Add zh_CN

lib/globals.dart

@@ -317,7 +317,7 @@ enum Lang {
       case Lang.english:
         return const Locale("en");
       case Lang.simplifiedChinese:
-        return const Locale("zh");
+        return const Locale("zh", "CN");
       default:
         return PlatformDispatcher.instance.locale;
     }

lib/l10n/app_zh_CN.arb

@@ -0,0 +1,3 @@
+{
+    "@@locale": "zh_CN"
+}

lib/main.dart

@@ -1,4 +1,3 @@
-import 'package:chinese_font_library/chinese_font_library.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
@@ -336,8 +335,8 @@ class MainApp extends StatefulWidget {
 
 class _MainApp extends State<MainApp> with WidgetsBindingObserver {
   ThemeMode _themeMode = ThemeMode.system;
-  ThemeData _themeData = ThemeData(useMaterial3: true);
-  ThemeData _darkThemeData = ThemeData.dark(useMaterial3: true);
+  final ThemeData _themeData = ThemeData(useMaterial3: true);
+  final ThemeData _darkThemeData = ThemeData.dark(useMaterial3: true);
   ThemeMode get themeMode => _themeMode;
   Lang _lang = Lang.system;
   Lang get lang => _lang;
@@ -357,10 +356,6 @@ class _MainApp extends State<MainApp> with WidgetsBindingObserver {
     } catch (e) {
       _log.warning("Failed to read lang from prefs:", e);
     }
-    if (isWindows) {
-      _themeData = _themeData.useSystemChineseFont(Brightness.light);
-      _darkThemeData = _darkThemeData.useSystemChineseFont(Brightness.dark);
-    }
     WidgetsBinding.instance.addObserver(this);
     if (WidgetsBinding.instance.lifecycleState != null) {
       _lifecycleState = WidgetsBinding.instance.lifecycleState;

pubspec.lock

@@ -129,14 +129,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.0.3"
-  chinese_font_library:
-    dependency: "direct main"
-    description:
-      name: chinese_font_library
-      sha256: f6c18eb58c1514a95e4ed9a7e2f6702be1333b67e4226976b333e5918021c1df
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.2.0"
   clock:
     dependency: transitive
     description:

pubspec.yaml

@@ -7,7 +7,6 @@ environment:
   sdk: '>=3.0.5 <4.0.0'
 
 dependencies:
-  chinese_font_library: ^1.0.2
   cryptography: ^2.5.0
   cryptography_flutter: ^2.3.0
   dio: ^5.3.2