diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -521,6 +521,10 @@
 - [红队攻防实践：闲谈Webshell在实战中的应用](./books/红队攻防实践：闲谈Webshell在实战中的应用.pdf)
 - [php无eval后门](./books/php无eval后门.pdf)
 - [【代码审计】ThinkPhp6任意文件写入](./books/[代码审计]ThinkPhp6任意文件写入.pdf)
+- [YzmCMS代码审计](./books/YzmCMS代码审计.pdf)
+- [BadUSB简单免杀一秒上线CobaltStrike](./books/BadUSB简单免杀一秒上线CobaltStrike.pdf)
+- [BasUSB实现后台静默执行上线CobaltStrike](./books/BasUSB实现后台静默执行上线CobaltStrike.pdf)
+- [手把手带你制作一个X谁谁上线的BadUSB](./books/手把手带你制作一个X谁谁上线的BadUSB.pdf)
 
 ## <span id="head9"> 说明</span>
 
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