diff --git a/docs/guide/feature/safe/index.md b/docs/guide/feature/safe/index.md
index 6aec4647..b3d2dbdd 100644
--- a/docs/guide/feature/safe/index.md
+++ b/docs/guide/feature/safe/index.md
@@ -45,4 +45,5 @@ Certd 存储了证书以及授权等敏感数据，所以需要严格保障安
 * 请`务必`使用`web应用防火墙`防护本应用，防止XSS、SQL注入等攻击
 * 请`务必`做好`服务器本身`的安全防护，防止数据库泄露
 * 请`务必`做好[`数据备份`](../../use/backup/)，避免数据丢失
+* 请`务必`修改管理员账号用户名，且建议将admin注册为普通用户，且设置为禁用。
 * 建议开启[`站点隐藏`](./hidden/)功能
diff --git a/docs/guide/feature/safe/suggest.md b/docs/guide/feature/safe/suggest.md
deleted file mode 100644
index e69de29b..00000000