diff --git a/gateway/codec/codce.go b/gateway/codec/codce.go
new file mode 100644
index 0000000..f4c535d
--- /dev/null
+++ b/gateway/codec/codce.go
@@ -0,0 +1,60 @@
+package codec
+
+import (
+	"google.golang.org/grpc/encoding"
+	"google.golang.org/protobuf/proto"
+)
+
+// protoCodec 用于 gateway 解析全部的 grpc 类型的消息
+type protoCodec struct{}
+
+func (protoCodec) Name() string {
+	return "wheat-cache-proto"
+}
+
+func (protoCodec) Marshal(v interface{}) ([]byte, error) {
+	return proto.Marshal(v.(proto.Message))
+}
+
+func (protoCodec) Unmarshal(data []byte, v interface{}) error {
+	return proto.Unmarshal(data, v.(proto.Message))
+}
+
+type frame struct {
+	payload []byte
+}
+
+type proxyCodec struct {
+	baseCodec encoding.Codec
+}
+
+func (p *proxyCodec) Name() string {
+	return "wheat-cache-proxy"
+}
+
+func (p *proxyCodec) Marshal(v interface{}) ([]byte, error) {
+	out, ok := v.(*frame)
+	if !ok {
+		return p.Marshal(v)
+	}
+	return out.payload, nil
+}
+
+func (p *proxyCodec) Unmarshal(data []byte, v interface{}) error {
+	dst, ok := v.(*frame)
+	if !ok {
+		return p.Unmarshal(data, v)
+	}
+
+	dst.payload = data
+	return nil
+}
+
+// CodeWithParent 生成基于 proto 的解码器
+func CodeWithParent(parent encoding.Codec) encoding.Codec {
+	return &proxyCodec{parent}
+}
+
+func Codec() encoding.Codec {
+	return CodeWithParent(protoCodec{})
+}