diff --git a/app/controllers/homework_commons_controller.rb b/app/controllers/homework_commons_controller.rb
index 8fab8dad3..8e489df1b 100644
--- a/app/controllers/homework_commons_controller.rb
+++ b/app/controllers/homework_commons_controller.rb
@@ -1593,7 +1593,7 @@ class HomeworkCommonsController < ApplicationController
       homework_bank.max_num = homework.homework_detail_group.max_num
       homework_bank.base_on_project = homework.homework_detail_group.base_on_project
     end
-    homework.attachments.each do |attachment|
+    homework.attachments.where("attachtype != 2 and attachtype is null").each do |attachment|
       att = attachment.copy
       att.author_id = homework_bank.user_id
       att.copy_from = attachment.id
diff --git a/app/controllers/question_banks_controller.rb b/app/controllers/question_banks_controller.rb
index e30065d09..58fa7a8d4 100644
--- a/app/controllers/question_banks_controller.rb
+++ b/app/controllers/question_banks_controller.rb
@@ -147,21 +147,23 @@ class QuestionBanksController < ApplicationController
         new_homework.homework_detail_group.base_on_project = homework.base_on_project
       end
       # 附件
-      homework.attachments.try(:each) do |attachment|
-        att = attachment.copy
-        att.container_id = nil
-        att.container_type = nil
-        att.author_id = homework.user_id
-        att.copy_from = attachment.id
-        att.save
-        new_homework.attachments << att
-      end
-
-      if new_homework.save
+      logger.info("######attachments: #{homework.attachments.count}")
+      if new_homework.save!
+        homework.attachments.try(:each) do |attachment|
+          att = attachment.copy
+          att.container_id = nil
+          att.container_type = nil
+          att.author_id = homework.user_id
+          att.attachtype = 1
+          att.copy_from = attachment.id
+          att.save!
+          new_homework.attachments << att
+        end
+        logger.info("######new_homework.attachments: #{new_homework.attachments.count}")
         new_homework_detail_manual.save if new_homework_detail_manual
         new_homework.homework_detail_group.save if new_homework.homework_detail_group
         HomeworksService.new.create_works_list(new_homework, course)
-        homework.update_column(:quotes, homework.quotes+1)
+        homework.update_column(:quotes, homework.quotes + 1)
       end
       new_homework
     end
diff --git a/public/images/educoder/beian.png b/public/images/educoder/beian.png
new file mode 100755
index 000000000..9f763946d
Binary files /dev/null and b/public/images/educoder/beian.png differ
diff --git a/public/react/src/modules/courses/busyWork/CommonWorkSetting.js b/public/react/src/modules/courses/busyWork/CommonWorkSetting.js
index dbae81411..8d752707c 100644
--- a/public/react/src/modules/courses/busyWork/CommonWorkSetting.js
+++ b/public/react/src/modules/courses/busyWork/CommonWorkSetting.js
@@ -715,18 +715,18 @@ class CommonWorkSetting extends Component{
       course_id ,
       unified_setting: unified_setting,      // 统一设置
       group_settings: group_settings_param,
-      publish_time: temp_publish_time,      // 发布
-      end_time: temp_end_time,              // 截止
+      publish_time: new Date(temp_publish_time),      // 发布
+      end_time: new Date(temp_end_time),              // 截止
       late_penalty: late_penalty,           // 迟交扣分
       allow_late: allow_late,       // 是否允许补交
-      late_time: late_time,         // 补交截止时间
+      late_time: new Date(late_time),         // 补交截止时间
       anonymous_comment: anonymous_comment,   // true: 启用匿评 false:未启用匿评
-      evaluation_start: evaluation_start, //匿评开始时间
+      evaluation_start: new Date(evaluation_start), //匿评开始时间
       evaluation_end: evaluation_end,
       evaluation_num: evaluation_num,     //	匿评数
       absence_penalty: absence_penalty,   // 匿评扣分
       anonymous_appeal: anonymous_appeal, // true: 启用匿评申诉, false:未启用
-      appeal_time: appeal_time,   // 申诉结束时间
+      appeal_time: new Date(appeal_time),   // 申诉结束时间
       appeal_penalty: appeal_penalty, //	违规匿评扣分  
       ta_mode: ta_mode,  // 1:普通模式 0:复审模式
       final_mode: final_mode,  // true: 单项评分优先， false: 多项评分配比