diff --git a/include/common/tmsg.h b/include/common/tmsg.h
index 5bcee58bba..007c9c81e0 100644
--- a/include/common/tmsg.h
+++ b/include/common/tmsg.h
@@ -3226,6 +3226,20 @@ int32_t tDecodeSSubmitReq2(SDecoder* pCoder, SSubmitReq2** ppReq);
 void    tDestroySSubmitTbData(SSubmitTbData* pTbData);
 void    tDestroySSubmitReq2(SSubmitReq2* pReq);
 
+typedef struct {
+  int32_t code;
+  int32_t affectedRows;
+  SArray* aCreateTbRsp;  // SArray<SVCreateTbRsp>
+} SSubmitRsp2;
+
+int32_t tCreateSSubmitRsp2(SSubmitRsp2** ppRsp);
+void    tDestroySSubmitRsp2(SSubmitRsp2* pRsp, int32_t flag);
+int32_t tEncodeSSubmitRsp2(SEncoder* pCoder, const SSubmitRsp2* pRsp);
+int32_t tDecodeSSubmitRsp2(SDecoder* pCoder, SSubmitRsp2* pRsp);
+
+#define TSDB_MSG_FLG_ENCODE 0x1
+#define TSDB_MSG_FLG_DECODE 0x2
+
 #pragma pack(pop)
 
 #ifdef __cplusplus
diff --git a/source/common/src/tmsg.c b/source/common/src/tmsg.c
index 76127d727c..7c865723f3 100644
--- a/source/common/src/tmsg.c
+++ b/source/common/src/tmsg.c
@@ -6857,3 +6857,104 @@ void tDestroySSubmitReq2(SSubmitReq2 *pReq) {
   taosArrayDestroyEx(pReq->aSubmitTbData, (FDelete)destroySSubmitTbData);
   taosMemoryFree(pReq);
 }
+
+int32_t tEncodeSSubmitRsp2(SEncoder *pCoder, const SSubmitRsp2 *pRsp) {
+  if (tStartEncode(pCoder) < 0) return -1;
+
+  if (tEncodeI32v(pCoder, pRsp->code) < 0) return -1;
+  if (tEncodeI32v(pCoder, pRsp->affectedRows) < 0) return -1;
+  if (tEncodeI32v(pCoder, taosArrayGetSize(pRsp->aCreateTbRsp)) < 0) return -1;
+  for (int32_t i = 0; i < taosArrayGetSize(pRsp->aCreateTbRsp); ++i) {
+    if (tEncodeSVCreateTbRsp(pCoder, taosArrayGet(pRsp->aCreateTbRsp, i)) < 0) return -1;
+  }
+
+  tEndEncode(pCoder);
+  return 0;
+}
+
+int32_t tDecodeSSubmitRsp2(SDecoder *pCoder, SSubmitRsp2 *pRsp) {
+  int32_t code = 0;
+
+  memset(pRsp, 0, sizeof(SSubmitRsp2));
+
+  // decode
+  if (tStartDecode(pCoder) < 0) {
+    code = TSDB_CODE_INVALID_MSG;
+    goto _exit;
+  }
+
+  if (tDecodeI32v(pCoder, &pRsp->code) < 0) {
+    code = TSDB_CODE_INVALID_MSG;
+    goto _exit;
+  }
+
+  if (tDecodeI32v(pCoder, &pRsp->affectedRows) < 0) {
+    code = TSDB_CODE_INVALID_MSG;
+    goto _exit;
+  }
+
+  int32_t nCreateTbRsp;
+  if (tDecodeI32v(pCoder, &nCreateTbRsp) < 0) {
+    code = TSDB_CODE_INVALID_MSG;
+    goto _exit;
+  }
+
+  pRsp->aCreateTbRsp = taosArrayInit(nCreateTbRsp, sizeof(SVCreateTbRsp));
+  if (pRsp->aCreateTbRsp == NULL) {
+    code = TSDB_CODE_OUT_OF_MEMORY;
+    goto _exit;
+  }
+
+  for (int32_t i = 0; i < nCreateTbRsp; ++i) {
+    SVCreateTbRsp *pCreateTbRsp = taosArrayReserve(pRsp->aCreateTbRsp, 1);
+    if (tDecodeSVCreateTbRsp(pCoder, pCreateTbRsp) < 0) {
+      code = TSDB_CODE_INVALID_MSG;
+      goto _exit;
+    }
+  }
+
+  tEndDecode(pCoder);
+
+_exit:
+  if (code) {
+    if (pRsp->aCreateTbRsp) {
+      taosArrayDestroyEx(pRsp->aCreateTbRsp, NULL /* todo */);
+    }
+  }
+  return code;
+}
+
+int32_t tCreateSSubmitRsp2(SSubmitRsp2 **ppRsp) {
+  int32_t code = 0;
+
+  SSubmitRsp2 *pRsp = (SSubmitRsp2 *)taosMemoryCalloc(1, sizeof(*pRsp));
+  if (pRsp == NULL) {
+    code = TSDB_CODE_OUT_OF_MEMORY;
+    goto _exit;
+  }
+
+  pRsp->aCreateTbRsp = taosArrayInit(16, sizeof(SVCreateTbRsp));
+  if (pRsp->aCreateTbRsp == NULL) {
+    code = TSDB_CODE_OUT_OF_MEMORY;
+    goto _exit;
+  }
+
+_exit:
+  if (code) {
+    *ppRsp = NULL;
+    if (pRsp) {
+      if (pRsp->aCreateTbRsp) taosArrayDestroy(pRsp->aCreateTbRsp);
+      taosMemoryFree(pRsp);
+    }
+  } else {
+    *ppRsp = pRsp;
+  }
+  return code;
+}
+
+void tDestroySSubmitRsp2(SSubmitRsp2 *pRsp, int32_t flag) {
+  if (pRsp) {
+    taosArrayDestroyEx(pRsp->aCreateTbRsp, NULL /* TODO: set according to flag */);
+    taosMemoryFree(pRsp);
+  }
+}
diff --git a/source/dnode/vnode/src/vnd/vnodeSvr.c b/source/dnode/vnode/src/vnd/vnodeSvr.c
index 2618e45e53..d3cc133be1 100644
--- a/source/dnode/vnode/src/vnd/vnodeSvr.c
+++ b/source/dnode/vnode/src/vnd/vnodeSvr.c
@@ -822,43 +822,39 @@ static int32_t vnodeDebugPrintSingleSubmitMsg(SMeta *pMeta, SSubmitBlk *pBlock,
   return TSDB_CODE_SUCCESS;
 }
 
-static int32_t vnodeDebugPrintSubmitMsg(SVnode *pVnode, SSubmitReq *pMsg, const char *tags) {
-  ASSERT(pMsg != NULL);
-  SSubmitMsgIter msgIter = {0};
-  SMeta         *pMeta = pVnode->pMeta;
-  SSubmitBlk    *pBlock = NULL;
+// static int32_t vnodeDebugPrintSubmitMsg(SVnode *pVnode, SSubmitReq *pMsg, const char *tags) {
+//   ASSERT(pMsg != NULL);
+//   SSubmitMsgIter msgIter = {0};
+//   SMeta         *pMeta = pVnode->pMeta;
+//   SSubmitBlk    *pBlock = NULL;
 
-  if (tInitSubmitMsgIter(pMsg, &msgIter) < 0) return -1;
-  while (true) {
-    if (tGetSubmitMsgNext(&msgIter, &pBlock) < 0) return -1;
-    if (pBlock == NULL) break;
+//   if (tInitSubmitMsgIter(pMsg, &msgIter) < 0) return -1;
+//   while (true) {
+//     if (tGetSubmitMsgNext(&msgIter, &pBlock) < 0) return -1;
+//     if (pBlock == NULL) break;
 
-    vnodeDebugPrintSingleSubmitMsg(pMeta, pBlock, &msgIter, tags);
-  }
+//     vnodeDebugPrintSingleSubmitMsg(pMeta, pBlock, &msgIter, tags);
+//   }
 
-  return 0;
-}
+//   return 0;
+// }
 
 static int32_t vnodeProcessSubmitReq(SVnode *pVnode, int64_t version, void *pReq, int32_t len, SRpcMsg *pRsp) {
 #if 1
   int32_t code = 0;
 
-  SDecoder     dc = {0};
-  SSubmitRsp   submitRsp = {0};
+  SSubmitRsp2  submitRsp = {0};
   SSubmitReq2 *pSubmitReq = NULL;
   SArray      *newTbUids = NULL;
 
+  // decode
+  SDecoder dc = {0};
   tDecoderInit(&dc, (char *)pReq + sizeof(SMsgHead), len - sizeof(SMsgHead));
   if (tDecodeSSubmitReq2(&dc, &pSubmitReq) < 0) {
     code = TSDB_CODE_INVALID_MSG;
     goto _exit;
   }
-
-  submitRsp.pArray = taosArrayInit(1, sizeof(SSubmitBlkRsp));
-  if (submitRsp.pArray == NULL) {
-    terrno = TSDB_CODE_TDB_OUT_OF_MEMORY;
-    goto _exit;
-  }
+  tDecoderClear(&dc);
 
   // auto create table
   if (pSubmitReq->flag & SUBMIT_REQ_AUTO_CREATE_TABLE) {
@@ -874,6 +870,12 @@ static int32_t vnodeProcessSubmitReq(SVnode *pVnode, int64_t version, void *pReq
     }
   }
 
+  // check
+  for (int32_t i = 0; i < taosArrayGetSize(pSubmitReq->aSubmitTbData); ++i) {
+    SSubmitTbData *pSubmitTbData = taosArrayGet(pSubmitReq->aSubmitTbData, i);
+    // TODO
+  }
+
   // insert table data
   for (int32_t iSubmitTbData = 0; iSubmitTbData < taosArrayGetSize(pSubmitReq->aSubmitTbData); iSubmitTbData++) {
     SSubmitTbData *pSubmitTbData = taosArrayGet(pSubmitReq->aSubmitTbData, iSubmitTbData);