fix 老师端视频统计

app/controllers/course_videos_controller.rb

@@ -35,7 +35,7 @@ class CourseVideosController < ApplicationController
       @watch_course_videos = @watch_course_videos.where("course_members.course_group_id = ?", params[:group_id])
     end
 
-    @watch_course_videos = @watch_course_videos.select("count(watch_course_videos.course_video_id) AS freq, watch_course_videos.*")
+    @watch_course_videos = @watch_course_videos.select("count(watch_course_videos.course_video_id) AS freq, watch_course_videos.id, watch_course_videos.user_id, watch_course_videos.start_at, watch_course_videos.end_at, watch_course_videos.is_finished, watch_course_videos.total_duration")
 
     if params[:order].present?
       key = params[:order].split("-")

app/views/course_videos/watch_histories.json.jbuilder

@@ -1,5 +1,6 @@
 json.data do
   json.array! @watch_course_videos do |d|
+    json.id d.id
     json.user_name d.user&.real_name
     json.is_finished d.is_finished ? true : false
     json.total_duration d.total_duration.round(0)