diff --git a/feature_reflect_extension.go b/feature_reflect_extension.go
index 45caf19..b8c9980 100644
--- a/feature_reflect_extension.go
+++ b/feature_reflect_extension.go
@@ -3,10 +3,10 @@ package jsoniter
 import (
 	"fmt"
 	"reflect"
+	"sort"
 	"strings"
 	"unicode"
 	"unsafe"
-	"sort"
 )
 
 var typeDecoders = map[string]ValDecoder{}
diff --git a/feature_reflect_native.go b/feature_reflect_native.go
index 61fc2fd..acc8718 100644
--- a/feature_reflect_native.go
+++ b/feature_reflect_native.go
@@ -438,7 +438,7 @@ func (codec *base64Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
 	}
 	encoding := base64.StdEncoding
 	src := iter.SkipAndReturnBytes()
-	src = src[1: len(src)-1]
+	src = src[1 : len(src)-1]
 	decodedLen := encoding.DecodedLen(len(src))
 	dst := make([]byte, decodedLen)
 	len, err := encoding.Decode(dst, src)
@@ -588,7 +588,7 @@ func (encoder *marshalerEncoder) IsEmpty(ptr unsafe.Pointer) bool {
 
 type textMarshalerEncoder struct {
 	templateInterface emptyInterface
-	checkIsEmpty checkIsEmpty
+	checkIsEmpty      checkIsEmpty
 }
 
 func (encoder *textMarshalerEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {