upd: update readme

README.md

@@ -20,7 +20,7 @@ English | [中文说明](./README_ZH-CN.md)
 
 ## Attention
 
-- For more extendable, Yank Note sacrifices security protection (command execution, arbitrary file reading and writing). If you want to use it to open a foreign Markdown file, **be sure to carefully identify whether the content of the file is trustworthy**.
+- For more extendable, Yank Note sacrifices security protection (command execution, arbitrary file reading and writing). If you want to use it to open a foreign Markdown file, ⚠️**be sure to carefully identify whether the content of the file is trustworthy**⚠️.
 - The encryption and decryption of encrypted files are both completed at the front end. Please **be sure to remember your password**. Once the password is lost, it can only be cracked violently.
 
 ## Yank-Note V3 Plan

README_ZH-CN.md

@@ -20,7 +20,7 @@
 
 ## 注意事项
 
-- 为了更高的拓展性和方便性，Yank Note 牺牲了安全防护（命令执行，任意文件读写）。如果要用它打开外来 Markdown 文件，**请务必仔细甄别文件内容是值得信任的**。
+- 为了更高的拓展性和方便性，Yank Note 牺牲了安全防护（命令执行，任意文件读写）。如果要用它打开外来 Markdown 文件，⚠️**请务必仔细甄别文件内容是值得信任的**⚠️。
 - 加密文件的加密解密操作均在前端完成，请**务必牢记自己的密码**。一旦密码丢失，就只能暴力破解了。
 
 ## Yank-Note V3 开发计划