不能删除帖子问题

.gitignore

@@ -1,3 +1,4 @@
+*.swp
 /.project
 /.idea
 /.bundle
@@ -11,4 +12,4 @@
 /Gemfile
 /Gemfile.lock
 /db/schema.rb
-/Gemfile.lock
+/Gemfile.lock

app/controllers/memos_controller.rb

@@ -148,7 +148,8 @@ class MemosController < ApplicationController
 
   def find_memo
     return unless find_forum
-    @memo = @forum.memos.find(params[:id])
+    #@memo = @forum.memos.find(params[:id])
+    @memo = Memo.find(params[:id])
   rescue ActiveRecord::RecordNotFound
     render_404
     nil