diff --git a/include/libs/stream/tstream.h b/include/libs/stream/tstream.h
index 239fcdad8d3afe8803b1a39243f4d1f8fdeb4405..842e656b9ded148534e1cc488dff53071eb95ae1 100644
--- a/include/libs/stream/tstream.h
+++ b/include/libs/stream/tstream.h
@@ -476,8 +476,10 @@ typedef struct SStreamMeta {
 SStreamMeta* streamMetaOpen(const char* path, void* ahandle, FTaskExpand expandFunc);
 void         streamMetaClose(SStreamMeta* streamMeta);
 
-int32_t streamMetaAddTask(SStreamMeta* pMeta, SStreamTask* pTask);
-int32_t streamMetaRemoveTask(SStreamMeta* pMeta, int32_t taskId);
+int32_t      streamMetaAddTask(SStreamMeta* pMeta, SStreamTask* pTask);
+int32_t      streamMetaAddSerializedTask(SStreamMeta* pMeta, char* msg, int32_t msgLen);
+int32_t      streamMetaRemoveTask(SStreamMeta* pMeta, int32_t taskId);
+SStreamTask* streamMetaGetTask(SStreamMeta* pMeta, int32_t taskId);
 
 int32_t streamMetaBegin(SStreamMeta* pMeta);
 int32_t streamMetaCommit(SStreamMeta* pMeta);
diff --git a/source/dnode/vnode/src/inc/tq.h b/source/dnode/vnode/src/inc/tq.h
index c093b2cd5d1eb6142dc33d0d2f4fa4693debdce7..a1dba41c941f9baf8a28304b80eb12530e929e9d 100644
--- a/source/dnode/vnode/src/inc/tq.h
+++ b/source/dnode/vnode/src/inc/tq.h
@@ -117,10 +117,9 @@ typedef struct {
 struct STQ {
   SVnode*   pVnode;
   char*     path;
-  SHashObj* pushMgr;       // consumerId -> STqHandle*
-  SHashObj* handles;       // subKey -> STqHandle
-  SHashObj* pStreamTasks;  // taksId -> SStreamTask
-  SHashObj* pAlterInfo;    // topic -> SAlterCheckInfo
+  SHashObj* pushMgr;     // consumerId -> STqHandle*
+  SHashObj* handles;     // subKey -> STqHandle
+  SHashObj* pAlterInfo;  // topic -> SAlterCheckInfo
 
   STqOffsetStore* pOffsetStore;
 
@@ -129,9 +128,7 @@ struct STQ {
 
   TTB* pAlterInfoStore;
 
-  TDB* pStreamStore;
-  TTB* pTaskDb;
-  TTB* pTaskState;
+  SStreamMeta* pStreamMeta;
 };
 
 typedef struct {
@@ -188,6 +185,9 @@ static FORCE_INLINE void tqOffsetResetToLog(STqOffsetVal* pOffsetVal, int64_t ve
   pOffsetVal->version = ver;
 }
 
+// tqStream
+int32_t tqExpandTask(STQ* pTq, SStreamTask* pTask);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/source/dnode/vnode/src/tq/tq.c b/source/dnode/vnode/src/tq/tq.c
index 62e37f048edcaea1710db79418bf77697f252c5d..c1c680fc56df0ff76f5c1c9c13897bfd233cf34c 100644
--- a/source/dnode/vnode/src/tq/tq.c
+++ b/source/dnode/vnode/src/tq/tq.c
@@ -62,8 +62,6 @@ STQ* tqOpen(const char* path, SVnode* pVnode) {
 
   pTq->handles = taosHashInit(64, MurmurHash3_32, true, HASH_ENTRY_LOCK);
 
-  pTq->pStreamTasks = taosHashInit(64, taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT), true, HASH_NO_LOCK);
-
   pTq->pushMgr = taosHashInit(64, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), true, HASH_ENTRY_LOCK);
 
   pTq->pAlterInfo = taosHashInit(64, MurmurHash3_32, true, HASH_ENTRY_LOCK);
@@ -76,6 +74,11 @@ STQ* tqOpen(const char* path, SVnode* pVnode) {
     ASSERT(0);
   }
 
+  pTq->pStreamMeta = streamMetaOpen(path, pTq, (FTaskExpand*)tqExpandTask);
+  if (pTq->pStreamMeta == NULL) {
+    ASSERT(0);
+  }
+
   return pTq;
 }
 
@@ -83,18 +86,11 @@ void tqClose(STQ* pTq) {
   if (pTq) {
     tqOffsetClose(pTq->pOffsetStore);
     taosHashCleanup(pTq->handles);
-    void* pIter = NULL;
-    while (1) {
-      pIter = taosHashIterate(pTq->pStreamTasks, pIter);
-      if (pIter == NULL) break;
-      SStreamTask* pTask = *(SStreamTask**)pIter;
-      tFreeSStreamTask(pTask);
-    }
-    taosHashCleanup(pTq->pStreamTasks);
     taosHashCleanup(pTq->pushMgr);
     taosHashCleanup(pTq->pAlterInfo);
     taosMemoryFree(pTq->path);
     tqMetaClose(pTq);
+    streamMetaClose(pTq->pStreamMeta);
     taosMemoryFree(pTq);
   }
 }
@@ -672,6 +668,9 @@ FAIL:
 }
 
 int32_t tqProcessTaskDeployReq(STQ* pTq, char* msg, int32_t msgLen) {
+  //
+  return streamMetaAddSerializedTask(pTq->pStreamMeta, msg, msgLen);
+#if 0
   SStreamTask* pTask = taosMemoryCalloc(1, sizeof(SStreamTask));
   if (pTask == NULL) {
     return -1;
@@ -695,6 +694,7 @@ int32_t tqProcessTaskDeployReq(STQ* pTq, char* msg, int32_t msgLen) {
 FAIL:
   if (pTask) taosMemoryFree(pTask);
   return -1;
+#endif
 }
 
 int32_t tqProcessStreamTrigger(STQ* pTq, SSubmitReq* pReq, int64_t ver) {
@@ -710,7 +710,7 @@ int32_t tqProcessStreamTrigger(STQ* pTq, SSubmitReq* pReq, int64_t ver) {
   }
 
   while (1) {
-    pIter = taosHashIterate(pTq->pStreamTasks, pIter);
+    pIter = taosHashIterate(pTq->pStreamMeta->pTasks, pIter);
     if (pIter == NULL) break;
     SStreamTask* pTask = *(SStreamTask**)pIter;
     if (pTask->taskLevel != TASK_LEVEL__SOURCE) continue;
@@ -744,9 +744,9 @@ int32_t tqProcessTaskRunReq(STQ* pTq, SRpcMsg* pMsg) {
   //
   SStreamTaskRunReq* pReq = pMsg->pCont;
   int32_t            taskId = pReq->taskId;
-  SStreamTask**      ppTask = (SStreamTask**)taosHashGet(pTq->pStreamTasks, &taskId, sizeof(int32_t));
-  if (ppTask) {
-    streamProcessRunReq(*ppTask);
+  SStreamTask*       pTask = streamMetaGetTask(pTq->pStreamMeta, taskId);
+  if (pTask) {
+    streamProcessRunReq(pTask);
     return 0;
   } else {
     return -1;
@@ -762,14 +762,15 @@ int32_t tqProcessTaskDispatchReq(STQ* pTq, SRpcMsg* pMsg, bool exec) {
   SDecoder           decoder;
   tDecoderInit(&decoder, (uint8_t*)msgBody, msgLen);
   tDecodeStreamDispatchReq(&decoder, &req);
-  int32_t       taskId = req.taskId;
-  SStreamTask** ppTask = (SStreamTask**)taosHashGet(pTq->pStreamTasks, &taskId, sizeof(int32_t));
-  if (ppTask) {
+  int32_t taskId = req.taskId;
+
+  SStreamTask* pTask = streamMetaGetTask(pTq->pStreamMeta, taskId);
+  if (pTask) {
     SRpcMsg rsp = {
         .info = pMsg->info,
         .code = 0,
     };
-    streamProcessDispatchReq(*ppTask, &req, &rsp, exec);
+    streamProcessDispatchReq(pTask, &req, &rsp, exec);
     return 0;
   } else {
     return -1;
@@ -779,9 +780,9 @@ int32_t tqProcessTaskDispatchReq(STQ* pTq, SRpcMsg* pMsg, bool exec) {
 int32_t tqProcessTaskRecoverReq(STQ* pTq, SRpcMsg* pMsg) {
   SStreamTaskRecoverReq* pReq = pMsg->pCont;
   int32_t                taskId = pReq->taskId;
-  SStreamTask**          ppTask = (SStreamTask**)taosHashGet(pTq->pStreamTasks, &taskId, sizeof(int32_t));
-  if (ppTask) {
-    streamProcessRecoverReq(*ppTask, pReq, pMsg);
+  SStreamTask*           pTask = streamMetaGetTask(pTq->pStreamMeta, taskId);
+  if (pTask) {
+    streamProcessRecoverReq(pTask, pReq, pMsg);
     return 0;
   } else {
     return -1;
@@ -791,9 +792,9 @@ int32_t tqProcessTaskRecoverReq(STQ* pTq, SRpcMsg* pMsg) {
 int32_t tqProcessTaskDispatchRsp(STQ* pTq, SRpcMsg* pMsg) {
   SStreamDispatchRsp* pRsp = POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead));
   int32_t             taskId = pRsp->taskId;
-  SStreamTask**       ppTask = (SStreamTask**)taosHashGet(pTq->pStreamTasks, &taskId, sizeof(int32_t));
-  if (ppTask) {
-    streamProcessDispatchRsp(*ppTask, pRsp);
+  SStreamTask*        pTask = streamMetaGetTask(pTq->pStreamMeta, taskId);
+  if (pTask) {
+    streamProcessDispatchRsp(pTask, pRsp);
     return 0;
   } else {
     return -1;
@@ -803,9 +804,10 @@ int32_t tqProcessTaskDispatchRsp(STQ* pTq, SRpcMsg* pMsg) {
 int32_t tqProcessTaskRecoverRsp(STQ* pTq, SRpcMsg* pMsg) {
   SStreamTaskRecoverRsp* pRsp = pMsg->pCont;
   int32_t                taskId = pRsp->rspTaskId;
-  SStreamTask**          ppTask = (SStreamTask**)taosHashGet(pTq->pStreamTasks, &taskId, sizeof(int32_t));
-  if (ppTask) {
-    streamProcessRecoverRsp(*ppTask, pRsp);
+
+  SStreamTask* pTask = streamMetaGetTask(pTq->pStreamMeta, taskId);
+  if (pTask) {
+    streamProcessRecoverRsp(pTask, pRsp);
     return 0;
   } else {
     return -1;
@@ -815,18 +817,7 @@ int32_t tqProcessTaskRecoverRsp(STQ* pTq, SRpcMsg* pMsg) {
 int32_t tqProcessTaskDropReq(STQ* pTq, char* msg, int32_t msgLen) {
   SVDropStreamTaskReq* pReq = (SVDropStreamTaskReq*)msg;
 
-  SStreamTask** ppTask = (SStreamTask**)taosHashGet(pTq->pStreamTasks, &pReq->taskId, sizeof(int32_t));
-  if (ppTask) {
-    SStreamTask* pTask = *ppTask;
-    taosHashRemove(pTq->pStreamTasks, &pReq->taskId, sizeof(int32_t));
-    atomic_store_8(&pTask->taskStatus, TASK_STATUS__DROPPING);
-  }
-  // todo
-  // clear queue
-  // push drop req into queue
-  // launch exec to free memory
-  // remove from hash
-  return 0;
+  return streamMetaRemoveTask(pTq->pStreamMeta, pReq->taskId);
 }
 
 int32_t tqProcessTaskRetrieveReq(STQ* pTq, SRpcMsg* pMsg) {
@@ -837,18 +828,18 @@ int32_t tqProcessTaskRetrieveReq(STQ* pTq, SRpcMsg* pMsg) {
   SDecoder           decoder;
   tDecoderInit(&decoder, msgBody, msgLen);
   tDecodeStreamRetrieveReq(&decoder, &req);
-  int32_t       taskId = req.dstTaskId;
-  SStreamTask** ppTask = (SStreamTask**)taosHashGet(pTq->pStreamTasks, &taskId, sizeof(int32_t));
-  if (ppTask) {
+  int32_t      taskId = req.dstTaskId;
+  SStreamTask* pTask = streamMetaGetTask(pTq->pStreamMeta, taskId);
+  if (pTask) {
     SRpcMsg rsp = {
         .info = pMsg->info,
         .code = 0,
     };
-    streamProcessRetrieveReq(*ppTask, &req, &rsp);
+    streamProcessRetrieveReq(pTask, &req, &rsp);
+    return 0;
   } else {
     return -1;
   }
-  return 0;
 }
 
 int32_t tqProcessTaskRetrieveRsp(STQ* pTq, SRpcMsg* pMsg) {
@@ -871,16 +862,18 @@ void vnodeEnqueueStreamMsg(SVnode* pVnode, SRpcMsg* pMsg) {
     goto FAIL;
   }
 
-  int32_t       taskId = req.taskId;
-  SStreamTask** ppTask = (SStreamTask**)taosHashGet(pTq->pStreamTasks, &taskId, sizeof(int32_t));
-  if (ppTask) {
+  int32_t taskId = req.taskId;
+
+  SStreamTask* pTask = streamMetaGetTask(pTq->pStreamMeta, taskId);
+  if (pTask) {
     SRpcMsg rsp = {
         .info = pMsg->info,
         .code = 0,
     };
-    streamProcessDispatchReq(*ppTask, &req, &rsp, false);
+    streamProcessDispatchReq(pTask, &req, &rsp, false);
     return;
   }
+
 FAIL:
   if (pMsg->info.handle == NULL) return;
   SRpcMsg rsp = {
diff --git a/source/dnode/vnode/src/tq/tqPush.c b/source/dnode/vnode/src/tq/tqPush.c
index 1c48ef7535993eff1aea41e121923f11ae19b7c7..ae3fef9b4b7ebf02654e93e09b5bf6c52f6e2354 100644
--- a/source/dnode/vnode/src/tq/tqPush.c
+++ b/source/dnode/vnode/src/tq/tqPush.c
@@ -215,7 +215,7 @@ 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;
+    if (taosHashGetSize(pTq->pStreamMeta->pTasks) == 0) return 0;
 
     void* data = taosMemoryMalloc(msgLen);
     if (data == NULL) {
diff --git a/source/dnode/vnode/src/tq/tqRead.c b/source/dnode/vnode/src/tq/tqRead.c
index 501789385323d84e1c97c7443472335930381ca4..6ce8dbe5d90e5d7448a9be03cb42eaf27c3f9bff 100644
--- a/source/dnode/vnode/src/tq/tqRead.c
+++ b/source/dnode/vnode/src/tq/tqRead.c
@@ -413,7 +413,7 @@ int32_t tqUpdateTbUidList(STQ* pTq, const SArray* tbUidList, bool isAdd) {
     }
   }
   while (1) {
-    pIter = taosHashIterate(pTq->pStreamTasks, pIter);
+    pIter = taosHashIterate(pTq->pStreamMeta->pTasks, pIter);
     if (pIter == NULL) break;
     SStreamTask* pTask = *(SStreamTask**)pIter;
     if (pTask->taskLevel == TASK_LEVEL__SOURCE) {
diff --git a/source/libs/stream/src/streamMeta.c b/source/libs/stream/src/streamMeta.c
index 085a0e4ce7a807a97f99aa3f63c1d6f386b7bb33..8faa22d6439487bad9c76ab5ad554489b752976e 100644
--- a/source/libs/stream/src/streamMeta.c
+++ b/source/libs/stream/src/streamMeta.c
@@ -36,8 +36,18 @@ SStreamMeta* streamMetaOpen(const char* path, void* ahandle, FTaskExpand expandF
     goto _err;
   }
 
+  pMeta->pTasks = taosHashInit(64, taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT), true, HASH_NO_LOCK);
+  if (pMeta->pTasks == NULL) {
+    goto _err;
+  }
+
+  if (streamMetaBegin(pMeta) < 0) {
+    goto _err;
+  }
+
   pMeta->ahandle = ahandle;
   pMeta->expandFunc = expandFunc;
+
   return pMeta;
 _err:
   return NULL;
@@ -48,6 +58,48 @@ void streamMetaClose(SStreamMeta* pMeta) {
   tdbTbClose(pMeta->pTaskDb);
   tdbTbClose(pMeta->pStateDb);
   tdbClose(pMeta->db);
+
+  void* pIter = NULL;
+  while (1) {
+    pIter = taosHashIterate(pMeta->pTasks, pIter);
+    if (pIter == NULL) break;
+    SStreamTask* pTask = *(SStreamTask**)pIter;
+    tFreeSStreamTask(pTask);
+  }
+  taosHashCleanup(pMeta->pTasks);
+  taosMemoryFree(pMeta->path);
+  taosMemoryFree(pMeta);
+}
+
+int32_t streamMetaAddSerializedTask(SStreamMeta* pMeta, char* msg, int32_t msgLen) {
+  SStreamTask* pTask = taosMemoryCalloc(1, sizeof(SStreamTask));
+  if (pTask == NULL) {
+    return -1;
+  }
+  SDecoder decoder;
+  tDecoderInit(&decoder, (uint8_t*)msg, msgLen);
+  if (tDecodeSStreamTask(&decoder, pTask) < 0) {
+    ASSERT(0);
+    goto FAIL;
+  }
+  tDecoderClear(&decoder);
+
+  if (pMeta->expandFunc(pMeta->ahandle, pTask) < 0) {
+    ASSERT(0);
+    goto FAIL;
+  }
+
+  taosHashPut(pMeta->pTasks, &pTask->taskId, sizeof(int32_t), &pTask, sizeof(void*));
+
+  if (tdbTbUpsert(pMeta->pTaskDb, &pTask->taskId, sizeof(int32_t), msg, msgLen, &pMeta->txn) < 0) {
+    ASSERT(0);
+    return -1;
+  }
+  return 0;
+
+FAIL:
+  if (pTask) taosMemoryFree(pTask);
+  return -1;
 }
 
 int32_t streamMetaAddTask(SStreamMeta* pMeta, SStreamTask* pTask) {
@@ -80,6 +132,16 @@ int32_t streamMetaAddTask(SStreamMeta* pMeta, SStreamTask* pTask) {
   return 0;
 }
 
+SStreamTask* streamMetaGetTask(SStreamMeta* pMeta, int32_t taskId) {
+  SStreamTask** ppTask = (SStreamTask**)taosHashGet(pMeta->pTasks, &taskId, sizeof(int32_t));
+  if (ppTask) {
+    ASSERT((*ppTask)->taskId == taskId);
+    return *ppTask;
+  } else {
+    return NULL;
+  }
+}
+
 int32_t streamMetaRemoveTask(SStreamMeta* pMeta, int32_t taskId) {
   SStreamTask** ppTask = (SStreamTask**)taosHashGet(pMeta->pTasks, &taskId, sizeof(int32_t));
   if (ppTask) {