feat: add type to fs read api

pkg/utils/json.go

@@ -1,15 +1,16 @@
 package utils
 
 import (
+	"io/ioutil"
+
 	json "github.com/json-iterator/go"
 	log "github.com/sirupsen/logrus"
-	"io/ioutil"
 )
 
 var Json = json.ConfigCompatibleWithStandardLibrary
 
-// WriteToJson write struct to json file
-func WriteToJson(src string, conf interface{}) bool {
+// WriteJsonToFile write struct to json file
+func WriteJsonToFile(src string, conf interface{}) bool {
 	data, err := Json.MarshalIndent(conf, "", "  ")
 	if err != nil {
 		log.Errorf("failed convert Conf to []byte:%s", err.Error())