diff --git a/.travis.yml b/.travis.yml
index 156c1dd..c0e6353 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 language: go
 go:
-  - 1.8
-  - 1.9
+  - 1.10.x
+  - 1.11.x
 
 script:
   - make test
diff --git a/ledis/replication.go b/ledis/replication.go
index b09bdb5..2d0c976 100644
--- a/ledis/replication.go
+++ b/ledis/replication.go
@@ -38,7 +38,7 @@ func (l *Ledis) handleReplication() error {
 	for {
 		if err = l.r.NextNeedCommitLog(rl); err != nil {
 			if err != rpl.ErrNoBehindLog {
-				log.Errorf("get next commit log err, %s", err.Error)
+				log.Errorf("get next commit log err, %s", err.Error())
 				return err
 			}