diff --git a/README.md b/README.md
index d188508ec685..c16f721aa689 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ Gogs(Go Git Service) is a Self Hosted Git Service in the Go Programming Language
 
 ![Demo](http://gowalker.org/public/gogs_demo.gif)
 
-##### Current version: 0.3.0 Alpha
+##### Current version: 0.3.1 Alpha
 
 ### NOTICES
 
diff --git a/README_ZH.md b/README_ZH.md
index bbf461ddf6b1..b8278223574c 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -5,7 +5,7 @@ Gogs(Go Git Service) 是一个由 Go 语言编写的自助 Git 托管服务。
 
 ![Demo](http://gowalker.org/public/gogs_demo.gif)
 
-##### 当前版本：0.3.0 Alpha
+##### 当前版本：0.3.1 Alpha
 
 ## 开发目的
 
diff --git a/gogs.go b/gogs.go
index 1a8b4d13122d..d723aa33a022 100644
--- a/gogs.go
+++ b/gogs.go
@@ -19,7 +19,7 @@ import (
 // Test that go1.2 tag above is included in builds. main.go refers to this definition.
 const go12tag = true
 
-const APP_VER = "0.3.0.0427 Alpha"
+const APP_VER = "0.3.1.0427 Alpha"
 
 func init() {
 	base.AppVer = APP_VER
diff --git a/public/img/favicon.bak.png b/public/img/favicon.bak.png
new file mode 100644
index 000000000000..ba9bd037561d
Binary files /dev/null and b/public/img/favicon.bak.png differ
diff --git a/public/img/favicon.png b/public/img/favicon.png
index ba9bd037561d..87282f9a7816 100644
Binary files a/public/img/favicon.png and b/public/img/favicon.png differ
diff --git a/routers/repo/commit.go b/routers/repo/commit.go
index d73669923b2b..bc33fe44739a 100644
--- a/routers/repo/commit.go
+++ b/routers/repo/commit.go
@@ -97,6 +97,7 @@ func Diff(ctx *middleware.Context, params martini.Params) {
 		parents[i] = sha.String()
 		if err != nil {
 			ctx.Handle(404, "repo.Diff", err)
+			return
 		}
 	}
 
diff --git a/templates/repo/diff.tmpl b/templates/repo/diff.tmpl
index 38fe3fee2c66..0b6d4f722e86 100644
--- a/templates/repo/diff.tmpl
+++ b/templates/repo/diff.tmpl
@@ -8,13 +8,11 @@
                 <a class="pull-right btn btn-primary btn-sm" rel="nofollow" href="{{.SourcePath}}">Browse Source</a>
                 <h4>{{.Commit.Message}}</h4>
             </div>
-            {{ $username := .Username }}
-            {{ $reponame := .Reponame }}
             <div class="panel-body">
                 <span class="pull-right">
                 <ul class="list-unstyled">
                     {{range .Parents}}
-                    <li>parent <a href="/{{$username}}/{{$reponame}}/commit/{{.}}"><span class="label label-default sha">{{ShortSha .}}</span></a></li>
+                    <li>parent <a href="{{$.RepoLink}}/commit/{{.}}"><span class="label label-default sha">{{ShortSha .}}</span></a></li>
                     {{end}}
                     <li>commit <span class="label label-default sha">{{ShortSha .CommitId}}</span></li>
                 </ul>