diff --git a/README.md b/README.md
index 232aa92a84d..a2aed3afad8 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ Gogs(Go Git Service) is a painless self-hosted Git Service written in Go.
 
 ![Demo](https://gowalker.org/public/gogs_demo.gif)
 
-##### Current version: 0.5.3 Beta
+##### Current version: 0.5.4 Beta
 
 ### NOTICES
 
diff --git a/README_ZH.md b/README_ZH.md
index fcc8b496946..817110b375f 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -5,7 +5,7 @@ Gogs(Go Git Service) 是一个基于 Go 语言的自助 Git 服务。
 
 ![Demo](https://gowalker.org/public/gogs_demo.gif)
 
-##### 当前版本：0.5.3 Beta
+##### 当前版本：0.5.4 Beta
 
 ## 开发目的
 
diff --git a/gogs.go b/gogs.go
index b1b9fe60d56..d565d7bbb19 100644
--- a/gogs.go
+++ b/gogs.go
@@ -17,7 +17,7 @@ import (
 	"github.com/gogits/gogs/modules/setting"
 )
 
-const APP_VER = "0.5.3.0922 Beta"
+const APP_VER = "0.5.4.0922 Beta"
 
 func init() {
 	runtime.GOMAXPROCS(runtime.NumCPU())
diff --git a/modules/git/submodule.go b/modules/git/submodule.go
index 28b5b9f3756..6927f8cbadf 100644
--- a/modules/git/submodule.go
+++ b/modules/git/submodule.go
@@ -1,6 +1,58 @@
+// Copyright 2014 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
 package git
 
+import (
+	"strings"
+)
+
 type SubModule struct {
 	Name string
 	Url  string
 }
+
+// SubModuleFile represents a file with submodule type.
+type SubModuleFile struct {
+	*Commit
+
+	refUrl string
+	refId  string
+}
+
+func NewSubModuleFile(c *Commit, refUrl, refId string) *SubModuleFile {
+	return &SubModuleFile{
+		Commit: c,
+		refUrl: refUrl,
+		refId:  refId,
+	}
+}
+
+// RefUrl guesses and returns reference URL.
+func (sf *SubModuleFile) RefUrl() string {
+	url := strings.TrimSuffix(sf.refUrl, ".git")
+
+	// git://xxx/user/repo
+	if strings.HasPrefix(url, "git://") {
+		return "http://" + strings.TrimPrefix(url, "git://")
+	}
+
+	// http[s]://xxx/user/repo
+	if strings.HasPrefix(url, "http://") || strings.HasPrefix(url, "https://") {
+		return url
+	}
+
+	// sysuser@xxx:user/repo
+	i := strings.Index(url, "@")
+	j := strings.LastIndex(url, ":")
+	if i > -1 && j > -1 {
+		return "http://" + url[i+1:j] + "/" + url[j+1:]
+	}
+	return url
+}
+
+// RefId returns reference ID.
+func (sf *SubModuleFile) RefId() string {
+	return sf.refId
+}
diff --git a/routers/repo/view.go b/routers/repo/view.go
index 77f17e7ae09..4e4a7b18ce4 100644
--- a/routers/repo/view.go
+++ b/routers/repo/view.go
@@ -21,13 +21,6 @@ const (
 	HOME base.TplName = "repo/home"
 )
 
-type fakeCommit struct {
-	*git.Commit
-
-	RefUrl string
-	RefId  string
-}
-
 func Home(ctx *middleware.Context) {
 	ctx.Data["Title"] = ctx.Repo.Repository.Name
 
@@ -153,14 +146,7 @@ func Home(ctx *middleware.Context) {
 					ctx.Handle(404, "GetCommitOfRelPath", err)
 					return
 				}
-
-				commit := fakeCommit{
-					Commit: c,
-					RefUrl: strings.TrimRight(sm.Url, ".git"),
-					RefId:  te.Id.String(),
-				}
-
-				files = append(files, []interface{}{te, &commit})
+				files = append(files, []interface{}{te, git.NewSubModuleFile(c, sm.Url, te.Id.String())})
 			}
 		}
 
diff --git a/templates/.VERSION b/templates/.VERSION
index 19d8171e8ff..8a713df0428 100644
--- a/templates/.VERSION
+++ b/templates/.VERSION
@@ -1 +1 @@
-0.5.3.0922 Beta
\ No newline at end of file
+0.5.4.0922 Beta
\ No newline at end of file