diff --git a/include/common/tmsg.h b/include/common/tmsg.h
index 9e99d6a9ba..1bd347fc24 100644
--- a/include/common/tmsg.h
+++ b/include/common/tmsg.h
@@ -570,6 +570,9 @@ typedef struct {
   int8_t  ignoreExist;
 } SCreateDbReq;
 
+int32_t tSerializeSCreateDbReq(void* buf, int32_t bufLen, SCreateDbReq* pReq);
+int32_t tDeserializeSCreateDbReq(void* buf, int32_t bufLen, SCreateDbReq* pReq);
+
 typedef struct {
   char    db[TSDB_DB_FNAME_LEN];
   int32_t totalBlocks;
@@ -582,28 +585,39 @@ typedef struct {
   int8_t  cacheLastRow;
 } SAlterDbReq;
 
+int32_t tSerializeSAlterDbReq(void* buf, int32_t bufLen, SAlterDbReq* pReq);
+int32_t tDeserializeSAlterDbReq(void* buf, int32_t bufLen, SAlterDbReq* pReq);
+
 typedef struct {
   char   db[TSDB_DB_FNAME_LEN];
   int8_t ignoreNotExists;
 } SDropDbReq;
 
+int32_t tSerializeSDropDbReq(void* buf, int32_t bufLen, SDropDbReq* pReq);
+int32_t tDeserializeSDropDbReq(void* buf, int32_t bufLen, SDropDbReq* pReq);
+
 typedef struct {
   char     db[TSDB_DB_FNAME_LEN];
   uint64_t uid;
 } SDropDbRsp;
 
+int32_t tSerializeSDropDbRsp(void* buf, int32_t bufLen, SDropDbRsp* pRsp);
+int32_t tDeserializeSDropDbRsp(void* buf, int32_t bufLen, SDropDbRsp* pRsp);
+
 typedef struct {
   char    db[TSDB_DB_FNAME_LEN];
   int32_t vgVersion;
 } SUseDbReq;
 
-typedef struct {
-  char db[TSDB_DB_FNAME_LEN];
-} SSyncDbReq;
+int32_t tSerializeSUseDbReq(void* buf, int32_t bufLen, SUseDbReq* pReq);
+int32_t tDeserializeSUseDbReq(void* buf, int32_t bufLen, SUseDbReq* pReq);
 
 typedef struct {
   char db[TSDB_DB_FNAME_LEN];
-} SCompactDbReq;
+} SSyncDbReq, SCompactDbReq;
+
+int32_t tSerializeSSyncDbReq(void* buf, int32_t bufLen, SSyncDbReq* pReq);
+int32_t tDeserializeSSyncDbReq(void* buf, int32_t bufLen, SSyncDbReq* pReq);
 
 typedef struct {
   char    name[TSDB_FUNC_NAME_LEN];
diff --git a/source/common/src/tmsg.c b/source/common/src/tmsg.c
index c6096ac4b8..20e1da9d07 100644
--- a/source/common/src/tmsg.c
+++ b/source/common/src/tmsg.c
@@ -1097,3 +1097,213 @@ int32_t tDeserializeSRetrieveFuncRsp(void *buf, int32_t bufLen, SRetrieveFuncRsp
   tCoderClear(&decoder);
   return 0;
 }
+
+int32_t tSerializeSCreateDbReq(void *buf, int32_t bufLen, SCreateDbReq *pReq) {
+  SCoder encoder = {0};
+  tCoderInit(&encoder, TD_LITTLE_ENDIAN, buf, bufLen, TD_ENCODER);
+
+  if (tStartEncode(&encoder) < 0) return -1;
+  if (tEncodeCStr(&encoder, pReq->db) < 0) return -1;
+  if (tEncodeI32(&encoder, pReq->numOfVgroups) < 0) return -1;
+  if (tEncodeI32(&encoder, pReq->cacheBlockSize) < 0) return -1;
+  if (tEncodeI32(&encoder, pReq->totalBlocks) < 0) return -1;
+  if (tEncodeI32(&encoder, pReq->daysPerFile) < 0) return -1;
+  if (tEncodeI32(&encoder, pReq->daysToKeep0) < 0) return -1;
+  if (tEncodeI32(&encoder, pReq->daysToKeep1) < 0) return -1;
+  if (tEncodeI32(&encoder, pReq->daysToKeep2) < 0) return -1;
+  if (tEncodeI32(&encoder, pReq->minRows) < 0) return -1;
+  if (tEncodeI32(&encoder, pReq->maxRows) < 0) return -1;
+  if (tEncodeI32(&encoder, pReq->commitTime) < 0) return -1;
+  if (tEncodeI32(&encoder, pReq->fsyncPeriod) < 0) return -1;
+  if (tEncodeI8(&encoder, pReq->walLevel) < 0) return -1;
+  if (tEncodeI8(&encoder, pReq->precision) < 0) return -1;
+  if (tEncodeI8(&encoder, pReq->compression) < 0) return -1;
+  if (tEncodeI8(&encoder, pReq->replications) < 0) return -1;
+  if (tEncodeI8(&encoder, pReq->quorum) < 0) return -1;
+  if (tEncodeI8(&encoder, pReq->update) < 0) return -1;
+  if (tEncodeI8(&encoder, pReq->cacheLastRow) < 0) return -1;
+  if (tEncodeI8(&encoder, pReq->ignoreExist) < 0) return -1;
+  tEndEncode(&encoder);
+
+  int32_t tlen = encoder.pos;
+  tCoderClear(&encoder);
+  return tlen;
+}
+
+int32_t tDeserializeSCreateDbReq(void *buf, int32_t bufLen, SCreateDbReq *pReq) {
+  SCoder decoder = {0};
+  tCoderInit(&decoder, TD_LITTLE_ENDIAN, buf, bufLen, TD_DECODER);
+
+  if (tStartDecode(&decoder) < 0) return -1;
+  if (tDecodeCStrTo(&decoder, pReq->db) < 0) return -1;
+  if (tDecodeI32(&decoder, &pReq->numOfVgroups) < 0) return -1;
+  if (tDecodeI32(&decoder, &pReq->cacheBlockSize) < 0) return -1;
+  if (tDecodeI32(&decoder, &pReq->totalBlocks) < 0) return -1;
+  if (tDecodeI32(&decoder, &pReq->daysPerFile) < 0) return -1;
+  if (tDecodeI32(&decoder, &pReq->daysToKeep0) < 0) return -1;
+  if (tDecodeI32(&decoder, &pReq->daysToKeep1) < 0) return -1;
+  if (tDecodeI32(&decoder, &pReq->daysToKeep2) < 0) return -1;
+  if (tDecodeI32(&decoder, &pReq->minRows) < 0) return -1;
+  if (tDecodeI32(&decoder, &pReq->maxRows) < 0) return -1;
+  if (tDecodeI32(&decoder, &pReq->commitTime) < 0) return -1;
+  if (tDecodeI32(&decoder, &pReq->fsyncPeriod) < 0) return -1;
+  if (tDecodeI8(&decoder, &pReq->walLevel) < 0) return -1;
+  if (tDecodeI8(&decoder, &pReq->precision) < 0) return -1;
+  if (tDecodeI8(&decoder, &pReq->compression) < 0) return -1;
+  if (tDecodeI8(&decoder, &pReq->replications) < 0) return -1;
+  if (tDecodeI8(&decoder, &pReq->quorum) < 0) return -1;
+  if (tDecodeI8(&decoder, &pReq->update) < 0) return -1;
+  if (tDecodeI8(&decoder, &pReq->cacheLastRow) < 0) return -1;
+  if (tDecodeI8(&decoder, &pReq->ignoreExist) < 0) return -1;
+  tEndDecode(&decoder);
+
+  tCoderClear(&decoder);
+  return 0;
+}
+
+int32_t tSerializeSAlterDbReq(void *buf, int32_t bufLen, SAlterDbReq *pReq) {
+  SCoder encoder = {0};
+  tCoderInit(&encoder, TD_LITTLE_ENDIAN, buf, bufLen, TD_ENCODER);
+
+  if (tStartEncode(&encoder) < 0) return -1;
+  if (tEncodeCStr(&encoder, pReq->db) < 0) return -1;
+  if (tEncodeI32(&encoder, pReq->totalBlocks) < 0) return -1;
+  if (tEncodeI32(&encoder, pReq->daysToKeep0) < 0) return -1;
+  if (tEncodeI32(&encoder, pReq->daysToKeep1) < 0) return -1;
+  if (tEncodeI32(&encoder, pReq->daysToKeep2) < 0) return -1;
+  if (tEncodeI32(&encoder, pReq->fsyncPeriod) < 0) return -1;
+  if (tEncodeI8(&encoder, pReq->walLevel) < 0) return -1;
+  if (tEncodeI8(&encoder, pReq->quorum) < 0) return -1;
+  if (tEncodeI8(&encoder, pReq->cacheLastRow) < 0) return -1;
+  tEndEncode(&encoder);
+
+  int32_t tlen = encoder.pos;
+  tCoderClear(&encoder);
+  return tlen;
+}
+
+int32_t tDeserializeSAlterDbReq(void *buf, int32_t bufLen, SAlterDbReq *pReq) {
+  SCoder decoder = {0};
+  tCoderInit(&decoder, TD_LITTLE_ENDIAN, buf, bufLen, TD_DECODER);
+
+  if (tStartDecode(&decoder) < 0) return -1;
+  if (tDecodeCStrTo(&decoder, pReq->db) < 0) return -1;
+  if (tDecodeI32(&decoder, &pReq->totalBlocks) < 0) return -1;
+  if (tDecodeI32(&decoder, &pReq->daysToKeep0) < 0) return -1;
+  if (tDecodeI32(&decoder, &pReq->daysToKeep1) < 0) return -1;
+  if (tDecodeI32(&decoder, &pReq->daysToKeep2) < 0) return -1;
+  if (tDecodeI32(&decoder, &pReq->fsyncPeriod) < 0) return -1;
+  if (tDecodeI8(&decoder, &pReq->walLevel) < 0) return -1;
+  if (tDecodeI8(&decoder, &pReq->quorum) < 0) return -1;
+  if (tDecodeI8(&decoder, &pReq->cacheLastRow) < 0) return -1;
+  tEndDecode(&decoder);
+
+  tCoderClear(&decoder);
+  return 0;
+}
+
+int32_t tSerializeSDropDbReq(void *buf, int32_t bufLen, SDropDbReq *pReq) {
+  SCoder encoder = {0};
+  tCoderInit(&encoder, TD_LITTLE_ENDIAN, buf, bufLen, TD_ENCODER);
+
+  if (tStartEncode(&encoder) < 0) return -1;
+  if (tEncodeCStr(&encoder, pReq->db) < 0) return -1;
+  if (tEncodeI8(&encoder, pReq->ignoreNotExists) < 0) return -1;
+  tEndEncode(&encoder);
+
+  int32_t tlen = encoder.pos;
+  tCoderClear(&encoder);
+  return tlen;
+}
+
+int32_t tDeserializeSDropDbReq(void *buf, int32_t bufLen, SDropDbReq *pReq) {
+  SCoder decoder = {0};
+  tCoderInit(&decoder, TD_LITTLE_ENDIAN, buf, bufLen, TD_DECODER);
+
+  if (tStartDecode(&decoder) < 0) return -1;
+  if (tDecodeCStrTo(&decoder, pReq->db) < 0) return -1;
+  if (tDecodeI8(&decoder, &pReq->ignoreNotExists) < 0) return -1;
+  tEndDecode(&decoder);
+
+  tCoderClear(&decoder);
+  return 0;
+}
+
+int32_t tSerializeSDropDbRsp(void *buf, int32_t bufLen, SDropDbRsp *pRsp) {
+  SCoder encoder = {0};
+  tCoderInit(&encoder, TD_LITTLE_ENDIAN, buf, bufLen, TD_ENCODER);
+
+  if (tStartEncode(&encoder) < 0) return -1;
+  if (tEncodeCStr(&encoder, pRsp->db) < 0) return -1;
+  if (tEncodeU64(&encoder, pRsp->uid) < 0) return -1;
+  tEndEncode(&encoder);
+
+  int32_t tlen = encoder.pos;
+  tCoderClear(&encoder);
+  return tlen;
+}
+
+int32_t tDeserializeSDropDbRsp(void *buf, int32_t bufLen, SDropDbRsp *pRsp) {
+  SCoder decoder = {0};
+  tCoderInit(&decoder, TD_LITTLE_ENDIAN, buf, bufLen, TD_DECODER);
+
+  if (tStartDecode(&decoder) < 0) return -1;
+  if (tDecodeCStrTo(&decoder, pRsp->db) < 0) return -1;
+  if (tDecodeU64(&decoder, &pRsp->uid) < 0) return -1;
+  tEndDecode(&decoder);
+
+  tCoderClear(&decoder);
+  return 0;
+}
+
+int32_t tSerializeSUseDbReq(void *buf, int32_t bufLen, SUseDbReq *pReq) {
+  SCoder encoder = {0};
+  tCoderInit(&encoder, TD_LITTLE_ENDIAN, buf, bufLen, TD_ENCODER);
+
+  if (tStartEncode(&encoder) < 0) return -1;
+  if (tEncodeCStr(&encoder, pReq->db) < 0) return -1;
+  if (tEncodeI32(&encoder, pReq->vgVersion) < 0) return -1;
+  tEndEncode(&encoder);
+
+  int32_t tlen = encoder.pos;
+  tCoderClear(&encoder);
+  return tlen;
+}
+
+int32_t tDeserializeSUseDbReq(void *buf, int32_t bufLen, SUseDbReq *pReq) {
+  SCoder decoder = {0};
+  tCoderInit(&decoder, TD_LITTLE_ENDIAN, buf, bufLen, TD_DECODER);
+
+  if (tStartDecode(&decoder) < 0) return -1;
+  if (tDecodeCStrTo(&decoder, pReq->db) < 0) return -1;
+  if (tDecodeI32(&decoder, &pReq->vgVersion) < 0) return -1;
+  tEndDecode(&decoder);
+
+  tCoderClear(&decoder);
+  return 0;
+}
+
+int32_t tSerializeSSyncDbReq(void *buf, int32_t bufLen, SSyncDbReq *pReq) {
+  SCoder encoder = {0};
+  tCoderInit(&encoder, TD_LITTLE_ENDIAN, buf, bufLen, TD_ENCODER);
+
+  if (tStartEncode(&encoder) < 0) return -1;
+  if (tEncodeCStr(&encoder, pReq->db) < 0) return -1;
+  tEndEncode(&encoder);
+
+  int32_t tlen = encoder.pos;
+  tCoderClear(&encoder);
+  return tlen;
+}
+
+int32_t tDeserializeSSyncDbReq(void *buf, int32_t bufLen, SSyncDbReq *pReq) {
+  SCoder decoder = {0};
+  tCoderInit(&decoder, TD_LITTLE_ENDIAN, buf, bufLen, TD_DECODER);
+
+  if (tStartDecode(&decoder) < 0) return -1;
+  if (tDecodeCStrTo(&decoder, pReq->db) < 0) return -1;
+  tEndDecode(&decoder);
+
+  tCoderClear(&decoder);
+  return 0;
+}
\ No newline at end of file
diff --git a/source/dnode/mnode/impl/inc/mndAuth.h b/source/dnode/mnode/impl/inc/mndAuth.h
index ca196f69be..c2c69f000b 100644
--- a/source/dnode/mnode/impl/inc/mndAuth.h
+++ b/source/dnode/mnode/impl/inc/mndAuth.h
@@ -29,8 +29,12 @@ int32_t mndCheckCreateUserAuth(SUserObj *pOperUser);
 int32_t mndCheckAlterUserAuth(SUserObj *pOperUser, SUserObj *pUser, SDbObj *pDb, SAlterUserReq *pAlter);
 int32_t mndCheckDropUserAuth(SUserObj *pOperUser);
 
-int32_t mndCheckOperateNodeAuth(SUserObj *pOperUser);
-int32_t mndCheckOperateFuncAuth(SUserObj *pOperUser);
+int32_t mndCheckNodeAuth(SUserObj *pOperUser);
+int32_t mndCheckFuncAuth(SUserObj *pOperUser);
+
+int32_t mndCheckCreateDbAuth(SUserObj *pOperUser);
+int32_t mndCheckAlterDropCompactSyncDbAuth(SUserObj *pOperUser, SDbObj *pDb);
+int32_t mndCheckUseDbAuth(SUserObj *pOperUser, SDbObj *pDb);
 
 #ifdef __cplusplus
 }
diff --git a/source/dnode/mnode/impl/src/mndAuth.c b/source/dnode/mnode/impl/src/mndAuth.c
index 14dc451686..84c8b7476c 100644
--- a/source/dnode/mnode/impl/src/mndAuth.c
+++ b/source/dnode/mnode/impl/src/mndAuth.c
@@ -111,7 +111,7 @@ int32_t mndCheckDropUserAuth(SUserObj *pOperUser) {
   return -1;
 }
 
-int32_t mndCheckOperateNodeAuth(SUserObj *pOperUser) {
+int32_t mndCheckNodeAuth(SUserObj *pOperUser) {
   if (pOperUser->superUser) {
     return 0;
   }
@@ -120,7 +120,7 @@ int32_t mndCheckOperateNodeAuth(SUserObj *pOperUser) {
   return -1;
 }
 
-int32_t mndCheckOperateFuncAuth(SUserObj *pOperUser) {
+int32_t mndCheckFuncAuth(SUserObj *pOperUser) {
   if (pOperUser->superUser) {
     return 0;
   }
@@ -128,3 +128,16 @@ int32_t mndCheckOperateFuncAuth(SUserObj *pOperUser) {
   terrno = TSDB_CODE_MND_NO_RIGHTS;
   return -1;
 }
+
+int32_t mndCheckCreateDbAuth(SUserObj *pOperUser) { return 0; }
+
+int32_t mndCheckAlterDropCompactSyncDbAuth(SUserObj *pOperUser, SDbObj *pDb) {
+  if (pOperUser->superUser || strcmp(pOperUser->user, pDb->createUser) == 0) {
+    return 0;
+  }
+
+  terrno = TSDB_CODE_MND_NO_RIGHTS;
+  return -1;
+}
+
+int32_t mndCheckUseDbAuth(SUserObj *pOperUser, SDbObj *pDb) { return 0; }
diff --git a/source/dnode/mnode/impl/src/mndBnode.c b/source/dnode/mnode/impl/src/mndBnode.c
index 7bffc482bb..eb9af7b358 100644
--- a/source/dnode/mnode/impl/src/mndBnode.c
+++ b/source/dnode/mnode/impl/src/mndBnode.c
@@ -293,7 +293,7 @@ static int32_t mndProcessCreateBnodeReq(SMnodeMsg *pReq) {
     goto CREATE_BNODE_OVER;
   }
 
-  if (mndCheckOperateNodeAuth(pUser)) {
+  if (mndCheckNodeAuth(pUser)) {
     goto CREATE_BNODE_OVER;
   }
 
@@ -400,7 +400,7 @@ static int32_t mndProcessDropBnodeReq(SMnodeMsg *pReq) {
     goto DROP_BNODE_OVER;
   }
 
-  if (mndCheckOperateNodeAuth(pUser)) {
+  if (mndCheckNodeAuth(pUser)) {
     goto DROP_BNODE_OVER;
   }
 
diff --git a/source/dnode/mnode/impl/src/mndDnode.c b/source/dnode/mnode/impl/src/mndDnode.c
index 3f4213064a..5126ca9db3 100644
--- a/source/dnode/mnode/impl/src/mndDnode.c
+++ b/source/dnode/mnode/impl/src/mndDnode.c
@@ -496,7 +496,7 @@ static int32_t mndProcessCreateDnodeReq(SMnodeMsg *pReq) {
     goto CREATE_DNODE_OVER;
   }
 
-  if (mndCheckOperateNodeAuth(pUser)) {
+  if (mndCheckNodeAuth(pUser)) {
     goto CREATE_DNODE_OVER;
   }
 
@@ -570,7 +570,7 @@ static int32_t mndProcessDropDnodeReq(SMnodeMsg *pReq) {
     goto DROP_DNODE_OVER;
   }
 
-  if (mndCheckOperateNodeAuth(pUser)) {
+  if (mndCheckNodeAuth(pUser)) {
     goto DROP_DNODE_OVER;
   }
 
diff --git a/source/dnode/mnode/impl/src/mndFunc.c b/source/dnode/mnode/impl/src/mndFunc.c
index cd5eaca638..3527f103db 100644
--- a/source/dnode/mnode/impl/src/mndFunc.c
+++ b/source/dnode/mnode/impl/src/mndFunc.c
@@ -321,7 +321,7 @@ static int32_t mndProcessCreateFuncReq(SMnodeMsg *pReq) {
     goto CREATE_FUNC_OVER;
   }
 
-  if (mndCheckOperateFuncAuth(pUser)) {
+  if (mndCheckFuncAuth(pUser)) {
     goto CREATE_FUNC_OVER;
   }
 
@@ -376,7 +376,7 @@ static int32_t mndProcessDropFuncReq(SMnodeMsg *pReq) {
     goto DROP_FUNC_OVER;
   }
 
-  if (mndCheckOperateFuncAuth(pUser)) {
+  if (mndCheckFuncAuth(pUser)) {
     goto DROP_FUNC_OVER;
   }
 
diff --git a/source/dnode/mnode/impl/src/mndMnode.c b/source/dnode/mnode/impl/src/mndMnode.c
index 0f27ebdd71..eb9ba49dd2 100644
--- a/source/dnode/mnode/impl/src/mndMnode.c
+++ b/source/dnode/mnode/impl/src/mndMnode.c
@@ -415,7 +415,7 @@ static int32_t mndProcessCreateMnodeReq(SMnodeMsg *pReq) {
     goto CREATE_MNODE_OVER;
   }
 
-  if (mndCheckOperateNodeAuth(pUser)) {
+  if (mndCheckNodeAuth(pUser)) {
     goto CREATE_MNODE_OVER;
   }
 
@@ -582,7 +582,7 @@ static int32_t mndProcessDropMnodeReq(SMnodeMsg *pReq) {
     goto DROP_MNODE_OVER;
   }
 
-  if (mndCheckOperateNodeAuth(pUser)) {
+  if (mndCheckNodeAuth(pUser)) {
     goto DROP_MNODE_OVER;
   }
 
diff --git a/source/dnode/mnode/impl/src/mndQnode.c b/source/dnode/mnode/impl/src/mndQnode.c
index cdb2b79e0f..db1ea2ab17 100644
--- a/source/dnode/mnode/impl/src/mndQnode.c
+++ b/source/dnode/mnode/impl/src/mndQnode.c
@@ -293,7 +293,7 @@ static int32_t mndProcessCreateQnodeReq(SMnodeMsg *pReq) {
     goto CREATE_QNODE_OVER;
   }
 
-  if (mndCheckOperateNodeAuth(pUser)) {
+  if (mndCheckNodeAuth(pUser)) {
     goto CREATE_QNODE_OVER;
   }
 
@@ -400,7 +400,7 @@ static int32_t mndProcessDropQnodeReq(SMnodeMsg *pReq) {
     goto DROP_QNODE_OVER;
   }
 
-  if (mndCheckOperateNodeAuth(pUser)) {
+  if (mndCheckNodeAuth(pUser)) {
     goto DROP_QNODE_OVER;
   }
 
diff --git a/source/dnode/mnode/impl/src/mndSnode.c b/source/dnode/mnode/impl/src/mndSnode.c
index a239564fe6..dd699364c0 100644
--- a/source/dnode/mnode/impl/src/mndSnode.c
+++ b/source/dnode/mnode/impl/src/mndSnode.c
@@ -294,7 +294,7 @@ static int32_t mndProcessCreateSnodeReq(SMnodeMsg *pReq) {
     goto CREATE_SNODE_OVER;
   }
 
-  if (mndCheckOperateNodeAuth(pUser)) {
+  if (mndCheckNodeAuth(pUser)) {
     goto CREATE_SNODE_OVER;
   }
 
@@ -403,7 +403,7 @@ static int32_t mndProcessDropSnodeReq(SMnodeMsg *pReq) {
     goto DROP_SNODE_OVER;
   }
 
-  if (mndCheckOperateNodeAuth(pUser)) {
+  if (mndCheckNodeAuth(pUser)) {
     goto DROP_SNODE_OVER;
   }