fix: duplicate response while set standby in vnode

source/dnode/mgmt/mgmt_vnode/src/vmWorker.c

@@ -107,13 +107,7 @@ static void vmProcessSyncQueue(SQueueInfo *pInfo, STaosQall *qall, int32_t numOf
     const STraceId *trace = &pMsg->info.traceId;
     dGTrace("vgId:%d, msg:%p get from vnode-sync queue", pVnode->vgId, pMsg);
 
-    int32_t code = vnodeProcessSyncReq(pVnode->pImpl, pMsg, NULL);
-    if (code != 0) {
-      if (terrno != 0) code = terrno;
-      dGError("vgId:%d, msg:%p failed to sync since %s", pVnode->vgId, pMsg, terrstr());
-      vmSendRsp(pMsg, code);
-    }
-
+    int32_t code = vnodeProcessSyncReq(pVnode->pImpl, pMsg, NULL); // no response here
     dGTrace("vgId:%d, msg:%p is freed, code:0x%x", pVnode->vgId, pMsg, code);
     rpcFreeCont(pMsg->pCont);
     taosFreeQitem(pMsg);

source/dnode/vnode/src/vnd/vnodeSync.c

@@ -73,7 +73,7 @@ static int32_t vnodeSetStandBy(SVnode *pVnode) {
     vInfo("vgId:%d, set standby success", TD_VID(pVnode));
     return 0;
   } else {
-    vError("vgId:%d, failed to set standby since %s", TD_VID(pVnode), terrstr());
+    vError("vgId:%d, failed to set standby after leader transfer since %s", TD_VID(pVnode), terrstr());
     return -1;
   }
 }