diff --git a/include/util/tlog.h b/include/util/tlog.h
index 5c91398cdc..a367243a46 100644
--- a/include/util/tlog.h
+++ b/include/util/tlog.h
@@ -37,7 +37,6 @@ extern int32_t mqttDebugFlag;
 extern int32_t monDebugFlag;
 extern int32_t uDebugFlag;
 extern int32_t rpcDebugFlag;
-extern int32_t odbcDebugFlag;
 extern int32_t qDebugFlag;
 extern int32_t wDebugFlag;
 extern int32_t sDebugFlag;
diff --git a/source/dnode/mnode/impl/inc/mndDef.h b/source/dnode/mnode/impl/inc/mndDef.h
index 338024c20a..e09ba19164 100644
--- a/source/dnode/mnode/impl/inc/mndDef.h
+++ b/source/dnode/mnode/impl/inc/mndDef.h
@@ -117,7 +117,7 @@ typedef struct {
   int64_t    rebootTime;
   int64_t    lastAccessTime;
   int32_t    accessTimes;
-  int16_t    numOfVnodes;
+  int32_t    numOfVnodes;
   int32_t    numOfSupportVnodes;
   int32_t    numOfCores;
   EDndReason offlineReason;
diff --git a/source/dnode/mnode/impl/src/mndDnode.c b/source/dnode/mnode/impl/src/mndDnode.c
index ca20ba61a1..1c7f8544e9 100644
--- a/source/dnode/mnode/impl/src/mndDnode.c
+++ b/source/dnode/mnode/impl/src/mndDnode.c
@@ -196,6 +196,8 @@ static SDnodeObj *mndAcquireDnodeByEp(SMnode *pMnode, char *pEpStr) {
       sdbCancelFetch(pSdb, pIter);
       return pDnode;
     }
+
+    sdbRelease(pSdb, pDnode);
   }
 
   return NULL;
@@ -419,10 +421,9 @@ static int32_t mndCreateDnode(SMnode *pMnode, SMnodeMsg *pMsg, SCreateDnodeMsg *
 static int32_t mndProcessCreateDnodeMsg(SMnodeMsg *pMsg) {
   SMnode          *pMnode = pMsg->pMnode;
   SCreateDnodeMsg *pCreate = pMsg->rpcMsg.pCont;
-
+  pCreate->port = htonl(pCreate->port);
   mDebug("dnode:%s:%d, start to create", pCreate->fqdn, pCreate->port);
 
-  pCreate->port = htonl(pCreate->port);
   if (pCreate->fqdn[0] == 0 || pCreate->port <= 0 || pCreate->port > UINT16_MAX) {
     terrno = TSDB_CODE_MND_INVALID_DNODE_EP;
     mError("dnode:%s:%d, failed to create since %s", pCreate->fqdn, pCreate->port, terrstr());
diff --git a/source/dnode/mnode/impl/src/mndMnode.c b/source/dnode/mnode/impl/src/mndMnode.c
index b76d72d79c..ad3d5e1cf6 100644
--- a/source/dnode/mnode/impl/src/mndMnode.c
+++ b/source/dnode/mnode/impl/src/mndMnode.c
@@ -219,6 +219,7 @@ void mndGetMnodeEpSet(SMnode *pMnode, SEpSet *pEpSet) {
     }
 
     pEpSet->numOfEps++;
+    sdbRelease(pSdb, pObj);
   }
 }
 
diff --git a/source/dnode/mnode/impl/src/mndTrans.c b/source/dnode/mnode/impl/src/mndTrans.c
index 9263fca695..194ee55da9 100644
--- a/source/dnode/mnode/impl/src/mndTrans.c
+++ b/source/dnode/mnode/impl/src/mndTrans.c
@@ -437,7 +437,7 @@ int32_t mndTransAppendUndoAction(STrans *pTrans, STransAction *pAction) {
 static int32_t mndTransSync(SMnode *pMnode, STrans *pTrans) {
   SSdbRaw *pRaw = mndTransActionEncode(pTrans);
   if (pRaw == NULL) {
-    mError("trans:%d, failed to decode trans since %s", pTrans->id, terrstr());
+    mError("trans:%d, failed to encode while sync trans since %s", pTrans->id, terrstr());
     return -1;
   }
   sdbSetRawStatus(pRaw, SDB_STATUS_READY);
@@ -835,7 +835,7 @@ static bool mndTransPerfromFinishedStage(SMnode *pMnode, STrans *pTrans) {
 
   SSdbRaw *pRaw = mndTransActionEncode(pTrans);
   if (pRaw == NULL) {
-    mError("trans:%d, failed to decode trans since %s", pTrans->id, terrstr());
+    mError("trans:%d, failed to encode while finish trans since %s", pTrans->id, terrstr());
   }
   sdbSetRawStatus(pRaw, SDB_STATUS_DROPPED);