diff --git a/src/dnode/src/dnodeMgmt.c b/src/dnode/src/dnodeMgmt.c
index 338fcd287cefe8813e29ff8da7f40a60cf59fad5..a6c98ddfbd7f1bc2f5003fbc2dec9c69ae121ce2 100644
--- a/src/dnode/src/dnodeMgmt.c
+++ b/src/dnode/src/dnodeMgmt.c
@@ -416,7 +416,7 @@ static void* dnodeParseVnodeMsg(SRpcMsg *rpcMsg) {
 static int32_t dnodeProcessCreateVnodeMsg(SRpcMsg *rpcMsg) {
   SMDCreateVnodeMsg *pCreate = dnodeParseVnodeMsg(rpcMsg);
 
-  void *pVnode = vnodeAcquireVnode(pCreate->cfg.vgId);
+  void *pVnode = vnodeAcquire(pCreate->cfg.vgId);
   if (pVnode != NULL) {
     dDebug("vgId:%d, already exist, return success", pCreate->cfg.vgId);
     vnodeRelease(pVnode);
@@ -430,7 +430,7 @@ static int32_t dnodeProcessCreateVnodeMsg(SRpcMsg *rpcMsg) {
 static int32_t dnodeProcessAlterVnodeMsg(SRpcMsg *rpcMsg) {
   SMDAlterVnodeMsg *pAlter = dnodeParseVnodeMsg(rpcMsg);
 
-  void *pVnode = vnodeAcquireVnode(pAlter->cfg.vgId);
+  void *pVnode = vnodeAcquire(pAlter->cfg.vgId);
   if (pVnode != NULL) {
     dDebug("vgId:%d, alter vnode msg is received", pAlter->cfg.vgId);
     int32_t code = vnodeAlter(pVnode, pAlter);
diff --git a/src/inc/vnode.h b/src/inc/vnode.h
index 845cfb250a090459a8003ad47de42d64f886d4fa..1e134a696e7b829d4e0f75eb265b835a62b82eed 100644
--- a/src/inc/vnode.h
+++ b/src/inc/vnode.h
@@ -48,11 +48,10 @@ int32_t vnodeStartStream(int32_t vgId);
 int32_t vnodeAlter(void *pVnode, SMDCreateVnodeMsg *pVnodeCfg);
 int32_t vnodeClose(int32_t vgId);
 
-void*   vnodeAcquireVnode(int32_t vgId); // add refcount
-void    vnodeRelease(void *pVnode);
-
-void*   vnodeAcquireRqueue(int32_t vgId);
-void*   vnodeAcquireWqueue(int32_t vgId);
+void*   vnodeAcquire(int32_t vgId);        // add refcount
+void*   vnodeAcquireRqueue(int32_t vgId);  // add refCount, get read queue 
+void*   vnodeAcquireWqueue(int32_t vgId);  // add recCount, get write queue
+void    vnodeRelease(void *pVnode);        // dec refCount
 void*   vnodeGetWal(void *pVnode);
 
 int32_t vnodeProcessWrite(void *pVnode, int qtype, void *pHead, void *item);
diff --git a/src/vnode/src/vnodeMain.c b/src/vnode/src/vnodeMain.c
index 3bf0ca9f5524f56b82285d987a6015ca5b94c01d..3bef21f074bb9db16a23da02d6c2951ca845f587 100644
--- a/src/vnode/src/vnodeMain.c
+++ b/src/vnode/src/vnodeMain.c
@@ -314,7 +314,7 @@ int32_t vnodeOpen(int32_t vnode, char *rootDir) {
 }
 
 int32_t vnodeStartStream(int32_t vnode) {
-  SVnodeObj* pVnode = vnodeAcquireVnode(vnode);
+  SVnodeObj* pVnode = vnodeAcquire(vnode);
   if (pVnode != NULL) {
     tsdbStartStream(pVnode->tsdb);
     vnodeRelease(pVnode);
@@ -387,7 +387,7 @@ void vnodeRelease(void *pVnodeRaw) {
   vDebug("vgId:%d, vnode is released, vnodes:%d", vgId, count);
 }
 
-void *vnodeAcquireVnode(int32_t vgId) {
+void *vnodeAcquire(int32_t vgId) {
   SVnodeObj **ppVnode = (SVnodeObj **)taosHashGet(tsDnodeVnodesHash, (const char *)&vgId, sizeof(int32_t));
   if (ppVnode == NULL || *ppVnode == NULL) {
     terrno = TSDB_CODE_VND_INVALID_VGROUP_ID;
@@ -403,7 +403,7 @@ void *vnodeAcquireVnode(int32_t vgId) {
 }
 
 void *vnodeAcquireRqueue(int32_t vgId) {
-  SVnodeObj *pVnode = vnodeAcquireVnode(vgId);
+  SVnodeObj *pVnode = vnodeAcquire(vgId);
   if (pVnode == NULL) return NULL;
 
   if (pVnode->status == TAOS_VN_STATUS_RESET) {           
@@ -417,7 +417,7 @@ void *vnodeAcquireRqueue(int32_t vgId) {
 }
 
 void *vnodeAcquireWqueue(int32_t vgId) {
-  SVnodeObj *pVnode = vnodeAcquireVnode(vgId);
+  SVnodeObj *pVnode = vnodeAcquire(vgId);
   if (pVnode == NULL) return NULL;
 
   if (pVnode->status == TAOS_VN_STATUS_RESET) {           
@@ -498,7 +498,7 @@ void vnodeBuildStatusMsg(void *param) {
 void vnodeSetAccess(SDMVgroupAccess *pAccess, int32_t numOfVnodes) {
   for (int32_t i = 0; i < numOfVnodes; ++i) {
     pAccess[i].vgId = htonl(pAccess[i].vgId);
-    SVnodeObj *pVnode = vnodeAcquireVnode(pAccess[i].vgId);
+    SVnodeObj *pVnode = vnodeAcquire(pAccess[i].vgId);
     if (pVnode != NULL) {
       pVnode->accessState = pAccess[i].accessState;
       if (pVnode->accessState != TSDB_VN_ALL_ACCCESS) {