diff --git a/app/controllers/graduation_tasks_controller.rb b/app/controllers/graduation_tasks_controller.rb
index a518ac954..aebd8b092 100644
--- a/app/controllers/graduation_tasks_controller.rb
+++ b/app/controllers/graduation_tasks_controller.rb
@@ -125,15 +125,19 @@ class GraduationTasksController < ApplicationController
       @work_list = @work_list.page(page).per(limit)
 
       if params[:format] == "xlsx"
+        complete_works = @work_excel.where("work_status > 0").size
         if @user_course_identity >= Course::STUDENT
           tip_exception(403, "无权限操作")
-        elsif @work_count == 0
+        elsif complete_works == 0
           normal_status(-1,"暂无提交的学生！")
         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}
+          respond_to do |format|
+            format.xlsx{
+              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}
+            }
+          end
         end
       elsif params[:format] == "zip"
         if @user_course_identity >= Course::STUDENT
@@ -142,46 +146,18 @@ class GraduationTasksController < ApplicationController
           zip_works = @work_excel.where("work_status > 0")
           status = checkfileSize(zip_works)
           if status == 0
-            zipfile = zip_homework_common @task, zip_works
-            file = decode64(zipfile[0][:base64file])
-            send_file "#{OUTPUT_FOLDER}/#{file}", filename: filename_for_content_disposition(file), type: 'application/zip'
+            respond_to do |format|
+              format.zip{
+                zipfile = zip_homework_common @task, zip_works
+                file = decode64(zipfile[0][:base64file])
+                send_file "#{OUTPUT_FOLDER}/#{file}", filename: filename_for_content_disposition(file), type: 'application/zip'
+              }
+            end
           else
             tip_exception(status == -2 ? "500M" : "无附件可下载")
           end
         end
       end
-      #
-      # respond_to do |format|
-      #   format.json
-      #   format.xlsx{
-      #     if @user_course_identity >= Course::STUDENT
-      #       tip_exception(403, "无权限操作")
-      #     else
-      #       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{
-      #     if @user_course_identity >= Course::STUDENT
-      #       tip_exception(403, "无权限操作")
-      #     else
-      #       zip_works = @work_excel.where("work_status > 0")
-      #       status = checkfileSize(zip_works)
-      #       if status == 0
-      #         zipfile = zip_homework_common @task, zip_works
-      #         file = decode64(zipfile[0][:base64file])
-      #         send_file "#{OUTPUT_FOLDER}/#{file}", filename: filename_for_content_disposition(file), type: 'application/zip'
-      #       else
-      #         tip_exception(status == -2 ? "500" : "无附件可下载")
-      #       end
-      #     end
-      #   }
-      # end
     else
       @work_list = @work
       @view_work = false
@@ -190,15 +166,6 @@ class GraduationTasksController < ApplicationController
       if params[:format] == "xlsx" || params[:format] == "zip"
         normal_status(-1,"作业未发布")
       end
-      # respond_to do |format|
-      #   format.json
-      #   format.xlsx{
-      #     normal_status(-1,"作业未发布")
-      #   }
-      #   format.zip{
-      #     normal_status(-1,"作业未发布")
-      #   }
-      # end
     end
   end
 
diff --git a/app/controllers/graduation_topics_controller.rb b/app/controllers/graduation_topics_controller.rb
index 2c9132520..b20b767a4 100644
--- a/app/controllers/graduation_topics_controller.rb
+++ b/app/controllers/graduation_topics_controller.rb
@@ -266,11 +266,16 @@ class GraduationTopicsController < ApplicationController
 
   # 导出功能
   def export
-    course = @course
-    students = course.students.joins(user: :user_extension).order("user_extensions.student_id")
-    graduation_topic_to_xlsx(students,course)
-    exercise_export_name = "#{current_user.real_name}_#{course.name}_毕设选题_#{Time.now.strftime('%Y%m%d_%H%M%S')}"
-    render xlsx: "#{exercise_export_name.strip.first(30)}",template: "graduation_topics/export.xlsx.axlsx",locals: {table_columns:@topic_head_cells,topic_users:@topic_body_cells}
+    begin
+      course = @course
+      students = course.students.joins(user: :user_extension).order("user_extensions.student_id")
+      graduation_topic_to_xlsx(students,course)
+      exercise_export_name = "#{current_user.real_name}_#{course.name}_毕设选题_#{Time.now.strftime('%Y%m%d_%H%M%S')}"
+      render xlsx: "#{exercise_export_name.strip.first(30)}",template: "graduation_topics/export.xlsx.axlsx",locals: {table_columns:@topic_head_cells,topic_users:@topic_body_cells}
+    rescue Exception => e
+      uid_logger(e.message)
+      missing_template
+    end
   end
 
   private
diff --git a/app/controllers/homework_commons_controller.rb b/app/controllers/homework_commons_controller.rb
index 50ec4f7db..2d52b6aa0 100644
--- a/app/controllers/homework_commons_controller.rb
+++ b/app/controllers/homework_commons_controller.rb
@@ -108,14 +108,8 @@ class HomeworkCommonsController < ApplicationController
     @all_member_count = student_works.size
     if @homework.publish_time.nil? || @homework.publish_time > Time.now
       @student_works = []
-      respond_to do |format|
-        format.json
-        format.xlsx{
-          normal_status(-1,"作业未发布")
-        }
-        format.zip{
-          normal_status(-1,"作业未发布")
-        }
+      if params[:format] == "xlsx" || params[:format] == "zip"
+        normal_status(-1,"作业未发布")
       end
     else
       if @user_course_identity == Course::STUDENT
@@ -202,10 +196,10 @@ class HomeworkCommonsController < ApplicationController
       end
 
       if params[:format] == "xlsx"
-        logger.info("#########______@work_count_________#######{@work_count}")
+        complete_works = @work_excel.where("work_status > 0").size
         if @user_course_identity >= Course::STUDENT
           tip_exception(403, "无权限操作")
-        elsif @work_count == 0
+        elsif complete_works == 0
           normal_status(-1,"暂无提交的学生！")
         else
           respond_to do |format|
@@ -217,7 +211,6 @@ class HomeworkCommonsController < ApplicationController
                   {table_columns: @work_head_cells,task_users: @work_cells_column}
             }
           end
-
         end
       elsif params[:format] == "zip"
         if @user_course_identity >= Course::STUDENT
@@ -238,40 +231,6 @@ class HomeworkCommonsController < ApplicationController
           end
         end
       end
-      # respond_to do |format|
-      #   format.json
-      #   format.xlsx{
-      #     if @user_course_identity >= Course::STUDENT
-      #       tip_exception(403, "无权限操作")
-      #     else
-      #       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')
-      #
-      #         render xlsx: "#{exercise_export_name.strip.first(30)}",template: "homework_commons/works_list.xlsx.axlsx",locals:
-      #             {table_columns: @work_head_cells,task_users: @work_cells_column}
-      #       else
-      #         normal_status(-1,"暂无提交的学生！")
-      #       end
-      #
-      #     end
-      #   }
-      #   format.zip{
-      #     if @user_course_identity >= Course::STUDENT
-      #       tip_exception(403, "无权限操作")
-      #     else
-      #       zip_works = @work_excel.where("work_status > 0")
-      #       status = checkfileSize(zip_works)
-      #       if status == 0
-      #         zipfile = zip_homework_common @homework, zip_works
-      #         file = decode64(zipfile[0][:base64file])
-      #         send_file "#{OUTPUT_FOLDER}/#{file}", filename: filename_for_content_disposition(file), type: 'application/zip'
-      #       else
-      #         tip_exception(status == -2 ? "500M" : "无附件可下载")
-      #       end
-      #     end
-      #   }
-      # end
     end
   end
 
diff --git a/app/helpers/export_helper.rb b/app/helpers/export_helper.rb
index edb2b7e74..a23cb8a65 100644
--- a/app/helpers/export_helper.rb
+++ b/app/helpers/export_helper.rb
@@ -217,7 +217,16 @@ module ExportHelper
       else
         w_6 = nil
       end
-      w_7 = work.work_status
+      w_status = work.work_status.to_i
+      if w_status == 0
+        w_7 = "未提交"
+      elsif w_status == 1
+        w_7 = "按时提交"
+      elsif w_status == 2
+        w_7 = "延时提交"
+      else
+        w_7 = "--"
+      end
       if task_project_boolean  #关联项目
         w_project = project_info work, current_user, @user_course_identity   #因为课堂引用了export_helper
         w_8 = w_project[:name]