From 44dff73b244b45c16cd42ab3e19c0282f48bf276 Mon Sep 17 00:00:00 2001
From: Xeltica <xeltica@gmail.com>
Date: Thu, 23 Jun 2022 00:14:06 +0900
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---
 src/frontend/init.tsx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/frontend/init.tsx b/src/frontend/init.tsx
index e9c3337..6041ad0 100644
--- a/src/frontend/init.tsx
+++ b/src/frontend/init.tsx
@@ -5,7 +5,7 @@ import dayjs from 'dayjs';
 import i18n from 'i18next';
 import { initReactI18next } from 'react-i18next';
 
-import { getBrowserLanguage, resources } from './langs';
+import { getBrowserLanguage, languageName, resources } from './langs';
 import { App } from './App';
 import { LOCALSTORAGE_KEY_LANG } from './const';
 
@@ -17,7 +17,7 @@ dayjs.extend(relativeTime);
 
 let lng = localStorage[LOCALSTORAGE_KEY_LANG];
 
-if (!lng) {
+if (!lng || !Object.keys(languageName).includes(lng)) {
 	lng = localStorage[LOCALSTORAGE_KEY_LANG] = getBrowserLanguage();
 }