From 8ecc609c33020b1f4f4e08083de913173c599dd3 Mon Sep 17 00:00:00 2001
From: WooLNinesun <WooLNinesun@gmail.com>
Date: Wed, 6 Sep 2017 11:34:07 +0800
Subject: [PATCH] option.lang.toLowerCase() return to self

---
 src/option.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/option.js b/src/option.js
index 9040353..98a67f9 100644
--- a/src/option.js
+++ b/src/option.js
@@ -40,7 +40,7 @@ module.exports = (option) => {
     }
 
     if (option.lang) {
-        option.lang.toLowerCase();
+        option.lang = option.lang.toLowerCase();
     }
 
     option.contextmenu = option.contextmenu.concat([{