diff --git a/include/common/tmsg.h b/include/common/tmsg.h
index d248b5471f..6a6c3a36d8 100644
--- a/include/common/tmsg.h
+++ b/include/common/tmsg.h
@@ -1178,31 +1178,28 @@ typedef struct SVCreateTbReq {
       SSchema* pSchema;
     } ntbCfg;
   };
-} SVCreateTbReq;
+} SVCreateTbReq, SVUpdateTbReq;
+
+typedef struct {
+} SVCreateTbRsp, SVUpdateTbRsp;
+
+int32_t tSerializeSVCreateTbReq(void** buf, SVCreateTbReq* pReq);
+void*   tDeserializeSVCreateTbReq(void* buf, SVCreateTbReq* pReq);
+int32_t tSerializeSVCreateTbRsp(void** buf, SVCreateTbRsp* pRsp);
+void*   tDeserializeSVCreateTbRsp(void* buf, SVCreateTbRsp* pRsp);
 
 typedef struct {
   uint64_t ver;  // use a general definition
   SArray*  pArray;
 } SVCreateTbBatchReq;
 
-int   tSerializeSVCreateTbReq(void** buf, SVCreateTbReq* pReq);
-void* tDeserializeSVCreateTbReq(void* buf, SVCreateTbReq* pReq);
-int   tSVCreateTbBatchReqSerialize(void** buf, SVCreateTbBatchReq* pReq);
-void* tSVCreateTbBatchReqDeserialize(void* buf, SVCreateTbBatchReq* pReq);
-
 typedef struct {
-  SMsgHead head;
-} SVCreateTbRsp;
+} SVCreateTbBatchRsp;
 
-typedef struct {
-  SMsgHead head;
-  char     name[TSDB_TABLE_FNAME_LEN];
-  int8_t   ignoreNotExists;
-} SVAlterTbReq;
-
-typedef struct {
-  SMsgHead head;
-} SVAlterTbRsp;
+int32_t tSerializeSVCreateTbBatchReq(void** buf, SVCreateTbBatchReq* pReq);
+void*   tDeserializeSVCreateTbBatchReq(void* buf, SVCreateTbBatchReq* pReq);
+int32_t tSerializeSVCreateTbBatchReqp(void** buf, SVCreateTbBatchReq* pRsp);
+void*   tDeserializeSVCreateTbBatchReq(void* buf, SVCreateTbBatchReq* pRsp);
 
 typedef struct {
   uint64_t ver;
diff --git a/source/common/src/tmsg.c b/source/common/src/tmsg.c
index 3fabd2ce0d..e45b61554c 100644
--- a/source/common/src/tmsg.c
+++ b/source/common/src/tmsg.c
@@ -293,7 +293,7 @@ void *tDeserializeSVCreateTbReq(void *buf, SVCreateTbReq *pReq) {
   return buf;
 }
 
-int tSVCreateTbBatchReqSerialize(void **buf, SVCreateTbBatchReq *pReq) {
+int tSerializeSVCreateTbBatchReq(void **buf, SVCreateTbBatchReq *pReq) {
   int tlen = 0;
 
   tlen += taosEncodeFixedU64(buf, pReq->ver);
@@ -306,7 +306,7 @@ int tSVCreateTbBatchReqSerialize(void **buf, SVCreateTbBatchReq *pReq) {
   return tlen;
 }
 
-void *tSVCreateTbBatchReqDeserialize(void *buf, SVCreateTbBatchReq *pReq) {
+void *tDeserializeSVCreateTbBatchReq(void *buf, SVCreateTbBatchReq *pReq) {
   uint32_t nsize = 0;
 
   buf = taosDecodeFixedU64(buf, &pReq->ver);
diff --git a/source/dnode/mgmt/impl/test/vnode/vnode.cpp b/source/dnode/mgmt/impl/test/vnode/vnode.cpp
index 11b32fbf0f..9451608653 100644
--- a/source/dnode/mgmt/impl/test/vnode/vnode.cpp
+++ b/source/dnode/mgmt/impl/test/vnode/vnode.cpp
@@ -220,15 +220,69 @@ TEST_F(DndTestVnode, 03_Create_Stb) {
 }
 
 TEST_F(DndTestVnode, 04_ALTER_Stb) {
-#if 0
-  {
-    for (int i = 0; i < 3; ++i) {
-      SRpcMsg* pRsp = test.SendReq(TDMT_VND_ALTER_STB, pReq, contLen);
-      ASSERT_NE(pRsp, nullptr);
-      ASSERT_EQ(pRsp->code, 0);
+  for (int i = 0; i < 1; ++i) {
+    SVCreateTbReq req = {0};
+    req.ver = 0;
+    req.name = (char*)"stb1";
+    req.ttl = 0;
+    req.keep = 0;
+    req.type = TD_SUPER_TABLE;
+
+    SSchema schemas[5] = {0};
+    {
+      SSchema* pSchema = &schemas[0];
+      pSchema->bytes = htonl(8);
+      pSchema->type = TSDB_DATA_TYPE_TIMESTAMP;
+      strcpy(pSchema->name, "ts");
     }
+
+    {
+      SSchema* pSchema = &schemas[1];
+      pSchema->bytes = htonl(4);
+      pSchema->type = TSDB_DATA_TYPE_INT;
+      strcpy(pSchema->name, "col1");
+    }
+
+    {
+      SSchema* pSchema = &schemas[2];
+      pSchema->bytes = htonl(2);
+      pSchema->type = TSDB_DATA_TYPE_TINYINT;
+      strcpy(pSchema->name, "_tag1");
+    }
+
+    {
+      SSchema* pSchema = &schemas[3];
+      pSchema->bytes = htonl(8);
+      pSchema->type = TSDB_DATA_TYPE_BIGINT;
+      strcpy(pSchema->name, "_tag2");
+    }
+
+    {
+      SSchema* pSchema = &schemas[4];
+      pSchema->bytes = htonl(16);
+      pSchema->type = TSDB_DATA_TYPE_BINARY;
+      strcpy(pSchema->name, "_tag3");
+    }
+
+    req.stbCfg.suid = 9527;
+    req.stbCfg.nCols = 2;
+    req.stbCfg.pSchema = &schemas[0];
+    req.stbCfg.nTagCols = 3;
+    req.stbCfg.pTagSchema = &schemas[2];
+
+    int32_t   contLen = tSerializeSVCreateTbReq(NULL, &req) + sizeof(SMsgHead);
+    SMsgHead* pHead = (SMsgHead*)rpcMallocCont(contLen);
+
+    pHead->contLen = htonl(contLen);
+    pHead->vgId = htonl(2);
+
+    void* pBuf = POINTER_SHIFT(pHead, sizeof(SMsgHead));
+    tSerializeSVCreateTbReq(&pBuf, &req);
+
+    SRpcMsg* pRsp = test.SendReq(TDMT_VND_ALTER_STB, (void*)pHead, contLen);
+    ASSERT_NE(pRsp, nullptr);
+    ASSERT_EQ(pRsp->code, 0);
   }
-#endif
 }
 
 TEST_F(DndTestVnode, 05_DROP_Stb) {
diff --git a/source/dnode/vnode/src/vnd/vnodeWrite.c b/source/dnode/vnode/src/vnd/vnodeWrite.c
index 40cb02176b..e538bc85d4 100644
--- a/source/dnode/vnode/src/vnd/vnodeWrite.c
+++ b/source/dnode/vnode/src/vnd/vnodeWrite.c
@@ -83,7 +83,7 @@ int vnodeApplyWMsg(SVnode *pVnode, SRpcMsg *pMsg, SRpcMsg **pRsp) {
       free(vCreateTbReq.name);
       break;
     case TDMT_VND_CREATE_TABLE:
-      tSVCreateTbBatchReqDeserialize(POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead)), &vCreateTbBatchReq);
+      tDeserializeSVCreateTbBatchReq(POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead)), &vCreateTbBatchReq);
       for (int i = 0; i < taosArrayGetSize(vCreateTbBatchReq.pArray); i++) {
         SVCreateTbReq *pCreateTbReq = taosArrayGet(vCreateTbBatchReq.pArray, i);
         if (metaCreateTable(pVnode->pMeta, pCreateTbReq) < 0) {
diff --git a/source/libs/parser/src/dCDAstProcess.c b/source/libs/parser/src/dCDAstProcess.c
index 3ae89bca0a..50ae3bfd26 100644
--- a/source/libs/parser/src/dCDAstProcess.c
+++ b/source/libs/parser/src/dCDAstProcess.c
@@ -598,7 +598,7 @@ static int32_t doCheckAndBuildCreateCTableReq(SCreateTableSql* pCreateTable, SPa
 }
 
 static int32_t serializeVgroupTablesBatchImpl(SVgroupTablesBatch* pTbBatch, SArray* pBufArray) {
-  int   tlen = sizeof(SMsgHead) + tSVCreateTbBatchReqSerialize(NULL, &(pTbBatch->req));
+  int   tlen = sizeof(SMsgHead) + tSerializeSVCreateTbBatchReq(NULL, &(pTbBatch->req));
   void* buf = malloc(tlen);
   if (buf == NULL) {
     // TODO: handle error
@@ -608,7 +608,7 @@ static int32_t serializeVgroupTablesBatchImpl(SVgroupTablesBatch* pTbBatch, SArr
   ((SMsgHead*)buf)->contLen = htonl(tlen);
 
   void* pBuf = POINTER_SHIFT(buf, sizeof(SMsgHead));
-  tSVCreateTbBatchReqSerialize(&pBuf, &(pTbBatch->req));
+  tSerializeSVCreateTbBatchReq(&pBuf, &(pTbBatch->req));
 
   SVgDataBlocks* pVgData = calloc(1, sizeof(SVgDataBlocks));
   pVgData->vg    = pTbBatch->info;