From 7c6e634b54c940ca6918b6c7d8b5009a0466a941 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Acid=20Chicken=20=28=E7=A1=AB=E9=85=B8=E9=B6=8F=29?=
 <root@acid-chicken.com>
Date: Sat, 25 Aug 2018 17:06:40 +0900
Subject: [PATCH] Update boot.js

---
 src/client/app/boot.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/client/app/boot.js b/src/client/app/boot.js
index 86d48faf1..2ee771868 100644
--- a/src/client/app/boot.js
+++ b/src/client/app/boot.js
@@ -51,9 +51,10 @@
 		}
 	}
 
-	if (settings) {
-		if (settings.device.lang) lang = settings.device.lang;
-	}
+	if (settings &&
+			settings.device.lang &&
+			LANGS.includes(settings.device.lang))
+		lang = settings.device.lang;
 	//#endregion
 
 	// Detect the user agent