diff --git a/app/Services/AdminUsersService.php b/app/Services/AdminUsersService.php
index 71e6b1c..7ffe5a0 100644
--- a/app/Services/AdminUsersService.php
+++ b/app/Services/AdminUsersService.php
@@ -96,6 +96,9 @@ final class AdminUsersService
                 throw new Exception(__('service.admin_user.name_exists'));
             }
             $model = AdminUsers::findOrFail($id);
+            if ($model['username'] == 'Admin' || $id == 1) {
+                throw new Exception(__('service.admin_user.not_edit'));
+            }
             $oldValue = $model->toArray();
             $update = [
                 'username'   => $data['username'],
diff --git a/resources/lang/en/service.php b/resources/lang/en/service.php
index 43aba9a..bcb3bfd 100644
--- a/resources/lang/en/service.php
+++ b/resources/lang/en/service.php
@@ -7,7 +7,8 @@ return [
     ],
     'admin_user'          => [
         'name_exists' => 'The user account already exists',
-        'not_del'     => 'Super management account cannot be deleted'
+        'not_del'     => 'Super management account cannot be deleted',
+        'not_edit'    => 'Super management account cannot be edited'
     ],
     'admin_translation'   => [
         'data_exists' => 'Translation configuration already exists'
diff --git a/resources/lang/zh-CN/service.php b/resources/lang/zh-CN/service.php
index acbe593..dfc52a3 100644
--- a/resources/lang/zh-CN/service.php
+++ b/resources/lang/zh-CN/service.php
@@ -7,7 +7,8 @@ return [
     ],
     'admin_user'          => [
         'name_exists' => '用户账号已存在',
-        'not_del'     => '超管账号不可删除'
+        'not_del'     => '超管账号不可删除',
+        'not_edit'    => '超管账号不可编辑'
     ],
     'admin_translation'   => [
         'data_exists' => '翻译配置已存在'
diff --git a/resources/lang/zh-TW/service.php b/resources/lang/zh-TW/service.php
index 456d05d..0243082 100644
--- a/resources/lang/zh-TW/service.php
+++ b/resources/lang/zh-TW/service.php
@@ -7,7 +7,8 @@ return [
     ],
     'admin_user'          => [
         'name_exists' => '用戶帳號已存在',
-        'not_del'     => '超管帳號不可删除'
+        'not_del'     => '超管帳號不可删除',
+        'not_edit'    => '超管帳號不可編輯'
     ],
     'admin_translation'   => [
         'data_exists' => '翻譯配寘已存在'