Update README.md

README.md

@@ -73,7 +73,7 @@ Docker | 应用容器引擎 | [https://www.docker.com/](https://www.docker.com/)
 Druid | 数据库连接池 | [https://github.com/alibaba/druid](https://github.com/alibaba/druid)
 OSS | 对象存储 | [https://github.com/aliyun/aliyun-oss-java-sdk](https://github.com/aliyun/aliyun-oss-java-sdk)
 JWT | JWT登录支持 | [https://github.com/jwtk/jjwt](https://github.com/jwtk/jjwt)
-LogStash | 日志收集 | [https://github.com/logstash/logstash-logback-encoder](https://github.com/logstash/logstash-logback-encoder)
+LogStash | 日志收集工具 | [https://github.com/logstash/logstash-logback-encoder](https://github.com/logstash/logstash-logback-encoder)
 Lombok | 简化对象封装工具 | [https://github.com/rzwitserloot/lombok](https://github.com/rzwitserloot/lombok)
 
 #### 前端技术