diff --git a/modules/config/config.go b/modules/config/config.go
index edbd89a..d34c159 100644
--- a/modules/config/config.go
+++ b/modules/config/config.go
@@ -38,7 +38,12 @@ type rabbitmq struct {
 }
 
 type settings struct {
-	ExpiredTime    int
+	ExpiredTime       int
+	DefaultLanguageId int
+	Lengths           settingsLengths `toml:"lengths"`
+}
+
+type settingsLengths struct {
 	UsernameMinLen int
 	UsernameMaxLen int
 	EmailMinLen    int