diff --git a/src/mnode/src/mnodeSdb.c b/src/mnode/src/mnodeSdb.c
index a4c2c60aa34f513550e64c2a6c83d4589dbc512a..7ae8b5670ca7be60c4f4f5633cedf27c5a1f0e1b 100644
--- a/src/mnode/src/mnodeSdb.c
+++ b/src/mnode/src/mnodeSdb.c
@@ -487,8 +487,14 @@ static int32_t sdbInsertHash(SSdbTable *pTable, SSdbOper *pOper) {
   sdbDebug("table:%s, insert record:%s to hash, rowSize:%d numOfRows:%" PRId64 ", msg:%p", pTable->tableName,
            sdbGetKeyStrFromObj(pTable, pOper->pObj), pOper->rowSize, pTable->numOfRows, pOper->pMsg);
 
-  (*pTable->insertFp)(pOper);
-  return TSDB_CODE_SUCCESS;
+  int32_t code = (*pTable->insertFp)(pOper);
+  if (code != TSDB_CODE_SUCCESS) {
+    sdbError("table:%s, failed to insert record:%s to hash, remove it", pTable->tableName,
+             sdbGetKeyStrFromObj(pTable, pOper->pObj));
+    sdbDeleteHash(pTable, pOper);
+  }
+
+  return code;
 }
 
 static int32_t sdbDeleteHash(SSdbTable *pTable, SSdbOper *pOper) {
diff --git a/src/mnode/src/mnodeTable.c b/src/mnode/src/mnodeTable.c
index 1d14ec030714f5f2c6ab9703fbdc67cc654155e8..14cc052c4995e56e17ecb5aca1d2cde181fa3a50 100644
--- a/src/mnode/src/mnodeTable.c
+++ b/src/mnode/src/mnodeTable.c
@@ -2351,11 +2351,11 @@ static void mnodeProcessCreateChildTableRsp(SRpcMsg *rpcMsg) {
 
     // if the vgroup is already dropped from hash, it can't be accquired by pTable->vgId
     // so the refCount of vgroup can not be decreased
-    SVgObj *pVgroup = mnodeGetVgroup(pTable->vgId);
-    if (pVgroup == NULL) {
-      mnodeRemoveTableFromVgroup(pVgroup, pTable);
-    }
-    mnodeDecVgroupRef(pVgroup);
+    // SVgObj *pVgroup = mnodeGetVgroup(pTable->vgId);
+    // if (pVgroup == NULL) {
+    //   mnodeRemoveTableFromVgroup(mnodeMsg->pVgroup, pTable);
+    // }
+    // mnodeDecVgroupRef(pVgroup);
 
     mnodeSendDropChildTableMsg(mnodeMsg, false);
     rpcMsg->code = TSDB_CODE_SUCCESS;
diff --git a/src/mnode/src/mnodeVgroup.c b/src/mnode/src/mnodeVgroup.c
index e46da1d8920c12a2a6b8ead97fa625df43180efe..0c5df5aa1127f215eea6b69fb917e6504c80b332 100644
--- a/src/mnode/src/mnodeVgroup.c
+++ b/src/mnode/src/mnodeVgroup.c
@@ -83,11 +83,12 @@ static int32_t mnodeVgroupActionInsert(SSdbOper *pOper) {
   // refer to db
   SDbObj *pDb = mnodeGetDb(pVgroup->dbName);
   if (pDb == NULL) {
+    mError("vgId:%d, db:%s is not exist while insert into hash", pVgroup->vgId, pVgroup->dbName);
     return TSDB_CODE_MND_INVALID_DB;
   }
   
   if (pDb->status != TSDB_DB_STATUS_READY) {
-    mError("db:%s, status:%d, in dropping", pDb->name, pDb->status);
+    mError("vgId:%d, db:%s status:%d, in dropping", pVgroup->vgId, pDb->name, pDb->status);
     return TSDB_CODE_MND_DB_IN_DROPPING;
   }
 
@@ -116,10 +117,12 @@ static int32_t mnodeVgroupActionInsert(SSdbOper *pOper) {
 static int32_t mnodeVgroupActionDelete(SSdbOper *pOper) {
   SVgObj *pVgroup = pOper->pObj;
 
-  if (pVgroup->pDb != NULL) {
-    mnodeRemoveVgroupFromDb(pVgroup);
+  if (pVgroup->pDb == NULL) {
+    mError("vgId:%d, db:%s is not exist while insert into hash", pVgroup->vgId, pVgroup->dbName);
+    return TSDB_CODE_MND_VGROUP_NOT_EXIST;
   }
 
+  mnodeRemoveVgroupFromDb(pVgroup);
   mnodeDecDbRef(pVgroup->pDb);
 
   for (int32_t i = 0; i < pVgroup->numOfVnodes; ++i) {
@@ -517,6 +520,19 @@ static int32_t mnodeCreateVgroupCb(SMnodeMsg *pMsg, int32_t code) {
 
     dnodeReprocessMnodeWriteMsg(pMsg);
     return TSDB_CODE_MND_ACTION_IN_PROGRESS;
+    // if (pVgroup->status == TAOS_VG_STATUS_CREATING || pVgroup->status == TAOS_VG_STATUS_READY) {
+    //   mInfo("app:%p:%p, vgId:%d, is created in sdb, db:%s replica:%d", pMsg->rpcMsg.ahandle, pMsg, pVgroup->vgId,
+    //         pDb->name, pVgroup->numOfVnodes);
+    //   pVgroup->status = TAOS_VG_STATUS_READY;
+    //   SSdbOper desc = {.type = SDB_OPER_GLOBAL, .pObj = pVgroup, .table = tsVgroupSdb};
+    //   (void)sdbUpdateRow(&desc);
+    //   dnodeReprocessMnodeWriteMsg(pMsg);
+    //   return TSDB_CODE_MND_ACTION_IN_PROGRESS;
+    // } else {
+    //   mError("app:%p:%p, vgId:%d, is created in sdb, db:%s replica:%d, but vgroup is dropping", pMsg->rpcMsg.ahandle,
+    //          pMsg, pVgroup->vgId, pDb->name, pVgroup->numOfVnodes);
+    //   return TSDB_CODE_MND_VGROUP_NOT_EXIST;
+    // }
   }
 }
 
@@ -955,7 +971,7 @@ void mnodeSendDropVnodeMsg(int32_t vgId, SRpcEpSet *epSet, void *ahandle) {
 
 static void mnodeSendDropVgroupMsg(SVgObj *pVgroup, void *ahandle) {
   pVgroup->status = TAOS_VG_STATUS_DROPPING; // deleting
-  mDebug("vgId:%d, send drop all vnodes msg, ahandle:%p", pVgroup->vgId, ahandle);
+  mDebug("vgId:%d, send drop all vnodes msg, ahandle:%p db:%s", pVgroup->vgId, ahandle, pVgroup->dbName);
   for (int32_t i = 0; i < pVgroup->numOfVnodes; ++i) {
     SRpcEpSet epSet = mnodeGetEpSetFromIp(pVgroup->vnodeGid[i].pDnode->dnodeEp);
     mDebug("vgId:%d, send drop vnode msg to dnode:%d, ahandle:%p", pVgroup->vgId, pVgroup->vnodeGid[i].dnodeId, ahandle);
@@ -1117,6 +1133,7 @@ void mnodeSendDropAllDbVgroupsMsg(SDbObj *pDropDb) {
     }
 
     mnodeDecVgroupRef(pVgroup);
+    numOfVgroups++;
   }
 
   sdbFreeIter(pIter);