add contribution info

Author: oldratlee

README.md

@@ -5,6 +5,7 @@
 
 [![License](https://img.shields.io/badge/license-Apache%202-4EB1BA.svg)](https://www.apache.org/licenses/LICENSE-2.0.html)
 [![Join the chat at https://gitter.im/oldratlee/useful-scripts](https://badges.gitter.im/oldratlee/useful-scripts.svg)](https://gitter.im/oldratlee/useful-scripts?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+[![GitHub release](https://img.shields.io/github/release/oldratlee/useful-scripts.svg)](https://github.com/oldratlee/useful-scripts/releases)
 [![GitHub stars](https://img.shields.io/github/stars/oldratlee/useful-scripts.svg?style=social&label=Star&)](https://github.com/oldratlee/useful-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/oldratlee/useful-scripts.svg?style=social&label=Fork&)](https://github.com/oldratlee/useful-scripts/fork)
 

docs/java.md

@@ -161,6 +161,7 @@ $ show-busy-java-threads
     - 优化性能，通过`read -a`简化反复的`awk`操作。 [#51](https://github.com/oldratlee/useful-scripts/pull/51)
 - [superhj1987](https://github.com/superhj1987) / [lirenzuo](https://github.com/lirenzuo)
     - 提出/实现了多次执行的功能 [superhj1987/awesome-scripts#1](https://github.com/superhj1987/awesome-scripts/issues/1)
+- [xiongchen2012](https://github.com/xiongchen2012) 提出/解决了长用户名截断的Bug [#62](https://github.com/oldratlee/useful-scripts/pull/62)
 
 :beer: [show-duplicate-java-classes](../show-duplicate-java-classes)
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