diff --git a/doc/6.3_books&blogs.md b/doc/6.3_books&blogs.md
index 1a21462..d05b433 100644
--- a/doc/6.3_books&blogs.md
+++ b/doc/6.3_books&blogs.md
@@ -7,6 +7,7 @@
 
 ## 网站
 - [OpenSecurityTraining](http://opensecuritytraining.info/Welcome.html)
+- [sec-wiki](https://www.sec-wiki.com/)
 - [Stanford Computer Security Laboratory](http://seclab.stanford.edu/)
 - [Shellcodes database for study cases](http://shell-storm.org/shellcode/)
 - [Corelan Team Articles](https://www.corelan.be/index.php/articles/)
@@ -29,9 +30,9 @@
 ## 文章
 
 ## 书籍
-- Hacking: The Art of Exploitation, 2nd Edition by Jon Erickson
-- The Shellcoder's Handbook: Discovering and Exploiting Security Holes, 2nd Edition by Chris Anley et al
-- The IDA Pro Book: The Unofficial Guide to the World's Most Popular Disassembler 2nd Edition
-- Practical Malware Analysis by Michael Sikorski and Andrew Honig
-- Practical Reverse Engineering by Dang, Gazet, Bachaalany
-- Fuzzing: Brute Force Vulnerability Discovery
+- [Hacking: The Art of Exploitation, 2nd Edition by Jon Erickson](https://leaksource.files.wordpress.com/2014/08/hacking-the-art-of-exploitation.pdf)
+- [The Shellcoder's Handbook: Discovering and Exploiting Security Holes, 2nd Edition by Chris Anley et al](https://murdercube.com/files/Computers/Computer%20Security/Wiley.The.Shellcoders.Handbook.2nd.Edition.Aug.2007.pdf)
+- [The IDA Pro Book: The Unofficial Guide to the World's Most Popular Disassembler 2nd Edition](http://staff.ustc.edu.cn/~sycheng/ssat/books/The.IDA.Pro.Book.2ed.pdf)
+- [Practical Malware Analysis by Michael Sikorski and Andrew Honig](http://venom630.free.fr/pdf/Practical_Malware_Analysis.pdf)
+- [Practical Reverse Engineering by Dang, Gazet, Bachaalany](https://repo.zenk-security.com/Reversing%20.%20cracking/Practical%20Reverse%20Engineering.pdf)
+- [Fuzzing: Brute Force Vulnerability Discovery](http://bxi.es/Reversing-Exploiting/Fuzzing%20Brute%20Force%20Vulnerability%20Discovery.pdf)