多语言后端数据

lib/language/AppLanguage.dart

@@ -3,6 +3,7 @@ import 'dart:ui';
 
 import 'package:ef/ef.dart';
 import 'package:flutter/services.dart';
+import 'package:vbvs_app/enum/APPPackageType.dart';
 
 class AppLanguage extends Translations {
   // 私有构造函数
@@ -49,14 +50,14 @@ class AppLanguage extends Translations {
   // }
 
   Future<void> loadLanguage(String languageCode,
-      {String project = 'th'}) async {
+      {int project = 1}) async {
     try {
       final jsonString;
       // 加载 JSON 文件
-      if (project == 'th') {
+      if (project ==APPPackageType.TH.code ) {
         jsonString =
             await rootBundle.loadString('assets/langs/$languageCode.json');
-      } else if (project == 'mht') {
+      } else if (project == APPPackageType.MHT.code) {
         jsonString =
             await rootBundle.loadString('assets/mhlangs/$languageCode.json');
       } else {