班级作品：学生提交作品弹出作品校验框，点击重试后，作品列表中默认生成的作品记录就没有了

app/controllers/student_work_controller.rb

@@ -775,25 +775,29 @@ class StudentWorkController < ApplicationController
   end
 
   def retry_work
+    if @homework.homework_type == 3
       if @work.destroy
-      if @homework.homework_type == 3 &&  @homework.homework_detail_group.base_on_project == 1
+        if @homework.homework_detail_group.base_on_project == 1
           pros = @work.student_work_projects.where("is_leader = 0")
           pros.each do |pro|
             pro.destroy
           end
           project = @work.student_work_projects.where("is_leader = 1").first
           project.update_attributes(:student_work_id => nil)
-      elsif @homework.homework_type == 3 &&  @homework.homework_detail_group.base_on_project == 0
+        elsif @homework.homework_detail_group.base_on_project == 0
           @work.student_work_projects.each do |pro2|
             pro2.destroy
           end
         end
+      end
+    elsif @homework.homework_type == 1
+      @work.update_attributes(:work_status => 0, :name => "#{@homework.name}的作品提交", :description => nil, :late_penalty => 0)
+    end
     @student_work = StudentWork.new
     respond_to do |format|
       format.js
     end
   end
-  end
 
   #添加评分，已评分则为修改评分
   def add_score

app/models/student_work.rb

@@ -1,6 +1,6 @@
 #学生提交作品表
 class StudentWork < ActiveRecord::Base
-  attr_accessible :name, :description, :homework_common_id, :user_id, :final_score, :teacher_score, :student_score, :teaching_asistant_score, :project_id, :is_test, :simi_id, :simi_value
+  attr_accessible :name, :description, :homework_common_id, :user_id, :final_score, :teacher_score, :student_score, :teaching_asistant_score, :project_id, :is_test, :simi_id, :simi_value, :work_status
 
   belongs_to :homework_common
   belongs_to :user