000..164e3f4690
Binary files /dev/null and b/docs/zh/20-third-party/import_dashboard.webp differ
diff --git a/examples/c/stream_demo.c b/examples/c/stream_demo.c
index dd4fbc8d2d..2fcf4dd62c 100644
--- a/examples/c/stream_demo.c
+++ b/examples/c/stream_demo.c
@@ -98,10 +98,9 @@ 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 max_delay 10s into outstb as select _wstart, sum(k) from st1 partition "
-                 "by tbname session(ts, 10s) ");
+  pRes = taos_query(pConn,
+                    "create stream stream1 trigger max_delay 10s watermark 10s into outstb as select _wstart start, "
+                    "count(k) from st1 partition by tbname interval(20s) ");
   if (taos_errno(pRes) != 0) {
     printf("failed to create stream stream1, reason:%s\n", taos_errstr(pRes));
     return -1;
diff --git a/include/common/tcommon.h b/include/common/tcommon.h
index e04d9d5e86..dbe020f7ec 100644
--- a/include/common/tcommon.h
+++ b/include/common/tcommon.h
@@ -60,6 +60,7 @@ enum {
   STREAM_INPUT__DATA_RETRIEVE,
   STREAM_INPUT__GET_RES,
   STREAM_INPUT__CHECKPOINT,
+  STREAM_INPUT__DESTROY,
 };
 
 typedef enum EStreamType {
diff --git a/include/libs/stream/tstream.h b/include/libs/stream/tstream.h
index e6fcb021d5..384c6a289f 100644
--- a/include/libs/stream/tstream.h
+++ b/include/libs/stream/tstream.h
@@ -53,6 +53,7 @@ enum {
   TASK_SCHED_STATUS__WAITING,
   TASK_SCHED_STATUS__ACTIVE,
   TASK_SCHED_STATUS__FAILED,
+  TASK_SCHED_STATUS__DROPPING,
 };
 
 enum {
@@ -127,6 +128,10 @@ typedef struct {
   int8_t type;
 } SStreamCheckpoint;
 
+typedef struct {
+  int8_t type;
+} SStreamTaskDestroy;
+
 typedef struct {
   int8_t       type;
   SSDataBlock* pBlock;
@@ -211,7 +216,6 @@ typedef struct {
   void*     vnode;
   FTbSink*  tbSinkFunc;
   STSchema* pTSchema;
-  SHashObj* pHash;  // groupId to tbuid
 } STaskSinkTb;
 
 typedef void FSmaSink(void* vnode, int64_t smaId, const SArray* data);
diff --git a/include/util/taoserror.h b/include/util/taoserror.h
index ceb63d4b6b..12d6127165 100644
--- a/include/util/taoserror.h
+++ b/include/util/taoserror.h
@@ -291,6 +291,7 @@ int32_t* taosGetErrno();
 #define TSDB_CODE_MND_STREAM_NOT_EXIST          TAOS_DEF_ERROR_CODE(0, 0x03F1)
 #define TSDB_CODE_MND_INVALID_STREAM_OPTION     TAOS_DEF_ERROR_CODE(0, 0x03F2)
 #define TSDB_CODE_MND_STREAM_MUST_BE_DELETED    TAOS_DEF_ERROR_CODE(0, 0x03F3)
+#define TSDB_CODE_MND_STREAM_TASK_DROPPED       TAOS_DEF_ERROR_CODE(0, 0x03F4)
 
 // mnode-sma
 #define TSDB_CODE_MND_SMA_ALREADY_EXIST         TAOS_DEF_ERROR_CODE(0, 0x0480)
diff --git a/source/common/src/tdatablock.c b/source/common/src/tdatablock.c
index 8489627721..c65e966046 100644
--- a/source/common/src/tdatablock.c
+++ b/source/common/src/tdatablock.c
@@ -1343,12 +1343,14 @@ SSDataBlock* createDataBlock() {
   SSDataBlock* pBlock = taosMemoryCalloc(1, sizeof(SSDataBlock));
   if (pBlock == NULL) {
     terrno = TSDB_CODE_OUT_OF_MEMORY;
+    return NULL;
   }
 
   pBlock->pDataBlock = taosArrayInit(4, sizeof(SColumnInfoData));
   if (pBlock->pDataBlock == NULL) {
     terrno = TSDB_CODE_OUT_OF_MEMORY;
     taosMemoryFree(pBlock);
+    return NULL;
   }
 
   return pBlock;
@@ -1423,6 +1425,7 @@ size_t blockDataGetCapacityInRow(const SSDataBlock* pBlock, size_t pageSize) {
 }
 
 void colDataDestroy(SColumnInfoData* pColData) {
+  if(!pColData) return;
   if (IS_VAR_DATA_TYPE(pColData->info.type)) {
     taosMemoryFreeClear(pColData->varmeta.offset);
   } else {
diff --git a/source/dnode/mnode/impl/inc/mndDef.h b/source/dnode/mnode/impl/inc/mndDef.h
index 455da6a40e..8cff7fe48e 100644
--- a/source/dnode/mnode/impl/inc/mndDef.h
+++ b/source/dnode/mnode/impl/inc/mndDef.h
@@ -636,6 +636,7 @@ typedef struct {
 
 int32_t tEncodeSStreamObj(SEncoder* pEncoder, const SStreamObj* pObj);
 int32_t tDecodeSStreamObj(SDecoder* pDecoder, SStreamObj* pObj);
+void    tFreeStreamObj(SStreamObj* pObj);
 
 typedef struct {
   char    streamName[TSDB_STREAM_FNAME_LEN];
diff --git a/source/dnode/mnode/impl/inc/mndStb.h b/source/dnode/mnode/impl/inc/mndStb.h
index 44a7fdadde..010199a89f 100644
--- a/source/dnode/mnode/impl/inc/mndStb.h
+++ b/source/dnode/mnode/impl/inc/mndStb.h
@@ -34,6 +34,7 @@ int32_t mndCheckCreateStbReq(SMCreateStbReq *pCreate);
 SDbObj *mndAcquireDbByStb(SMnode *pMnode, const char *stbName);
 int32_t mndBuildStbFromReq(SMnode *pMnode, SStbObj *pDst, SMCreateStbReq *pCreate, SDbObj *pDb);
 int32_t mndAddStbToTrans(SMnode *pMnode, STrans *pTrans, SDbObj *pDb, SStbObj *pStb);
+void    mndFreeStb(SStbObj *pStb);
 
 void mndExtractDbNameFromStbFullName(const char *stbFullName, char *dst);
 void mndExtractTbNameFromStbFullName(const char *stbFullName, char *dst, int32_t dstSize);
diff --git a/source/dnode/mnode/impl/src/mndDef.c b/source/dnode/mnode/impl/src/mndDef.c
index 08ce161409..e6f1a40993 100644
--- a/source/dnode/mnode/impl/src/mndDef.c
+++ b/source/dnode/mnode/impl/src/mndDef.c
@@ -116,6 +116,25 @@ int32_t tDecodeSStreamObj(SDecoder *pDecoder, SStreamObj *pObj) {
   return 0;
 }
 
+void tFreeStreamObj(SStreamObj *pStream) {
+  taosMemoryFree(pStream->sql);
+  taosMemoryFree(pStream->ast);
+  taosMemoryFree(pStream->physicalPlan);
+  if (pStream->outputSchema.nCols) taosMemoryFree(pStream->outputSchema.pSchema);
+
+  int32_t sz = taosArrayGetSize(pStream->tasks);
+  for (int32_t i = 0; i < sz; i++) {
+    SArray *pLevel = taosArrayGetP(pStream->tasks, i);
+    int32_t taskSz = taosArrayGetSize(pLevel);
+    for (int32_t j = 0; j < taskSz; j++) {
+      SStreamTask *pTask = taosArrayGetP(pLevel, j);
+      tFreeSStreamTask(pTask);
+    }
+    taosArrayDestroy(pLevel);
+  }
+  taosArrayDestroy(pStream->tasks);
+}
+
 SMqVgEp *tCloneSMqVgEp(const SMqVgEp *pVgEp) {
   SMqVgEp *pVgEpNew = taosMemoryMalloc(sizeof(SMqVgEp));
   if (pVgEpNew == NULL) return NULL;
diff --git a/source/dnode/mnode/impl/src/mndScheduler.c b/source/dnode/mnode/impl/src/mndScheduler.c
index a24b7ef459..3bfd7eb596 100644
--- a/source/dnode/mnode/impl/src/mndScheduler.c
+++ b/source/dnode/mnode/impl/src/mndScheduler.c
@@ -424,6 +424,8 @@ int32_t mndScheduleStream(SMnode* pMnode, SStreamObj* pStream) {
       }
       mndAddTaskToTaskSet(taskSourceLevel, pTask);
 
+      pTask->triggerParam = 0;
+
       // source
       pTask->taskLevel = TASK_LEVEL__SOURCE;
 
diff --git a/source/dnode/mnode/impl/src/mndStb.c b/source/dnode/mnode/impl/src/mndStb.c
index dd2b595c29..e0f2b83160 100644
--- a/source/dnode/mnode/impl/src/mndStb.c
+++ b/source/dnode/mnode/impl/src/mndStb.c
@@ -266,6 +266,15 @@ _OVER:
   return pRow;
 }
 
+void mndFreeStb(SStbObj *pStb) {
+  taosArrayDestroy(pStb->pFuncs);
+  taosMemoryFreeClear(pStb->pColumns);
+  taosMemoryFreeClear(pStb->pTags);
+  taosMemoryFreeClear(pStb->comment);
+  taosMemoryFreeClear(pStb->pAst1);
+  taosMemoryFreeClear(pStb->pAst2);
+}
+
 static int32_t mndStbActionInsert(SSdb *pSdb, SStbObj *pStb) {
   mTrace("stb:%s, perform insert action, row:%p", pStb->name, pStb);
   return 0;
@@ -273,12 +282,7 @@ static int32_t mndStbActionInsert(SSdb *pSdb, SStbObj *pStb) {
 
 static int32_t mndStbActionDelete(SSdb *pSdb, SStbObj *pStb) {
   mTrace("stb:%s, perform delete action, row:%p", pStb->name, pStb);
-  taosArrayDestroy(pStb->pFuncs);
-  taosMemoryFreeClear(pStb->pColumns);
-  taosMemoryFreeClear(pStb->pTags);
-  taosMemoryFreeClear(pStb->comment);
-  taosMemoryFreeClear(pStb->pAst1);
-  taosMemoryFreeClear(pStb->pAst2);
+  mndFreeStb(pStb);
   return 0;
 }
 
@@ -2021,8 +2025,7 @@ static int32_t mndCheckDropStbForTopic(SMnode *pMnode, const char *stbFullName,
     FOREACH(pNode, pNodeList) {
       SColumnNode *pCol = (SColumnNode *)pNode;
 
-      if (pCol->tableId != suid) {
-        mDebug("topic:%s, check colId:%d passed", pTopic->name, pCol->colId);
+      if (pCol->tableId == suid) {
         sdbRelease(pSdb, pTopic);
         nodesDestroyNode(pAst);
         return -1;
@@ -2045,6 +2048,16 @@ static int32_t mndCheckDropStbForStream(SMnode *pMnode, const char *stbFullName,
     pIter = sdbFetch(pSdb, SDB_STREAM, pIter, (void **)&pStream);
     if (pIter == NULL) break;
 
+    if (pStream->smaId != 0) {
+      sdbRelease(pSdb, pStream);
+      continue;
+    }
+
+    if (pStream->targetStbUid == suid) {
+      sdbRelease(pSdb, pStream);
+      return -1;
+    }
+
     SNode *pAst = NULL;
     if (nodesStringToNode(pStream->ast, &pAst) != 0) {
       ASSERT(0);
@@ -2057,8 +2070,7 @@ static int32_t mndCheckDropStbForStream(SMnode *pMnode, const char *stbFullName,
     FOREACH(pNode, pNodeList) {
       SColumnNode *pCol = (SColumnNode *)pNode;
 
-      if (pCol->tableId != suid) {
-        mDebug("stream:%s, check colId:%d passed", pStream->name, pCol->colId);
+      if (pCol->tableId == suid) {
         sdbRelease(pSdb, pStream);
         nodesDestroyNode(pAst);
         return -1;
diff --git a/source/dnode/mnode/impl/src/mndStream.c b/source/dnode/mnode/impl/src/mndStream.c
index 8c453e0c88..6dc8e2072b 100644
--- a/source/dnode/mnode/impl/src/mndStream.c
+++ b/source/dnode/mnode/impl/src/mndStream.c
@@ -167,6 +167,9 @@ static int32_t mndStreamActionInsert(SSdb *pSdb, SStreamObj *pStream) {
 
 static int32_t mndStreamActionDelete(SSdb *pSdb, SStreamObj *pStream) {
   mTrace("stream:%s, perform delete action", pStream->name);
+  taosWLockLatch(&pStream->lock);
+  tFreeStreamObj(pStream);
+  taosWUnLockLatch(&pStream->lock);
   return 0;
 }
 
@@ -493,10 +496,17 @@ static int32_t mndCreateStbForStream(SMnode *pMnode, STrans *pTrans, const SStre
 
   stbObj.uid = pStream->targetStbUid;
 
-  if (mndAddStbToTrans(pMnode, pTrans, pDb, &stbObj) < 0) goto _OVER;
+  if (mndAddStbToTrans(pMnode, pTrans, pDb, &stbObj) < 0) {
+    mndFreeStb(&stbObj);
+    goto _OVER;
+  }
+
+  tFreeSMCreateStbReq(&createReq);
+  mndFreeStb(&stbObj);
 
   return 0;
 _OVER:
+  tFreeSMCreateStbReq(&createReq);
   mndReleaseStb(pMnode, pStb);
   mndReleaseDb(pMnode, pDb);
   return -1;
@@ -715,6 +725,7 @@ _OVER:
   mndReleaseDb(pMnode, pDb);
 
   tFreeSCMCreateStreamReq(&createStreamReq);
+  tFreeStreamObj(&streamObj);
   return code;
 }
 
diff --git a/source/dnode/vnode/inc/vnode.h b/source/dnode/vnode/inc/vnode.h
index a7ebb881dd..6e9879b6a5 100644
--- a/source/dnode/vnode/inc/vnode.h
+++ b/source/dnode/vnode/inc/vnode.h
@@ -92,8 +92,9 @@ typedef struct SMetaEntry  SMetaEntry;
 void        metaReaderInit(SMetaReader *pReader, SMeta *pMeta, int32_t flags);
 void        metaReaderClear(SMetaReader *pReader);
 int32_t     metaGetTableEntryByUid(SMetaReader *pReader, tb_uid_t uid);
+int32_t     metaGetTableTags(SMeta *pMeta, uint64_t suid, SArray *uidList, SHashObj *tags);
 int32_t     metaReadNext(SMetaReader *pReader);
-const void *metaGetTableTagVal(SMetaEntry *pEntry, int16_t type, STagVal *tagVal);
+const void *metaGetTableTagVal(void *tag, int16_t type, STagVal *tagVal);
 int         metaGetTableNameByUid(void *meta, uint64_t uid, char *tbName);
 
 typedef struct SMetaFltParam {
diff --git a/source/dnode/vnode/src/meta/metaOpen.c b/source/dnode/vnode/src/meta/metaOpen.c
index cf17459bc2..f8ecd17cb7 100644
--- a/source/dnode/vnode/src/meta/metaOpen.c
+++ b/source/dnode/vnode/src/meta/metaOpen.c
@@ -87,7 +87,7 @@ int metaOpen(SVnode *pVnode, SMeta **ppMeta) {
   }
 
   // open pCtbIdx
-  ret = tdbTbOpen("ctb.idx", sizeof(SCtbIdxKey), 0, ctbIdxKeyCmpr, pMeta->pEnv, &pMeta->pCtbIdx);
+  ret = tdbTbOpen("ctb.idx", sizeof(SCtbIdxKey), -1, ctbIdxKeyCmpr, pMeta->pEnv, &pMeta->pCtbIdx);
   if (ret < 0) {
     metaError("vgId:%d, failed to open meta child table index since %s", TD_VID(pVnode), tstrerror(terrno));
     goto _err;
diff --git a/source/dnode/vnode/src/meta/metaQuery.c b/source/dnode/vnode/src/meta/metaQuery.c
index 6ff55d2f4e..4e85cde7ca 100644
--- a/source/dnode/vnode/src/meta/metaQuery.c
+++ b/source/dnode/vnode/src/meta/metaQuery.c
@@ -53,6 +53,80 @@ _err:
   return -1;
 }
 
+// int metaGetTableEntryByUidTest(void* meta, SArray *uidList) {
+//
+//   SArray* readerList = taosArrayInit(taosArrayGetSize(uidList), sizeof(SMetaReader));
+//   SArray* uidVersion = taosArrayInit(taosArrayGetSize(uidList), sizeof(STbDbKey));
+//   SMeta  *pMeta = meta;
+//   int64_t version;
+//   SHashObj *uHash = taosHashInit(32, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), false, HASH_NO_LOCK);
+//
+//   int64_t stt1 = taosGetTimestampUs();
+//   for(int i = 0; i < taosArrayGetSize(uidList); i++) {
+//     void* ppVal = NULL;
+//     int vlen = 0;
+//     uint64_t *  uid = taosArrayGet(uidList, i);
+//     // query uid.idx
+//     if (tdbTbGet(pMeta->pUidIdx, uid, sizeof(*uid), &ppVal, &vlen) < 0) {
+//       continue;
+//     }
+//     version = *(int64_t *)ppVal;
+//
+//     STbDbKey tbDbKey = {.version = version, .uid = *uid};
+//     taosArrayPush(uidVersion, &tbDbKey);
+//     taosHashPut(uHash, uid, sizeof(int64_t), ppVal, sizeof(int64_t));
+//   }
+//   int64_t stt2 = taosGetTimestampUs();
+//   qDebug("metaGetTableEntryByUidTest1 rows:%d, cost:%ld us", taosArrayGetSize(uidList), stt2-stt1);
+//
+//   TBC        *pCur = NULL;
+//   tdbTbcOpen(pMeta->pTbDb, &pCur, NULL);
+//   tdbTbcMoveToFirst(pCur);
+//   void *pKey = NULL;
+//   int   kLen = 0;
+//
+//   while(1){
+//     SMetaReader pReader = {0};
+//     int32_t ret = tdbTbcNext(pCur, &pKey, &kLen, &pReader.pBuf, &pReader.szBuf);
+//     if (ret < 0) break;
+//     STbDbKey *tmp = (STbDbKey*)pKey;
+//     int64_t *ver = (int64_t*)taosHashGet(uHash, &tmp->uid, sizeof(int64_t));
+//     if(ver == NULL || *ver != tmp->version) continue;
+//     taosArrayPush(readerList, &pReader);
+//   }
+//   tdbTbcClose(pCur);
+//
+//   taosArrayClear(readerList);
+//   int64_t stt3 = taosGetTimestampUs();
+//   qDebug("metaGetTableEntryByUidTest2 rows:%d, cost:%ld us", taosArrayGetSize(uidList), stt3-stt2);
+//   for(int i = 0; i < taosArrayGetSize(uidVersion); i++) {
+//     SMetaReader pReader = {0};
+//
+//     STbDbKey *tbDbKey = taosArrayGet(uidVersion, i);
+//     // query table.db
+//     if (tdbTbGet(pMeta->pTbDb, tbDbKey, sizeof(STbDbKey), &pReader.pBuf, &pReader.szBuf) < 0) {
+//       continue;
+//     }
+//     taosArrayPush(readerList, &pReader);
+//   }
+//   int64_t stt4 = taosGetTimestampUs();
+//   qDebug("metaGetTableEntryByUidTest3 rows:%d, cost:%ld us", taosArrayGetSize(uidList), stt4-stt3);
+//
+//   for(int i = 0; i < taosArrayGetSize(readerList); i++){
+//     SMetaReader* pReader  = taosArrayGet(readerList, i);
+//     metaReaderInit(pReader, meta, 0);
+//     // decode the entry
+//     tDecoderInit(&pReader->coder, pReader->pBuf, pReader->szBuf);
+//
+//     if (metaDecodeEntry(&pReader->coder, &pReader->me) < 0) {
+//     }
+//     metaReaderClear(pReader);
+//   }
+//   int64_t stt5 = taosGetTimestampUs();
+//   qDebug("metaGetTableEntryByUidTest4 rows:%d, cost:%ld us", taosArrayGetSize(readerList), stt5-stt4);
+//   return 0;
+// }
+
 int metaGetTableEntryByUid(SMetaReader *pReader, tb_uid_t uid) {
   SMeta  *pMeta = pReader->pMeta;
   int64_t version;
@@ -749,9 +823,8 @@ SArray *metaGetSmaTbUids(SMeta *pMeta) {
 
 #endif
 
-const void *metaGetTableTagVal(SMetaEntry *pEntry, int16_t type, STagVal *val) {
-  ASSERT(pEntry->type == TSDB_CHILD_TABLE);
-  STag *tag = (STag *)pEntry->ctbEntry.pTags;
+const void *metaGetTableTagVal(void *pTag, int16_t type, STagVal *val) {
+  STag *tag = (STag *)pTag;
   if (type == TSDB_DATA_TYPE_JSON) {
     return tag;
   }
@@ -853,6 +926,9 @@ int32_t metaFilterTableIds(SMeta *pMeta, SMetaFltParam *param, SArray *pUids) {
         break;
       }
     }
+    if (p->suid != pKey->suid) {
+      break;
+    }
     first = false;
     if (p != NULL) {
       int32_t cmp = (*param->filterFunc)(p->data, pKey->data, pKey->type);
@@ -889,6 +965,38 @@ END:
   return ret;
 }
 
+int32_t metaGetTableTags(SMeta *pMeta, uint64_t suid, SArray *uidList, SHashObj *tags) {
+  SMCtbCursor *pCur = metaOpenCtbCursor(pMeta, suid);
+
+  SHashObj *uHash = NULL;
+  size_t    len = taosArrayGetSize(uidList);  // len > 0 means there already have uids
+  if (len > 0) {
+    uHash = taosHashInit(32, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), false, HASH_NO_LOCK);
+    for (int i = 0; i < len; i++) {
+      int64_t *uid = taosArrayGet(uidList, i);
+      taosHashPut(uHash, uid, sizeof(int64_t), &i, sizeof(i));
+    }
+  }
+  while (1) {
+    tb_uid_t id = metaCtbCursorNext(pCur);
+    if (id == 0) {
+      break;
+    }
+
+    if (len > 0 && taosHashGet(uHash, &id, sizeof(int64_t)) == NULL) {
+      continue;
+    } else if (len == 0) {
+      taosArrayPush(uidList, &id);
+    }
+
+    taosHashPut(tags, &id, sizeof(int64_t), pCur->pVal, pCur->vLen);
+  }
+
+  taosHashCleanup(uHash);
+  metaCloseCtbCursor(pCur);
+  return TSDB_CODE_SUCCESS;
+}
+
 int32_t metaGetInfo(SMeta *pMeta, int64_t uid, SMetaInfo *pInfo) {
   int32_t code = 0;
   void   *pData = NULL;
diff --git a/source/dnode/vnode/src/meta/metaTable.c b/source/dnode/vnode/src/meta/metaTable.c
index 424a0cd3b6..c1e59adbb0 100644
--- a/source/dnode/vnode/src/meta/metaTable.c
+++ b/source/dnode/vnode/src/meta/metaTable.c
@@ -180,11 +180,29 @@ int metaDelJsonVarFromIdx(SMeta *pMeta, const SMetaEntry *pCtbEntry, const SSche
 }
 
 int metaCreateSTable(SMeta *pMeta, int64_t version, SVCreateStbReq *pReq) {
-  SMetaEntry me = {0};
+  SMetaEntry  me = {0};
+  int         kLen = 0;
+  int         vLen = 0;
+  const void *pKey = NULL;
+  const void *pVal = NULL;
+  void       *pBuf = NULL;
+  int32_t     szBuf = 0;
+  void       *p = NULL;
 
   // validate req
-  if (tdbTbGet(pMeta->pNameIdx, pReq->name, strlen(pReq->name), NULL, NULL) == 0) {
-    return 0;
+  void *pData = NULL;
+  int   nData = 0;
+  if (tdbTbGet(pMeta->pNameIdx, pReq->name, strlen(pReq->name) + 1, &pData, &nData) == 0) {
+    tb_uid_t uid = *(tb_uid_t *)pData;
+    tdbFree(pData);
+    SMetaInfo info;
+    metaGetInfo(pMeta, uid, &info);
+    if (info.uid == info.suid) {
+      return 0;
+    } else {
+      terrno = TSDB_CODE_TDB_TABLE_ALREADY_EXIST;
+      return -1;
+    }
   }
 
   // set structs
@@ -865,6 +883,9 @@ static int metaUpdateTableTagVal(SMeta *pMeta, int64_t version, SVAlterTbReq *pA
     metaUpdateTagIdx(pMeta, &ctbEntry);
   }
 
+  SCtbIdxKey ctbIdxKey = {.suid = ctbEntry.ctbEntry.suid, .uid = uid};
+  tdbTbUpsert(pMeta->pCtbIdx, &ctbIdxKey, sizeof(ctbIdxKey), ctbEntry.ctbEntry.pTags, ((STag*)(ctbEntry.ctbEntry.pTags))->len, &pMeta->txn);
+
   tDecoderClear(&dc1);
   tDecoderClear(&dc2);
   if (ctbEntry.ctbEntry.pTags) taosMemoryFree((void *)ctbEntry.ctbEntry.pTags);
@@ -1069,7 +1090,8 @@ static int metaUpdateTtlIdx(SMeta *pMeta, const SMetaEntry *pME) {
 
 static int metaUpdateCtbIdx(SMeta *pMeta, const SMetaEntry *pME) {
   SCtbIdxKey ctbIdxKey = {.suid = pME->ctbEntry.suid, .uid = pME->uid};
-  return tdbTbInsert(pMeta->pCtbIdx, &ctbIdxKey, sizeof(ctbIdxKey), NULL, 0, &pMeta->txn);
+
+  return tdbTbInsert(pMeta->pCtbIdx, &ctbIdxKey, sizeof(ctbIdxKey), pME->ctbEntry.pTags, ((STag*)(pME->ctbEntry.pTags))->len, &pMeta->txn);
 }
 
 int metaCreateTagIdxKey(tb_uid_t suid, int32_t cid, const void *pTagData, int32_t nTagData, int8_t type, tb_uid_t uid,
diff --git a/source/dnode/vnode/src/tq/tq.c b/source/dnode/vnode/src/tq/tq.c
index a98fea1988..c6bc8e6e59 100644
--- a/source/dnode/vnode/src/tq/tq.c
+++ b/source/dnode/vnode/src/tq/tq.c
@@ -628,8 +628,6 @@ int32_t tqProcessVgChangeReq(STQ* pTq, int64_t version, char* msg, int32_t msgLe
 }
 
 int32_t tqExpandTask(STQ* pTq, SStreamTask* pTask) {
-  int32_t code = 0;
-
   if (pTask->taskLevel == TASK_LEVEL__AGG) {
     ASSERT(taosArrayGetSize(pTask->childEpInfo) != 0);
   }
@@ -640,8 +638,7 @@ int32_t tqExpandTask(STQ* pTq, SStreamTask* pTask) {
   pTask->outputQueue = streamQueueOpen();
 
   if (pTask->inputQueue == NULL || pTask->outputQueue == NULL) {
-    code = -1;
-    goto FAIL;
+    return -1;
   }
 
   pTask->inputStatus = TASK_INPUT_STATUS__NORMAL;
@@ -686,14 +683,9 @@ int32_t tqExpandTask(STQ* pTq, SStreamTask* pTask) {
 
   streamSetupTrigger(pTask);
 
-  tqInfo("deploy stream task on vg %d, task id %d, child id %d", TD_VID(pTq->pVnode), pTask->taskId,
+  tqInfo("expand stream task on vg %d, task id %d, child id %d", TD_VID(pTq->pVnode), pTask->taskId,
          pTask->selfChildId);
-
-FAIL:
-  if (pTask->inputQueue) streamQueueClose(pTask->inputQueue);
-  if (pTask->outputQueue) streamQueueClose(pTask->outputQueue);
-  // TODO free executor
-  return code;
+  return 0;
 }
 
 int32_t tqProcessTaskDeployReq(STQ* pTq, int64_t version, char* msg, int32_t msgLen) {
diff --git a/source/dnode/vnode/src/tq/tqSink.c b/source/dnode/vnode/src/tq/tqSink.c
index 55630511bf..522bf46aa1 100644
--- a/source/dnode/vnode/src/tq/tqSink.c
+++ b/source/dnode/vnode/src/tq/tqSink.c
@@ -231,34 +231,35 @@ void tqTableSink(SStreamTask* pTask, void* vnode, int64_t ver, void* data) {
 
   ASSERT(pTask->tbSink.pTSchema);
   deleteReq.deleteReqs = taosArrayInit(0, sizeof(SSingleDeleteReq));
-  SSubmitReq* pReq = tqBlockToSubmit(pVnode, pRes, pTask->tbSink.pTSchema, true, pTask->tbSink.stbUid,
-                                     pTask->tbSink.stbFullName, &deleteReq);
+  SSubmitReq* submitReq = tqBlockToSubmit(pVnode, pRes, pTask->tbSink.pTSchema, true, pTask->tbSink.stbUid,
+                                          pTask->tbSink.stbFullName, &deleteReq);
 
   tqDebug("vgId:%d, task %d convert blocks over, put into write-queue", TD_VID(pVnode), pTask->taskId);
 
-  int32_t code;
-  int32_t len;
-  tEncodeSize(tEncodeSBatchDeleteReq, &deleteReq, len, code);
-  if (code < 0) {
-    //
-    ASSERT(0);
-  }
-  SEncoder encoder;
-  void*    buf = rpcMallocCont(len + sizeof(SMsgHead));
-  void*    abuf = POINTER_SHIFT(buf, sizeof(SMsgHead));
-  tEncoderInit(&encoder, abuf, len);
-  tEncodeSBatchDeleteReq(&encoder, &deleteReq);
-  tEncoderClear(&encoder);
-
-  ((SMsgHead*)buf)->vgId = pVnode->config.vgId;
-
   if (taosArrayGetSize(deleteReq.deleteReqs) != 0) {
+    int32_t code;
+    int32_t len;
+    tEncodeSize(tEncodeSBatchDeleteReq, &deleteReq, len, code);
+    if (code < 0) {
+      //
+      ASSERT(0);
+    }
+    SEncoder encoder;
+    void*    serializedDeleteReq = rpcMallocCont(len + sizeof(SMsgHead));
+    void*    abuf = POINTER_SHIFT(serializedDeleteReq, sizeof(SMsgHead));
+    tEncoderInit(&encoder, abuf, len);
+    tEncodeSBatchDeleteReq(&encoder, &deleteReq);
+    tEncoderClear(&encoder);
+
+    ((SMsgHead*)serializedDeleteReq)->vgId = pVnode->config.vgId;
+
     SRpcMsg msg = {
         .msgType = TDMT_VND_BATCH_DEL,
-        .pCont = buf,
+        .pCont = serializedDeleteReq,
         .contLen = len + sizeof(SMsgHead),
     };
     if (tmsgPutToQueue(&pVnode->msgCb, WRITE_QUEUE, &msg) != 0) {
+      rpcFreeCont(serializedDeleteReq);
       tqDebug("failed to put into write-queue since %s", terrstr());
     }
   }
@@ -268,11 +269,12 @@ void tqTableSink(SStreamTask* pTask, void* vnode, int64_t ver, void* data) {
   // build write msg
   SRpcMsg msg = {
       .msgType = TDMT_VND_SUBMIT,
-      .pCont = pReq,
-      .contLen = ntohl(pReq->length),
+      .pCont = submitReq,
+      .contLen = ntohl(submitReq->length),
   };
 
   if (tmsgPutToQueue(&pVnode->msgCb, WRITE_QUEUE, &msg) != 0) {
+    rpcFreeCont(submitReq);
     tqDebug("failed to put into write-queue since %s", terrstr());
   }
 }
diff --git a/source/libs/executor/src/executil.c b/source/libs/executor/src/executil.c
index 34247d3b47..1dabea0d6b 100644
--- a/source/libs/executor/src/executil.c
+++ b/source/libs/executor/src/executil.c
@@ -221,7 +221,7 @@ EDealRes doTranslateTagExpr(SNode** pNode, void* pContext) {
 
     STagVal tagVal = {0};
     tagVal.cid = pSColumnNode->colId;
-    const char* p = metaGetTableTagVal(&mr->me, pSColumnNode->node.resType.type, &tagVal);
+    const char* p = metaGetTableTagVal(mr->me.ctbEntry.pTags, pSColumnNode->node.resType.type, &tagVal);
     if (p == NULL) {
       res->node.resType.type = TSDB_DATA_TYPE_NULL;
     } else if (pSColumnNode->node.resType.type == TSDB_DATA_TYPE_JSON) {
@@ -298,6 +298,209 @@ int32_t isQualifiedTable(STableKeyInfo* info, SNode* pTagCond, void* metaHandle,
   return TSDB_CODE_SUCCESS;
 }
 
+typedef struct tagFilterAssist{
+  SHashObj *colHash;
+  int32_t   index;
+  SArray   *cInfoList;
+}tagFilterAssist;
+
+static EDealRes getColumn(SNode** pNode, void* pContext) {
+  SColumnNode* pSColumnNode = NULL;
+  if (QUERY_NODE_COLUMN == nodeType((*pNode))) {
+    pSColumnNode = *(SColumnNode**)pNode;
+  }else if(QUERY_NODE_FUNCTION == nodeType((*pNode))){
+    SFunctionNode* pFuncNode = *(SFunctionNode**)(pNode);
+    if (pFuncNode->funcType == FUNCTION_TYPE_TBNAME) {
+      pSColumnNode = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
+      if (NULL == pSColumnNode) {
+        return DEAL_RES_ERROR;
+      }
+      pSColumnNode->colId = -1;
+      pSColumnNode->colType = COLUMN_TYPE_TBNAME;
+      pSColumnNode->node.resType.type = TSDB_DATA_TYPE_VARCHAR;
+      pSColumnNode->node.resType.bytes = TSDB_TABLE_FNAME_LEN - 1 + VARSTR_HEADER_SIZE;
+      nodesDestroyNode(*pNode);
+      *pNode = (SNode*)pSColumnNode;
+    }else{
+      return DEAL_RES_CONTINUE;
+    }
+  }else{
+    return DEAL_RES_CONTINUE;
+  }
+
+  tagFilterAssist *pData = (tagFilterAssist *)pContext;
+  void *data = taosHashGet(pData->colHash, &pSColumnNode->colId, sizeof(pSColumnNode->colId));
+  if(!data){
+    taosHashPut(pData->colHash, &pSColumnNode->colId, sizeof(pSColumnNode->colId), pNode, sizeof((*pNode)));
+    pSColumnNode->slotId = pData->index++;
+    SColumnInfo cInfo = {.colId = pSColumnNode->colId, .type = pSColumnNode->node.resType.type, .bytes = pSColumnNode->node.resType.bytes};
+#if TAG_FILTER_DEBUG
+    qDebug("tagfilter build column info, slotId:%d, colId:%d, type:%d", pSColumnNode->slotId, cInfo.colId, cInfo.type);
+#endif
+    taosArrayPush(pData->cInfoList, &cInfo);
+  }else{
+    SColumnNode* col = *(SColumnNode**)data;
+    pSColumnNode->slotId = col->slotId;
+  }
+
+  return DEAL_RES_CONTINUE;
+}
+
+static int32_t createResultData(SDataType* pType, int32_t numOfRows, SScalarParam* pParam) {
+  SColumnInfoData* pColumnData = taosMemoryCalloc(1, sizeof(SColumnInfoData));
+  if (pColumnData == NULL) {
+    terrno = TSDB_CODE_OUT_OF_MEMORY;
+    return terrno;
+  }
+
+  pColumnData->info.type      = pType->type;
+  pColumnData->info.bytes     = pType->bytes;
+  pColumnData->info.scale     = pType->scale;
+  pColumnData->info.precision = pType->precision;
+
+  int32_t code = colInfoDataEnsureCapacity(pColumnData, numOfRows);
+  if (code != TSDB_CODE_SUCCESS) {
+    terrno = TSDB_CODE_OUT_OF_MEMORY;
+    taosMemoryFree(pColumnData);
+    return terrno;
+  }
+
+  pParam->columnData = pColumnData;
+  pParam->colAlloced = true;
+  return TSDB_CODE_SUCCESS;
+}
+
+static SColumnInfoData* getColInfoResult(void* metaHandle, uint64_t suid, SArray* uidList, SNode* pTagCond){
+  int32_t code = TSDB_CODE_SUCCESS;
+  SArray* pBlockList = NULL;
+  SSDataBlock* pResBlock = NULL;
+  SHashObj * tags = NULL;
+  SScalarParam output = {0};
+
+  tagFilterAssist ctx = {0};
+  ctx.colHash = taosHashInit(4, taosGetDefaultHashFunction(TSDB_DATA_TYPE_SMALLINT), false, HASH_NO_LOCK);
+  if(ctx.colHash == NULL){
+    terrno = TSDB_CODE_OUT_OF_MEMORY;
+    goto end;
+  }
+  ctx.index = 0;
+  ctx.cInfoList = taosArrayInit(4, sizeof(SColumnInfo));
+  if(ctx.cInfoList == NULL){
+    terrno = TSDB_CODE_OUT_OF_MEMORY;
+    goto end;
+  }
+
+  nodesRewriteExprPostOrder(&pTagCond, getColumn, (void *)&ctx);
+
+  pResBlock = createDataBlock();
+  if (pResBlock == NULL) {
+    terrno = TSDB_CODE_OUT_OF_MEMORY;
+    goto end;
+  }
+
+  for (int32_t i = 0; i < taosArrayGetSize(ctx.cInfoList); ++i) {
+    SColumnInfoData colInfo = {{0}, 0};
+    colInfo.info = *(SColumnInfo*)taosArrayGet(ctx.cInfoList, i);
+    blockDataAppendColInfo(pResBlock, &colInfo);
+  }
+
+//  int64_t stt = taosGetTimestampUs();
+  tags = taosHashInit(32, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), false, HASH_NO_LOCK);
+  code = metaGetTableTags(metaHandle, suid, uidList, tags);
+  if (code != TSDB_CODE_SUCCESS) {
+    terrno = code;
+    goto end;
+  }
+
+  int32_t rows = taosArrayGetSize(uidList);
+  if(rows == 0){
+    goto end;
+  }
+//  int64_t stt1 = taosGetTimestampUs();
+//  qDebug("generate tag meta rows:%d, cost:%ld us", rows, stt1-stt);
+
+  code = blockDataEnsureCapacity(pResBlock, rows);
+  if (code != TSDB_CODE_SUCCESS) {
+    terrno = code;
+    goto end;
+  }
+
+//  int64_t st = taosGetTimestampUs();
+  for (int32_t i = 0; i < rows; i++) {
+    int64_t* uid = taosArrayGet(uidList, i);
+    void* tag = taosHashGet(tags, uid, sizeof(int64_t));
+    ASSERT(tag);
+    for(int32_t j = 0; j < taosArrayGetSize(pResBlock->pDataBlock); j++){
+      SColumnInfoData* pColInfo = (SColumnInfoData*)taosArrayGet(pResBlock->pDataBlock, j);
+
+      if(pColInfo->info.colId == -1){     // tbname
+        char str[TSDB_TABLE_FNAME_LEN + VARSTR_HEADER_SIZE] = {0};
+        metaGetTableNameByUid(metaHandle, *uid, str);
+        colDataAppend(pColInfo, i, str, false);
+#if TAG_FILTER_DEBUG
+        qDebug("tagfilter uid:%ld, tbname:%s", *uid, str+2);
+#endif
+      }else{
+        STagVal tagVal = {0};
+        tagVal.cid = pColInfo->info.colId;
+        const char* p = metaGetTableTagVal(tag, pColInfo->info.type, &tagVal);
+
+        if (p == NULL || (pColInfo->info.type == TSDB_DATA_TYPE_JSON && ((STag*)p)->nTag == 0)){
+          colDataAppend(pColInfo, i, p, true);
+        } else if (pColInfo->info.type == TSDB_DATA_TYPE_JSON) {
+          colDataAppend(pColInfo, i, p, false);
+        } else if (IS_VAR_DATA_TYPE(pColInfo->info.type)) {
+          char *tmp = taosMemoryCalloc(tagVal.nData + VARSTR_HEADER_SIZE + 1, 1);
+          varDataSetLen(tmp, tagVal.nData);
+          memcpy(tmp + VARSTR_HEADER_SIZE, tagVal.pData, tagVal.nData);
+          colDataAppend(pColInfo, i, tmp, false);
+#if TAG_FILTER_DEBUG
+          qDebug("tagfilter varch:%s", tmp+2);
+#endif
+          taosMemoryFree(tmp);
+        } else {
+          colDataAppend(pColInfo, i, (const char*)&tagVal.i64, false);
+#if TAG_FILTER_DEBUG
+          if(pColInfo->info.type == TSDB_DATA_TYPE_INT){
+            qDebug("tagfilter int:%d", *(int*)(&tagVal.i64));
+          }else if(pColInfo->info.type == TSDB_DATA_TYPE_DOUBLE){
+            qDebug("tagfilter double:%f", *(double *)(&tagVal.i64));
+          }
+#endif
+        }
+      }
+    }
+  }
+  pResBlock->info.rows = rows;
+
+//  int64_t st1 = taosGetTimestampUs();
+//  qDebug("generate tag block rows:%d, cost:%ld us", rows, st1-st);
+
+  pBlockList = taosArrayInit(2, POINTER_BYTES);
+  taosArrayPush(pBlockList, &pResBlock);
+
+  SDataType type = {.type = TSDB_DATA_TYPE_BOOL, .bytes = sizeof(bool)};
+  code = createResultData(&type, rows, &output);
+  if (code != TSDB_CODE_SUCCESS) {
+    goto end;
+  }
+
+  code = scalarCalculate(pTagCond, pBlockList, &output);
+  if(code != TSDB_CODE_SUCCESS){
+    terrno = code;
+  }
+//  int64_t st2 = taosGetTimestampUs();
+//  qDebug("calculate tag block rows:%d, cost:%ld us", rows, st2-st1);
+
+end:
+  taosHashCleanup(tags);
+  taosHashCleanup(ctx.colHash);
+  taosArrayDestroy(ctx.cInfoList);
+  blockDataDestroy(pResBlock);
+  taosArrayDestroy(pBlockList);
+  return output.columnData;
+}
+
 int32_t getTableList(void* metaHandle, void* pVnode, SScanPhysiNode* pScanNode, SNode* pTagCond, SNode* pTagIndexCond,
                      STableListInfo* pListInfo) {
   int32_t code = TSDB_CODE_SUCCESS;
@@ -308,63 +511,68 @@ int32_t getTableList(void* metaHandle, void* pVnode, SScanPhysiNode* pScanNode,
   }
 
   uint64_t tableUid = pScanNode->uid;
-
   pListInfo->suid = pScanNode->suid;
+  SArray* res = taosArrayInit(8, sizeof(uint64_t));
 
   if (pScanNode->tableType == TSDB_SUPER_TABLE) {
     if (pTagIndexCond) {
       SIndexMetaArg metaArg = {
           .metaEx = metaHandle, .idx = tsdbGetIdx(metaHandle), .ivtIdx = tsdbGetIvtIdx(metaHandle), .suid = tableUid};
 
-      SArray*       res = taosArrayInit(8, sizeof(uint64_t));
+//      int64_t stt = taosGetTimestampUs();
       SIdxFltStatus status = SFLT_NOT_INDEX;
       code = doFilterTag(pTagIndexCond, &metaArg, res, &status);
       if (code != 0 || status == SFLT_NOT_INDEX) {
         qError("failed to get tableIds from index, reason:%s, suid:%" PRIu64, tstrerror(code), tableUid);
-        //        code = TSDB_CODE_INDEX_REBUILDING;
-        code = vnodeGetAllTableList(pVnode, tableUid, pListInfo->pTableList);
-      } else {
-        qDebug("success to get tableIds, size:%d, suid:%" PRIu64, (int)taosArrayGetSize(res), tableUid);
+        code = TDB_CODE_SUCCESS;
       }
 
-      for (int i = 0; i < taosArrayGetSize(res); i++) {
-        STableKeyInfo info = {.uid = *(uint64_t*)taosArrayGet(res, i), .groupId = 0};
-        taosArrayPush(pListInfo->pTableList, &info);
-      }
-      taosArrayDestroy(res);
-    } else {
-      code = vnodeGetAllTableList(pVnode, tableUid, pListInfo->pTableList);
-    }
-
-    if (code != TSDB_CODE_SUCCESS) {
-      qError("failed to get tableIds, reason:%s, suid:%" PRIu64, tstrerror(code), tableUid);
-      terrno = code;
-      return code;
+//      int64_t stt1 = taosGetTimestampUs();
+//      qDebug("generate table list, cost:%ld us", stt1-stt);
+    }else if(!pTagCond){
+      vnodeGetCtbIdList(pVnode, pScanNode->suid, res);
     }
   } else {  // Create one table group.
-    STableKeyInfo info = {.uid = tableUid, .groupId = 0};
-    taosArrayPush(pListInfo->pTableList, &info);
+    taosArrayPush(res, &tableUid);
   }
 
   if (pTagCond) {
+    SColumnInfoData* pColInfoData = getColInfoResult(metaHandle, pListInfo->suid, res, pTagCond);
+    if(terrno != TDB_CODE_SUCCESS){
+      colDataDestroy(pColInfoData);
+      taosMemoryFreeClear(pColInfoData);
+      taosArrayDestroy(res);
+      return terrno;
+    }
+
     int32_t i = 0;
-    while (i < taosArrayGetSize(pListInfo->pTableList)) {
-      STableKeyInfo* info = taosArrayGet(pListInfo->pTableList, i);
+    int32_t j = 0;
+    int32_t len = taosArrayGetSize(res);
+    while (i < taosArrayGetSize(res) && j < len && pColInfoData) {
+      void* var = POINTER_SHIFT(pColInfoData->pData, j * pColInfoData->info.bytes);
 
-      bool qualified = true;
-      code = isQualifiedTable(info, pTagCond, metaHandle, &qualified);
-      if (code != TSDB_CODE_SUCCESS) {
-        return code;
-      }
-
-      if (!qualified) {
-        taosArrayRemove(pListInfo->pTableList, i);
+      int64_t* uid = taosArrayGet(res, i);
+      qDebug("tagfilter get uid:%ld, res:%d", *uid, *(bool*)var);
+      if (*(bool*)var == false) {
+        taosArrayRemove(res, i);
+        j++;
         continue;
       }
       i++;
+      j++;
     }
+    colDataDestroy(pColInfoData);
+    taosMemoryFreeClear(pColInfoData);
   }
 
+  for (int i = 0; i < taosArrayGetSize(res); i++) {
+    STableKeyInfo info = {.uid = *(uint64_t*)taosArrayGet(res, i), .groupId = 0};
+    taosArrayPush(pListInfo->pTableList, &info);
+    qDebug("tagfilter get uid:%ld", info.uid);
+  }
+
+  taosArrayDestroy(res);
+
   pListInfo->pGroupList = taosArrayInit(4, POINTER_BYTES);
   if (pListInfo->pGroupList == NULL) {
     return TSDB_CODE_OUT_OF_MEMORY;
diff --git a/source/libs/executor/src/scanoperator.c b/source/libs/executor/src/scanoperator.c
index 8c4fbe7971..aca0078592 100644
--- a/source/libs/executor/src/scanoperator.c
+++ b/source/libs/executor/src/scanoperator.c
@@ -440,7 +440,7 @@ int32_t addTagPseudoColumnData(SReadHandle* pHandle, SExprInfo* pPseudoExpr, int
     } else {  // these are tags
       STagVal tagVal = {0};
       tagVal.cid = pExpr->base.pParam[0].pCol->colId;
-      const char* p = metaGetTableTagVal(&mr.me, pColInfoData->info.type, &tagVal);
+      const char* p = metaGetTableTagVal(mr.me.ctbEntry.pTags, pColInfoData->info.type, &tagVal);
 
       char* data = NULL;
       if (pColInfoData->info.type != TSDB_DATA_TYPE_JSON && p != NULL) {
@@ -2506,7 +2506,7 @@ static SSDataBlock* doTagScan(SOperatorInfo* pOperator) {
       } else {  // it is a tag value
         STagVal val = {0};
         val.cid = pExprInfo[j].base.pParam[0].pCol->colId;
-        const char* p = metaGetTableTagVal(&mr.me, pDst->info.type, &val);
+        const char* p = metaGetTableTagVal(mr.me.ctbEntry.pTags, pDst->info.type, &val);
 
         char* data = NULL;
         if (pDst->info.type != TSDB_DATA_TYPE_JSON && p != NULL) {
diff --git a/source/libs/scalar/src/scalar.c b/source/libs/scalar/src/scalar.c
index 0d36fa0845..6634a29f40 100644
--- a/source/libs/scalar/src/scalar.c
+++ b/source/libs/scalar/src/scalar.c
@@ -292,6 +292,9 @@ int32_t sclInitParam(SNode* node, SScalarParam *param, SScalarCtx *ctx, int32_t
       }
 
       SColumnInfoData *columnData = (SColumnInfoData *)taosArrayGet(block->pDataBlock, ref->slotId);
+#if TAG_FILTER_DEBUG
+      qDebug("tagfilter column info, slotId:%d, colId:%d, type:%d", ref->slotId, columnData->info.colId, columnData->info.type);
+#endif
       param->numOfRows = block->info.rows;
       param->columnData = columnData;
       break;
diff --git a/source/libs/stream/inc/streamInc.h b/source/libs/stream/inc/streamInc.h
index 3776cb261f..6e30eeaa86 100644
--- a/source/libs/stream/inc/streamInc.h
+++ b/source/libs/stream/inc/streamInc.h
@@ -32,7 +32,6 @@ typedef struct {
 
 static SStreamGlobalEnv streamEnv;
 
-int32_t streamExec(SStreamTask* pTask);
 int32_t streamPipelineExec(SStreamTask* pTask, int32_t batchNum, bool dispatch);
 
 int32_t streamDispatch(SStreamTask* pTask);
diff --git a/source/libs/stream/src/stream.c b/source/libs/stream/src/stream.c
index 6da7d4fd59..d6e87c2736 100644
--- a/source/libs/stream/src/stream.c
+++ b/source/libs/stream/src/stream.c
@@ -185,7 +185,9 @@ int32_t streamProcessDispatchReq(SStreamTask* pTask, SStreamDispatchReq* pReq, S
   tFreeStreamDispatchReq(pReq);
 
   if (exec) {
-    streamTryExec(pTask);
+    if (streamTryExec(pTask) < 0) {
+      return -1;
+    }
 
     if (pTask->outputType == TASK_OUTPUT__FIXED_DISPATCH || pTask->outputType == TASK_OUTPUT__SHUFFLE_DISPATCH) {
       streamDispatch(pTask);
@@ -221,7 +223,9 @@ int32_t streamProcessDispatchRsp(SStreamTask* pTask, SStreamDispatchRsp* pRsp) {
 }
 
 int32_t streamProcessRunReq(SStreamTask* pTask) {
-  streamTryExec(pTask);
+  if (streamTryExec(pTask) < 0) {
+    return -1;
+  }
 
   if (pTask->outputType == TASK_OUTPUT__FIXED_DISPATCH || pTask->outputType == TASK_OUTPUT__SHUFFLE_DISPATCH) {
     streamDispatch(pTask);
diff --git a/source/libs/stream/src/streamMeta.c b/source/libs/stream/src/streamMeta.c
index 64a9537e6c..5ff700546c 100644
--- a/source/libs/stream/src/streamMeta.c
+++ b/source/libs/stream/src/streamMeta.c
@@ -15,6 +15,7 @@
 
 #include "executor.h"
 #include "tstream.h"
+#include "ttimer.h"
 
 SStreamMeta* streamMetaOpen(const char* path, void* ahandle, FTaskExpand expandFunc) {
   SStreamMeta* pMeta = taosMemoryCalloc(1, sizeof(SStreamMeta));
@@ -99,16 +100,19 @@ int32_t streamMetaAddSerializedTask(SStreamMeta* pMeta, int64_t startVer, char*
     goto FAIL;
   }
 
-  taosHashPut(pMeta->pTasks, &pTask->taskId, sizeof(int32_t), &pTask, sizeof(void*));
+  if (taosHashPut(pMeta->pTasks, &pTask->taskId, sizeof(int32_t), &pTask, sizeof(void*)) < 0) {
+    goto FAIL;
+  }
 
   if (tdbTbUpsert(pMeta->pTaskDb, &pTask->taskId, sizeof(int32_t), msg, msgLen, &pMeta->txn) < 0) {
+    taosHashRemove(pMeta->pTasks, &pTask->taskId, sizeof(int32_t));
     ASSERT(0);
-    return -1;
+    goto FAIL;
   }
   return 0;
 
 FAIL:
-  if (pTask) taosMemoryFree(pTask);
+  if (pTask) tFreeSStreamTask(pTask);
   return -1;
 }
 
@@ -158,11 +162,28 @@ int32_t streamMetaRemoveTask(SStreamMeta* pMeta, int32_t taskId) {
     SStreamTask* pTask = *ppTask;
     taosHashRemove(pMeta->pTasks, &taskId, sizeof(int32_t));
     atomic_store_8(&pTask->taskStatus, TASK_STATUS__DROPPING);
+
+    if (tdbTbDelete(pMeta->pTaskDb, &taskId, sizeof(int32_t), &pMeta->txn) < 0) {
+      /*return -1;*/
+    }
+
+    if (pTask->triggerParam != 0) {
+      taosTmrStop(pTask->timer);
+    }
+
+    while (1) {
+      int8_t schedStatus =
+          atomic_val_compare_exchange_8(&pTask->schedStatus, TASK_SCHED_STATUS__INACTIVE, TASK_SCHED_STATUS__DROPPING);
+      if (schedStatus == TASK_SCHED_STATUS__INACTIVE) {
+        tFreeSStreamTask(pTask);
+        break;
+      } else if (schedStatus == TASK_SCHED_STATUS__DROPPING) {
+        break;
+      }
+      taosMsleep(10);
+    }
   }
 
-  if (tdbTbDelete(pMeta->pTaskDb, &taskId, sizeof(int32_t), &pMeta->txn) < 0) {
-    /*return -1;*/
-  }
   return 0;
 }
 
diff --git a/source/libs/stream/src/streamQueue.c b/source/libs/stream/src/streamQueue.c
index 6819e5329f..ac10c82587 100644
--- a/source/libs/stream/src/streamQueue.c
+++ b/source/libs/stream/src/streamQueue.c
@@ -13,7 +13,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "tstream.h"
+#include "streamInc.h"
 
 SStreamQueue* streamQueueOpen() {
   SStreamQueue* pQueue = taosMemoryCalloc(1, sizeof(SStreamQueue));
@@ -36,9 +36,12 @@ void streamQueueClose(SStreamQueue* queue) {
   while (1) {
     void* qItem = streamQueueNextItem(queue);
     if (qItem) {
-      taosFreeQitem(qItem);
+      streamFreeQitem(qItem);
     } else {
-      return;
+      break;
     }
   }
+  taosFreeQall(queue->qall);
+  taosCloseQueue(queue->queue);
+  taosMemoryFree(queue);
 }
diff --git a/source/libs/stream/src/streamTask.c b/source/libs/stream/src/streamTask.c
index 638d39e5cc..d588d90543 100644
--- a/source/libs/stream/src/streamTask.c
+++ b/source/libs/stream/src/streamTask.c
@@ -152,9 +152,17 @@ int32_t tDecodeSStreamTask(SDecoder* pDecoder, SStreamTask* pTask) {
 }
 
 void tFreeSStreamTask(SStreamTask* pTask) {
-  streamQueueClose(pTask->inputQueue);
-  streamQueueClose(pTask->outputQueue);
+  if (pTask->inputQueue) streamQueueClose(pTask->inputQueue);
+  if (pTask->outputQueue) streamQueueClose(pTask->outputQueue);
   if (pTask->exec.qmsg) taosMemoryFree(pTask->exec.qmsg);
   if (pTask->exec.executor) qDestroyTask(pTask->exec.executor);
+  taosArrayDestroy(pTask->childEpInfo);
+  if (pTask->outputType == TASK_OUTPUT__TABLE) {
+    tDeleteSSchemaWrapper(pTask->tbSink.pSchemaWrapper);
+    taosMemoryFree(pTask->tbSink.pTSchema);
+  }
+  if (pTask->outputType == TASK_OUTPUT__SHUFFLE_DISPATCH) {
+    taosArrayDestroy(pTask->shuffleDispatcher.dbInfo.pVgroupInfos);
+  }
   taosMemoryFree(pTask);
 }
diff --git a/source/util/src/tarray.c b/source/util/src/tarray.c
index 3c4a0a20bd..454739348e 100644
--- a/source/util/src/tarray.c
+++ b/source/util/src/tarray.c
@@ -386,6 +386,7 @@ void* taosArrayDestroy(SArray* pArray) {
 }
 
 void taosArrayDestroyP(SArray* pArray, FDelete fp) {
+  if(!pArray) return;
   for (int32_t i = 0; i < pArray->size; i++) {
     fp(*(void**)TARRAY_GET_ELEM(pArray, i));
   }
diff --git a/source/util/src/terror.c b/source/util/src/terror.c
index b3cf881c13..662a3f0c88 100644
--- a/source/util/src/terror.c
+++ b/source/util/src/terror.c
@@ -293,6 +293,7 @@ TAOS_DEFINE_ERROR(TSDB_CODE_MND_CGROUP_USED,              "Consumer group being
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_STREAM_ALREADY_EXIST,     "Stream already exists")
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_STREAM_NOT_EXIST,         "Stream not exist")
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_INVALID_STREAM_OPTION,    "Invalid stream option")
+TAOS_DEFINE_ERROR(TSDB_CODE_MND_STREAM_MUST_BE_DELETED,   "Stream must be dropped first")
 
 // mnode-sma
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_SMA_ALREADY_EXIST,        "SMA already exists")
diff --git a/tests/script/tsim/db/basic2.sim b/tests/script/tsim/db/basic2.sim
index 114adf98e6..2ba7d806af 100644
--- a/tests/script/tsim/db/basic2.sim
+++ b/tests/script/tsim/db/basic2.sim
@@ -3,6 +3,21 @@ system sh/deploy.sh -n dnode1 -i 1
 system sh/exec.sh -n dnode1 -s start
 sql connect
 
+print =============== conflict stb
+sql create database db vgroups 1;
+sql use db;
+sql create table stb (ts timestamp, i int) tags (j int);
+sql_error create table stb using stb tags (1);
+sql_error create table stb (ts timestamp, i int);
+
+sql create table ctb (ts timestamp, i int);
+sql_error create table ctb (ts timestamp, i int) tags (j int);
+
+sql create table ntb (ts timestamp, i int);
+sql_error create table ntb (ts timestamp, i int) tags (j int);
+
+sql drop database db
+
 print =============== create database d1
 sql create database d1
 sql use d1
diff --git a/tests/system-test/2-query/json_tag.py b/tests/system-test/2-query/json_tag.py
index 698695a228..856d764747 100644
--- a/tests/system-test/2-query/json_tag.py
+++ b/tests/system-test/2-query/json_tag.py
@@ -197,7 +197,7 @@ class TDTestCase:
 
         # test where with json tag
         tdSql.query(f"select * from {dbname}.jsons1_1 where jtag is not null")
-        tdSql.query(f"select * from {dbname}.jsons1 where jtag='{{\"tag1\":11,\"tag2\":\"\"}}'")
+        tdSql.error(f"select * from {dbname}.jsons1 where jtag='{{\"tag1\":11,\"tag2\":\"\"}}'")
         tdSql.error(f"select * from {dbname}.jsons1 where jtag->'tag1'={{}}")
 
         # test json error