diff --git a/app/controllers/projects_controller.rb b/app/controllers/projects_controller.rb
index 5c9fa7fce..abe9e3291 100644
--- a/app/controllers/projects_controller.rb
+++ b/app/controllers/projects_controller.rb
@@ -348,7 +348,7 @@ class ProjectsController < ApplicationController
   end
 
   def new
-    @project_type        = params[:project_type]
+    @project_type        = params[:project_type] ||= params[:course]
     @issue_custom_fields = IssueCustomField.sorted.all
     @trackers            = Tracker.sorted.all
 
@@ -362,9 +362,9 @@ class ProjectsController < ApplicationController
       @course_tag              = params[:course]
       @course                  = Course.new
       @course.safe_attributes  = params[:course]
-    else
-      render_404
-      return -1
+    else # default Project
+      @project                 = Project.new
+      @project.safe_attributes = params[:project]
     end
     render :layout => 'base'
   end
@@ -851,8 +851,7 @@ class ProjectsController < ApplicationController
 
   def select_project_layout
     project = Project.find_by_id(params[:id])
-    project ||= @project
-    project ||= @course
+    project ||= @project ||= @course ||= params[:course] ||= params[:project_type]
     (project.try(:project_type) == Project::ProjectType_project) ? 'base_projects' : 'base_courses'
   end
 
diff --git a/app/views/projects/_course.html.erb b/app/views/projects/_course.html.erb
index 2ea16a3ce..f55a80db3 100644
--- a/app/views/projects/_course.html.erb
+++ b/app/views/projects/_course.html.erb
@@ -47,6 +47,7 @@
 	</p>
 	<div class="buttons_for_course" style="margin-top:30px;margin-left:144px">
 		<span class="info"></span>
+		<% if @project.project_type==Project::ProjectType_course %>
 <% if(course_endTime_timeout? @project) %>
 		<span class="font_lighter">
 			课程学期已结束
@@ -54,6 +55,7 @@
 <% else %>
 	    <%= join_in_course_for_list(@project, User.current,['regular'])%>
 <% end -%>
+		<% end %>
 	</div>
 </div>
 </div>