diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -173,6 +173,7 @@
 - [weiphp5.0 cms审计之exp表达式注入](./books/weiphp5.0%20cms审计之exp表达式注入%20-%20先知社区.pdf)
 - [zzzphp1.7.4&1.7.5到处都是sql注入](./books/zzzphp1.7.4%261.7.5到处都是sql注入.pdf)
 - [FCKeditor文件上传漏洞及利用-File-Upload-Vulnerability-in-FCKEditor](./books/FCKeditor文件上传漏洞及利用-File-Upload-Vulnerability-in-FCKEditor.pdf)
+- [zzcms 2019 版本代码审计](./books/zzcms%202019%E7%89%88%E6%9C%AC%E4%BB%A3%E7%A0%81%E5%AE%A1%E8%AE%A1%20-%20%E5%85%88%E7%9F%A5%E7%A4%BE%E5%8C%BA.pdf)
 
 ## 说明
 
diff --git a/books/zzcms 2019版本代码审计 - 先知社区.pdf b/books/zzcms 2019版本代码审计 - 先知社区.pdf
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