diff --git a/app/controllers/repositories_controller.rb b/app/controllers/repositories_controller.rb
index 126b269bb..f2f10d5b6 100644
--- a/app/controllers/repositories_controller.rb
+++ b/app/controllers/repositories_controller.rb
@@ -46,16 +46,21 @@ class RepositoriesController < ApplicationController
 
   rescue_from Redmine::Scm::Adapters::CommandFailed, :with => :show_error_command_failed
   def new
-    scm = params[:repository_scm] || (Redmine::Scm::Base.all & Setting.enabled_scm).first
-    @repository = Repository.factory(scm)
-    @repository.is_default = @project.repository.nil?
-    @repository.project = @project
-    @course_tag = params[:course]
-    if @course_tag == 1
-      render :layout => 'base_courses'
+    if @project.repositories.count == 0
+      scm = params[:repository_scm] || (Redmine::Scm::Base.all & Setting.enabled_scm).first
+      @repository = Repository.factory(scm)
+      @repository.is_default = @project.repository.nil?
+      @repository.project = @project
+      @course_tag = params[:course]
+      if @course_tag == 1
+        render :layout => 'base_courses'
+      else
+        render :layout => 'base_projects'
+      end
     else
-      render :layout => 'base_projects'
+      render_403
     end
+
   end
   
   
diff --git a/config/locales/commons/zh.yml b/config/locales/commons/zh.yml
index 7cbb223c6..61bad2a00 100644
--- a/config/locales/commons/zh.yml
+++ b/config/locales/commons/zh.yml
@@ -199,7 +199,8 @@ zh:
   label_descripition_blank: 描述不能为空
   label_subject_empty: 主题不能为空
 
-  label_no_data: 没有任何数据可供显示  
+  label_no_data: 没有任何数据可供显示
+  label_repository_no_data: 您还没有创建版本库，每个项目只允许创建一个版本库！
   # 项目、课程、用户公用
   label_settings: 配置
   label_information_plural: 信息