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 感谢电子工业出版社博文观点的鼓励，我们有意将该项目成书出版，目前仍在思考怎样调整目录结构及内容，稍后我们将贴出最终目录和样章，欢迎大家提意见～
 
-目录：[目录](catalog.md)
+目录：[目录](catalog.pdf)
 
-样章：[样章](chapter1.pdf)
+样章：[样章](demo1-pwn.pdf)
 
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