diff --git a/source/dnode/mnode/impl/inc/mndDef.h b/source/dnode/mnode/impl/inc/mndDef.h
index c9228ae78552b3c8ebd663629fe8ee981bf4c1e8..b91dc03e48bc1a278b5d330422d872d473284bf6 100644
--- a/source/dnode/mnode/impl/inc/mndDef.h
+++ b/source/dnode/mnode/impl/inc/mndDef.h
@@ -304,8 +304,8 @@ typedef struct {
   int32_t  nextColId;
   int32_t  numOfColumns;
   int32_t  numOfTags;
-  SSchema* pTags;
   SSchema* pColumns;
+  SSchema* pTags;
   SRWLatch lock;
 } SStbObj;
 
diff --git a/source/dnode/mnode/impl/src/mndStb.c b/source/dnode/mnode/impl/src/mndStb.c
index 7b21f33702889d96986f83a507d9c26c5b17ebe8..b5222ab3fc8c07d93e843001a5e6c8b68c406a96 100644
--- a/source/dnode/mnode/impl/src/mndStb.c
+++ b/source/dnode/mnode/impl/src/mndStb.c
@@ -262,7 +262,7 @@ static SDbObj *mndAcquireDbByStb(SMnode *pMnode, const char *stbName) {
   return mndAcquireDb(pMnode, db);
 }
 
-static void *mndBuildCreateStbReq(SMnode *pMnode, SVgObj *pVgroup, SStbObj *pStb, int32_t *pContLen) {
+static void *mndBuildVCreateStbReq(SMnode *pMnode, SVgObj *pVgroup, SStbObj *pStb, int32_t *pContLen) {
   SName name = {0};
   tNameFromString(&name, pStb->name, T_NAME_ACCT | T_NAME_DB | T_NAME_TABLE);
 
@@ -295,7 +295,7 @@ static void *mndBuildCreateStbReq(SMnode *pMnode, SVgObj *pVgroup, SStbObj *pStb
   return pHead;
 }
 
-static void *mndBuildDropStbReq(SMnode *pMnode, SVgObj *pVgroup, SStbObj *pStb, int32_t *pContLen) {
+static void *mndBuildVDropStbReq(SMnode *pMnode, SVgObj *pVgroup, SStbObj *pStb, int32_t *pContLen) {
   SName name = {0};
   tNameFromString(&name, pStb->name, T_NAME_ACCT | T_NAME_DB | T_NAME_TABLE);
 
@@ -346,7 +346,12 @@ static int32_t mndCheckCreateStbReq(SMCreateStbReq *pCreate) {
     return -1;
   }
 
-  int32_t maxColId = (TSDB_MAX_COLUMNS + TSDB_MAX_TAGS);
+  SSchema *pSchema = &pCreate->pSchemas[0];
+  if (pSchema->type != TSDB_DATA_TYPE_TIMESTAMP) {
+    terrno = TSDB_CODE_MND_INVALID_STB_OPTION;
+    return -1;
+  }
+
   for (int32_t i = 0; i < totalCols; ++i) {
     SSchema *pSchema = &pCreate->pSchemas[i];
     if (pSchema->type < 0) {
@@ -404,7 +409,7 @@ static int32_t mndSetCreateStbRedoActions(SMnode *pMnode, STrans *pTrans, SDbObj
     if (pIter == NULL) break;
     if (pVgroup->dbUid != pDb->uid) continue;
 
-    void *pReq = mndBuildCreateStbReq(pMnode, pVgroup, pStb, &contLen);
+    void *pReq = mndBuildVCreateStbReq(pMnode, pVgroup, pStb, &contLen);
     if (pReq == NULL) {
       sdbCancelFetch(pSdb, pIter);
       sdbRelease(pSdb, pVgroup);
@@ -440,7 +445,7 @@ static int32_t mndSetCreateStbUndoActions(SMnode *pMnode, STrans *pTrans, SDbObj
     if (pVgroup->dbUid != pDb->uid) continue;
 
     int32_t contLen = 0;
-    void   *pReq = mndBuildDropStbReq(pMnode, pVgroup, pStb, &contLen);
+    void   *pReq = mndBuildVDropStbReq(pMnode, pVgroup, pStb, &contLen);
     if (pReq == NULL) {
       sdbCancelFetch(pSdb, pIter);
       sdbRelease(pSdb, pVgroup);
@@ -891,7 +896,7 @@ static int32_t mndSetAlterStbRedoActions(SMnode *pMnode, STrans *pTrans, SDbObj
     if (pIter == NULL) break;
     if (pVgroup->dbUid != pDb->uid) continue;
 
-    void *pReq = mndBuildCreateStbReq(pMnode, pVgroup, pStb, &contLen);
+    void *pReq = mndBuildVCreateStbReq(pMnode, pVgroup, pStb, &contLen);
     if (pReq == NULL) {
       sdbCancelFetch(pSdb, pIter);
       sdbRelease(pSdb, pVgroup);
@@ -1049,7 +1054,7 @@ static int32_t mndSetDropStbRedoActions(SMnode *pMnode, STrans *pTrans, SDbObj *
     if (pVgroup->dbUid != pDb->uid) continue;
 
     int32_t contLen = 0;
-    void   *pReq = mndBuildDropStbReq(pMnode, pVgroup, pStb, &contLen);
+    void   *pReq = mndBuildVDropStbReq(pMnode, pVgroup, pStb, &contLen);
     if (pReq == NULL) {
       sdbCancelFetch(pSdb, pIter);
       sdbRelease(pSdb, pVgroup);