diff --git a/transport/http/codec.go b/transport/http/codec.go
index 869e7b1..dac6808 100644
--- a/transport/http/codec.go
+++ b/transport/http/codec.go
@@ -38,6 +38,7 @@ func DefaultRequestQuery(r *http.Request, v any) error {
 }
 func DefaultRequestDecoder(r *http.Request, v any) error {
 	codec, ok := CodeForRequest(r, "Content-type")
+	fmt.Println(codec, ok)
 	if !ok {
 		return errors.BadRequest("CODEC", fmt.Sprintf("unregister Content-Type: %s", codec))
 	}
@@ -86,6 +87,7 @@ func DefaultErrorEncoder(w http.ResponseWriter, r *http.Request, err error) {
 }
 func CodeForRequest(r *http.Request, name string) (encoding.Codec, bool) {
 	for _, accept := range r.Header[name] {
+		fmt.Println(accept)
 		codec := encoding.GetCodec(httputil.ContentSubtype(accept))
 		if codec != nil {
 			return codec, true