修复登录页异常，翻译切换语言不翻译问题

lib/modules/login/controllers/login_controller.dart

@@ -194,8 +194,8 @@ class LoginController extends GetxController {
   List<String> get verificationCode => _verificationCode;
 
   // 文本控制器
-  final contactController = TextEditingController();
-  final verificationCodeController = TextEditingController();
+  TextEditingController contactController = TextEditingController();
+  TextEditingController verificationCodeController = TextEditingController();
 
   @override
   void onInit() {

lib/modules/translation/controllers/translation_controller.dart

@@ -882,7 +882,12 @@ class TranslationController extends GetxController {
       await _asrService.initialize(
         supportedLanguages: asrSupportedLanguages,
       );
-
+      // 获取识别事件流 - 这启动了异步识别过程
+      var recognitionStream = await _asrService.recognizeCallback();
+      // 监听识别结果
+      _recognitionSubscription?.cancel();
+      _recognitionSubscription =
+          recognitionStream.listen(_handleRecognitionEvent);
       Logger.info('ASR服务重新初始化成功');
     } catch (e) {
       Logger.error('重新初始化ASR服务失败: ${e.toString()}');