diff --git a/pkg/util/seclib2/tls.go b/pkg/util/seclib2/tls.go
index e7567baf6f..ba2e92a9ad 100644
--- a/pkg/util/seclib2/tls.go
+++ b/pkg/util/seclib2/tls.go
@@ -1,10 +1,10 @@
 package seclib2
 
 import (
-	"io/ioutil"
+	"bytes"
 	"crypto/tls"
 	"crypto/x509"
-	"bytes"
+	"io/ioutil"
 
 	"yunion.io/x/log"
 )