update doc

document/elk/elk.md

 # windows下的elk环境搭建
 
 ## 下载
-下载页面：https://www.elastic.co/downloads/past-releases
-ElasticSearch:https://www.elastic.co/downloads/past-releases/elasticsearch-2-4-6
-Logstash:https://www.elastic.co/downloads/past-releases/logstash-2-4-0
-Kibana:https://www.elastic.co/downloads/past-releases/kibana-4-6-0
+- 下载页面：https://www.elastic.co/downloads/past-releases
+- ElasticSearch:https://www.elastic.co/downloads/past-releases/elasticsearch-2-4-6
+- Logstash:https://www.elastic.co/downloads/past-releases/logstash-2-4-0
+- Kibana:https://www.elastic.co/downloads/past-releases/kibana-4-6-0
 
 ## 安装
 下载zip包并进行解压
@@ -12,10 +12,10 @@ Kibana:https://www.elastic.co/downloads/past-releases/kibana-4-6-0
 ## 运行
 
 ### logstash配置运行
-添加logstash配置文件：logstash-springboot.conf
-安装logstash-codec-json_lines插件：plugin install logstash-codec-json_lines
-运行logstash命令：logstash -f logstash-springboot.conf
+- 添加logstash配置文件：logstash-springboot.conf
+- 安装logstash-codec-json_lines插件：plugin install logstash-codec-json_lines
+- 运行logstash命令：logstash -f logstash-springboot.conf
 
 ## SpringBoot整合logstash
-引入依赖包：https://github.com/logstash/logstash-logback-encoder
-添加配置文件：logback-spring.xml
+- 引入依赖包：https://github.com/logstash/logstash-logback-encoder
+- 添加配置文件：logback-spring.xml