diff --git a/include/libs/executor/executor.h b/include/libs/executor/executor.h
index a98bb8f51a..36cc0f2665 100644
--- a/include/libs/executor/executor.h
+++ b/include/libs/executor/executor.h
@@ -32,7 +32,9 @@ struct SSubplan;
   * @param pStreamBlockReadHandle
   * @return
   */
-qTaskInfo_t createStreamExecTaskInfo(SSubQueryMsg *pMsg, void* pStreamBlockReadHandle);
+qTaskInfo_t qCreateStreamExecTaskInfo(SSubQueryMsg *pMsg, void* pStreamBlockReadHandle);
+
+void        qStreamExecTaskSetInput(qTaskInfo_t qHandle, void* input);
 
  /**
   * Create the exec task object according to task json
diff --git a/source/dnode/vnode/inc/tq.h b/source/dnode/vnode/inc/tq.h
index 8c4effa221..f49542b5ec 100644
--- a/source/dnode/vnode/inc/tq.h
+++ b/source/dnode/vnode/inc/tq.h
@@ -82,27 +82,12 @@ typedef struct STqSubscribeReq {
   int64_t    topic[];
 } STqSubscribeReq;
 
-typedef struct STqSubscribeRsp {
-  STqMsgHead head;
-  int64_t    vgId;
-  char       ep[TSDB_EP_LEN];  // TSDB_EP_LEN
-} STqSubscribeRsp;
-
 typedef struct STqHeartbeatReq {
 } STqHeartbeatReq;
 
 typedef struct STqHeartbeatRsp {
 } STqHeartbeatRsp;
 
-typedef struct STqTopicVhandle {
-  int64_t topicId;
-  // executor for filter
-  void* filterExec;
-  // callback for mnode
-  // trigger when vnode list associated topic change
-  void* (*mCallback)(void*, void*);
-} STqTopicVhandle;
-
 #define TQ_BUFFER_SIZE 8
 
 typedef struct STqExec {
diff --git a/source/dnode/vnode/src/tq/tq.c b/source/dnode/vnode/src/tq/tq.c
index 89d4af48fd..52c541dcfd 100644
--- a/source/dnode/vnode/src/tq/tq.c
+++ b/source/dnode/vnode/src/tq/tq.c
@@ -633,12 +633,16 @@ int32_t tqProcessConsumeReq(STQ* pTq, SRpcMsg* pMsg, SRpcMsg** ppRsp) {
       // read until find TDMT_VND_SUBMIT
     }
     SSubmitMsg* pCont = (SSubmitMsg*)&pHead->head.body;
+    void* task = pHandle->buffer.output[pos].task;
 
-    /*SSubQueryMsg* pQueryMsg = pHandle->buffer.output[pos].pMsg;*/
+    qStreamExecTaskSetInput(task, pCont);
+    SSDataBlock* pDataBlock;
+    uint64_t ts;
+    if (qExecTask(task, &pDataBlock, &ts) < 0) {
 
+    }
     // TODO: launch query and get output data
-    void* outputData;
-    pHandle->buffer.output[pos].dst = outputData;
+    pHandle->buffer.output[pos].dst = pDataBlock;
     if (pHandle->buffer.firstOffset == -1
         || pReq->offset < pHandle->buffer.firstOffset) {
       pHandle->buffer.firstOffset = pReq->offset;
@@ -674,22 +678,12 @@ int32_t tqProcessSetConnReq(STQ* pTq, SMqSetCVgReq* pReq) {
   strcpy(pTopic->sql, pReq->sql);
   strcpy(pTopic->logicalPlan, pReq->logicalPlan);
   strcpy(pTopic->physicalPlan, pReq->physicalPlan);
-  SArray *pArray;
-  //TODO: deserialize to SQueryDag
-  SQueryDag *pDag;
-  // convert to task
-  if (schedulerConvertDagToTaskList(pDag, &pArray) < 0) {
-    // TODO: handle error
-  }
-  STaskInfo *pInfo = taosArrayGet(pArray, 0);
-  SArray* pTasks;
-  schedulerCopyTask(pInfo, &pTasks, TQ_BUFFER_SIZE);
+
   pTopic->buffer.firstOffset = -1;
   pTopic->buffer.lastOffset = -1;
   for (int i = 0; i < TQ_BUFFER_SIZE; i++) {
-    SSubQueryMsg* pMsg = taosArrayGet(pTasks, i);
     pTopic->buffer.output[i].status = 0;
-    pTopic->buffer.output[i].task = createStreamExecTaskInfo(pMsg, NULL);
+    pTopic->buffer.output[i].task = qCreateStreamExecTaskInfo(&pReq->msg, NULL);
   }
   pTopic->pReadhandle = walOpenReadHandle(pTq->pWal);
   // write mq meta
diff --git a/source/libs/executor/src/executor.c b/source/libs/executor/src/executor.c
index a933402296..49bf42f383 100644
--- a/source/libs/executor/src/executor.c
+++ b/source/libs/executor/src/executor.c
@@ -13,10 +13,12 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "planner.h"
 #include "executor.h"
+#include "planner.h"
 
-qTaskInfo_t createStreamExecTaskInfo(SSubQueryMsg *pMsg, void* pStreamBlockReadHandle) {
+void qStreamExecTaskSetInput(qTaskInfo_t qHandle, void* input) {}
+
+qTaskInfo_t qCreateStreamExecTaskInfo(SSubQueryMsg* pMsg, void* pStreamBlockReadHandle) {
   if (pMsg == NULL || pStreamBlockReadHandle == NULL) {
     return NULL;
   }
@@ -27,8 +29,8 @@ qTaskInfo_t createStreamExecTaskInfo(SSubQueryMsg *pMsg, void* pStreamBlockReadH
   pMsg->taskId = be64toh(pMsg->taskId);
   pMsg->contentLen = ntohl(pMsg->contentLen);
 
-  struct SSubplan *plan = NULL;
-  int32_t code = qStringToSubplan(pMsg->msg, &plan);
+  struct SSubplan* plan = NULL;
+  int32_t          code = qStringToSubplan(pMsg->msg, &plan);
   if (code != TSDB_CODE_SUCCESS) {
     terrno = code;
     return NULL;