add userConfigOptions>i18n>langCode

.config/ags/i18n/i18n.js

@@ -1,5 +1,6 @@
 const Gio = imports.gi.Gio;
 const GLib = imports.gi.GLib;
+import configOptions from "../modules/.configuration/user_options.js";
 
 function getLanguageCode() {
     let langEnv = GLib.getenv('LANG') || GLib.getenv('LANGUAGE') || 'C.UTF-8'; // Assume the default value contains a dot
@@ -8,7 +9,7 @@ function getLanguageCode() {
 }
 
 const translations = {};
-let currentLanguage = getLanguageCode();
+let currentLanguage = configOptions.i18n.langCode || getLanguageCode();
 
 // Load language file
 async function loadLanguage(lang) {

.config/ags/modules/.configuration/user_options.js

@@ -69,6 +69,9 @@ let configOptions = {
             'color': 'rgba(113,227,32,0.9)',
         },
     },
+    'i18n': {
+        'langCode': "",//Customize the locale, such as zh_CN
+    },
     'monitors': {
         'scaleMethod': "division", // Either "division" [default] or "gdk"
     },