Merge branch 'dev_chen' of https://bdgit.educoder.net/Hjqreturn/educoder into dev_chen

* 'dev_chen' of https://bdgit.educoder.net/Hjqreturn/educoder:
  调整
  删除试卷报错

app/controllers/examination_banks_controller.rb

@@ -52,7 +52,7 @@ class ExaminationBanksController < ApplicationController
   end
 
   def destroy
-    tip_exception(403, "无权限") unless current_user.admin? || @item.user == current_user
+    tip_exception(403, "无权限") unless current_user.admin? || @exam.user == current_user
     ActiveRecord::Base.transaction do
       ApplyAction.where(container_type: "ExaminationBank", container_id: @exam.id).destroy_all
       @exam.destroy!

app/controllers/exercises_controller.rb

@@ -137,7 +137,7 @@ class ExercisesController < ApplicationController
         :course_id => @course.id,
         :time => -1,
         :exercise_status => 1,
-        :is_md => params[:md]
+        :is_md => params[:is_md]
       }
       @exercise = Exercise.create!(exercise_options)
     end