diff --git a/protocol/json/client.go b/protocol/json/client.go
index e5fe5de..0a0adea 100644
--- a/protocol/json/client.go
+++ b/protocol/json/client.go
@@ -110,28 +110,28 @@ func newClientCodecResponseOrNotify(r io.Reader, encoder encode.Encoder) (protoc
 
 	ccrn := retainClientCodecResponseOrNotify()
 
-	// if notify, err := newClientCodecNotify(raw); nil != err {
-	// 	res, err := newClientCodecResponse(raw)
-	// 	if nil != err {
-	// 		releaseClientCodecResponseOrNotify(ccrn)
-	// 		return nil, fmt.Errorf("Is not response or notification [%v]", raw)
-	// 	}
-	// 	ccrn.response = res
-	// } else {
-	// 	ccrn.notify = notify
-	// }
-
-	if res, err := newClientCodecResponse(raw); nil != err {
-		notify, err := newClientCodecNotify(raw)
+	if notify, err := newClientCodecNotify(raw); nil != err {
+		res, err := newClientCodecResponse(raw)
 		if nil != err {
 			releaseClientCodecResponseOrNotify(ccrn)
 			return nil, fmt.Errorf("Is not response or notification [%v]", raw)
 		}
-		ccrn.notify = notify
-	} else {
 		ccrn.response = res
+	} else {
+		ccrn.notify = notify
 	}
 
+	// if res, err := newClientCodecResponse(raw); nil != err {
+	// 	notify, err := newClientCodecNotify(raw)
+	// 	if nil != err {
+	// 		releaseClientCodecResponseOrNotify(ccrn)
+	// 		return nil, fmt.Errorf("Is not response or notification [%v]", raw)
+	// 	}
+	// 	ccrn.notify = notify
+	// } else {
+	// 	ccrn.response = res
+	// }
+
 	return ccrn, nil
 }