Update README.md

README.md

@@ -11,7 +11,7 @@
 <a title="Release" target="_blank" href="https://github.com/cheng-zhongliang/event/releases"><img src="https://img.shields.io/github/v/release/cheng-zhongliang/event.svg?color=161823&logo=smartthings" /></a>
 <a title="Tag" target="_blank" href="https://github.com/cheng-zhongliang/event/tags"><img src="https://img.shields.io/github/v/tag/cheng-zhongliang/event?color=%23ff8936&logo=fitbit" /></a>
 <a title="Require Go Version" target="_blank" href="https://github.com/cheng-zhongliang/event"><img src="https://img.shields.io/badge/go-%3E%3D1.20-30dff3?logo=go" /></a>
-<a title="Supported Platforms" target="_blank" href="https://github.com/cheng-zhongliang/event"><img src="https://img.shields.io/badge/platform-Linux-549688?logo=launchpad" /></a>
+<a title="Supported Platforms" target="_blank" href="https://github.com/cheng-zhongliang/event"><img src="https://img.shields.io/badge/platform-Linux%20%7C%20FreeBSD%20%7C%20DragonFly%20%7C%20NetBSD%20%7C%20OpenBSD%20%7C%20Darwin-549688?logo=launchpad" /></a>
 <a title="Mentioned in Awesome Go" target="_blank" href="https://github.com/avelino/awesome-go#networking"><img src="https://awesome.re/mentioned-badge.svg" /></a>
 <a title="Stars" target="_blank" href="https://starchart.cc/cheng-zhongliang/event"><img alt="Stars" src="https://img.shields.io/github/stars/cheng-zhongliang/event.svg?style=social"></a>
 </p>