diff --git a/lib/data/services/network/api.dart b/lib/data/services/network/api.dart
index 9920fdf89..57293e843 100644
--- a/lib/data/services/network/api.dart
+++ b/lib/data/services/network/api.dart
@@ -1,7 +1,65 @@
 import 'dio_manager.dart';
 import 'nw_method.dart';
+import 'package:get/get.dart';
 
 class Api {
+  static String _normalizeTemplateLanguageTag(String value) {
+    final normalized = value.trim().replaceAll('_', '-');
+    if (normalized.isEmpty) {
+      return 'en-US';
+    }
+    final parts = normalized.split('-').where((e) => e.isNotEmpty).toList();
+    if (parts.isEmpty) {
+      return 'en-US';
+    }
+    if (parts.length == 1) {
+      return parts.first.toLowerCase();
+    }
+    return '${parts[0].toLowerCase()}-${parts[1].toUpperCase()}';
+  }
+
+  static String _currentTemplateLanguageParam() {
+    final locale = Get.locale ?? Get.deviceLocale;
+    final languageCode = locale?.languageCode.toLowerCase();
+    if (languageCode == null || languageCode.isEmpty) {
+      return 'en-US';
+    }
+
+    final countryCode = locale?.countryCode?.toUpperCase();
+    if (countryCode != null && countryCode.isNotEmpty) {
+      return '$languageCode-$countryCode';
+    }
+
+    switch (languageCode) {
+      case 'zh':
+        return 'zh-CN';
+      case 'en':
+        return 'en-US';
+      case 'ja':
+        return 'ja-JP';
+      case 'ko':
+        return 'ko-KR';
+      case 'fr':
+        return 'fr-FR';
+      case 'de':
+        return 'de-DE';
+      case 'es':
+        return 'es-ES';
+      case 'it':
+        return 'it-IT';
+      case 'pt':
+        return 'pt-BR';
+      case 'ru':
+        return 'ru-RU';
+      case 'ar':
+        return 'ar-SA';
+      case 'hi':
+        return 'hi-IN';
+      default:
+        return 'en-US';
+    }
+  }
+
   // 登录
   static login([params]) {
     return DioManager().request(
@@ -209,11 +267,18 @@ class Api {
   }
 
   //获取模版数据
-  static getEchomeetTemplates([params]) {
+  static getEchomeetTemplates([dynamic params, String? language]) {
+    final resolvedLanguage = _normalizeTemplateLanguageTag(
+        language ?? _currentTemplateLanguageParam());
+    final Map<String, dynamic> data = {};
+    if (params is Map) {
+      data.addAll(Map<String, dynamic>.from(params));
+    }
+    data['language'] = resolvedLanguage;
     return DioManager().request(
       NWMethod.post,
       '/api/home/echomeet_gettemplates',
-      params: params,
+      params: data,
     );
   }