diff --git a/README.md b/README.md
index 40b91c4..d2c354d 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,7 @@
 ### [[Discord](https://discord.gg/keV6MWQFtX)] [[Telegram](https://t.me/+99Mw06p3K7NlMmNl)]
 
 ### Download [Latest Patched](https://github.com/elseif/MikroTikPatch/releases/latest) iso file,install it and enjoy.
+### CHR image is both support BIOS and UEFI boot mode.
 
 ![](install.png)
 ![](routeros.png)
diff --git a/README_CN.md b/README_CN.md
index 61b6f51..cb484b2 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -3,6 +3,8 @@
 ###  [MikroTik RouterOS 授权签名验证分析](https://blog.csdn.net/chivalrys/article/details/139770711) 
 
 ### 下载 [最新](https://github.com/elseif/MikroTikPatch/releases/latest) 的iso文件安装RouterOS.
+### CHR镜像文件同时支持BIOS和UEFI启动模式
+
 
 ![](install.png)
 ![](routeros.png)