Bug fix

README.md

@@ -16,6 +16,7 @@ There are some very good products in this category such as [gitlab](http://gitla
 - Please see [Wiki](https://github.com/gogits/gogs/wiki) for project design, develop specification, change log and road map.
 - See [Trello Broad](https://trello.com/b/uxAoeLUl/gogs-go-git-service) to follow the develop team.
 - Try it before anything? Go down to **Installation -> Install from binary** section!.
+- Having troubles? Get help from [Troubleshooting](https://github.com/gogits/gogs/wiki/Troubleshooting).
 
 ## Features
 

routers/user/user.go

@@ -233,6 +233,10 @@ func Activate(ctx *middleware.Context) {
 	code := ctx.Query("code")
 	if len(code) == 0 {
 		ctx.Data["IsActivatePage"] = true
+		if ctx.User.IsActive {
+			ctx.Error(404)
+			return
+		}
 		// Resend confirmation e-mail.
 		if base.Service.RegisterEmailConfirm {
 			ctx.Data["Hours"] = base.Service.ActiveCodeLives / 60