diff --git a/app/cmd/main.go b/app/cmd/main.go
index 57ae5ef..eb18a4b 100644
--- a/app/cmd/main.go
+++ b/app/cmd/main.go
@@ -30,7 +30,7 @@ var address string
 var intReg = regexp.MustCompile(`^\d`)
 
 func init() {
-	flag.StringVar(&confPath, "c", "config.yaml", "config file")
+	flag.StringVar(&confPath, "c", "config.yaml", "config file support json,yaml or url")
 	flag.StringVar(&address, "p", "", "listen address and port")
 	flag.Parse()
 	if address == "" && os.Getenv("PORT") == "" {
diff --git a/app/pkg/config/config.go b/app/pkg/config/config.go
index 7979d9a..c4fd23d 100644
--- a/app/pkg/config/config.go
+++ b/app/pkg/config/config.go
@@ -113,12 +113,11 @@ func InitConfig(conf string) error {
 		err = json.Unmarshal(file, &c)
 	default:
 		err = yaml.Unmarshal(file, &c)
-		if err != nil {
-			err = json.Unmarshal(file, &c)
-			if err == nil {
-				break
-			}
-		} else {
+		if err == nil {
+			break
+		}
+		err = json.Unmarshal(file, &c)
+		if err == nil {
 			break
 		}
 		return errors.New("invalid suffix config file")