修改删除文件后跳转错误问题

app/controllers/attachments_controller.rb

@@ -124,7 +124,12 @@ class AttachmentsController < ApplicationController
     end
 
     respond_to do |format|
-      format.html { redirect_to_referer_or forum_memo_path(@attachment.container.forum,@attachment.container) }
+      if @project.nil?
+        format.html { redirect_to_referer_or forum_memo_path(@attachment.container.forum,@attachment.container) }
+      else
+        format.html { redirect_to_referer_or project_path(@project)}
+      end
+
       format.js
     end
   end