add more debug info

src/rpc/src/rpcMain.c

@@ -989,6 +989,7 @@ static void rpcSendQuickRsp(SRpcConn *pConn, int32_t code) {
   pHead->sourceId = pConn->ownId;
   pHead->destId = pConn->peerId;
   pHead->linkUid = pConn->linkUid;
+  pHead->ahandle = (uint64_t)pConn->ahandle;
   memcpy(pHead->user, pConn->user, tListLen(pHead->user));
   pHead->code = htonl(code);
 
@@ -1011,6 +1012,7 @@ static void rpcSendReqHead(SRpcConn *pConn) {
   pHead->sourceId = pConn->ownId;
   pHead->destId = pConn->peerId;
   pHead->linkUid = pConn->linkUid;
+  pHead->ahandle = (uint64_t)pConn->ahandle;
   memcpy(pHead->user, pConn->user, tListLen(pHead->user));
   pHead->code = 1;
 

src/vnode/src/vnodeMain.c

@@ -418,7 +418,7 @@ static int vnodeGetWalInfo(void *ahandle, char *name, uint32_t *index) {
 
 static void vnodeNotifyRole(void *ahandle, int8_t role) {
   SVnodeObj *pVnode = ahandle;
-  vPrint("vgId:%d, sync role changed from %d to %d", pVnode->vgId, pVnode->role, role);
+  vPrint("vgId:%d, sync role changed from %s to %s", pVnode->vgId, syncRole[pVnode->role], syncRole[role]);
   pVnode->role = role;
 
   if (pVnode->role == TAOS_SYNC_ROLE_MASTER)