diff --git a/src/main/scala/app/RepositoryViewerController.scala b/src/main/scala/app/RepositoryViewerController.scala
index 2a313c0..9b3a322 100644
--- a/src/main/scala/app/RepositoryViewerController.scala
+++ b/src/main/scala/app/RepositoryViewerController.scala
@@ -436,6 +436,10 @@
 
             repo.html.files(revision, repository,
               if(path == ".") Nil else path.split("/").toList, // current path
+              context.loginAccount match {
+                case None => List()
+                case account: Option[model.Account] => getGroupsByUserName(account.get.userName)
+              }, // groups of current user
               new JGitUtil.CommitInfo(lastModifiedCommit), // last modified commit
               files, readme, hasWritePermission(repository.owner, repository.name, context.loginAccount),
               flash.get("info"), flash.get("error"))
diff --git a/src/main/twirl/menu.scala.html b/src/main/twirl/menu.scala.html
index e659467..8e85704 100644
--- a/src/main/twirl/menu.scala.html
+++ b/src/main/twirl/menu.scala.html
@@ -2,6 +2,7 @@
   repository: service.RepositoryService.RepositoryInfo,
   id: Option[String] = None,
   expand: Boolean = false,
+  isNoGroup: Boolean = true,
   info: Option[Any] = None,
   error: Option[Any] = None)(body: Html)(implicit context: app.Context)
 @import context._
@@ -41,7 +42,11 @@
       @if(loginAccount.isEmpty){
         <a title="You must be signed in to fork a repository" href="@path/signin" class="btn btn-small" style="margin-bottom: 10px;">Fork</a>
       } else {
-        <a href="@path/@repository.owner/@repository.name/fork" class="btn btn-small" rel="facebox" style="margin-bottom: 10px;">Fork</a>
+        @if(isNoGroup) {
+          <a href="@path/@repository.owner/@repository.name/fork" class="btn btn-small" style="margin-bottom: 10px;" data-account="@loginAccount.get.userName">Fork</a>
+        } else {
+          <a href="@path/@repository.owner/@repository.name/fork" class="btn btn-small" rel="facebox" style="margin-bottom: 10px;">Fork</a>
+        }
       }
         <span class="add-on count"><a href="@url(repository)/network/members">@repository.forkedCount</a></span>
       </div>
@@ -189,6 +194,23 @@
     }
   });
 
+  @if(loginAccount.isDefined){
+    $(document).on("click", "a[data-account]", function(e) {
+      e.preventDefault();
+      var form = $('<form/>', {
+        action: $(this).attr('href'),
+        method: "post"
+      });
+      var account = $('<input/>', {
+        type: "hidden",
+        name: "account",
+        value: $(this).data('account')
+      });
+      form.append(account);
+      form.submit();
+    });
+  }
+
   @if(settings.ssh && loginAccount.isDefined){
     $('#repository-url-http').click(function(){
       $('#repository-url-proto').text('HTTP');
diff --git a/src/main/twirl/repo/files.scala.html b/src/main/twirl/repo/files.scala.html
index 96e4a61..f8ff085 100644
--- a/src/main/twirl/repo/files.scala.html
+++ b/src/main/twirl/repo/files.scala.html
@@ -1,6 +1,7 @@
 @(branch: String,
   repository: service.RepositoryService.RepositoryInfo,
   pathList: List[String],
+  groupNames: List[String],
   latestCommit: util.JGitUtil.CommitInfo,
   files: List[util.JGitUtil.FileInfo],
   readme: Option[(List[String], String)],
@@ -10,7 +11,7 @@
 @import context._
 @import view.helpers._
 @html.main(s"${repository.owner}/${repository.name}", Some(repository)) {
-  @html.menu("code", repository, Some(branch), pathList.isEmpty, info, error){
+  @html.menu("code", repository, Some(branch), pathList.isEmpty, groupNames.isEmpty, info, error){
     <div class="head">
       @helper.html.branchcontrol(
         branch,