diff --git a/ledis/batch.go b/ledis/batch.go
index c77e91f..61d5cd2 100644
--- a/ledis/batch.go
+++ b/ledis/batch.go
@@ -55,7 +55,7 @@ func (b *batch) Put(key []byte, value []byte) {
 
 func (b *batch) Delete(key []byte) {
 	if b.l.r != nil {
-		b.Delete(key)
+		b.eb.Delete(key)
 	}
 
 	b.WriteBatch.Delete(key)
@@ -121,11 +121,13 @@ func (l *Ledis) handleCommit(eb *eventBatch, c commiter) error {
 
 		if err = c.Commit(); err != nil {
 			log.Fatal("commit error %s", err.Error())
+			l.noticeReplication()
 			return err
 		}
 
 		if err = l.r.UpdateCommitID(rl.ID); err != nil {
 			log.Fatal("update commit id error %s", err.Error())
+			l.noticeReplication()
 			return err
 		}
 
diff --git a/ledis/replication.go b/ledis/replication.go
index 7b4d30c..6741589 100644
--- a/ledis/replication.go
+++ b/ledis/replication.go
@@ -23,6 +23,9 @@ func (l *Ledis) ReplicationUsed() bool {
 }
 
 func (l *Ledis) handleReplication() error {
+	l.wLock.Lock()
+	defer l.wLock.Unlock()
+
 	l.rwg.Add(1)
 	rl := &rpl.Log{}
 	var err error
@@ -73,8 +76,6 @@ func (l *Ledis) onReplication() {
 		select {
 		case <-l.rc:
 			l.handleReplication()
-		case <-time.After(5 * time.Second):
-			l.handleReplication()
 		case <-l.quit:
 			return
 		}
@@ -86,7 +87,8 @@ func (l *Ledis) WaitReplication() error {
 		return ErrRplNotSupport
 
 	}
-	AsyncNotify(l.rc)
+
+	l.noticeReplication()
 
 	l.rwg.Wait()
 
@@ -125,11 +127,15 @@ func (l *Ledis) StoreLogsFromReader(rb io.Reader) error {
 
 	}
 
-	AsyncNotify(l.rc)
+	l.noticeReplication()
 
 	return nil
 }
 
+func (l *Ledis) noticeReplication() {
+	AsyncNotify(l.rc)
+}
+
 func (l *Ledis) StoreLogsFromData(data []byte) error {
 	rb := bytes.NewReader(data)