fix 非课堂视频记录时长

app/services/create_watch_video_service.rb

@@ -28,19 +28,20 @@ class CreateWatchVideoService < ApplicationService
 
           watch_course_video = watch_video_history.watch_course_video
 
+          if watch_course_video.present?
             watch_course_video.total_duration = watch_course_video.watch_video_histories.sum(:total_duration)
             watch_course_video.end_at = current_time
             watch_course_video.save!
-
-          if watch_course_video.present? && !watch_course_video.is_finished && watch_course_video.watch_duration < params[:watch_duration].to_f
+            if !watch_course_video.is_finished && watch_course_video.watch_duration < params[:watch_duration].to_f
               # 更新课程视频的时长及是否看完状态
               watch_course_video.watch_duration = params[:watch_duration]
               if params[:ed].present?
-              watch_course_video.is_finished = watch_course_video.watch_video_histories.sum(:total_duration) >= watch_course_video.duration
+                watch_course_video.is_finished = watch_course_video.total_duration >= watch_course_video.duration
               end
               watch_course_video.save!
             end
           end
+        end
       else
         # 开始播放时记录一次
         if params[:course_id].present?