fix: 修改样式

lib/app/utils/kr_common_util.dart

@@ -22,7 +22,6 @@ class KRCommonUtil {
 
     _kr_isOpeningCustomerService = true;
     try {
-      kr_showToast('userInfo.openingCustomerService'.tr);
       await Get.toNamed(Routes.KR_CHATWOOT);
     } catch (e) {
       debugPrint('打开客服失败: $e');

lib/app/utils/kr_secure_storage.dart

@@ -17,6 +17,9 @@ class KRSecureStorage {
   // 存储箱名称
   static const String _boxName = 'kaer_secure_storage';
 
+  // 邮箱历史记录的键
+  static const String EMAIL_HISTORY_KEY = 'email_history';
+
   // 加密密钥
   static const String _encryptionKey = 'kaer_secure_storage_key';