diff --git a/app/locales/index.ts b/app/locales/index.ts
index 5c41eeb77..a8806d48a 100644
--- a/app/locales/index.ts
+++ b/app/locales/index.ts
@@ -3,10 +3,11 @@ import EN from "./en";
 import TW from "./tw";
 import ES from "./es";
 import IT from "./it";
+import JP from "./jp";
 
 export type { LocaleType } from "./cn";
 
-export const AllLangs = ["en", "cn", "tw", "es", "it"] as const;
+export const AllLangs = ["en", "cn", "tw", "es", "it", "jp"] as const;
 type Lang = (typeof AllLangs)[number];
 
 const LANG_KEY = "lang";
@@ -50,6 +51,8 @@ export function getLang(): Lang {
     return "es";
   } else if (lang.includes("it")) {
     return "it";
+  } else if (lang.includes("jp")) {
+    return "jp";
   } else {
     return "en";
   }
@@ -60,4 +63,4 @@ export function changeLang(lang: Lang) {
   location.reload();
 }
 
-export default { en: EN, cn: CN, tw: TW, es: ES, it: IT }[getLang()];
+export default { en: EN, cn: CN, tw: TW, es: ES, jp: JP, it: IT }[getLang()];