diff --git a/structure/type.go b/structure/type.go
index 6d255214e1..5e8c87cd13 100644
--- a/structure/type.go
+++ b/structure/type.go
@@ -17,8 +17,8 @@ import (
 	"bytes"
 
 	"github.com/juju/errors"
-	"github.com/pingcap/tidb/util/codec"
 	"github.com/pingcap/tidb/kv"
+	"github.com/pingcap/tidb/util/codec"
 )
 
 // TypeFlag is for data structure meta/data flag.