diff --git a/app/controllers/exercises_controller.rb b/app/controllers/exercises_controller.rb
index d19de52c4..dd19c36d1 100644
--- a/app/controllers/exercises_controller.rb
+++ b/app/controllers/exercises_controller.rb
@@ -1291,39 +1291,30 @@ class ExercisesController < ApplicationController
           @page  = params[:page]  || 1
           @limit = params[:limit] || 20
           @exercise_users_list = @exercise_users_list.page(@page).per(@limit)
-          respond_to do |format|
-            format.json
-            format.xlsx{
-              if @user_course_identity > Course::ASSISTANT_PROFESSOR
-                tip_exception(403,"无权限操作")
-              else
-                if @export_ex_users.exercise_user_committed.size == 0
-                  normal_status(-1,"暂无用户提交")
-                else
-                  @exercise = @exercise.includes(:exercise_questions)
-                  @export_ex_users = @export_ex_users.includes(user: :user_extension)
-                  get_export_users(@exercise,@course,@export_ex_users)
-                  exercise_export_name =
-                      "#{current_user.real_name}_#{@course.name}_#{@exercise.exercise_name}_#{Time.now.strftime('%Y%m%d_%H%M%S')}"
-                  render xlsx: "#{exercise_export_name.strip.first(30)}",template: "exercises/exercise_lists.xlsx.axlsx",locals: {table_columns:@table_columns,exercise_users:@user_columns}
-                end
-              end
-            }
-          end
         else
           @exercise_users_list = []
+          @export_ex_users = @exercise_users_list
           @exercise_users_size = 0
-          respond_to do |format|
-            format.json
-            format.xlsx{
-              normal_status(-1,"暂无用户提交")
-            }
-            format.zip{
-              normal_status(-1,"暂无用户提交")
-            }
+        end
+
+        if params[:format] == "xlsx"
+          if @user_course_identity > Course::ASSISTANT_PROFESSOR
+            tip_exception(403,"无权限操作")
+          elsif (@exercise_users_size == 0) || ( @export_ex_users&.exercise_user_committed.size == 0)
+            normal_status(-1,"暂无用户提交")
+
           end
         end
 
+        respond_to do |format|
+          format.json
+          format.xlsx{
+            get_export_users(@exercise,@course,@export_ex_users)
+            exercise_export_name =
+                "#{current_user.real_name}_#{@course.name}_#{@exercise.exercise_name}_#{Time.now.strftime('%Y%m%d_%H%M%S')}"
+            render xlsx: "#{exercise_export_name.strip.first(30)}",template: "exercises/exercise_lists.xlsx.axlsx",locals: {table_columns:@table_columns,exercise_users:@user_columns}
+          }
+        end
       rescue Exception => e
         uid_logger_error(e.message)
         tip_exception("页面调用失败！")
diff --git a/app/controllers/graduation_tasks_controller.rb b/app/controllers/graduation_tasks_controller.rb
index 41ddb7659..1931c26a0 100644
--- a/app/controllers/graduation_tasks_controller.rb
+++ b/app/controllers/graduation_tasks_controller.rb
@@ -129,9 +129,13 @@ class GraduationTasksController < ApplicationController
           if @user_course_identity >= Course::STUDENT
             tip_exception(403, "无权限操作")
           else
-            graduation_work_to_xlsx(@work_excel,@task,current_user)
-            exercise_export_name = current_user.real_name + "_" + @course.name + "_" + @task.name + "_" + Time.now.strftime('%Y%m%d_%H%M%S')
-            render xlsx: "#{exercise_export_name.strip.first(30)}",template: "graduation_tasks/tasks_list.xlsx.axlsx",locals: {table_columns:@head_cells_column, task_users:@task_cells_column}
+            if @work_count > 1
+              graduation_work_to_xlsx(@work_excel,@task,current_user)
+              exercise_export_name = "#{current_user.real_name}_#{@course.name}_#{@task.name}_#{Time.now.strftime('%Y%m%d_%H%M%S')}"
+              render xlsx: "#{exercise_export_name.strip.first(30)}",template: "graduation_tasks/tasks_list.xlsx.axlsx",locals: {table_columns:@head_cells_column, task_users:@task_cells_column}
+            else
+              normal_status(-1,"暂无提交的学生！")
+            end
           end
         }
         format.zip{
diff --git a/app/controllers/homework_commons_controller.rb b/app/controllers/homework_commons_controller.rb
index b3953c7dd..89e301f93 100644
--- a/app/controllers/homework_commons_controller.rb
+++ b/app/controllers/homework_commons_controller.rb
@@ -206,8 +206,7 @@ class HomeworkCommonsController < ApplicationController
           if @user_course_identity >= Course::STUDENT
             tip_exception(403, "无权限操作")
           else
-            if @work_excel.present?
-              @homework = @homework.includes(:shixuns,:homework_detail_manual)
+            if @work_count > 1
               student_work_to_xlsx(@work_excel,@homework)
               exercise_export_name = current_user.real_name + "_" + @course.name + "_" + @homework.name + "_" + Time.now.strftime('%Y%m%d_%H%M%S')
 
diff --git a/app/controllers/polls_controller.rb b/app/controllers/polls_controller.rb
index 44cdc6512..7075ac0ef 100644
--- a/app/controllers/polls_controller.rb
+++ b/app/controllers/polls_controller.rb
@@ -927,23 +927,35 @@ class PollsController < ApplicationController
         @poll_export_questions = @poll_questions.order("question_number ASC")
 
         @poll_questions = @poll_questions.page(@page).per(@limit)
-        respond_to do |format|
-          format.json
-          format.xlsx{
-            if @user_course_identity > Course::ASSISTANT_PROFESSOR
-              tip_exception(403,"无权限操作")
-            elsif (@poll.polls_status == 1) || (@poll_export_questions.size == 0) || (@poll_commit_ids.size == 0)
-              normal_status(-1,"暂时没有提交的用户")
-            else
-              polls_export_name = "#{current_user.real_name}_#{@course.name}_#{@poll.polls_name}_#{Time.now.strftime('%Y%m%d_%H%M%S')}"
-              render xlsx: "#{polls_export_name.strip.first(30)}",template: "polls/commit_result.xlsx.axlsx",locals: {
-                  poll_questions:@poll_export_questions,
-                  poll:@poll,
-                  poll_users: @poll_users,
-                  poll_commit_ids:@poll_commit_ids}
+        if params[:format] == "xlsx"
+          if @user_course_identity > Course::ASSISTANT_PROFESSOR
+            tip_exception(403,"无权限操作")
+          elsif (@poll.polls_status == 1) || (@poll_export_questions.size == 0) || (@poll_commit_ids.size == 0)
+            normal_status(-1,"暂无用户提交")
+          else
+            respond_to do |format|
+              format.xlsx{
+                polls_export_name = "#{current_user.real_name}_#{@course.name}_#{@poll.polls_name}_#{Time.now.strftime('%Y%m%d_%H%M%S')}"
+                render xlsx: "#{polls_export_name.strip.first(30)}",template: "polls/commit_result.xlsx.axlsx",locals: {
+                    poll_questions:@poll_export_questions,
+                    poll:@poll,
+                    poll_users: @poll_users,
+                    poll_commit_ids:@poll_commit_ids}
+              }
             end
-          }
+          end
         end
+        # respond_to do |format|
+        #   format.json
+        #   format.xlsx{
+        #     polls_export_name = "#{current_user.real_name}_#{@course.name}_#{@poll.polls_name}_#{Time.now.strftime('%Y%m%d_%H%M%S')}"
+        #     render xlsx: "#{polls_export_name.strip.first(30)}",template: "polls/commit_result.xlsx.axlsx",locals: {
+        #         poll_questions:@poll_export_questions,
+        #         poll:@poll,
+        #         poll_users: @poll_users,
+        #         poll_commit_ids:@poll_commit_ids}
+        #   }
+        # end
       rescue Exception => e
         uid_logger_error(e.message)
         tip_exception("页面调用失败！")
diff --git a/app/controllers/shixuns_controller.rb b/app/controllers/shixuns_controller.rb
index 3a4592b2f..5a1773a10 100644
--- a/app/controllers/shixuns_controller.rb
+++ b/app/controllers/shixuns_controller.rb
@@ -203,6 +203,13 @@ class ShixunsController < ApplicationController
 						new_challenge.user_id = User.current.id
 						new_challenge.shixun_id = @new_shixun.id
 						new_challenge.save!
+						# 同步参考答案
+						challenge.challenge_answers.each do |answer|
+							new_answer = ChallengeAnswer.new
+							new_answer.attributes = answer.attributes.dup.except("id","challenge_id")
+							new_answer.challenge_id = new_challenge.id
+							new_answer.save!
+						end
 						if challenge.st == 0  # 评测题
 							# 同步测试集
 							if challenge.test_sets.present?
diff --git a/app/controllers/zips_controller.rb b/app/controllers/zips_controller.rb
index a70d4c332..984bef6d2 100644
--- a/app/controllers/zips_controller.rb
+++ b/app/controllers/zips_controller.rb
@@ -6,9 +6,11 @@ class ZipsController < ApplicationController
   before_action :require_admin_or_teacher
 
   def shixun_report
-    student_work_ids = Array.wrap(params[:student_work_ids])
+    # student_work_ids = Array.wrap(params[:student_work_ids])
+
+    # service = BatchExportShixunReportService.new(@homework, @student_work_ids)
+    service = BatchExportShixunReportService.new(@homework, @all_student_works)
 
-    service = BatchExportShixunReportService.new(@homework, student_work_ids)
 
     filename = filename_for_content_disposition(service.filename)
     send_file service.zip, filename: filename, type: 'application/zip'
@@ -47,9 +49,26 @@ class ZipsController < ApplicationController
           normal_status(-1,"试卷不存在")
         else
           @course = @exercise.course
-
           default_ex_users = @exercise.all_exercise_users(current_user.id).exercise_user_committed
           @ex_users =  default_ex_users   #仅导出已提交的，截止后则是全部为提交的。
+
+          #是否评阅
+          if params[:review].present?
+            review_type = params[:review].first.to_i  #已评，则数据为1，未评，则数据为0,前端传过来的为数组
+            if review_type == 1
+              @ex_users = @ex_users.where("subjective_score >= ?",0.0)
+            else
+              @ex_users = @ex_users.where("subjective_score < ?",0.0)
+            end
+          end
+
+          #答题状态的选择
+          if params[:commit_status].present? && (params[:commit_status].to_i == 1)
+            @exercise_users_list =  @exercise_users_list.where(commit_status:params[:commit_status])
+          elsif params[:commit_status].present? && (params[:commit_status].to_i == 0)
+            normal_status(-1,"仅支持导出已提交的学生！")
+          end
+
           #可以分班选择
           if group_id.present?
             exercise_students = @course.students.where(course_group_id: group_id)  # 试卷所分班的全部人数
@@ -57,9 +76,14 @@ class ZipsController < ApplicationController
             @ex_users = @ex_users.where(user_id: user_ids)
           end
 
-          default_ex_users_size = @ex_users.size
+          #搜索
+          if params[:search].present?
+            @ex_users = @ex_users.joins(user: :user_extension).where("CONCAT(lastname, firstname) like ? OR student_id like ?", "%#{params[:search]}%", "%#{params[:search]}%")
+          end
+
+          default_ex_users_size = @ex_users&.size
 
-          if default_ex_users_size == 0
+          if default_ex_users_size.blank? || default_ex_users_size == 0
             normal_status(-1,"导出失败,暂时没有已提交的学生")
           elsif default_ex_users_size > 100
             normal_status(-2,"100")
@@ -75,5 +99,33 @@ class ZipsController < ApplicationController
   def load_homework
     @homework = HomeworkCommon.find(params[:homework_common_id])
     @course   = @homework.course
+    ##7。2 -hs新增
+    @member = @course.course_member(current_user.id)
+    @all_student_works = @homework.teacher_works(@member)
+    work_status = params[:work_status]
+    group_id = params[:course_group]
+
+    if work_status.present? && !work_status.include?(0)
+      @all_student_works = @all_student_works.where(work_status:work_status)
+    elsif work_status.present? && work_status.include?(0)
+      normal_status(-1,"仅支持导出已提交的学生！")
+    end
+
+    if group_id.present?
+      group_user_ids = @course.students.where(course_group_id: params[:course_group]).pluck(:user_id)
+      @all_student_works = @all_student_works.where(user_id: group_user_ids)
+    end
+
+    unless params[:search].blank?
+      @all_student_works = @all_student_works.joins(user: :user_extension).where("concat(lastname, firstname) like ?
+                         or student_id like ?", "%#{params[:search]}%", "%#{params[:search]}%")
+    end
+
+    student_work_sizes = @all_student_works&.size
+    if student_work_sizes.blank? || student_work_sizes == 0
+      normal_status(-1,"导出失败,暂时没有已提交的学生")
+    elsif student_work_sizes > 100
+      normal_status(-2,"100")
+    end
   end
 end
diff --git a/app/services/batch_export_shixun_report_service.rb b/app/services/batch_export_shixun_report_service.rb
index 6ea38b23f..ebb273a87 100644
--- a/app/services/batch_export_shixun_report_service.rb
+++ b/app/services/batch_export_shixun_report_service.rb
@@ -3,11 +3,15 @@ class BatchExportShixunReportService
 
   MAX_BATCH_LIMIT = 20
 
-  attr_reader :homework, :student_work_ids
+  # attr_reader :homework, :student_work_ids
+  attr_reader :homework, :all_student_works
 
-  def initialize(homework, student_work_ids)
+
+  def initialize(homework, all_student_works)
     @homework         = homework
-    @student_work_ids = student_work_ids
+    # @student_work_ids = student_work_ids
+    @all_student_works = all_student_works
+
   end
 
   def filename
@@ -15,8 +19,8 @@ class BatchExportShixunReportService
   end
 
   def zip
-    validate!
-    student_works = homework.student_works.where(id: student_work_ids).includes(:myshixun, user: :user_extension)
+    # validate!
+    student_works = all_student_works.includes(:myshixun, user: :user_extension)
 
     if student_works.count.zero?
       raise Error, '请选择要导出的学生实训报告'
@@ -41,15 +45,15 @@ class BatchExportShixunReportService
     end
   end
 
-  private
-
-  def validate!
-    if student_work_ids.size.zero?
-      raise Error, '请选择学生实训作业'
-    end
-
-    if student_work_ids.size > MAX_BATCH_LIMIT
-      raise Error, '导出实训报告太多，请分批导出'
-    end
-  end
+  # private
+  #
+  # def validate!
+  #   if student_work_ids.size.zero?
+  #     raise Error, '请选择学生实训作业'
+  #   end
+  #
+  #   if student_work_ids.size > MAX_BATCH_LIMIT
+  #     raise Error, '导出实训报告太多，请分批导出'
+  #   end
+  # end
 end