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README.md

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 ## Intro
+XXL-JOB is a lightweight distributed task scheduling framework. 
+It's core design goal is to develop quickly and learn simple, lightweight, and easy to expand. 
+Now, it's already open source, and many companies use it in production environments, real "out-of-the-box".
 
 XXL-JOB是一个轻量级分布式任务调度框架，其核心设计目标是开发迅速、学习简单、轻量级、易扩展。现已开放源代码并接入多家公司线上产品线，开箱即用。