diff --git a/models/issue.go b/models/issue.go
index 19f00d5f3..3a7097977 100755
--- a/models/issue.go
+++ b/models/issue.go
@@ -775,6 +775,38 @@ func (issue *Issue) ChangeContent(doer *User, content string) (err error) {
 	return sess.Commit()
 }
 
+// ChangeRef changes issue ref, as the given user.
+func (issue *Issue) ChangeRef(doer *User, newRef string) (err error) {
+	oldRef := issue.Ref
+	issue.Ref = newRef
+
+	sess := x.NewSession()
+	defer sess.Close()
+	if err = sess.Begin(); err != nil {
+		return err
+	}
+
+	if err = updateIssueCols(sess, issue, "ref"); err != nil {
+		sess.Rollback()
+		return fmt.Errorf("UpdateIssueCols: %v", err)
+	}
+
+	var opts = &CreateCommentOptions{
+		Type:   CommentTypeRef,
+		Doer:   doer,
+		Repo:   issue.Repo,
+		Issue:  issue,
+		OldRef: oldRef,
+		NewRef: newRef,
+	}
+	if _, err = createComment(sess, opts); err != nil {
+		sess.Rollback()
+		return err
+	}
+
+	return sess.Commit()
+}
+
 // GetTasks returns the amount of tasks in the issues content
 func (issue *Issue) GetTasks() int {
 	return len(issueTasksPat.FindAllStringIndex(issue.Content, -1))
diff --git a/models/issue_comment.go b/models/issue_comment.go
index 60d38452c..ec9441bde 100755
--- a/models/issue_comment.go
+++ b/models/issue_comment.go
@@ -48,6 +48,8 @@ const (
 	CommentTypePullRef
 	// Labels changed
 	CommentTypeLabel
+	// Ref changed
+	CommentTypeRef
 	// Milestone changed
 	CommentTypeMilestone
 	// Assignees changed
diff --git a/routers/repo/issue.go b/routers/repo/issue.go
index 42a6b9609..875c02024 100755
--- a/routers/repo/issue.go
+++ b/routers/repo/issue.go
@@ -432,7 +432,7 @@ func RetrieveRepoMetas(ctx *context.Context, repo *models.Repository, isPull boo
 		return nil
 	}
 
-	brs, _, err := ctx.Repo.GitRepo.GetBranches(0,0)
+	brs, _, err := ctx.Repo.GitRepo.GetBranches(0, 0)
 	if err != nil {
 		ctx.ServerError("GetBranches", err)
 		return nil
@@ -1302,6 +1302,29 @@ func UpdateIssueContent(ctx *context.Context) {
 	})
 }
 
+// UpdateIssueRef change issue's code reference
+func UpdateIssueRef(ctx *context.Context) {
+	issue := GetActionIssue(ctx)
+	if ctx.Written() {
+		return
+	}
+
+	if !ctx.IsSigned || (ctx.User.ID != issue.PosterID && !ctx.Repo.CanWriteIssuesOrPulls(issue.IsPull)) {
+		ctx.Error(403)
+		return
+	}
+
+	ref := ctx.Query("ref")
+	if err := issue_service.ChangeRef(issue, ctx.User, ref); err != nil {
+		ctx.ServerError("ChangeRef", err)
+		return
+	}
+
+	ctx.JSON(200, map[string]interface{}{
+		"ref": issue.Ref,
+	})
+}
+
 // UpdateIssueMilestone change issue's milestone
 func UpdateIssueMilestone(ctx *context.Context) {
 	issues := getActionIssues(ctx)
diff --git a/routers/routes/routes.go b/routers/routes/routes.go
index 9df429e8b..7af42867c 100755
--- a/routers/routes/routes.go
+++ b/routers/routes/routes.go
@@ -868,6 +868,7 @@ func RegisterRoutes(m *macaron.Macaron) {
 			m.Group("/:index", func() {
 				m.Post("/title", repo.UpdateIssueTitle)
 				m.Post("/content", repo.UpdateIssueContent)
+				m.Post("/ref", repo.UpdateIssueRef)
 				m.Post("/watch", repo.IssueWatch)
 				m.Group("/dependency", func() {
 					m.Post("/add", repo.AddDependency)
diff --git a/services/issue/content.go b/services/issue/content.go
index 1081e30b5..387930449 100644
--- a/services/issue/content.go
+++ b/services/issue/content.go
@@ -21,3 +21,12 @@ func ChangeContent(issue *models.Issue, doer *models.User, content string) (err
 
 	return nil
 }
+
+// ChangeRef changes issue ref, as the given user.
+func ChangeRef(issue *models.Issue, doer *models.User, ref string) (err error) {
+	if err := issue.ChangeRef(doer, ref); err != nil {
+		return err
+	}
+
+	return nil
+}