BUG修改

app/controllers/homework_attach_controller.rb

@@ -196,7 +196,7 @@ class HomeworkAttachController < ApplicationController
 
   def destroy
     #@homework = HomeworkAttach.find(params[:id])
-    if User.current.admin? || User.current == @homework
+    if User.current.admin? || User.current == @homework.user
       if @homework.destroy
         respond_to do |format|
           format.html { redirect_to course_for_bid_path @homework.bid }