更新文档

README.md

@@ -329,10 +329,10 @@ zheng-ui、zheng-common => zheng-upms => 其他
 ![swagger](project-bootstrap/api.png)
 
 ### 数据模型
-![数据库模型](https://github.com/shuzheng/zheng/raw/master/project-datamodel/zheng.png)
+![数据库模型](project-datamodel/zheng.png)
 
 ### 拓扑图
-![拓扑图](https://github.com/shuzheng/zheng/raw/master/project-bootstrap/distributedSystem.png)
+![拓扑图](project-bootstrap/distributedSystem.png)
 
 ### 开发进度
 ![开发进度](project-bootstrap/progress.png)
@@ -369,6 +369,8 @@ zheng-ui、zheng-common => zheng-upms => 其他
 
 - [读懂Redis并配置主从集群及高可用部署](http://mp.weixin.qq.com/s?__biz=MzIxNTYzOTQ0Ng==&mid=2247483668&idx=1&sn=cd31574877d38cf7ff9c047b86c9bf23&chksm=979475eda0e3fcfb6b5006bcd19c5a838eca9e369252847dbdf97820bf418201dd75c1dadda3&mpshare=1&scene=23&srcid=0117KUiiITwi2ETRan16xRVg#rd "读懂Redis并配置主从集群及高可用部署")
 
+- [Redis哨兵-实现Redis高可用](http://redis.majunwei.com/topics/sentinel.html "Redis哨兵-实现Redis高可用")
+
 - [ELK(ElasticSearch, Logstash, Kibana)搭建实时日志分析平台](http://www.open-open.com/lib/view/open1451801542042.html "ELK(ElasticSearch, Logstash, Kibana)搭建实时日志分析平台")
 
 - [Nginx基本功能极速入门](http://xxgblog.com/2015/05/17/nginx-start/ "Nginx基本功能极速入门")