diff --git a/app/controllers/homework_commons_controller.rb b/app/controllers/homework_commons_controller.rb
index 22e7636c4..363e5780d 100644
--- a/app/controllers/homework_commons_controller.rb
+++ b/app/controllers/homework_commons_controller.rb
@@ -1045,7 +1045,7 @@ class HomeworkCommonsController < ApplicationController
   def end_homework
     tip_exception("请至少选择一个分班") if params[:group_ids].blank? && @course.course_groups.size != 0
 
-    time = Time.now.strftime("%Y-%m-%d %H:%M:%S")
+    time = Time.now
 
     # 已发布且未截止的作业才能立即截止
 
@@ -1086,7 +1086,7 @@ class HomeworkCommonsController < ApplicationController
             homework.end_time = time
           end
 
-          homework_detail_manual.update_attributes!(comment_status: 2) if homework.end_time <= time
+          # homework_detail_manual.update_attributes!(comment_status: 2) if homework.end_time <= time
 
           # 实训作业的作品需要计算是否迟交
           if homework.homework_type == "practice"
diff --git a/app/queries/optional_item_query.rb b/app/queries/optional_item_query.rb
index 54cd0eed0..61ebf8b69 100644
--- a/app/queries/optional_item_query.rb
+++ b/app/queries/optional_item_query.rb
@@ -22,14 +22,16 @@ class OptionalItemQuery < ApplicationQuery
       items = ItemBank.where(container_id: hacks.pluck(:id), container_type: "Hack").or(ItemBank.where(id: items.pluck(:id)))
     end
 
-    # 来源
     public = source.present? ? source.to_i : 1
-    public = public == 2 ? [0, 1] : public
-    items = items.where(public: public)
+    if public == 1
+      items = items.where(public: 1)
+    elsif public == 0
+      items = items.where(user_id: User.current.id)
+    end
 
     # 难度
-    difficulty = difficulty ? difficulty.to_i : 1
-    items = items.where(difficulty: difficulty)
+    diff = difficulty ? difficulty.to_i : 1
+    items = items.where(difficulty: diff)
     items
   end
 end
\ No newline at end of file
diff --git a/app/services/update_homework_publish_setting_service.rb b/app/services/update_homework_publish_setting_service.rb
index 61902cd80..431246563 100644
--- a/app/services/update_homework_publish_setting_service.rb
+++ b/app/services/update_homework_publish_setting_service.rb
@@ -73,9 +73,11 @@ class UpdateHomeworkPublishSettingService < ApplicationService
 
       # 作业在"提交中"状态时
     else
-      if homework.end_time > Time.now && homework.unified_setting
+      # 实训作业截止时间已过也可修改截止时间，其他作业暂不支持修改
+      if (homework.homework_type == "practice" || homework.end_time > Time.now) && homework.unified_setting
         tip_exception("截止时间不能为空") if params[:end_time].blank?
-        tip_exception("截止时间不能早于当前时间") if params[:end_time].to_time <= Time.now
+        tip_exception("截止时间必须晚于发布时间") if params[:publish_time].to_time >= homework.publish_time
+        # tip_exception("截止时间不能早于当前时间") if params[:end_time].to_time <= Time.now
         tip_exception("截止时间不能晚于课堂结束时间（#{course.end_date.end_of_day.strftime("%Y-%m-%d %H:%M")}）") if
           course.end_date.present? && params[:end_time].to_time > course.end_date.end_of_day
 
@@ -93,19 +95,29 @@ class UpdateHomeworkPublishSettingService < ApplicationService
           # 如果该发布规则 没有已发布的分班则需判断发布时间
           tip_exception("发布时间不能早于等于当前时间") if setting[:publish_time].to_time <= Time.now && group_settings.group_published.count == 0
 
-          tip_exception("截止时间不能早于等于当前时间") if setting[:end_time].to_time <= Time.now && group_settings.none_end.count > 0
+          # tip_exception("截止时间不能早于等于当前时间") if setting[:end_time].to_time <= Time.now && group_settings.none_end.count > 0
           tip_exception("截止时间不能早于发布时间") if setting[:publish_time].to_time > setting[:end_time].to_time
           tip_exception("截止时间不能晚于课堂结束时间（#{course.end_date.end_of_day.strftime("%Y-%m-%d %H:%M")}）") if
             course.end_date.present? && setting[:end_time].to_time > course.end_date.end_of_day
 
           group_settings.none_published.update_all(publish_time: setting[:publish_time])
-          group_settings.none_end.update_all(end_time: setting[:end_time])
+          # 实训作业截止时间已过也可修改截止时间，其他作业暂不支持修改
+          if homework.homework_type == "practice"
+            group_settings.update_all(end_time: setting[:end_time])
+          else
+            group_settings.none_end.update_all(end_time: setting[:end_time])
+          end
         end
 
         homework.end_time = homework.max_group_end_time
       end
     end
+    if homework.end_time > Time.now && homework.homework_detail_manual.try(:comment_status) > 1
+      homework.homework_detail_manual.update_attributes!(comment_status: 1)
+    end
+
     homework.save!
+    UpdateShixunWorkScoreJob.perform_later(homework.id)
     HomeworkCommonPushNotifyJob.perform_later(homework.id, publish_group_ids) if send_tiding
   end
 
diff --git a/lib/tasks/homework_publishtime.rake b/lib/tasks/homework_publishtime.rake
index a57b97eab..6ba4d7bba 100644
--- a/lib/tasks/homework_publishtime.rake
+++ b/lib/tasks/homework_publishtime.rake
@@ -66,7 +66,7 @@ namespace :homework_publishtime do
                            .where("homework_type = 4 and end_time <= '#{Time.now}'")
     homework_commons.each do |homework|
       # homework_challenge_settings = homework.homework_challenge_settings
-      homework.homework_detail_manual.update_column("comment_status", 2)
+      # homework.homework_detail_manual.update_column("comment_status", 2)
 
       if homework.allow_late
         if homework.unified_setting
diff --git a/public/react/src/modules/courses/poll/PollDetailTabForthRules.js b/public/react/src/modules/courses/poll/PollDetailTabForthRules.js
index 26c641248..884f93b24 100644
--- a/public/react/src/modules/courses/poll/PollDetailTabForthRules.js
+++ b/public/react/src/modules/courses/poll/PollDetailTabForthRules.js
@@ -463,7 +463,7 @@ class PollDetailTabForthRules extends Component{
 											disabledTime={disabledDateTime}
 											disabledDate={disabledDate}
 											disabled={
-                        this.props.isAdmin()===true?this.props.type==="Shixun"?false:
+                        this.props.isAdmin()===true?this.props.type==="Shixun"?!flagPageEdit:
 										    this.props.type==="Exercise"||this.props.type==="polls"?
 											  rule.e_timeflag === undefined ? rule.publish_time === null ? false : moment(rule.end_time, dataformat) <= moment() ?this.props.isAdmin()?!flagPageEdit: true : !flagPageEdit : rule.e_timeflag == true ? this.props.isAdmin()?!flagPageEdit :true : !flagPageEdit:
                           rule.e_timeflag === undefined ? rule.publish_time === null ? false : moment(rule.end_time, dataformat) <= moment() ? true : !flagPageEdit : rule.e_timeflag == true ? true : !flagPageEdit:true
diff --git a/public/react/src/modules/paths/statics/index.js b/public/react/src/modules/paths/statics/index.js
index d8e222d02..03a57d665 100644
--- a/public/react/src/modules/paths/statics/index.js
+++ b/public/react/src/modules/paths/statics/index.js
@@ -64,6 +64,7 @@ const App = (props) => {
       width:150,
       dataIndex: 'student_count',
       align: 'center',
+      defaultSortOrder: 'descend',
       sorter: (a, b) => a.student_count - b.student_count,
       // sorter: (a, b) => a.age - b.age
     },
@@ -183,6 +184,7 @@ const App = (props) => {
       align: 'center',
       with: 130,
       render: (val) => val + '',
+      defaultSortOrder: 'descend',
       sorter: (a, b) => a.passed_games_count - b.passed_games_count
     },
     {