diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index ccf52049c..15e795bdb 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -330,7 +330,7 @@ class ApplicationController < ActionController::Base
 		end
 
 		if !User.current.logged? && Rails.env.development?
-			User.current = User.find 8825
+			User.current = User.find 1
 		end
 
 
diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index 48f644a14..46ac514b4 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -99,7 +99,7 @@ class CoursesController < ApplicationController
     limit = params[:limit] || 16
 
     @courses = @courses.page(page).per(limit)
-    @courses = @courses.preload(:school, :none_hidden_course_modules, :teacher_users, teacher: :user_extension)
+    @courses = @courses.preload(:school, :none_hidden_course_modules, teacher: :user_extension)
   end
 
   def course_videos
diff --git a/app/controllers/weapps/courses_controller.rb b/app/controllers/weapps/courses_controller.rb
index 2a375a7fb..3a1b22cc4 100644
--- a/app/controllers/weapps/courses_controller.rb
+++ b/app/controllers/weapps/courses_controller.rb
@@ -76,6 +76,7 @@ class Weapps::CoursesController < Weapps::BaseController
   def show
     @course = current_course
     @current_user = current_user
+    @teacher_users =  @course.teacher_users.where.not(id: @course.tea_id).map(&:real_name)[0..2]
   end
 
   def shixun_homework_category
diff --git a/app/controllers/weapps/homes_controller.rb b/app/controllers/weapps/homes_controller.rb
index e53923fa8..3e94354a2 100644
--- a/app/controllers/weapps/homes_controller.rb
+++ b/app/controllers/weapps/homes_controller.rb
@@ -19,7 +19,7 @@ class Weapps::HomesController < Weapps::BaseController
     @courses = @courses.where(id: current_laboratory.all_courses)
     @course_count = @courses.count
     order_str = "course_members.sticky=1 desc, course_members.sticky_time desc, courses.created_at desc"
-    @courses = paginate(@courses.order(order_str).includes(:teacher, :school))
+    @courses = paginate(@courses.order(order_str).includes(:teacher_users, :teacher, :school))
     @user = current_user
   end
 end
\ No newline at end of file
diff --git a/app/views/courses/index.json.jbuilder b/app/views/courses/index.json.jbuilder
index a8b70c435..f9bceebb8 100644
--- a/app/views/courses/index.json.jbuilder
+++ b/app/views/courses/index.json.jbuilder
@@ -13,6 +13,5 @@ json.courses @courses do |course|
     json.is_end course.is_end
     json.first_category_url module_url(course.none_hidden_course_modules.first, course)
     json.excellent course.excellent
-    json.teacher_users course.teacher_users.select{|u| u.id != course.tea_id }.map(&:real_name)[0..2] # 取前3名老师
 end
 json.courses_count @courses_count
diff --git a/app/views/weapps/courses/show.json.jbuilder b/app/views/weapps/courses/show.json.jbuilder
index c22b24426..cf58315b4 100644
--- a/app/views/weapps/courses/show.json.jbuilder
+++ b/app/views/weapps/courses/show.json.jbuilder
@@ -1,4 +1,5 @@
 json.(@course, :id, :name, :course_members_count, :credit, :invite_code_halt)
 json.teachers_count @course.teachers.count
 json.students_count @course.students.count
-json.course_identity @current_user.course_identity(@course)
\ No newline at end of file
+json.course_identity @current_user.course_identity(@course)
+json.teacher_users @teacher_users
\ No newline at end of file
diff --git a/app/views/weapps/homes/show.json.jbuilder b/app/views/weapps/homes/show.json.jbuilder
index f307d64fe..5d0e35e05 100644
--- a/app/views/weapps/homes/show.json.jbuilder
+++ b/app/views/weapps/homes/show.json.jbuilder
@@ -26,5 +26,6 @@ json.courses @courses.each do |course|
   course_member = @category == "study" ? course.students.where(user_id: @user.id).first : course.teachers.where(user_id: @user.id).first
   json.sticky course_member.sticky
   json.course_identity current_user.course_identity(course)
+  json.teacher_users course.teacher_users.select{|u| u.id != course.tea_id }.map(&:real_name)[0..2] # 取前3名老师
 end
 
diff --git a/public/react/src/modules/courses/Video/video-play/index.jsx b/public/react/src/modules/courses/Video/video-play/index.jsx
index e33439dcf..b3d20fd8e 100644
--- a/public/react/src/modules/courses/Video/video-play/index.jsx
+++ b/public/react/src/modules/courses/Video/video-play/index.jsx
@@ -44,7 +44,9 @@ export default ({ src, videoId, logWatchHistory, courseId = null }) => {
   let pos = []//播放时间点集
 
   const log = useCallback((callback, isEnd = false) => {
-    let params = {}
+    let params = {
+      point: el.currentTime.currentTime
+    }
     if (logId) {
       params['log_id'] = logId
       params['watch_duration'] = getTotalEffectTime(pos) //当前观看视频时长，拖放进度条，重复的视频片段观看时，不会把重复的时长累积进来，最大时长是视频的总时长
@@ -137,7 +139,7 @@ export default ({ src, videoId, logWatchHistory, courseId = null }) => {
               log()
             }
           }
-        }else {
+        } else {
           lastUpdatedTime = newTime
         }
       }
@@ -177,7 +179,7 @@ export default ({ src, videoId, logWatchHistory, courseId = null }) => {
       el.current.removeEventListener('seeking', onSeeking)
       el.current.removeEventListener('seeked', onSeeked)
       el.current.removeEventListener('timeupdate', onTimeupdate)
-      if(el.current.playing) {
+      if (el.current.playing) {
         log()
       }
     }