diff --git a/source/dnode/mgmt/node_mgmt/src/dmTransport.c b/source/dnode/mgmt/node_mgmt/src/dmTransport.c
index 4e9b7149e42956b88b8881c60901dd761b271eb9..7f9a261cf27083c922dca5af9b66f206e2a2d0f6 100644
--- a/source/dnode/mgmt/node_mgmt/src/dmTransport.c
+++ b/source/dnode/mgmt/node_mgmt/src/dmTransport.c
@@ -291,7 +291,7 @@ int32_t dmInitClient(SDnode *pDnode) {
   rpcInit.connLimitNum = connLimitNum;
   rpcInit.connLimitLock = 1;
   rpcInit.supportBatch = 1;
-  rpcInit.batchSize = 64 * 1024;
+  rpcInit.batchSize = 16 * 1024;
 
   pTrans->clientRpc = rpcOpen(&rpcInit);
   if (pTrans->clientRpc == NULL) {