diff --git a/include/common/tmsg.h b/include/common/tmsg.h
index ac26e4f074..affab8903c 100644
--- a/include/common/tmsg.h
+++ b/include/common/tmsg.h
@@ -851,15 +851,15 @@ typedef struct {
 
 typedef struct {
   int32_t dnodeId;
-} SMCreateQnodeMsg, SMDropQnodeMsg, SDCreateQnodeMsg, SDDropQnodeMsg;
+} SMCreateQnodeReq, SMDropQnodeReq, SDCreateQnodeReq, SDDropQnodeReq;
 
 typedef struct {
   int32_t dnodeId;
-} SMCreateSnodeMsg, SMDropSnodeMsg, SDCreateSnodeMsg, SDDropSnodeMsg;
+} SMCreateSnodeReq, SMDropSnodeReq, SDCreateSnodeReq, SDDropSnodeReq;
 
 typedef struct {
   int32_t dnodeId;
-} SMCreateBnodeMsg, SMDropBnodeMsg, SDCreateBnodeMsg, SDDropBnodeMsg;
+} SMCreateBnodeReq, SMDropBnodeReq, SDCreateBnodeReq, SDDropBnodeReq;
 
 typedef struct {
   int32_t dnodeId;
diff --git a/source/dnode/mgmt/impl/src/dndBnode.c b/source/dnode/mgmt/impl/src/dndBnode.c
index dfe4eda145..da3295b5d7 100644
--- a/source/dnode/mgmt/impl/src/dndBnode.c
+++ b/source/dnode/mgmt/impl/src/dndBnode.c
@@ -60,7 +60,7 @@ static int32_t dndReadBnodeFile(SDnode *pDnode) {
   SBnodeMgmt *pMgmt = &pDnode->bmgmt;
   int32_t     code = TSDB_CODE_DND_BNODE_READ_FILE_ERROR;
   int32_t     len = 0;
-  int32_t     maxLen = 4096;
+  int32_t     maxLen = 1024;
   char       *content = calloc(1, maxLen + 1);
   cJSON      *root = NULL;
 
@@ -127,7 +127,7 @@ static int32_t dndWriteBnodeFile(SDnode *pDnode) {
   }
 
   int32_t len = 0;
-  int32_t maxLen = 4096;
+  int32_t maxLen = 1024;
   char   *content = calloc(1, maxLen + 1);
 
   len += snprintf(content + len, maxLen - len, "{\n");
@@ -256,7 +256,7 @@ static int32_t dndDropBnode(SDnode *pDnode) {
 }
 
 int32_t dndProcessCreateBnodeReq(SDnode *pDnode, SRpcMsg *pRpcMsg) {
-  SDCreateBnodeMsg *pMsg = pRpcMsg->pCont;
+  SDCreateBnodeReq *pMsg = pRpcMsg->pCont;
   pMsg->dnodeId = htonl(pMsg->dnodeId);
 
   if (pMsg->dnodeId != dndGetDnodeId(pDnode)) {
@@ -268,7 +268,7 @@ int32_t dndProcessCreateBnodeReq(SDnode *pDnode, SRpcMsg *pRpcMsg) {
 }
 
 int32_t dndProcessDropBnodeReq(SDnode *pDnode, SRpcMsg *pRpcMsg) {
-  SDDropBnodeMsg *pMsg = pRpcMsg->pCont;
+  SDDropBnodeReq *pMsg = pRpcMsg->pCont;
   pMsg->dnodeId = htonl(pMsg->dnodeId);
 
   if (pMsg->dnodeId != dndGetDnodeId(pDnode)) {
diff --git a/source/dnode/mgmt/impl/src/dndQnode.c b/source/dnode/mgmt/impl/src/dndQnode.c
index e73a0cb0d8..642c17b661 100644
--- a/source/dnode/mgmt/impl/src/dndQnode.c
+++ b/source/dnode/mgmt/impl/src/dndQnode.c
@@ -60,7 +60,7 @@ static int32_t dndReadQnodeFile(SDnode *pDnode) {
   SQnodeMgmt *pMgmt = &pDnode->qmgmt;
   int32_t     code = TSDB_CODE_DND_QNODE_READ_FILE_ERROR;
   int32_t     len = 0;
-  int32_t     maxLen = 4096;
+  int32_t     maxLen = 1024;
   char       *content = calloc(1, maxLen + 1);
   cJSON      *root = NULL;
 
@@ -127,7 +127,7 @@ static int32_t dndWriteQnodeFile(SDnode *pDnode) {
   }
 
   int32_t len = 0;
-  int32_t maxLen = 4096;
+  int32_t maxLen = 1024;
   char   *content = calloc(1, maxLen + 1);
 
   len += snprintf(content + len, maxLen - len, "{\n");
@@ -261,7 +261,7 @@ static int32_t dndDropQnode(SDnode *pDnode) {
 }
 
 int32_t dndProcessCreateQnodeReq(SDnode *pDnode, SRpcMsg *pRpcMsg) {
-  SDCreateQnodeMsg *pMsg = pRpcMsg->pCont;
+  SDCreateQnodeReq *pMsg = pRpcMsg->pCont;
   pMsg->dnodeId = htonl(pMsg->dnodeId);
 
   if (pMsg->dnodeId != dndGetDnodeId(pDnode)) {
@@ -273,7 +273,7 @@ int32_t dndProcessCreateQnodeReq(SDnode *pDnode, SRpcMsg *pRpcMsg) {
 }
 
 int32_t dndProcessDropQnodeReq(SDnode *pDnode, SRpcMsg *pRpcMsg) {
-  SDDropQnodeMsg *pMsg = pRpcMsg->pCont;
+  SDDropQnodeReq *pMsg = pRpcMsg->pCont;
   pMsg->dnodeId = htonl(pMsg->dnodeId);
 
   if (pMsg->dnodeId != dndGetDnodeId(pDnode)) {
diff --git a/source/dnode/mgmt/impl/src/dndSnode.c b/source/dnode/mgmt/impl/src/dndSnode.c
index 070fc8663e..a295a2d481 100644
--- a/source/dnode/mgmt/impl/src/dndSnode.c
+++ b/source/dnode/mgmt/impl/src/dndSnode.c
@@ -60,7 +60,7 @@ static int32_t dndReadSnodeFile(SDnode *pDnode) {
   SSnodeMgmt *pMgmt = &pDnode->smgmt;
   int32_t     code = TSDB_CODE_DND_SNODE_READ_FILE_ERROR;
   int32_t     len = 0;
-  int32_t     maxLen = 4096;
+  int32_t     maxLen = 1024;
   char       *content = calloc(1, maxLen + 1);
   cJSON      *root = NULL;
 
@@ -127,7 +127,7 @@ static int32_t dndWriteSnodeFile(SDnode *pDnode) {
   }
 
   int32_t len = 0;
-  int32_t maxLen = 4096;
+  int32_t maxLen = 1024;
   char   *content = calloc(1, maxLen + 1);
 
   len += snprintf(content + len, maxLen - len, "{\n");
@@ -256,7 +256,7 @@ static int32_t dndDropSnode(SDnode *pDnode) {
 }
 
 int32_t dndProcessCreateSnodeReq(SDnode *pDnode, SRpcMsg *pRpcMsg) {
-  SDCreateSnodeMsg *pMsg = pRpcMsg->pCont;
+  SDCreateSnodeReq *pMsg = pRpcMsg->pCont;
   pMsg->dnodeId = htonl(pMsg->dnodeId);
 
   if (pMsg->dnodeId != dndGetDnodeId(pDnode)) {
@@ -268,7 +268,7 @@ int32_t dndProcessCreateSnodeReq(SDnode *pDnode, SRpcMsg *pRpcMsg) {
 }
 
 int32_t dndProcessDropSnodeReq(SDnode *pDnode, SRpcMsg *pRpcMsg) {
-  SDDropSnodeMsg *pMsg = pRpcMsg->pCont;
+  SDDropSnodeReq *pMsg = pRpcMsg->pCont;
   pMsg->dnodeId = htonl(pMsg->dnodeId);
 
   if (pMsg->dnodeId != dndGetDnodeId(pDnode)) {
diff --git a/source/dnode/mgmt/impl/test/bnode/bnode.cpp b/source/dnode/mgmt/impl/test/bnode/bnode.cpp
index b06fd1bbca..7777d60550 100644
--- a/source/dnode/mgmt/impl/test/bnode/bnode.cpp
+++ b/source/dnode/mgmt/impl/test/bnode/bnode.cpp
@@ -52,9 +52,9 @@ TEST_F(DndTestBnode, 01_ShowBnode) {
 
 TEST_F(DndTestBnode, 02_Create_Bnode_Invalid_Id) {
   {
-    int32_t contLen = sizeof(SMCreateBnodeMsg);
+    int32_t contLen = sizeof(SMCreateBnodeReq);
 
-    SMCreateBnodeMsg* pReq = (SMCreateBnodeMsg*)rpcMallocCont(contLen);
+    SMCreateBnodeReq* pReq = (SMCreateBnodeReq*)rpcMallocCont(contLen);
     pReq->dnodeId = htonl(1);
 
     SRpcMsg* pMsg = test.SendMsg(TDMT_MND_CREATE_BNODE, pReq, contLen);
@@ -79,9 +79,9 @@ TEST_F(DndTestBnode, 02_Create_Bnode_Invalid_Id) {
 
 TEST_F(DndTestBnode, 03_Create_Bnode_Invalid_Id) {
   {
-    int32_t contLen = sizeof(SMCreateBnodeMsg);
+    int32_t contLen = sizeof(SMCreateBnodeReq);
 
-    SMCreateBnodeMsg* pReq = (SMCreateBnodeMsg*)rpcMallocCont(contLen);
+    SMCreateBnodeReq* pReq = (SMCreateBnodeReq*)rpcMallocCont(contLen);
     pReq->dnodeId = htonl(2);
 
     SRpcMsg* pMsg = test.SendMsg(TDMT_MND_CREATE_BNODE, pReq, contLen);
@@ -111,9 +111,9 @@ TEST_F(DndTestBnode, 04_Create_Bnode) {
 
   {
     // create bnode
-    int32_t contLen = sizeof(SMCreateBnodeMsg);
+    int32_t contLen = sizeof(SMCreateBnodeReq);
 
-    SMCreateBnodeMsg* pReq = (SMCreateBnodeMsg*)rpcMallocCont(contLen);
+    SMCreateBnodeReq* pReq = (SMCreateBnodeReq*)rpcMallocCont(contLen);
     pReq->dnodeId = htonl(2);
 
     SRpcMsg* pMsg = test.SendMsg(TDMT_MND_CREATE_BNODE, pReq, contLen);
@@ -134,9 +134,9 @@ TEST_F(DndTestBnode, 04_Create_Bnode) {
 
   {
     // drop bnode
-    int32_t contLen = sizeof(SMDropBnodeMsg);
+    int32_t contLen = sizeof(SMDropBnodeReq);
 
-    SMDropBnodeMsg* pReq = (SMDropBnodeMsg*)rpcMallocCont(contLen);
+    SMDropBnodeReq* pReq = (SMDropBnodeReq*)rpcMallocCont(contLen);
     pReq->dnodeId = htonl(2);
 
     SRpcMsg* pMsg = test.SendMsg(TDMT_MND_DROP_BNODE, pReq, contLen);
diff --git a/source/dnode/mgmt/impl/test/qnode/dqnode.cpp b/source/dnode/mgmt/impl/test/qnode/dqnode.cpp
index 8678e098f4..fa9038107e 100644
--- a/source/dnode/mgmt/impl/test/qnode/dqnode.cpp
+++ b/source/dnode/mgmt/impl/test/qnode/dqnode.cpp
@@ -24,3 +24,44 @@ class DndTestQnode : public ::testing::Test {
 };
 
 Testbase DndTestQnode::test;
+
+TEST_F(DndTestQnode, 04_Drop_User) {
+  {
+    int32_t contLen = sizeof(SDropUserReq);
+
+    SDropUserReq* pReq = (SDropUserReq*)rpcMallocCont(contLen);
+    strcpy(pReq->user, "");
+
+    SRpcMsg* pMsg = test.SendMsg(TDMT_MND_DROP_USER, pReq, contLen);
+    ASSERT_NE(pMsg, nullptr);
+    ASSERT_EQ(pMsg->code, TSDB_CODE_MND_INVALID_USER_FORMAT);
+  }
+
+  // {
+  //   int32_t contLen = sizeof(SDropUserReq);
+
+  //   SDropUserReq* pReq = (SDropUserReq*)rpcMallocCont(contLen);
+  //   strcpy(pReq->user, "u4");
+
+  //   SRpcMsg* pMsg = test.SendMsg(TDMT_MND_DROP_USER, pReq, contLen);
+  //   ASSERT_NE(pMsg, nullptr);
+  //   ASSERT_EQ(pMsg->code, TSDB_CODE_MND_USER_NOT_EXIST);
+  // }
+
+  // {
+  //   int32_t contLen = sizeof(SDropUserReq);
+
+  //   SDropUserReq* pReq = (SDropUserReq*)rpcMallocCont(contLen);
+  //   strcpy(pReq->user, "u1");
+
+  //   SRpcMsg* pMsg = test.SendMsg(TDMT_MND_DROP_USER, pReq, contLen);
+  //   ASSERT_NE(pMsg, nullptr);
+  //   ASSERT_EQ(pMsg->code, 0);
+  // }
+
+  // test.SendShowMetaMsg(TSDB_MGMT_TABLE_USER, "");
+  // CHECK_META("show users", 4);
+
+  // test.SendShowRetrieveMsg();
+  // EXPECT_EQ(test.GetShowRows(), 1);
+}
\ No newline at end of file
diff --git a/source/dnode/mnode/impl/src/mndBnode.c b/source/dnode/mnode/impl/src/mndBnode.c
index ceaebe3f6d..886784805e 100644
--- a/source/dnode/mnode/impl/src/mndBnode.c
+++ b/source/dnode/mnode/impl/src/mndBnode.c
@@ -178,7 +178,7 @@ static int32_t mndSetCreateBnodeCommitLogs(STrans *pTrans, SBnodeObj *pObj) {
 }
 
 static int32_t mndSetCreateBnodeRedoActions(STrans *pTrans, SDnodeObj *pDnode, SBnodeObj *pObj) {
-  SDCreateBnodeMsg *pMsg = malloc(sizeof(SDCreateBnodeMsg));
+  SDCreateBnodeReq *pMsg = malloc(sizeof(SDCreateBnodeReq));
   if (pMsg == NULL) {
     terrno = TSDB_CODE_OUT_OF_MEMORY;
     return -1;
@@ -188,7 +188,7 @@ static int32_t mndSetCreateBnodeRedoActions(STrans *pTrans, SDnodeObj *pDnode, S
   STransAction action = {0};
   action.epSet = mndGetDnodeEpset(pDnode);
   action.pCont = pMsg;
-  action.contLen = sizeof(SDCreateBnodeMsg);
+  action.contLen = sizeof(SDCreateBnodeReq);
   action.msgType = TDMT_DND_CREATE_BNODE;
 
   if (mndTransAppendRedoAction(pTrans, &action) != 0) {
@@ -199,7 +199,7 @@ static int32_t mndSetCreateBnodeRedoActions(STrans *pTrans, SDnodeObj *pDnode, S
   return 0;
 }
 
-static int32_t mndCreateBnode(SMnode *pMnode, SMnodeMsg *pMsg, SDnodeObj *pDnode, SMCreateBnodeMsg *pCreate) {
+static int32_t mndCreateBnode(SMnode *pMnode, SMnodeMsg *pMsg, SDnodeObj *pDnode, SMCreateBnodeReq *pCreate) {
   SBnodeObj bnodeObj = {0};
   bnodeObj.id = pDnode->id;
   bnodeObj.createdTime = taosGetTimestampMs();
@@ -242,7 +242,7 @@ CREATE_BNODE_OVER:
 
 static int32_t mndProcessCreateBnodeReq(SMnodeMsg *pMsg) {
   SMnode           *pMnode = pMsg->pMnode;
-  SMCreateBnodeMsg *pCreate = pMsg->rpcMsg.pCont;
+  SMCreateBnodeReq *pCreate = pMsg->rpcMsg.pCont;
 
   pCreate->dnodeId = htonl(pCreate->dnodeId);
 
@@ -290,7 +290,7 @@ static int32_t mndSetDropBnodeCommitLogs(STrans *pTrans, SBnodeObj *pObj) {
 }
 
 static int32_t mndSetDropBnodeRedoActions(STrans *pTrans, SDnodeObj *pDnode, SBnodeObj *pObj) {
-  SDDropBnodeMsg *pMsg = malloc(sizeof(SDDropBnodeMsg));
+  SDDropBnodeReq *pMsg = malloc(sizeof(SDDropBnodeReq));
   if (pMsg == NULL) {
     terrno = TSDB_CODE_OUT_OF_MEMORY;
     return -1;
@@ -300,7 +300,7 @@ static int32_t mndSetDropBnodeRedoActions(STrans *pTrans, SDnodeObj *pDnode, SBn
   STransAction action = {0};
   action.epSet = mndGetDnodeEpset(pDnode);
   action.pCont = pMsg;
-  action.contLen = sizeof(SDDropBnodeMsg);
+  action.contLen = sizeof(SDDropBnodeReq);
   action.msgType = TDMT_DND_DROP_BNODE;
 
   if (mndTransAppendRedoAction(pTrans, &action) != 0) {
@@ -350,7 +350,7 @@ DROP_BNODE_OVER:
 
 static int32_t mndProcessDropBnodeReq(SMnodeMsg *pMsg) {
   SMnode         *pMnode = pMsg->pMnode;
-  SMDropBnodeMsg *pDrop = pMsg->rpcMsg.pCont;
+  SMDropBnodeReq *pDrop = pMsg->rpcMsg.pCont;
   pDrop->dnodeId = htonl(pDrop->dnodeId);
 
   mDebug("bnode:%d, start to drop", pDrop->dnodeId);
diff --git a/source/dnode/mnode/impl/src/mndQnode.c b/source/dnode/mnode/impl/src/mndQnode.c
index a0c4ff8218..ea4cfa41c8 100644
--- a/source/dnode/mnode/impl/src/mndQnode.c
+++ b/source/dnode/mnode/impl/src/mndQnode.c
@@ -178,7 +178,7 @@ static int32_t mndSetCreateQnodeCommitLogs(STrans *pTrans, SQnodeObj *pObj) {
 }
 
 static int32_t mndSetCreateQnodeRedoActions(STrans *pTrans, SDnodeObj *pDnode, SQnodeObj *pObj) {
-  SDCreateQnodeMsg *pMsg = malloc(sizeof(SDCreateQnodeMsg));
+  SDCreateQnodeReq *pMsg = malloc(sizeof(SDCreateQnodeReq));
   if (pMsg == NULL) {
     terrno = TSDB_CODE_OUT_OF_MEMORY;
     return -1;
@@ -188,7 +188,7 @@ static int32_t mndSetCreateQnodeRedoActions(STrans *pTrans, SDnodeObj *pDnode, S
   STransAction action = {0};
   action.epSet = mndGetDnodeEpset(pDnode);
   action.pCont = pMsg;
-  action.contLen = sizeof(SDCreateQnodeMsg);
+  action.contLen = sizeof(SDCreateQnodeReq);
   action.msgType = TDMT_DND_CREATE_QNODE;
 
   if (mndTransAppendRedoAction(pTrans, &action) != 0) {
@@ -199,7 +199,7 @@ static int32_t mndSetCreateQnodeRedoActions(STrans *pTrans, SDnodeObj *pDnode, S
   return 0;
 }
 
-static int32_t mndCreateQnode(SMnode *pMnode, SMnodeMsg *pMsg, SDnodeObj *pDnode, SMCreateQnodeMsg *pCreate) {
+static int32_t mndCreateQnode(SMnode *pMnode, SMnodeMsg *pMsg, SDnodeObj *pDnode, SMCreateQnodeReq *pCreate) {
   SQnodeObj qnodeObj = {0};
   qnodeObj.id = pDnode->id;
   qnodeObj.createdTime = taosGetTimestampMs();
@@ -242,7 +242,7 @@ CREATE_QNODE_OVER:
 
 static int32_t mndProcessCreateQnodeReq(SMnodeMsg *pMsg) {
   SMnode           *pMnode = pMsg->pMnode;
-  SMCreateQnodeMsg *pCreate = pMsg->rpcMsg.pCont;
+  SMCreateQnodeReq *pCreate = pMsg->rpcMsg.pCont;
 
   pCreate->dnodeId = htonl(pCreate->dnodeId);
 
@@ -290,7 +290,7 @@ static int32_t mndSetDropQnodeCommitLogs(STrans *pTrans, SQnodeObj *pObj) {
 }
 
 static int32_t mndSetDropQnodeRedoActions(STrans *pTrans, SDnodeObj *pDnode, SQnodeObj *pObj) {
-  SDDropQnodeMsg *pMsg = malloc(sizeof(SDDropQnodeMsg));
+  SDDropQnodeReq *pMsg = malloc(sizeof(SDDropQnodeReq));
   if (pMsg == NULL) {
     terrno = TSDB_CODE_OUT_OF_MEMORY;
     return -1;
@@ -300,7 +300,7 @@ static int32_t mndSetDropQnodeRedoActions(STrans *pTrans, SDnodeObj *pDnode, SQn
   STransAction action = {0};
   action.epSet = mndGetDnodeEpset(pDnode);
   action.pCont = pMsg;
-  action.contLen = sizeof(SDDropQnodeMsg);
+  action.contLen = sizeof(SDDropQnodeReq);
   action.msgType = TDMT_DND_DROP_QNODE;
 
   if (mndTransAppendRedoAction(pTrans, &action) != 0) {
@@ -350,7 +350,7 @@ DROP_QNODE_OVER:
 
 static int32_t mndProcessDropQnodeReq(SMnodeMsg *pMsg) {
   SMnode         *pMnode = pMsg->pMnode;
-  SMDropQnodeMsg *pDrop = pMsg->rpcMsg.pCont;
+  SMDropQnodeReq *pDrop = pMsg->rpcMsg.pCont;
   pDrop->dnodeId = htonl(pDrop->dnodeId);
 
   mDebug("qnode:%d, start to drop", pDrop->dnodeId);
diff --git a/source/dnode/mnode/impl/src/mndSnode.c b/source/dnode/mnode/impl/src/mndSnode.c
index ac03e1659c..3ab1ad4eaf 100644
--- a/source/dnode/mnode/impl/src/mndSnode.c
+++ b/source/dnode/mnode/impl/src/mndSnode.c
@@ -178,7 +178,7 @@ static int32_t mndSetCreateSnodeCommitLogs(STrans *pTrans, SSnodeObj *pObj) {
 }
 
 static int32_t mndSetCreateSnodeRedoActions(STrans *pTrans, SDnodeObj *pDnode, SSnodeObj *pObj) {
-  SDCreateSnodeMsg *pMsg = malloc(sizeof(SDCreateSnodeMsg));
+  SDCreateSnodeReq *pMsg = malloc(sizeof(SDCreateSnodeReq));
   if (pMsg == NULL) {
     terrno = TSDB_CODE_OUT_OF_MEMORY;
     return -1;
@@ -188,7 +188,7 @@ static int32_t mndSetCreateSnodeRedoActions(STrans *pTrans, SDnodeObj *pDnode, S
   STransAction action = {0};
   action.epSet = mndGetDnodeEpset(pDnode);
   action.pCont = pMsg;
-  action.contLen = sizeof(SDCreateSnodeMsg);
+  action.contLen = sizeof(SDCreateSnodeReq);
   action.msgType = TDMT_DND_CREATE_SNODE;
 
   if (mndTransAppendRedoAction(pTrans, &action) != 0) {
@@ -199,7 +199,7 @@ static int32_t mndSetCreateSnodeRedoActions(STrans *pTrans, SDnodeObj *pDnode, S
   return 0;
 }
 
-static int32_t mndCreateSnode(SMnode *pMnode, SMnodeMsg *pMsg, SDnodeObj *pDnode, SMCreateSnodeMsg *pCreate) {
+static int32_t mndCreateSnode(SMnode *pMnode, SMnodeMsg *pMsg, SDnodeObj *pDnode, SMCreateSnodeReq *pCreate) {
   SSnodeObj snodeObj = {0};
   snodeObj.id = pDnode->id;
   snodeObj.createdTime = taosGetTimestampMs();
@@ -242,7 +242,7 @@ CREATE_SNODE_OVER:
 
 static int32_t mndProcessCreateSnodeReq(SMnodeMsg *pMsg) {
   SMnode           *pMnode = pMsg->pMnode;
-  SMCreateSnodeMsg *pCreate = pMsg->rpcMsg.pCont;
+  SMCreateSnodeReq *pCreate = pMsg->rpcMsg.pCont;
 
   pCreate->dnodeId = htonl(pCreate->dnodeId);
 
@@ -290,7 +290,7 @@ static int32_t mndSetDropSnodeCommitLogs(STrans *pTrans, SSnodeObj *pObj) {
 }
 
 static int32_t mndSetDropSnodeRedoActions(STrans *pTrans, SDnodeObj *pDnode, SSnodeObj *pObj) {
-  SDDropSnodeMsg *pMsg = malloc(sizeof(SDDropSnodeMsg));
+  SDDropSnodeReq *pMsg = malloc(sizeof(SDDropSnodeReq));
   if (pMsg == NULL) {
     terrno = TSDB_CODE_OUT_OF_MEMORY;
     return -1;
@@ -300,7 +300,7 @@ static int32_t mndSetDropSnodeRedoActions(STrans *pTrans, SDnodeObj *pDnode, SSn
   STransAction action = {0};
   action.epSet = mndGetDnodeEpset(pDnode);
   action.pCont = pMsg;
-  action.contLen = sizeof(SDDropSnodeMsg);
+  action.contLen = sizeof(SDDropSnodeReq);
   action.msgType = TDMT_DND_DROP_SNODE;
 
   if (mndTransAppendRedoAction(pTrans, &action) != 0) {
@@ -350,7 +350,7 @@ DROP_SNODE_OVER:
 
 static int32_t mndProcessDropSnodeReq(SMnodeMsg *pMsg) {
   SMnode         *pMnode = pMsg->pMnode;
-  SMDropSnodeMsg *pDrop = pMsg->rpcMsg.pCont;
+  SMDropSnodeReq *pDrop = pMsg->rpcMsg.pCont;
   pDrop->dnodeId = htonl(pDrop->dnodeId);
 
   mDebug("snode:%d, start to drop", pDrop->dnodeId);
diff --git a/source/dnode/mnode/impl/test/bnode/bnode.cpp b/source/dnode/mnode/impl/test/bnode/bnode.cpp
index 2d44249f77..fa06d9ac69 100644
--- a/source/dnode/mnode/impl/test/bnode/bnode.cpp
+++ b/source/dnode/mnode/impl/test/bnode/bnode.cpp
@@ -52,9 +52,9 @@ TEST_F(MndTestBnode, 01_Show_Bnode) {
 
 TEST_F(MndTestBnode, 02_Create_Bnode_Invalid_Id) {
   {
-    int32_t contLen = sizeof(SMCreateBnodeMsg);
+    int32_t contLen = sizeof(SMCreateBnodeReq);
 
-    SMCreateBnodeMsg* pReq = (SMCreateBnodeMsg*)rpcMallocCont(contLen);
+    SMCreateBnodeReq* pReq = (SMCreateBnodeReq*)rpcMallocCont(contLen);
     pReq->dnodeId = htonl(1);
 
     SRpcMsg* pMsg = test.SendMsg(TDMT_MND_CREATE_BNODE, pReq, contLen);
@@ -79,9 +79,9 @@ TEST_F(MndTestBnode, 02_Create_Bnode_Invalid_Id) {
 
 TEST_F(MndTestBnode, 03_Create_Bnode_Invalid_Id) {
   {
-    int32_t contLen = sizeof(SMCreateBnodeMsg);
+    int32_t contLen = sizeof(SMCreateBnodeReq);
 
-    SMCreateBnodeMsg* pReq = (SMCreateBnodeMsg*)rpcMallocCont(contLen);
+    SMCreateBnodeReq* pReq = (SMCreateBnodeReq*)rpcMallocCont(contLen);
     pReq->dnodeId = htonl(2);
 
     SRpcMsg* pMsg = test.SendMsg(TDMT_MND_CREATE_BNODE, pReq, contLen);
@@ -111,9 +111,9 @@ TEST_F(MndTestBnode, 04_Create_Bnode) {
 
   {
     // create bnode
-    int32_t contLen = sizeof(SMCreateBnodeMsg);
+    int32_t contLen = sizeof(SMCreateBnodeReq);
 
-    SMCreateBnodeMsg* pReq = (SMCreateBnodeMsg*)rpcMallocCont(contLen);
+    SMCreateBnodeReq* pReq = (SMCreateBnodeReq*)rpcMallocCont(contLen);
     pReq->dnodeId = htonl(2);
 
     SRpcMsg* pMsg = test.SendMsg(TDMT_MND_CREATE_BNODE, pReq, contLen);
@@ -134,9 +134,9 @@ TEST_F(MndTestBnode, 04_Create_Bnode) {
 
   {
     // drop bnode
-    int32_t contLen = sizeof(SMDropBnodeMsg);
+    int32_t contLen = sizeof(SMDropBnodeReq);
 
-    SMDropBnodeMsg* pReq = (SMDropBnodeMsg*)rpcMallocCont(contLen);
+    SMDropBnodeReq* pReq = (SMDropBnodeReq*)rpcMallocCont(contLen);
     pReq->dnodeId = htonl(2);
 
     SRpcMsg* pMsg = test.SendMsg(TDMT_MND_DROP_BNODE, pReq, contLen);
diff --git a/source/dnode/mnode/impl/test/qnode/qnode.cpp b/source/dnode/mnode/impl/test/qnode/qnode.cpp
index ca768db56c..f5dfc35188 100644
--- a/source/dnode/mnode/impl/test/qnode/qnode.cpp
+++ b/source/dnode/mnode/impl/test/qnode/qnode.cpp
@@ -52,9 +52,9 @@ TEST_F(MndTestQnode, 01_Show_Qnode) {
 
 TEST_F(MndTestQnode, 02_Create_Qnode_Invalid_Id) {
   {
-    int32_t contLen = sizeof(SMCreateQnodeMsg);
+    int32_t contLen = sizeof(SMCreateQnodeReq);
 
-    SMCreateQnodeMsg* pReq = (SMCreateQnodeMsg*)rpcMallocCont(contLen);
+    SMCreateQnodeReq* pReq = (SMCreateQnodeReq*)rpcMallocCont(contLen);
     pReq->dnodeId = htonl(1);
 
     SRpcMsg* pMsg = test.SendMsg(TDMT_MND_CREATE_QNODE, pReq, contLen);
@@ -79,9 +79,9 @@ TEST_F(MndTestQnode, 02_Create_Qnode_Invalid_Id) {
 
 TEST_F(MndTestQnode, 03_Create_Qnode_Invalid_Id) {
   {
-    int32_t contLen = sizeof(SMCreateQnodeMsg);
+    int32_t contLen = sizeof(SMCreateQnodeReq);
 
-    SMCreateQnodeMsg* pReq = (SMCreateQnodeMsg*)rpcMallocCont(contLen);
+    SMCreateQnodeReq* pReq = (SMCreateQnodeReq*)rpcMallocCont(contLen);
     pReq->dnodeId = htonl(2);
 
     SRpcMsg* pMsg = test.SendMsg(TDMT_MND_CREATE_QNODE, pReq, contLen);
@@ -111,9 +111,9 @@ TEST_F(MndTestQnode, 04_Create_Qnode) {
 
   {
     // create qnode
-    int32_t contLen = sizeof(SMCreateQnodeMsg);
+    int32_t contLen = sizeof(SMCreateQnodeReq);
 
-    SMCreateQnodeMsg* pReq = (SMCreateQnodeMsg*)rpcMallocCont(contLen);
+    SMCreateQnodeReq* pReq = (SMCreateQnodeReq*)rpcMallocCont(contLen);
     pReq->dnodeId = htonl(2);
 
     SRpcMsg* pMsg = test.SendMsg(TDMT_MND_CREATE_QNODE, pReq, contLen);
@@ -134,9 +134,9 @@ TEST_F(MndTestQnode, 04_Create_Qnode) {
 
   {
     // drop qnode
-    int32_t contLen = sizeof(SMDropQnodeMsg);
+    int32_t contLen = sizeof(SMDropQnodeReq);
 
-    SMDropQnodeMsg* pReq = (SMDropQnodeMsg*)rpcMallocCont(contLen);
+    SMDropQnodeReq* pReq = (SMDropQnodeReq*)rpcMallocCont(contLen);
     pReq->dnodeId = htonl(2);
 
     SRpcMsg* pMsg = test.SendMsg(TDMT_MND_DROP_QNODE, pReq, contLen);
diff --git a/source/dnode/mnode/impl/test/snode/snode.cpp b/source/dnode/mnode/impl/test/snode/snode.cpp
index 7816de6ab9..4819bc556c 100644
--- a/source/dnode/mnode/impl/test/snode/snode.cpp
+++ b/source/dnode/mnode/impl/test/snode/snode.cpp
@@ -52,9 +52,9 @@ TEST_F(MndTestSnode, 01_Show_Snode) {
 
 TEST_F(MndTestSnode, 02_Create_Snode_Invalid_Id) {
   {
-    int32_t contLen = sizeof(SMCreateSnodeMsg);
+    int32_t contLen = sizeof(SMCreateSnodeReq);
 
-    SMCreateSnodeMsg* pReq = (SMCreateSnodeMsg*)rpcMallocCont(contLen);
+    SMCreateSnodeReq* pReq = (SMCreateSnodeReq*)rpcMallocCont(contLen);
     pReq->dnodeId = htonl(1);
 
     SRpcMsg* pMsg = test.SendMsg(TDMT_MND_CREATE_SNODE, pReq, contLen);
@@ -79,9 +79,9 @@ TEST_F(MndTestSnode, 02_Create_Snode_Invalid_Id) {
 
 TEST_F(MndTestSnode, 03_Create_Snode_Invalid_Id) {
   {
-    int32_t contLen = sizeof(SMCreateSnodeMsg);
+    int32_t contLen = sizeof(SMCreateSnodeReq);
 
-    SMCreateSnodeMsg* pReq = (SMCreateSnodeMsg*)rpcMallocCont(contLen);
+    SMCreateSnodeReq* pReq = (SMCreateSnodeReq*)rpcMallocCont(contLen);
     pReq->dnodeId = htonl(2);
 
     SRpcMsg* pMsg = test.SendMsg(TDMT_MND_CREATE_SNODE, pReq, contLen);
@@ -111,9 +111,9 @@ TEST_F(MndTestSnode, 04_Create_Snode) {
 
   {
     // create snode
-    int32_t contLen = sizeof(SMCreateSnodeMsg);
+    int32_t contLen = sizeof(SMCreateSnodeReq);
 
-    SMCreateSnodeMsg* pReq = (SMCreateSnodeMsg*)rpcMallocCont(contLen);
+    SMCreateSnodeReq* pReq = (SMCreateSnodeReq*)rpcMallocCont(contLen);
     pReq->dnodeId = htonl(2);
 
     SRpcMsg* pMsg = test.SendMsg(TDMT_MND_CREATE_SNODE, pReq, contLen);
@@ -134,9 +134,9 @@ TEST_F(MndTestSnode, 04_Create_Snode) {
 
   {
     // drop snode
-    int32_t contLen = sizeof(SMDropSnodeMsg);
+    int32_t contLen = sizeof(SMDropSnodeReq);
 
-    SMDropSnodeMsg* pReq = (SMDropSnodeMsg*)rpcMallocCont(contLen);
+    SMDropSnodeReq* pReq = (SMDropSnodeReq*)rpcMallocCont(contLen);
     pReq->dnodeId = htonl(2);
 
     SRpcMsg* pMsg = test.SendMsg(TDMT_MND_DROP_SNODE, pReq, contLen);