diff --git a/.gitignore b/.gitignore
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--- /dev/null
+++ b/.gitignore
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+.DS_Store
diff --git a/README.md b/README.md
index a927130..042854b 100644
--- a/README.md
+++ b/README.md
@@ -565,8 +565,9 @@
 - [OneThink前台注入分析](./books/OneThink前台注入分析.pdf)
 - [记一次从源代码泄漏到后台(微擎cms)获取webshell的过程](./books/记一次从源代码泄漏到后台(微擎cms)获取webshell的过程.pdf)
 - [Android抓包—关于抓包的碎碎念-看雪论坛-Android板块ChenSem](./books/关于抓包的碎碎念.pdf)|[原文地址](https://bbs.pediy.com/thread-260965.htm)
+- [CVE-2020-15778-Openssh-SCP命令注入漏洞复现报告](./books/CVE-2020-15778-Openssh-SCP命令注入漏洞复现报告.pdf)
 
-## <span id="head9"> 说明</span>&
+## <span id="head9"> 说明</span>
 
 > 此项目所有文章、代码部分来源于互联网，版权归原作者所有，此项目仅供学习参考使用，严禁用于任何非法行为！使用即代表你同意自负责任！
 
diff --git a/books/CVE-2020-15778-Openssh-SCP命令注入漏洞复现报告.pdf b/books/CVE-2020-15778-Openssh-SCP命令注入漏洞复现报告.pdf
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