diff --git a/src/server/cluster/cluster_func.go b/src/server/cluster/cluster_func.go
index 8be63217..c99b9be2 100644
--- a/src/server/cluster/cluster_func.go
+++ b/src/server/cluster/cluster_func.go
@@ -93,7 +93,7 @@ func connectRemote(RemoteAddr string, ConnType int, ConnLabel string) error {
 	client.ConnNum = 1
 	client.PendingWriteNum = 1 << 14
 	client.LenMsgLen = 4
-	client.MaxMsgLen = 4096
+	client.MaxMsgLen = 1 << 16
 	client.NewAgent = newAgent
 	client.ConnType = ConnType
 	client.ConnLabel = ConnLabel