Update README.md

xujiajun · web-flow · commit 94a6f38a624e · 2018-11-11T22:06:54.000+08:00
diff --git a/README.md b/README.md
@@ -28,7 +28,7 @@ I wanted a simple and fast HTTP GO router, which supports regexp. I prefer to su
 ## Installation
 
 ```
-go get github.com/xujiajun/gorouter
+go get -u github.com/xujiajun/gorouter
 ```
 
 ## Usage
