diff --git a/ledis/ledis.go b/ledis/ledis.go
index f3c1c8c..30e6ac7 100644
--- a/ledis/ledis.go
+++ b/ledis/ledis.go
@@ -42,6 +42,7 @@ func Open(cfg *config.Config) (*Ledis, error) {
 	l.ldb = ldb
 
 	if cfg.BinLog.MaxFileNum > 0 && cfg.BinLog.MaxFileSize > 0 {
+		println("binlog will be refactored later, use your own risk!!!")
 		l.binlog, err = NewBinLog(cfg)
 		if err != nil {
 			return nil, err