预览在issue和new里报错

app/controllers/previews_controller.rb

@@ -16,11 +16,10 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 class PreviewsController < ApplicationController
-  before_filter :find_project, :find_attachments, :find_contest, except: [:contestnotification]
+  before_filter :find_project, :find_attachments, except: :contestnotification
 
   def issue
     @issue = @project.issues.find_by_id(params[:id]) unless params[:id].blank?
-    @issue = @contest.issues.find_by_id(params[:id]) unless params[:id].blank?
     if @issue
       @description = params[:issue] && params[:issue][:description]
       if @description && @description.gsub(/(\r?\n|\n\r?)/, "\n") == @issue.description.to_s.gsub(/(\r?\n|\n\r?)/, "\n")
@@ -65,12 +64,4 @@ class PreviewsController < ApplicationController
     render :partial => 'common/preview'
   end
 
-  private
-  def find_contest
-    contest_id = (params[:issue] && params[:issue][:contest_id]) || params[:contest_id]
-    @contest = Contest.find(contest_id)
-    rescue ActiveRecord::RecordNotFound
-    render_404
-  end
-
 end