diff --git a/app/controllers/colleges_controller.rb b/app/controllers/colleges_controller.rb
index 4c33ad5e5..71009d2dd 100644
--- a/app/controllers/colleges_controller.rb
+++ b/app/controllers/colleges_controller.rb
@@ -1,7 +1,7 @@
 class CollegesController < ApplicationController
   include PaginateHelper
 
-  layout 'college'
+  # layout 'college'
 
   before_action :require_login
   before_action :check_college_present!
@@ -21,6 +21,7 @@ class CollegesController < ApplicationController
     # 实训总数
     @shixuns_count = Shixun.visible.joins('left join user_extensions on user_extensions.user_id = shixuns.user_id')
                        .where(user_extensions: { school_id: current_school.id }).count
+    render json: { teachers_count: @teachers_count, students_count: @students_count, courses_count: @courses_count, shixuns_count: @shixuns_count }
   end
 
   def shixun_time
@@ -43,6 +44,8 @@ class CollegesController < ApplicationController
                                 (SELECT count(c.id) FROM courses c, course_members m WHERE c.id != 1309 and m.course_id = c.id AND m.user_id=users.id AND m.role in (1,2,3) and c.school_id = #{current_school.id} AND c.is_delete = 0) as course_count
                                 FROM `users`, user_extensions ue where ue.school_id=#{current_school.id} and users.id=ue.user_id and ue.identity=0 ORDER BY publish_shixun_count desc, course_count desc, id desc LIMIT 10")
     # ).order("publish_shixun_count desc, experience desc").limit(10)
+    @teacher_count = UserExtension.where(school_id: current_school.id)
+                       .select('SUM(IF(identity=0, 1, 0)) AS teachers_count').first.teachers_count
     @teachers =
       @teachers.map do |teacher|
         course_ids = Course.find_by_sql("SELECT c.id FROM courses c, course_members m WHERE c.id != 1309 and m.course_id = c.id AND m.role in (1,2,3) AND m.user_id=#{teacher.id} AND c.is_delete = 0 and c.school_id = #{current_school.id}")
@@ -94,11 +97,11 @@ class CollegesController < ApplicationController
   def course_statistics
     courses = Course.where(school_id: current_school.id, is_delete: 0).where.not(id: 1309)
 
+    @course_count = courses.size
     courses = courses.left_joins(practice_homeworks: { student_works: { myshixun: :games } })
                 .select('courses.id, courses.name, courses.is_end, sum(games.evaluate_count) evaluating_count')
                 .group('courses.id').order('is_end asc, evaluating_count desc')
 
-    params[:per_page] = 8
     @courses = paginate courses
 
     course_ids = @courses.map(&:id)
@@ -114,6 +117,7 @@ class CollegesController < ApplicationController
 
   # 学生实训
   def student_shixun
+    @student_count = User.joins(:user_extension).where(user_extensions: { school_id: current_school.id, identity: 1 }).count
     @students = User.joins(:user_extension).where(user_extensions: { school_id: current_school.id, identity: 1 }).includes(:user_extension).order('experience desc').limit(10)
 
     student_ids = @students.map(&:id)
diff --git a/app/helpers/export_helper.rb b/app/helpers/export_helper.rb
index 47d3bd7b9..ca76ee953 100644
--- a/app/helpers/export_helper.rb
+++ b/app/helpers/export_helper.rb
@@ -483,7 +483,7 @@ module ExportHelper
           w_14 = nil
         end
         w_15 = w.work_score.nil? ? "--" : w.work_score.round(1)
-        w_16 = w.update_time ? format_time(w.update_time) : "--"  "更新时间"
+        w_16 = w.update_time ? format_time(w.update_time) : "--"
         myshixun_complete = myshixun && myshixun.status == 1
         w_17 = myshixun_complete && w.cost_time ? (game_spend_time w.cost_time) : "未完成"
         teacher_comment = w.shixun_work_comments.select{|comment| comment.challenge_id == 0}.first
diff --git a/app/views/colleges/course_statistics.json.jbuilder b/app/views/colleges/course_statistics.json.jbuilder
new file mode 100644
index 000000000..fcc83177a
--- /dev/null
+++ b/app/views/colleges/course_statistics.json.jbuilder
@@ -0,0 +1,11 @@
+json.courses @courses do |course|
+  json.(course, :id, :name, :is_end, :evaluating_count)
+  json.teachers course.teacher_users.map(&:real_name).join('、')
+  json.student_count @student_count.fetch(course.id, 0)
+  json.shixun_work_count @shixun_work_count.fetch(course.id, 0)
+  json.attachment_count @attachment_count.fetch(course.id, 0)
+  json.message_count @message_count.fetch(course.id, 0)
+  json.other_work_count @exercise_count.fetch(course.id, 0) + @poll_count.fetch(course.id, 0) + @other_work_count.fetch(course.id, 0)
+  json.activity_time @active_time[course.id]&.strftime('%Y-%m-%d %H:%M')
+end
+json.course_count @course_count
\ No newline at end of file
diff --git a/app/views/colleges/student_shixun.json.jbuilder b/app/views/colleges/student_shixun.json.jbuilder
new file mode 100644
index 000000000..431603afa
--- /dev/null
+++ b/app/views/colleges/student_shixun.json.jbuilder
@@ -0,0 +1,10 @@
+json.teachers @students do |student|
+  json.login student.login
+  json.name student.real_name
+  json.student_id student.student_id
+  json.shixun_count @shixun_count.fetch(student.id, 0)
+  json.study_shixun_count @study_shixun_count.fetch(student.id, 0)
+  json.grade student.grade
+  json.experience student.experience
+end
+json.student_count @student_count
\ No newline at end of file
diff --git a/app/views/colleges/teachers.json.jbuilder b/app/views/colleges/teachers.json.jbuilder
new file mode 100644
index 000000000..29b383fa4
--- /dev/null
+++ b/app/views/colleges/teachers.json.jbuilder
@@ -0,0 +1,11 @@
+json.teachers @teachers do |teacher|
+  json.login teacher['login']
+  json.name teacher['real_name']
+  json.course_count teacher['course_count']
+  json.shixun_work_count teacher['shixun_work_count']
+  json.un_shixun_work_count teacher['un_shixun_work_count']
+  json.student_count teacher['student_count']
+  json.complete_rate teacher['complete_rate']
+  json.publish_shixun_count teacher['publish_shixun_count']
+end
+json.teacher_count @teacher_count
\ No newline at end of file
diff --git a/config/routes.rb b/config/routes.rb
index 2ef60b45f..e15b216ce 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -977,6 +977,19 @@ Rails.application.routes.draw do
         post :entry
       end
     end
+
+    resources :colleges, only: [] do
+      member do
+        get :statistics
+        get :course_statistics
+        get :student_shixun
+        get :shixun_time
+        get :shixun_report_count
+        get :teachers
+        get :shixun_chart_data
+        get :student_hot_evaluations
+      end
+    end
   end
 
   namespace :admins do
@@ -1287,19 +1300,6 @@ Rails.application.routes.draw do
     end
   end
 
-  resources :colleges, only: [] do
-    member do
-      get :statistics
-      get :course_statistics
-      get :student_shixun
-      get :shixun_time
-      get :shixun_report_count
-      get :teachers
-      get :shixun_chart_data
-      get :student_hot_evaluations
-    end
-  end
-
   resources :partners, only: [] do
     member do
       get :customers
diff --git a/public/react/src/modules/courses/poll/PollNew.js b/public/react/src/modules/courses/poll/PollNew.js
index 8740a9bbf..3b50695e8 100644
--- a/public/react/src/modules/courses/poll/PollNew.js
+++ b/public/react/src/modules/courses/poll/PollNew.js
@@ -866,6 +866,7 @@ class PollNew extends Component {
 		let newarr = [...arr];
 		newarr.splice(indexo, 1);
 		if(bool === true) {
+			console.log("shangchu1");
 			this.setState({
 				adddom: newarr,
 				q_countst: 0,
@@ -878,6 +879,8 @@ class PollNew extends Component {
 			})
 
 		}else{
+			console.log("shangchu2");
+
 			this.setState({
 				adddom: newarr,
 				q_countst: 0,
@@ -1416,6 +1419,7 @@ class PollNew extends Component {
 
 		}
 		if(bool === true){
+			console.log("tianjiadao1");
 			this.setState({
 				q_countst: 1,
 				bindingid:undefined,
@@ -1423,6 +1427,7 @@ class PollNew extends Component {
 				newoption: false,
 			})
 		}else {
+			console.log("tianjiadao2");
 			this.setState({
 				q_countst: 1,
 				Newdisplay:false,
@@ -2018,6 +2023,7 @@ class PollNew extends Component {
 				if (result.data.status === 0) {
 					this.props.showNotification(`已完成`);
 					thiss.thisinitializationdatanew();
+					console.log("已完成了了了1");
 					this.setState({
 						Newdisplay:false,
 						newoption: false,
@@ -2109,6 +2115,7 @@ class PollNew extends Component {
 		axios.put(url,datay).then((result) => {
 			try {
 				if (result.data.status === 0) {
+					console.log("编辑题目成功1");
 					this.props.showNotification(`编辑题目成功`);
 					thiss.thisinitializationdatanew();
 					this.setState({
@@ -3609,7 +3616,7 @@ class PollNew extends Component {
 							{
 								this.state.Newdisplay === true?
 									<div>
-										{this.state.adddom === undefined ? "" : this.state.adddom.map((itemo, indexo) => {
+										{this.state.adddom === undefined ? "publishtimeids123123" : this.state.adddom.map((itemo, indexo) => {
 											// console.log('打印this.state.adddom')
 											// console.log(this.state.adddom);
 											let arrid = itemo.question.id;