diff --git a/application/language/simplified-chinese/aauth_lang.php b/application/language/simplified-chinese/aauth_lang.php
new file mode 100644
index 0000000..9dd2aff
--- /dev/null
+++ b/application/language/simplified-chinese/aauth_lang.php
@@ -0,0 +1,63 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ * @author Translated by Terry Lin (
+ * @link https://github.com/terrylinooo)
+ */ 
+ 
+/* E-mail Messages */
+
+// Account verification
+$lang['aauth_email_verification_subject'] = '帐户验证';
+$lang['aauth_email_verification_code'] = '您的验证码：';
+$lang['aauth_email_verification_text'] = "您可以点击（或者复制贴上）以下链接\n\n";
+
+// Password reset
+$lang['aauth_email_reset_subject'] = '重设密码';
+$lang['aauth_email_reset_text'] = "欲重设你的密码请点击（或者复制贴上到浏览器网址列）下方链接:\n\n";
+
+// Password reset success
+$lang['aauth_email_reset_success_subject'] = '密码重设成功';
+$lang['aauth_email_reset_success_new_password'] = '您的密码已寄出成功。您的新密码是：';
+
+
+/* Error Messages */
+
+// Account creation errors
+$lang['aauth_error_email_exists'] = '电邮地址已存在系统中。如果您忘了密码，可以按下方链接。 ';
+$lang['aauth_error_username_exists'] = "此用户名的帐户已存在系统中，请输入不同的用户名。如果是忘了密码，请按下方链接。";
+$lang['aauth_error_email_invalid'] = '无效的电子邮件地址';
+$lang['aauth_error_password_invalid'] = '无效的密码';
+$lang['aauth_error_username_invalid'] = '无效的用户名';
+$lang['aauth_error_username_required'] = '需要用户名';
+$lang['aauth_error_totp_code_required'] = '需要证认码';
+$lang['aauth_error_totp_code_invalid'] = '无效的证认码';
+
+
+// Account update errors
+$lang['aauth_error_update_email_exists'] = '电邮地址已存在系统中。请输入不同的电邮地址。 ';
+$lang['aauth_error_update_username_exists'] = "用户名已存在系统中，请输入不同的用户名。";
+
+
+// Access errors
+$lang['aauth_error_no_access'] = '对不起，您无法存取您需要的资源。 ';
+$lang['aauth_error_login_failed_email'] = '电邮地址和密码不符';
+$lang['aauth_error_login_failed_name'] = '用户名和密码不符';
+$lang['aauth_error_login_failed_all'] = '电邮地址、用户名和或密码不符';
+$lang['aauth_error_login_attempts_exceeded'] = '您已达到登入尝试限制数，您的帐户已被锁住。 ';
+$lang['aauth_error_recaptcha_not_correct'] = '对不起，reCAPTCHA 验证码输入错误。 ';
+
+// Misc. errors
+$lang['aauth_error_no_user'] = '用户不存在';
+$lang['aauth_error_account_not_verified'] = '您的帐户尚未验证，请检查信箱并验证帐户。 ';
+$lang['aauth_error_no_group'] = '群组不存在';
+$lang['aauth_error_no_subgroup'] = '子群组不存在';
+$lang['aauth_error_self_pm'] = '传信息给您自己是不可能的。 ';
+$lang['aauth_error_no_pm'] = '找不到私人信息';
+
+
+/* Info messages */
+$lang['aauth_info_already_member'] = '用户已是群组成员';
+$lang['aauth_info_already_subgroup'] = '子群组已是群组成员';
+$lang['aauth_info_group_exists'] = '群组名称已存在';
+$lang['aauth_info_perm_exists'] = '权限名称已存在';
diff --git a/application/language/traditional-chinese/aauth_lang.php b/application/language/traditional-chinese/aauth_lang.php
new file mode 100644
index 0000000..1d5d6db
--- /dev/null
+++ b/application/language/traditional-chinese/aauth_lang.php
@@ -0,0 +1,63 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ * @author Translated by Terry Lin (
+ * @link https://github.com/terrylinooo)
+ */ 
+ 
+/* E-mail Messages */
+
+// Account verification
+$lang['aauth_email_verification_subject'] = '帳號驗證';
+$lang['aauth_email_verification_code'] = '您的驗證碼：';
+$lang['aauth_email_verification_text'] = "您可以點擊（或者複製貼上）以下連結\n\n";
+
+// Password reset
+$lang['aauth_email_reset_subject'] = '重設密碼';
+$lang['aauth_email_reset_text'] = "欲重設你的密碼請點擊（或者複製貼上到瀏覽器網址列）下方連結:\n\n";
+
+// Password reset success
+$lang['aauth_email_reset_success_subject'] = '密碼重設成功';
+$lang['aauth_email_reset_success_new_password'] = '您的密碼已寄出成功。您的新密碼是：';
+
+
+/* Error Messages */
+
+// Account creation errors
+$lang['aauth_error_email_exists'] = '電郵地址已存在系統中。如果您忘了密碼，可以按下方連結。';
+$lang['aauth_error_username_exists'] = "此用戶名的帳號已存在系統中，請輸入不同的用戶名。如果是忘了密碼，請按下方連結。";
+$lang['aauth_error_email_invalid'] = '無效的電子郵件地址';
+$lang['aauth_error_password_invalid'] = '無效的密碼';
+$lang['aauth_error_username_invalid'] = '無效的用戶名';
+$lang['aauth_error_username_required'] = '需要用戶名';
+$lang['aauth_error_totp_code_required'] = '需要證認碼';
+$lang['aauth_error_totp_code_invalid'] = '無效的證認碼';
+
+
+// Account update errors
+$lang['aauth_error_update_email_exists'] = '電郵地址已存在系統中。請輸入不同的電郵地址。';
+$lang['aauth_error_update_username_exists'] = "用戶名已存在系統中，請輸入不同的用戶名。";
+
+
+// Access errors
+$lang['aauth_error_no_access'] = '對不起，您無法存取您需要的資源。';
+$lang['aauth_error_login_failed_email'] = '電郵地址和密碼不符';
+$lang['aauth_error_login_failed_name'] = '用戶名和密碼不符';
+$lang['aauth_error_login_failed_all'] = '電郵地址、用戶名和或密碼不符';
+$lang['aauth_error_login_attempts_exceeded'] = '您已達到登入嘗試限制數，您的帳號已被鎖住。';
+$lang['aauth_error_recaptcha_not_correct'] = '對不起，reCAPTCHA 驗證碼輸入錯誤。';
+
+// Misc. errors
+$lang['aauth_error_no_user'] = '用戶不存在';
+$lang['aauth_error_account_not_verified'] = '您的帳號尚未驗證，請檢查信箱並驗證帳號。';
+$lang['aauth_error_no_group'] = '群組不存在';
+$lang['aauth_error_no_subgroup'] = '子群組不存在';
+$lang['aauth_error_self_pm'] = '傳訊息給您自己是不可能的。';
+$lang['aauth_error_no_pm'] = '找不到私人訊息';
+
+
+/* Info messages */
+$lang['aauth_info_already_member'] = '用戶已是群組成員';
+$lang['aauth_info_already_subgroup'] = '子群組已是群組成員';
+$lang['aauth_info_group_exists'] = '群組名稱已存在';
+$lang['aauth_info_perm_exists'] = '權限名稱已存在';