diff --git a/include/common/tmsg.h b/include/common/tmsg.h
index a6dd51b035e02c6aef9db1c0c0732178063f3dee..14b64d64b413da8d8753c1eac4f860306a5a83bb 100644
--- a/include/common/tmsg.h
+++ b/include/common/tmsg.h
@@ -438,6 +438,7 @@ typedef struct {
 
 int32_t tSerializeSGetUserAuthRsp(void* buf, int32_t bufLen, SGetUserAuthRsp* pRsp);
 int32_t tDeserializeSGetUserAuthRsp(void* buf, int32_t bufLen, SGetUserAuthRsp* pRsp);
+void    tFreeSGetUserAuthRsp(SGetUserAuthRsp* pRsp);
 
 typedef struct {
   int16_t colId;     // column id
diff --git a/source/common/src/tmsg.c b/source/common/src/tmsg.c
index dc52afb3828caf3a71b9e8b4a28f25c6aa77183c..6c84fe6be7a76f73f13c94e28a16b1ee9bf96b0b 100644
--- a/source/common/src/tmsg.c
+++ b/source/common/src/tmsg.c
@@ -1302,6 +1302,11 @@ int32_t tDeserializeSGetUserAuthRsp(void *buf, int32_t bufLen, SGetUserAuthRsp *
   return 0;
 }
 
+void tFreeSGetUserAuthRsp(SGetUserAuthRsp *pRsp) {
+  taosHashCleanup(pRsp->readDbs);
+  taosHashCleanup(pRsp->writeDbs);
+}
+
 int32_t tSerializeSCreateDropMQSBNodeReq(void *buf, int32_t bufLen, SMCreateQnodeReq *pReq) {
   SCoder encoder = {0};
   tCoderInit(&encoder, TD_LITTLE_ENDIAN, buf, bufLen, TD_ENCODER);
diff --git a/source/dnode/mnode/impl/src/mndInfoSchema.c b/source/dnode/mnode/impl/src/mndInfoSchema.c
index 2b46fc9274dae5407deccc7a362672db1005f8f0..7d38e1752ac74b3ac60bf0aa5e3696282dce65c1 100644
--- a/source/dnode/mnode/impl/src/mndInfoSchema.c
+++ b/source/dnode/mnode/impl/src/mndInfoSchema.c
@@ -164,7 +164,6 @@ static const SInfosTableSchema userUsersSchema[] = {
     {.name = "name", .bytes = TSDB_USER_LEN + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_VARCHAR},
     {.name = "privilege", .bytes = 10 + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_VARCHAR},
     {.name = "create_time", .bytes = 8, .type = TSDB_DATA_TYPE_TIMESTAMP},
-    {.name = "account", .bytes = TSDB_USER_LEN + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_VARCHAR},
 };
 
 static const SInfosTableSchema grantsSchema[] = {
diff --git a/source/dnode/mnode/impl/src/mndUser.c b/source/dnode/mnode/impl/src/mndUser.c
index 1500b3d7d84b19d9511143a6c1d9c603e8fdf03c..de6c76e0746f4344d843d26cb633de5494339415 100644
--- a/source/dnode/mnode/impl/src/mndUser.c
+++ b/source/dnode/mnode/impl/src/mndUser.c
@@ -165,8 +165,9 @@ static SSdbRow *mndUserActionDecode(SSdbRaw *pRaw) {
   int32_t numOfWriteDbs = 0;
   SDB_GET_INT32(pRaw, dataPos, &numOfReadDbs, _OVER)
   SDB_GET_INT32(pRaw, dataPos, &numOfWriteDbs, _OVER)
-  pUser->readDbs = taosHashInit(numOfReadDbs, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, true);
-  pUser->writeDbs = taosHashInit(numOfWriteDbs, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, true);
+  pUser->readDbs = taosHashInit(numOfReadDbs, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, HASH_ENTRY_LOCK);
+  pUser->writeDbs =
+      taosHashInit(numOfWriteDbs, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, HASH_ENTRY_LOCK);
   if (pUser->readDbs == NULL || pUser->writeDbs == NULL) goto _OVER;
 
   for (int32_t i = 0; i < numOfReadDbs; ++i) {
@@ -340,13 +341,13 @@ _OVER:
   return code;
 }
 
-static int32_t mndUpdateUser(SMnode *pMnode, SUserObj *pOld, SUserObj *pNew, SNodeMsg *pReq) {
+static int32_t mndAlterUser(SMnode *pMnode, SUserObj *pOld, SUserObj *pNew, SNodeMsg *pReq) {
   STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_ROLLBACK, TRN_TYPE_ALTER_USER, &pReq->rpcMsg);
   if (pTrans == NULL) {
-    mError("user:%s, failed to update since %s", pOld->user, terrstr());
+    mError("user:%s, failed to alter since %s", pOld->user, terrstr());
     return -1;
   }
-  mDebug("trans:%d, used to update user:%s", pTrans->id, pOld->user);
+  mDebug("trans:%d, used to alter user:%s", pTrans->id, pOld->user);
 
   SSdbRaw *pRedoRaw = mndUserActionEncode(pNew);
   if (pRedoRaw == NULL || mndTransAppendRedolog(pTrans, pRedoRaw) != 0) {
@@ -367,7 +368,8 @@ static int32_t mndUpdateUser(SMnode *pMnode, SUserObj *pOld, SUserObj *pNew, SNo
 }
 
 static SHashObj *mndDupDbHash(SHashObj *pOld) {
-  SHashObj *pNew = taosHashInit(4, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, true);
+  SHashObj *pNew =
+      taosHashInit(taosHashGetSize(pOld), taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, HASH_ENTRY_LOCK);
   if (pNew == NULL) {
     terrno = TSDB_CODE_OUT_OF_MEMORY;
     return NULL;
@@ -378,8 +380,8 @@ static SHashObj *mndDupDbHash(SHashObj *pOld) {
     int32_t len = strlen(db) + 1;
     if (taosHashPut(pNew, db, len, db, TSDB_DB_FNAME_LEN) != 0) {
       taosHashCancelIterate(pOld, db);
-      terrno = TSDB_CODE_OUT_OF_MEMORY;
       taosHashCleanup(pNew);
+      terrno = TSDB_CODE_OUT_OF_MEMORY;
       return NULL;
     }
     db = taosHashIterate(pOld, db);
@@ -485,7 +487,7 @@ static int32_t mndProcessAlterUserReq(SNodeMsg *pReq) {
     goto _OVER;
   }
 
-  code = mndUpdateUser(pMnode, pUser, &newUser, pReq);
+  code = mndAlterUser(pMnode, pUser, &newUser, pReq);
   if (code == 0) code = TSDB_CODE_MND_ACTION_IN_PROGRESS;
 
 _OVER:
@@ -632,8 +634,7 @@ static int32_t mndProcessGetUserAuthReq(SNodeMsg *pReq) {
 
 _OVER:
   mndReleaseUser(pMnode, pUser);
-  taosHashCleanup(authRsp.readDbs);
-  taosHashCleanup(authRsp.writeDbs);
+  tFreeSGetUserAuthRsp(&authRsp);
 
   return code;
 }
@@ -670,11 +671,6 @@ static int32_t mndRetrieveUsers(SNodeMsg *pReq, SShowObj *pShow, SSDataBlock *pB
     pColInfo = taosArrayGet(pBlock->pDataBlock, cols);
     colDataAppend(pColInfo, numOfRows, (const char *)&pUser->createdTime, false);
 
-    cols++;
-    pColInfo = taosArrayGet(pBlock->pDataBlock, cols);
-    STR_WITH_MAXSIZE_TO_VARSTR(name, pUser->acct, pShow->bytes[cols]);
-    colDataAppend(pColInfo, numOfRows, (const char *)name, false);
-
     numOfRows++;
     sdbRelease(pSdb, pUser);
   }