fix 课程视频时长

app/services/create_watch_video_service.rb

@@ -38,9 +38,9 @@ class CreateWatchVideoService < ApplicationService
         end
       else
         # 开始播放时记录一次
-        if params[:course_video_id].present?
+        if params[:course_id].present?
           # 课堂视频
-          course_video = CourseVideo.find(params[:course_video_id])
+          course_video = CourseVideo.find_by(video_id: params[:video_id], course_id: params[:course_id])
           watch_course_video = WatchCourseVideo.find_or_initialize_by(course_video_id: course_video.id, user_id: user.id) do |d|
             d.start_at = current_time
             d.duration = params[:duration]
@@ -52,7 +52,7 @@ class CreateWatchVideoService < ApplicationService
           watch_course_video.save! unless watch_course_video.persisted?
         else
           # 非课堂视频
-          video = Video.find_by(params[:video_id])
+          video = Video.find(params[:video_id])
           watch_video_history = build_video_log(current_time, video.id)
           watch_video_history.save!
         end