update

hello-java-maker · hello-java-maker · commit bd23d44cf945 · 2020-02-27T19:58:35.000+08:00
diff --git a/docs/project/秒杀项目总结.md b/docs/project/秒杀项目总结.md
@@ -199,21 +199,24 @@ Redis缓存服务
 #### 前后端分离
 
 - [前后端分离概述](https://blog.csdn.net/fuzhongmin05/article/details/81591072)
-- [ 基于JWT的token身份认证方案
-](https://www.cnblogs.com/xiangkejin/archive/2018/05/08/9011119.html)
-- [JWT-token—前后端分离架构的api安全问题](https://www.jianshu.com/p/836df92c06eb)
+- [前后端分离之JWT用户认证](https://www.jianshu.com/p/180a870a308a)
 
 #### mysql（优化）
 
 - [MySQL高频面试题](https://mp.weixin.qq.com/s/KFCkvfF84l6Eu43CH_TmXA)
 - [MySQL查询优化过程](https://mp.weixin.qq.com/s/jtuLb8uAIHJNvNpwcIZfpA)
+- [MVCC原理](https://liuzhengyang.github.io/2017/04/18/innodb-mvcc/)
+- [MySQL锁](https://blog.ouyangsihai.cn/mysql-de-you-yi-shen-qi-suo.html)
 
 #### 权限控制（设计、shiro）
 
 - [权限控制设计](https://mp.weixin.qq.com/s/WTgz07xDIf9FbAfCDyTheQ)
 - [shiro相关教程](https://blog.csdn.net/sihai12345/category_9268544.html)
+- [springboot+vue+shiro前后端分离实战项目](https://blog.csdn.net/neuf_soleil/category_9287210.html)
+- [shiro挺好的教程](https://how2j.cn/k/shiro/shiro-springboot/1728.html)
 
 #### 线上问题调优（虚拟机，tomcat）
+- [垃圾收集器ZGC](https://juejin.im/post/5dc361d3f265da4d1f51c670)
 - [jvm系列文章](https://crowhawk.github.io/tags/#JVM)
 - [* 一次JVM FullGC的背后，竟隐藏着惊心动魄的线上生产事故！](https://mp.weixin.qq.com/s/5SeGxKtwp6KZhUKn8jXi6A)
 - [Java虚拟机调优文章](https://blog.ouyangsihai.cn/categories/%E6%B7%B1%E5%85%A5%E7%90%86%E8%A7%A3Java%E8%99%9A%E6%8B%9F%E6%9C%BA/)
