diff --git a/storage/persisted/codec.gen.go b/storage/persisted/codec.gen.go
index 6247b74..7cafce2 100644
--- a/storage/persisted/codec.gen.go
+++ b/storage/persisted/codec.gen.go
@@ -12,10 +12,10 @@ import (
 	protobuf "google.golang.org/protobuf/proto"
 )
 
-type codec struct {
+type codecProto struct {
 }
 
-func (c codec) Encode(method string, m protobuf.Message) ([]byte, error) {
+func (c *codecProto) Encode(method string, m protobuf.Message) ([]byte, error) {
 	buf, err := protobuf.Marshal(m)
 	if err != nil {
 		return nil, err
@@ -30,7 +30,7 @@ func (c codec) Encode(method string, m protobuf.Message) ([]byte, error) {
 	return buffer.Bytes(), nil
 }
 
-func (c codec) Decode(buf []byte) (protobuf.Message, error) {
+func (c *codecProto) Decode(buf []byte) (protobuf.Message, error) {
 	hexBuf := bytes.Split(buf, []byte(":"))
 	if len(hexBuf) != 2 {
 		return nil, errorx.New("decode aof err: not a valid aof")
diff --git a/storage/temp/aof.template b/storage/temp/aof.template
index 1fe2254..bececc4 100644
--- a/storage/temp/aof.template
+++ b/storage/temp/aof.template
@@ -12,10 +12,10 @@ import (
 	protobuf "google.golang.org/protobuf/proto"
 )
 
-type codec struct {
+type codecProto struct {
 }
 
-func (c codec) Encode(method string, m protobuf.Message) ([]byte, error) {
+func (c *codecProto) Encode(method string, m protobuf.Message) ([]byte, error) {
 	buf, err := protobuf.Marshal(m)
 	if err != nil {
 		return nil, err
@@ -30,7 +30,7 @@ func (c codec) Encode(method string, m protobuf.Message) ([]byte, error) {
 	return buffer.Bytes(), nil
 }
 
-func (c codec) Decode(buf []byte) (protobuf.Message, error) {
+func (c *codecProto) Decode(buf []byte) (protobuf.Message, error) {
 	hexBuf := bytes.Split(buf, []byte(":"))
 	if len(hexBuf) != 2 {
 		return nil, errorx.New("decode aof err: not a valid aof")